[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.1"]
[White "Cruz Gomez, Miguel Angel"]
[Black "Cori, Jorge"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2028"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,76,52,43,18,25,32,62,50,49,53,58,12,7,11,29,25,20,10,4,4,14,0,15,0,1,0,0,0,22,3,34,0,0,0,0,0,0,0,0,0,0,-22,-19,-52,-39,-40,-32,-257,-252,-323,-311,-320,-325,-313,-289,-351,-343,-362,-346,-374,-376,-570,-559]} 1. d4 {[%emt 0:10:02] Alvarez,Roberto Gabriel} Nf6 {[%emt 0:00:21]} 2. Bf4 {[%emt 0:00:15]} g6 {[%emt 0:00:32]} 3. Nc3 {[%emt 0:00:21]} Bg7 {[%emt 0:08:53]} 4. e4 {[%emt 0:01:22]} d6 {[%emt 0:00:06]} 5. Qd2 {[%emt 0:00:38]} O-O {[%emt 0:00:25]} 6. O-O-O {[%emt 0:00:49]} Nc6 {[%emt 0:00:44]} 7. Bh6 {[%emt 0:01:47]} e5 {[%emt 0:02:20]} 8. Bxg7 {[%emt 0:00:52]} Kxg7 {[%emt 0:00:05]} 9. Nge2 {[%emt 0:03:24] B07: Pirc Defence: Miscellaneous Systems.} Ng4 {[%emt 0:02:19]} 10. Qe1 {[%emt 0:00:52] [#]} exd4 $146 {[%emt 0:10:14]} ({Predecessor:} 10... Qf6 11. dxe5 Qxf2 12. exd6 Qxe1 13. Rxe1 cxd6 14. h3 Nf6 15. g4 Be6 16. Nf4 h6 {1-0 (51) Ederer,K (2196)-Keevil,P (2154) LSS email 2011 Telechess CBM 157 [Alvarez,Roberto Gabriel]}) 11. Nxd4 {[%emt 0:00:08] White is slightly better.} Nxd4 {[%emt 0:00:13]} 12. Rxd4 {[%emt 0:00:03]} Qg5+ {[%emt 0:08:02]} 13. Qd2 {[%emt 0:03:48]} (13. Kb1 $14) 13... Qxd2+ $11 {[%emt 0:00:25]} 14. Rxd2 {[%emt 0:00:02]} Be6 {[%emt 0:00:13]} 15. f3 {[%emt 0:02:55]} Nf6 {[%emt 0:00:17]} 16. g3 {[%emt 0:02:38]} a6 {[%emt 0:00:23]} 17. Bg2 {[%emt 0:01:07][%cal Bf1g2,Bg2f3,Bf3g4][%mdl 32]} b5 {[%emt 0:00:16]} 18. f4 {[%emt 0:01:12] [#] Hoping for e5.} Rae8 {[%emt 0:02:10]} 19. a3 {[%emt 0:06:10]} h5 {[%emt 0:04:21]} 20. h3 {[%emt 0:07:53]} Nd7 {[%emt 0:06:08][%cal Bf6d7,Bd7c5,Bc5e6,Be6g5][%mdl 32]} 21. Bf3 {[%emt 0:01:42]} f6 {[%emt 0:01:44]} 22. Rg2 {[%emt 0:10:34]} Bf7 {[%emt 0:03:25]} 23. g4 {[%emt 0:03:32]} hxg4 {[%emt 0:00:07]} 24. Bxg4 {[%emt 0:00:10]} Nc5 {[%emt 0:00:11]} 25. Bf3 {[%emt 0:00:30]} Rh8 {[%emt 0:00:25]} 26. h4 {[%emt 0:01:08]} Rh6 {[%emt 0:04:16]} 27. h5 {[%emt 0:03:37]} Ne6 {[%emt 0:10:30]} 28. Ne2 {[%emt 0:02:41]} Kf8 {[%emt 0:00:35]} 29. f5 {[%emt 0:02:20]} gxf5 {[%emt 0:01:00]} ({Much weaker is} 29... Ng5 30. fxg6 Bxg6 31. Rxg5 fxg5 32. hxg6 Rxh1+ 33. Bxh1 $11) 30. exf5 {[%emt 0:02:28]} Ng5 {[%emt 0:00:08]} 31. Bg4 {[%emt 0:00:06] Now White is beyond hope.} ({Better is} 31. Bb7 $15) 31... Bd5 $19 {[%emt 0:00:11]} 32. Rgg1 {[%emt 0:00:38]} Bxh1 {[%emt 0:00:11]} 33. Rxh1 {[%emt 0:00:02]} Re4 {[%emt 0:00:11] Prevents Nf4.} 34. Rg1 {[%emt 0:00:16]} Rh7 {[%emt 0:01:50]} 35. Kd2 {[%emt 0:00:15]} Rhe7 {[%emt 0:00:10]} 36. Nc3 {[%emt 0:02:05]} Rd4+ {[%emt 0:01:15]} 37. Kc1 {[%emt 0:00:02]} c5 {[%emt 0:01:35]} 38. Ne2 {[%emt 0:00:24] [#]} (38. b3 $142) 38... Rxg4 $1 {[%emt 0:00:07][%mdl 512] Weighted Error Value: White=0.41/Black=0.04 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.2"]
[White "Mareco, Sandro"]
[Black "Silva Hernandez, Jose Luis"]
[Result "1-0"]
[ECO "E95"]
[WhiteElo "2643"]
[BlackElo "2006"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,49,59,62,56,147,145,137,135,208,235,247,226,275,259,376,392,374,382,390,369,377,376,354,380,1118,1053,1005,959]} 1. Nf3 {[%emt 0:00:17]} d6 {[%emt 0:00:47]} 2. d4 {[%emt 0:00:04]} g6 {[%emt 0:00:43]} 3. e4 {[%emt 0:00:06]} Bg7 {[%emt 0:00:09]} 4. c4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:16]} 5. Nc3 {[%emt 0:00:04]} O-O {[%emt 0:00:13]} 6. Be2 {[%emt 0:00:03]} Na6 {[%emt 0:00:14]} 7. O-O {[%emt 0:00:12]} e5 {[%emt 0:00:13]} 8. Re1 {[%emt 0:00:07]} exd4 {[%emt 0:04:50]} 9. Nxd4 {[%emt 0:00:04]} Re8 {[%emt 0:00:07]} 10. Bf1 {[%emt 0:00:49]} Nc5 {[%emt 0:02:49]} 11. f3 {[%emt 0:00:12]} c6 {[%emt 0:09:14]} 12. Be3 {[%emt 0:00:17]} a5 {[%emt 0:05:31]} 13. b3 {[%emt 0:01:03] Prevents a4. E95: King's Indian: Classical: 7...Nbd7 8 Re1.} d5 {[%emt 0:04:41]} (13... h5 $14) 14. cxd5 $16 {[%emt 0:05:31]} cxd5 {[%emt 0:00:36] [#]} 15. Ndb5 $146 {[%emt 0:00:07][%csl LRc5,LRd5] White is clearly better.} ({Predecessor:} 15. exd5 Nxd5 16. Nxd5 Qxd5 17. Nb5 Qc6 18. Rc1 b6 19. Qd6 Qxd6 20. Nxd6 Rxe3 21. Rxe3 {0-1 (54) Kramer,H-Christoffel,M Zaandam/Wormerveer 1946}) 15... b6 {[%emt 0:00:53]} (15... Na6 $16 {was necessary.}) 16. exd5 $18 {[%emt 0:00:25][%cal Be4d5,Bd5d6][%mdl 32]} Bb7 {[%emt 0:19:32][%cal Rf6d5]} 17. d6 {[%emt 0:00:34]} Ne6 {[%emt 0:01:09]} 18. Rc1 {[%emt 0:01:03]} Nd7 {[%emt 0:01:10]} (18... Rc8 $142 19. Bc4 Rc6) 19. Nc7 {[%emt 0:07:00]} Nxc7 {[%emt 0:12:33]} 20. dxc7 {[%emt 0:00:03]} Qxc7 {[%emt 0:01:37]} 21. Nb5 {[%emt 0:00:16][%cal Bc3b5,Bb5d6,Bd6e8][%mdl 32]} Qd8 {[%emt 0:00:40][%cal Od7c5]} 22. Nd6 {[%emt 0:00:32][%csl LRb7,LRe8]} Rxe3 {[%emt 0:00:48]} 23. Rxe3 {[%emt 0:00:17] [#] Threatens to win with Re8+.} Bh6 $2 {[%emt 0:01:05]} (23... Qg5) 24. Re8+ {[%emt 0:00:24]} Qxe8 {[%emt 0:00:14]} 25. Nxe8 {[%emt 1:23:26] Black got outplayed after the opening.  Weighted Error Value: White=0.01 (flawless) /Black=0.43} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.3"]
[White "Ramirez Esqueda, Edson Oswaldo"]
[Black "Hernandez Guerrero, Gilberto"]
[Result "0-1"]
[ECO "B57"]
[WhiteElo "1931"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,92,18,20,0,0,0,14,-24,0,-6,0,-5,0,-104,-104,-85,-107,-181,-185,-217,-195,-177,-185,-224,-236,-227,-243,-239,-227,-379,-356,-372,-370,-378,-371,-283,-305,-1275,-846,-845,-830,-941,-550,-985,-549,-518,-405,-564,-557,-560,-556,-566,-553,-543,-542,-567,-558,-533,-527,-631,-609,-739,-654,-818,-804,-818,-808,-890,-852,-29982,-29983,-29976,-1283,-29973,-2229]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:07:03]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:16]} 3. d4 {[%emt 0:00:11]} cxd4 {[%emt 0:00:38]} 4. Nxd4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:07]} d6 {[%emt 0:00:07]} 6. Bc4 {[%emt 0:00:40]} Qb6 {[%emt 0:01:19]} 7. Nb3 {[%emt 0:04:31]} e6 {[%emt 0:00:11]} 8. O-O {[%emt 0:00:59]} Be7 {[%emt 0:00:37]} 9. Be3 {[%emt 0:02:06]} Qc7 {[%emt 0:00:17]} 10. f4 {[%emt 0:02:26]} O-O {[%emt 0:02:42][%cal Od6d5]} 11. Nb5 {[%emt 0:03:23] B57: Classical Sicilian: Sozin with 6...Qb6.} Qb8 {[%emt 0:00:25]} 12. Qf3 {[%emt 0:00:14] [#]} a6 $146 {[%emt 0:05:29][%cal Ba7a6,Ba6a5,Ba5a4][%mdl 32]} ({Predecessor:} 12... Nb4 13. Bd3 Bd7 14. N5d4 g6 15. Bd2 Nxd3 16. cxd3 Qd8 17. Ba5 b6 18. Bc3 a5 {0-1 (58) Van Riemsdijk,H (2335)-Ivanov,A (2420) Philadelphia 1988}) 13. N5d4 {[%emt 0:00:41] The position is equal.} Bd7 {[%emt 0:05:58]} (13... Nxd4 {seems wilder.} 14. Nxd4 e5 15. Nf5 Bxf5 16. exf5 e4) 14. Bd3 {[%emt 0:05:22]} a5 {[%emt 0:02:15]} 15. g4 {[%emt 0:03:14]} a4 {[%emt 0:00:24]} 16. Nd2 {[%emt 0:01:02]} (16. Nxc6 $1 $11 bxc6 17. Nd2) 16... Nxd4 $17 {[%emt 0:00:39]} 17. Bxd4 {[%emt 0:00:07]} e5 {[%emt 0:00:13]} 18. fxe5 {[%emt 0:02:49]} (18. g5 $17 exd4 19. gxf6 Bxf6 20. a3) 18... dxe5 $19 {[%emt 0:00:22]} 19. Bc3 {[%emt 0:01:33]} Nxg4 {[%emt 0:01:11] Strongly threatening ...b5.} ({Stronger than} 19... Bxg4 20. Qg3 $15) 20. h3 {[%emt 0:04:35] [#]} b5 $1 {[%emt 0:01:13][%cal Oa8a6]} 21. a3 {[%emt 0:02:29]} (21. hxg4 b4) 21... Qb6+ {[%emt 0:09:07]} 22. Kh1 {[%emt 0:06:00]} Qh6 {[%emt 0:00:32]} 23. Rg1 {[%emt 0:01:41]} Bg5 {[%emt 0:00:42]} 24. Rg2 {[%emt 0:04:20]} (24. Rxg4 Bxg4 25. Qxg4 Bxd2 26. Bxe5) 24... Ra6 {[%emt 0:02:17][%cal Ba8a6,Ba6g6,Bg6e6][%mdl 32] [#] Threatens to win with ...Rf6.} ({Worse is} 24... Ne3 25. Rxg5 Qxg5 26. Rg1 $11) 25. Rxg4 {[%emt 0:21:32]} Bxg4 {[%emt 0:04:20]} 26. Qxg4 {[%emt 0:00:08] And now Nf3 would win.} Bxd2 {[%emt 0:00:09]} 27. Bxe5 {[%emt 0:00:08]} Rg6 {[%emt 0:00:47]} 28. Qd7 {[%emt 0:01:17]} (28. Qf3) 28... Re6 {[%emt 0:00:56]} 29. Bh2 {[%emt 0:03:38]} Qxh3 {[%emt 0:01:16] ( -> ...Qf3+)} 30. Rf1 {[%emt 0:02:02] Prevents Qf3+.} Qh4 {[%emt 0:05:59] Hoping for ...Rh6.} 31. Qxb5 {[%emt 0:04:00]} Rxe4 {[%emt 0:00:56]} 32. Qf5 {[%emt 0:03:22]} Re1 {[%emt 0:00:17]} 33. Kg2 {[%emt 0:02:23]} Rxf1 {[%emt 0:00:20]} 34. Bxf1 {[%emt 0:00:15]} g6 {[%emt 0:00:23]} 35. Qe5 {[%emt 0:00:59]} Bh6 {[%emt 0:01:09]} 36. Bg3 {[%emt 0:01:26]} Qg4 {[%emt 0:01:45]} 37. Be2 {[%emt 0:00:41]} Qc8 {[%emt 0:01:38]} 38. Bd3 {[%emt 0:00:49]} Bg7 {[%emt 0:01:30]} 39. Qb5 {[%emt 0:00:16]} Qg4 {[%emt 0:02:48]} 40. Kh2 {[%emt 0:03:04]} h5 {[%emt 0:01:00]} 41. Be2 {[%emt 0:01:37]} Qd4 {[%emt 0:01:14] ...h4 is the strong threat.} 42. c3 {[%emt 0:00:31]} Qd2 {[%emt 0:01:01] aiming for ...Rd8.} 43. Kh3 {[%emt 0:00:22]} Rd8 {[%emt 0:01:07]} 44. Bc4 {[%emt 0:01:44]} Qd1 {[%emt 0:00:35]} 45. Be2 {[%emt 0:03:49]} Qh1+ {[%emt 0:00:25]} 46. Bh2 {[%emt 0:00:09]} Bf8 {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.75/Black=0.55} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.4"]
[White "Cordova, Emilio"]
[Black "Guerrero Cataldo, Juan Andres"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2534"]
[BlackElo "1976"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,69,11,10,0,0,0,0,0,33,21,40,29,31,34,39,25,19,32,20,24,33,6,41,41,35,29,59,59,59,59,56,45,66,62,123,131,131,131,127,131,127,119,145,145,179,189,188,174,170,147,254,254,360,371,356,332,323,203]} 1. Nf3 {[%emt 0:03:39]} Nf6 {[%emt 0:00:24]} 2. e3 {[%emt 0:00:30]} g6 {[%emt 0:00:20]} 3. b4 {[%emt 0:00:27]} Bg7 {[%emt 0:00:18]} 4. Bb2 {[%emt 0:00:07]} d6 {[%emt 0:00:28]} 5. c4 {[%emt 0:00:47]} O-O {[%emt 0:00:55]} 6. d4 {[%emt 0:00:53]} a5 {[%emt 0:04:21] 6...c5 is a critical line.} 7. b5 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:33][%cal Oe7e5,Bb8d7,Bd7e5,Be5g4][%mdl 32]} 8. Nc3 {[%emt 0:04:49] A15: English Opening: 1...Nf6.} e5 {[%emt 0:03:19]} 9. Be2 {[%emt 0:00:32]} exd4 {[%emt 0:05:00]} 10. Nxd4 {[%emt 0:01:36] The position is equal.} Ne5 {[%emt 0:01:02]} 11. O-O {[%emt 0:00:19] [#]} Bg4 $146 {[%emt 0:09:11][%cal Oe5c4]} ({Predecessor:} 11... Be6 12. Nxe6 fxe6 13. Qc2 Qe7 14. Na4 Ned7 15. e4 Ne8 16. Bxg7 Nxg7 17. Rad1 b6 {0-1 (33) Egartner,W (2145)-Fellhauer,C Germany 1998}) 12. Bxg4 {[%emt 1:22:21]} Nexg4 {[%emt 1:10:39]} 13. Rc1 {[%emt 0:00:00]} Ne5 {[%emt 0:00:00]} 14. Qe2 {[%emt 0:00:00]} Ned7 {[%emt 0:00:00]} 15. Rfd1 {[%emt 0:01:30]} Qe7 16. Ba3 {[%emt 0:00:00]} Nc5 {[%emt 0:00:00]} 17. Qf3 {[%emt 0:00:00]} Rfe8 {[%emt 0:00:00]} 18. Bxc5 {[%emt 0:00:00]} dxc5 {[%emt 0:00:00]} 19. Nde2 {[%emt 0:00:00][%cal Bd4e2,Be2f4,Bf4d5][%mdl 32]} b6 {[%emt 0:00:00]} 20. Nf4 {[%emt 0:00:00]} Rac8 {[%emt 0:00:00]} 21. h3 {[%emt 0:00:00]} Qe5 {[%emt 0:00:00]} 22. Rd3 {[%emt 0:00:00]} g5 {[%emt 0:00:00]} 23. Nfd5 {[%emt 0:00:00] &Bianco is more active.} Ne4 {[%emt 0:00:00]} (23... h6 $14) 24. Nxe4 {[%emt 0:04:30]} Qxe4 {[%emt 0:00:00]} 25. Qxe4 {[%emt 0:00:00]} Rxe4 {[%emt 0:00:00]} 26. g4 {[%emt 0:00:00]} Re6 {[%emt 0:00:00]} 27. Kg2 {[%emt 0:00:00]} Be5 {[%emt 0:00:00]} 28. h4 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 29. Rh1 {[%emt 0:00:00]} Kg7 {[%emt 0:08:30]} 30. hxg5 {[%emt 0:00:00]} hxg5 {[%emt 0:00:30]} 31. Rh5 {[%emt 0:03:30]} f6 {[%emt 0:00:00]} (31... Bf6 $16 {was worth a try.} 32. Rd1 Rd8) 32. Rd1 $18 {[%emt 0:00:00] Hoping for Rdh1.} Rh8 {[%emt 0:01:00] [#]} (32... Rg8 {was necessary.} 33. Kf3 Kg6) 33. Nf4 $1 {[%mdl 512]} Rd6 34. Rxd6 Bxd6 35. Ne6+ {Weighted Error Value: White=0.02 (flawless) /Black=0.21 (precise)} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.5"]
[White "Flores Irurso, Paul Josue"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1912"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,108,33,41,25,-14,26,-14,38,60,47,-25,-16,-14,-29,-24,-17,-37,0,0,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,-5,0,0,0,0,0,0,10,-43,-29,-45,-35,-29,-25,-22,-12,-12,0,0,0,0,0,-152,-149,-142,-25,-36,-6,-32,-28,-37,0,0,-22,0,-58,-12845,-12845,-12845,-12846,-12846,-12847,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27997,-27997,-27998,-27998]} 1. e4 {[%emt 1:31:00]} c5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:54]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:00]} Qb6 {[%emt 0:01:35]} 5. Nc3 {[%emt 0:00:00]} Bc5 {[%emt 0:00:15]} 6. Na4 {[%emt 0:00:00]} Qa5+ {[%emt 0:00:13]} 7. c3 {[%emt 0:00:00]} Bxd4 {[%emt 0:01:59]} 8. Qxd4 {[%emt 0:00:00]} Nf6 {[%emt 0:07:35] B40: Sicilian: 2...e6, Unusual lines.} 9. Be2 {[%emt 0:00:00] [#]} b6 $146 {[%emt 0:07:44]} (9... Nc6 $5 {[%cal Rc6d4]} 10. Qc4 d6 $11) ({Predecessor:} 9... Nc6 10. Qc4 d5 11. exd5 exd5 12. Qb5 Qxb5 13. Bxb5 O-O 14. O-O a6 15. Bd3 h6 {0-1 (42) Meng,Y (1548)-Wittmann,R (1971) Playchess.com INT 2020}) 10. O-O {[%emt 0:00:00]} Ba6 {[%emt 0:17:31]} ({Better is} 10... Nc6 $11 11. Qc4 Bb7) 11. Bxa6 $14 {[%emt 0:00:00]} Qxa6 {[%emt 0:01:29]} 12. f3 {[%emt 0:00:00]} (12. Re1 $14) 12... Nc6 $11 {[%emt 0:00:24]} 13. Qd1 {[%emt 0:00:00]} d5 $36 {[%emt 0:02:21][%mdl 2048] Black is pushing.} 14. Bg5 {[%emt 0:00:00]} O-O-O {[%emt 0:01:56]} 15. Qc2 {[%emt 0:00:00]} Kb7 {[%emt 0:07:51]} 16. b3 {[%emt 0:00:00]} Qb5 {[%emt 0:10:38]} 17. Bxf6 {[%emt 0:00:00]} gxf6 {[%emt 0:00:23]} 18. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:41]} 19. Rad1 {[%emt 0:00:00] Inhibits Qd2.} Qe5 {[%emt 0:04:23]} 20. Nb2 {[%emt 0:00:00]} f5 {[%emt 0:03:50]} 21. Nc4 {[%emt 0:00:00]} Qc5+ {[%emt 0:00:15]} 22. Qf2 {[%emt 0:00:00]} Qxf2+ {[%emt 0:01:22]} 23. Kxf2 {[%emt 0:00:00]} Kc7 {[%emt 0:00:01] Against Nd6} 24. Rxd8 {[%emt 0:01:04]} Rxd8 {[%emt 0:00:08][%mdl 4096] Endgame KRN-KRN} 25. Ke2 {[%emt 0:00:03]} b5 {[%emt 0:00:28]} 26. Ne3 {[%emt 0:02:22]} h5 {[%emt 0:02:11]} 27. Rd1 {[%emt 0:01:29]} Rg8 {[%emt 0:01:28]} 28. g3 {[%emt 0:00:36]} a5 {[%emt 0:01:10]} 29. Ng2 {[%emt 0:02:17]} b4 {[%emt 0:00:37]} 30. c4 {[%emt 0:00:38]} (30. cxb4 $11 Nxb4 31. Rd2) 30... a4 {[%emt 0:00:38]} 31. Nf4 {[%emt 0:00:19]} axb3 {[%emt 0:00:27]} 32. axb3 {[%emt 0:00:10]} Ra8 {[%emt 0:00:04]} 33. Nxh5 {[%emt 0:00:45]} Ra2+ {[%emt 0:00:05]} 34. Rd2 $1 {[%emt 0:00:34]} Nd4+ {[%emt 0:00:11]} 35. Kd3 {[%emt 0:00:38]} Rxd2+ {[%emt 0:00:16]} 36. Kxd2 {[%emt 0:00:05]} Nxf3+ {[%emt 0:07:24] KN-KN} 37. Ke3 $2 {[%emt 0:00:06]} (37. Kd3 $11) 37... Nxh2 $17 {[%emt 0:00:47]} 38. Kd4 {[%emt 0:01:09] [#]} Kc6 {[%emt 0:00:31]} (38... Kb6 $1 $17 {Hoping for ...Ng4.} 39. Nf4 Nf3+ 40. Ke3 Ne5) 39. Nf4 $11 {[%emt 0:00:23]} Nf1 {[%emt 0:06:48]} 40. Nd3 {[%emt 0:00:51]} Nxg3 {[%emt 0:00:35] Strongly threatening ...Ne4.} 41. Nxb4+ {[%emt 0:00:27]} Kd7 {[%emt 0:00:21] ...f4 is the strong threat.} 42. Nd3 {[%emt 0:00:33]} f6 {[%emt 0:00:15][%cal Of5f4] [#] Threatens to win with ...f4!} 43. b4 {[%emt 0:02:59]} f4 {[%emt 0:01:54] White must now prevent ...e5+.} 44. Nxf4 $2 {[%emt 0:02:00][%mdl 8192] This costs White the game.} (44. b5 $15) 44... e5+ $19 {[%emt 0:00:46]} 45. Ke3 {[%emt 0:00:05]} Nf5+ {[%emt 0:02:34]} 46. Kf3 {[%emt 0:00:54]} exf4 {[%emt 0:01:09]} 47. Kxf4 {[%emt 0:00:02] KN-KPP} Nd6 {[%emt 0:01:45] Black mates.} 48. c5 {[%emt 0:01:05]} Nb5 {[%emt 0:00:07]} 49. Kf5 {[%emt 0:00:03]} Ke7 {[%emt 0:00:10]} 50. Ke4 {[%emt 0:00:56]} Ke6 {[%emt 0:00:07]} 51. Kd3 {[%emt 0:00:45]} Kd5 {[%emt 0:00:33]} 52. Ke3 {[%emt 0:00:04]} f5 {[%emt 0:00:57]} 53. c6 {[%emt 0:01:42]} Kxc6 {[%emt 0:01:23]} 54. Kf4 {[%emt 0:00:08]} Nd6 {[%emt 0:00:04] Weighted Error Value: White=0.37/Black=0.14 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.6"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Sierra Arballo, Jesus"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2536"]
[BlackElo "1916"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,77,20,25,15,60,42,66,52,69,53,51,52,62,51,59,49,46,19,21,12,18,18,29,19,56,9,43,43,44,13,20,20,20,20,20,20,20,16,17,9,20,16,0,0,116,64,62,45,135,87,87,60,733,728,805,775,1989,1811,1637,1429]} 1. e4 {[%emt 0:10:28]} e5 {[%emt 0:00:30]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:08]} 3. Bb5 {[%emt 0:00:09][%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 {[%emt 0:00:17]} 4. Ba4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:06]} 5. O-O {[%emt 0:01:14]} Be7 {[%emt 0:00:26]} 6. d3 {[%emt 0:01:03]} b5 {[%emt 0:01:09]} 7. Bb3 {[%emt 0:00:02]} d6 {[%emt 0:07:10]} 8. a4 {[%emt 0:03:48]} Rb8 {[%emt 0:05:45]} 9. axb5 {[%emt 0:03:10]} axb5 {[%emt 0:00:16]} 10. Nc3 {[%emt 0:01:17]} O-O {[%emt 0:13:25] 10...Bg4 is more advanced technology.} 11. Nd5 {[%emt 0:01:22] C84: Closed Ruy Lopez: Unusual White 6th moves.} Bg4 {[%emt 0:04:17]} 12. c3 {[%emt 0:00:47]} Qd7 {[%emt 0:11:51]} 13. h3 {[%emt 0:01:24] White is slightly better.} Bh5 {[%emt 0:05:46] [#]} 14. g4 $146 {[%emt 0:08:49] &Bianco is more active.} ({Predecessor:} 14. Ra6 Bd8 15. Be3 Kh8 16. Re1 Qe8 17. Kh2 Nxd5 18. Bxd5 Ne7 19. Ba7 Nxd5 20. Bxb8 {1-0 (46) Libiszewski,F (2505)-Bujisho,B (2391) Pau 2012}) 14... Bg6 {[%emt 0:07:25]} 15. Nh4 {[%emt 0:21:24]} Nxd5 {[%emt 0:11:31]} 16. Nxg6 {[%emt 0:00:08]} fxg6 {[%emt 0:00:12]} 17. Bxd5+ {[%emt 0:02:10]} (17. Kg2 {is more complex.} Kh8 18. Bxd5 g5 19. Be3) 17... Kh8 {[%emt 0:01:03]} 18. f4 {[%emt 0:00:30]} exf4 {[%emt 0:04:41]} 19. Bxf4 {[%emt 0:00:49]} Bh4 {[%emt 0:05:40] Against Bg3} 20. Be3 {[%emt 0:07:00]} Ne5 {[%emt 0:11:28]} 21. Qe2 {[%emt 0:02:27]} g5 {[%emt 0:00:35]} 22. Rxf8+ {[%emt 0:07:01]} Rxf8 {[%emt 0:00:08]} 23. Rf1 {[%emt 0:00:18][%cal Rf1f8]} Rf6 {[%emt 0:04:39]} 24. Rxf6 $40 {[%emt 0:13:36][%mdl 128] White has some attack.} gxf6 {[%emt 0:00:04]} 25. Qf1 {[%emt 0:01:23]} Kg7 {[%emt 0:01:12]} 26. d4 {[%emt 0:01:36]} Ng6 {[%emt 0:02:19]} 27. Qf5 {[%emt 0:02:19]} Qxf5 {[%emt 0:00:26]} 28. exf5 $11 {[%emt 0:00:42][%mdl 4096] Endgame KBB-KBN} Nf4 {[%emt 0:00:52]} 29. Bc6 {[%emt 0:00:44]} Nxh3+ {[%emt 0:00:32]} 30. Kg2 {[%emt 0:02:28]} Nf4+ {[%emt 0:00:11]} 31. Kf3 {[%emt 0:00:14]} Nh3 {[%emt 0:00:59]} (31... b4 $11 {keeps the balance.}) 32. Bxb5 {[%emt 0:00:19]} ({White should try} 32. Bd2 $1 $16) 32... Be1 $1 $14 {[%emt 0:00:33]} 33. c4 {[%emt 0:02:12]} Bh4 {[%emt 0:00:44]} (33... Nf4 $14) 34. c5 {[%emt 0:00:45]} ({Better is} 34. Bd2 $1) 34... Be1 $16 {[%emt 0:00:28]} 35. d5 {[%emt 0:05:10] c6 is the strong threat.} Bb4 $2 {[%emt 0:00:15][%mdl 8192] [#] Black cannot hold the game after this.} (35... Kf8 $14) 36. c6 $1 $18 {[%emt 0:00:15][%cal Oe3b6] White is clearly winning.} Nf4 {[%emt 0:00:16]} 37. Bc4 {[%emt 0:00:09][%cal Oe3b6] aiming for Bb6!} Ba5 {[%emt 0:01:02] Against Bb6} 38. b4 {[%emt 0:00:19]} Bxb4 {[%emt 0:00:12] [#]} 39. Bb6 $1 {[%emt 0:02:15][%mdl 512] Weighted Error Value: White=0.13 (very precise) /Black=0.24 (precise)} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.7"]
[White "Flores Teillery, Alejandro Francisco "]
[Black "Salinas Herrera, Pablo"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1879"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,72,1,13,4,-1,1,0,5,14,6,0,0,0,0,0,0,0,-44,-44,-51,-30,-41,-39,-60,-53,-393,-406,-360,-19,-114,-108,-112,-114,-105,-105,-108,-113,-115,-116,-112,-117,-129,-131,-141,-132,-129,-129,-243,-248,-624,-613,-768,-761,-1551,-1491]} 1. d4 {[%emt 0:00:08]} d5 {[%emt 0:02:02]} 2. c4 {[%emt 0:01:05]} e6 {[%emt 0:00:10]} 3. Nf3 {[%emt 0:01:08]} Nf6 {[%emt 0:00:10]} 4. Nc3 {[%emt 0:00:33]} c6 {[%emt 0:00:06]} 5. e3 {[%emt 0:01:05]} Nbd7 {[%emt 0:00:05]} 6. Bd3 {[%emt 0:00:49]} Bd6 {[%emt 0:00:58]} 7. Qc2 {[%emt 0:05:59]} O-O {[%emt 0:00:12]} 8. O-O {[%emt 0:00:18]} dxc4 {[%emt 0:00:06]} 9. Bxc4 {[%emt 0:00:10]} a6 {[%emt 0:00:04]} 10. e4 {[%emt 0:01:33]} e5 $1 {[%emt 0:00:19]} 11. Rd1 {[%emt 0:04:30] D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} exd4 {[%emt 0:02:14]} 12. Nxd4 {[%emt 0:00:36]} Qc7 $1 {[%emt 0:00:57]} 13. h3 {[%emt 0:01:48] The position is equal.} b5 {[%emt 0:02:38] is the legacy move (13...Re8).} 14. Bf1 {[%emt 0:05:03]} Re8 {[%emt 0:00:39] [#]} 15. Nf5 $146 {[%emt 0:05:21]} ({Predecessor:} 15. g3 g6 16. a3 Rb8 17. Bg2 c5 18. Nc6 Qxc6 19. e5 Qc7 20. exd6 {½-½ (44) Vekelis,G (2353)-Martello,J (2343) ICCF email 2018}) 15... Be5 {[%emt 0:01:03]} 16. Be3 {[%emt 0:04:51]} b4 {[%emt 0:09:58]} 17. Na4 {[%emt 0:00:23] Black must now prevent g3.} Nxe4 {[%emt 0:00:13][%cal Oc6c5]} 18. Rac1 {[%emt 0:02:57]} ({Don't blunder} 18. Nh6+ $2 gxh6 19. Bd3 Ndf6 $1 $19) (18. Bd3 $5 {[%cal Rd3e4]} Nef6 19. Rac1 $11) 18... Ndf6 $36 {[%emt 0:00:13][%mdl 2048] Black fights for an advantage.} 19. Nd4 {[%emt 0:00:21]} Bh2+ {[%emt 0:01:42]} 20. Kh1 {[%emt 0:00:08]} Bf4 {[%emt 0:00:15]} 21. Bxf4 {[%emt 0:13:47]} ({Don't go for} 21. Qxc6 $2 Qxc6 22. Nxc6 Bxe3 23. fxe3 Nf2+ 24. Kg1 Nxd1 $19) 21... Qxf4 {[%emt 0:00:12]} 22. f3 $2 {[%emt 0:00:14][%mdl 8192]} (22. Kg1 $15) 22... Ng3+ $19 {[%emt 0:05:11]} 23. Kg1 {[%emt 0:00:02]} Be6 $2 {[%emt 0:14:42]} (23... Nxf1 $19 24. Kxf1 Nd5) 24. Nb6 {[%emt 0:06:06]} (24. Nxe6 $11 {keeps the balance.} Rxe6 25. Nc5) 24... Rab8 $17 {[%emt 0:00:10]} 25. Nxe6 {[%emt 0:02:50]} Rxe6 {[%emt 0:00:09] Dancing on a razor blade.} 26. Nd7 {[%emt 0:01:11]} Nxd7 {[%emt 0:06:38]} 27. Rxd7 {[%emt 0:00:06]} Qe3+ {[%emt 0:00:43]} 28. Kh2 {[%emt 0:00:10]} Qe5 {[%emt 0:02:20] &Nero is more active.} 29. Kg1 {[%emt 0:00:41]} Nxf1 {[%emt 0:02:09]} 30. Kxf1 {[%emt 0:01:10]} Rbe8 {[%emt 0:04:49]} 31. Rcd1 {[%emt 0:01:31]} g6 {[%emt 0:03:55] Strongly threatening ...Qg3.} 32. Qd2 {[%emt 0:03:44]} a5 {[%emt 0:41:28]} 33. Rd4 {[%emt 0:04:46] [#]} (33. b3 $17 {was worth a try.}) 33... Kg7 $1 $19 {[%emt 0:00:00] And now ...Qh2 would win.} 34. Qc2 $2 {[%emt 0:03:40]} (34. Re4 Qb5+ 35. Qe2) 34... Qh2 {[%emt 0:00:00] Black is clearly winning.} 35. R4d2 {[%emt 0:01:17]} h5 {[%emt 0:00:00][%cal Oe6e1] ( -> ...Re1+!)} 36. Qc5 {[%emt 0:00:50] [#]} Re1+ $1 {[%emt 0:00:00][%mdl 512] Weighted Error Value: White=0.69/Black=0.13 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.8"]
[White "Quesada Perez, Luis Ernesto"]
[Black "Robles Sanchez, Fausto"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2517"]
[BlackElo "1878"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,81,56,37,56,45,52,38,75,75,92,74,105,100,137,118,171,164,169,167,191,172,211,175,215,228,387,367,356,298,427,414,436,413,410,343,350,350,350,363,453,422,418,409,500,521,602,605,611,431,429,436,590,560,582,527,925,925,897,845,1425,1445,1443,1429,1433,1430,1413,1412,1284,1266,29989,29990,29991,29992]} 1. d4 {[%emt 0:00:11]} Nf6 {[%emt 0:03:52]} 2. c4 {[%emt 0:00:12]} g6 {[%emt 0:00:12]} 3. Nc3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:05]} 4. e4 {[%emt 0:00:06]} d6 {[%emt 0:00:04]} 5. Nf3 {[%emt 0:01:46]} c6 {[%emt 0:01:17]} 6. h3 {[%emt 0:01:11]} a6 {[%emt 0:01:34] E90: King's Indian: Classical: Early deviations and 6 h3.} 7. Bg5 {[%emt 0:03:14]} b5 {[%emt 0:04:49]} 8. a3 {[%emt 0:00:12] [#]} Nfd7 $146 {[%emt 0:02:34] White is slightly better.} ({Predecessor:} 8... O-O 9. Be2 h6 10. Bh4 Nh5 11. O-O g5 12. Bg3 Nxg3 13. fxg3 Qb6 14. Qd2 g4 15. hxg4 Bxg4 {½-½ (65) Slavin,A (2397)-Ghasi,A (2434) England 2013}) 9. Qd2 {[%emt 0:06:08] &Bianco is more active.} h6 {[%emt 0:03:21]} 10. Be3 {[%emt 0:00:06]} Bb7 {[%emt 0:01:04]} 11. Rb1 {[%emt 0:04:09]} Qc7 {[%emt 0:04:38]} 12. Be2 {[%emt 0:02:17]} Nb6 {[%emt 0:06:33]} (12... bxc4 $16 13. Bxc4 Nb6) 13. b3 $18 {[%emt 0:00:18]} (13. cxb5 $6 axb5 14. d5 Nc4 $11) 13... N8d7 {[%emt 0:01:02]} 14. O-O {[%emt 0:00:13]} Rd8 {[%emt 0:02:15]} 15. Rfc1 {[%emt 0:01:54][%cal Rc4b5]} Qb8 {[%emt 0:03:17]} 16. Bd3 {[%emt 0:05:03]} ({Resist} 16. cxb5 $6 cxb5 17. d5 Nc5) 16... g5 {[%emt 0:05:58]} 17. Ne2 {[%emt 0:03:50][%cal Bc3e2,Be2g3,Bg3f5][%mdl 32]} ({Don't take} 17. cxb5 $6 cxb5 18. d5 e6 19. dxe6 fxe6 $16) 17... g4 $2 {[%emt 0:02:05]} (17... bxc4 18. bxc4 c5) 18. hxg4 {[%emt 0:00:07][%cal Bh3g4,Bg4g5][%mdl 32]} Nf6 {[%emt 0:00:23]} 19. Nh2 {[%emt 0:01:27]} h5 {[%emt 0:02:16]} (19... Nbd7 $142 20. cxb5 axb5) 20. g5 {[%emt 0:00:09]} Ng4 {[%emt 0:00:19]} 21. Nxg4 {[%emt 0:01:16]} hxg4 {[%emt 0:00:22]} 22. Ng3 {[%emt 0:01:00]} Nd7 {[%emt 0:09:42]} 23. Nf5 {[%emt 0:01:30]} Kf8 {[%emt 0:04:38]} 24. Bf4 {[%emt 0:09:40]} e5 {[%emt 0:07:17]} 25. Bg3 {[%emt 0:00:06]} c5 {[%emt 0:01:21]} 26. d5 {[%emt 0:00:49]} Bc8 {[%emt 0:02:08]} 27. b4 {[%emt 0:00:51]} cxb4 {[%emt 0:03:30]} 28. cxb5 {[%emt 0:00:11][%cal Bc4b5,Bb5b6,Bb6b7][%mdl 32]} Nc5 {[%emt 0:00:36]} 29. Rxb4 {[%emt 0:00:49] [#] And now bxa6 would win.} a5 {[%emt 0:02:22]} 30. Rbb1 {[%emt 0:00:43]} Bxf5 {[%emt 0:01:24]} 31. exf5 {[%emt 0:00:14]} f6 {[%emt 0:00:38]} 32. b6 {[%emt 0:02:01]} Rh5 {[%emt 0:01:06] [#]} 33. Rxc5 $1 {[%emt 0:00:27]} dxc5 {[%emt 0:00:16]} 34. Qxa5 {[%emt 0:00:18]} Kf7 {[%emt 0:05:44]} 35. g6+ {[%emt 0:00:42]} Ke7 {[%emt 0:00:31]} 36. b7 {[%emt 0:01:35]} Rdh8 {[%emt 0:08:16]} 37. Qxc5+ {[%emt 0:00:14]} Kd8 {[%emt 0:00:08]} 38. Qb6+ {[%emt 0:00:06]} Ke7 {[%emt 0:00:55]} 39. d6+ {[%emt 0:00:15]} Kf8 {[%emt 0:01:55]} 40. Kf1 {[%emt 0:00:06]} Rh1+ {[%emt 0:01:55]} 41. Ke2 {[%emt 0:00:02] Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.15 (very precise) /Black=0.61} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.9"]
[White "Sauceda Castillo, Francisco"]
[Black "Cori Quispe, Kevin Joel"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1842"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,52,11,15,34,18,38,20,32,-37,-45,-53,-51,-34,-43,-38,-29,-68,-97,-95,-102,-133,-102,-103,-71,-108,-102,-251,-237,-241,-241,-231,-118,-280,-241,-211,-162,-391,-390,-848,-848,-1394,-1347,-1368,-1322]} 1. d4 {[%emt 0:03:53]} Nf6 {[%emt 0:00:08]} 2. c3 {[%emt 0:00:09]} g6 {[%emt 0:00:11]} 3. Nf3 {[%emt 0:00:20]} Bg7 {[%emt 0:00:07]} 4. g3 {[%emt 0:00:11]} O-O {[%emt 0:00:13]} 5. Bg2 {[%emt 0:00:12]} d6 {[%emt 0:00:09]} 6. O-O {[%emt 0:00:40]} Nc6 {[%emt 0:00:07] A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} 7. Re1 {[%emt 0:00:46]} Bf5 {[%emt 0:01:04]} 8. Bg5 {[%emt 0:02:31]} Ne4 {[%emt 0:02:40] [#] The position is equal.} 9. Nbd2 $146 {[%emt 0:01:34]} (9. Be3 $14) ({Predecessor:} 9. Be3 d5 10. Nbd2 Nf6 11. Bg5 h6 12. Bxf6 Bxf6 13. e4 dxe4 14. Nxe4 Bg7 15. Nc5 {½-½ (40) Czibulka,Z (2215)-Percze,J (2234) Hungary 1999}) 9... Nxg5 $15 {[%emt 0:00:10]} 10. Nxg5 {[%emt 0:01:05]} e5 {[%emt 0:00:11]} 11. Bxc6 {[%emt 0:04:26]} bxc6 {[%emt 0:14:32]} 12. Ngf3 {[%emt 0:02:35]} exd4 {[%emt 0:00:51]} 13. Nxd4 {[%emt 0:07:41]} Bd7 $1 {[%emt 0:00:14]} 14. Rb1 {[%emt 0:02:08]} a5 {[%emt 0:03:16][%cal Ba7a5,Ba5a4][%mdl 32]} 15. Qc2 {[%emt 0:02:57]} Re8 {[%emt 0:02:40]} 16. e4 {[%emt 0:03:07]} Qg5 {[%emt 0:06:30]} 17. Re2 {[%emt 0:05:48]} Qh5 {[%emt 0:06:08]} 18. f3 {[%emt 0:04:44] [#]} (18. Qd3 $17 {was called for.}) 18... c5 $1 $19 {[%emt 0:05:34]} 19. N4b3 {[%emt 0:02:06]} a4 {[%emt 0:00:07]} 20. Nc1 {[%emt 0:01:22] [#]} f5 {[%emt 0:01:01]} ({Black should play} 20... c4 $1 $19 {...d5 is the strong threat.} 21. Re1 Bh6) 21. Rf2 $2 {[%emt 0:02:17]} (21. Nd3 $17) 21... Bh6 {[%emt 0:01:47] And now ...Be3 would win.} 22. Qd3 {[%emt 0:10:44]} Bc6 {[%emt 0:03:10]} 23. Qc4+ $2 {[%emt 0:06:25]} (23. Ne2 {was the only chance.}) 23... Kh8 {[%emt 0:01:07]} 24. Nf1 {[%emt 0:05:36] Inhibits Be3.} (24. Qd3 fxe4 25. Nxe4) 24... fxe4 {[%emt 0:01:08] White must now prevent ...e3. Black is clearly winning.} 25. fxe4 {[%emt 0:00:49]} Rxe4 {[%emt 0:00:43]} 26. Qf7 {[%emt 0:04:05]} Rf8 {[%emt 0:00:30] Black took control after the opening.  Weighted Error Value: White=0.78/Black=0.16 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.10"]
[White "Ibarra Chami, Luis Fernando"]
[Black "Gonzalez Cruz, Ian Josue"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2451"]
[BlackElo "1814"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,79,0,9,0,42,43,54,43,47,54,49,54,51,52,47,49,64,61,54,70,93,42,26,22,97,104,116,98,207,112,132,131,212,233,226,230,230,212,250,256,255,207,216,213,300,290,326,327,398,228,585,586,597,617,611,598,542,371,778,723,4998,1710,5397,5010,6527,6897,29984,29985,29984,29985,29985,29970]} 1. c4 {[%emt 0:11:14]} e5 {[%emt 0:00:07][%cal Be7e5,Be5e4][%mdl 32]} 2. Nc3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:10]} 3. Nf3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:24]} 4. g3 {[%emt 0:00:16]} Bb4 {[%emt 0:02:34]} 5. Bg2 {[%emt 0:01:20]} d6 {[%emt 0:02:18]} 6. Nd5 {[%emt 0:11:48] [#] A29: English Opening: Four Knights Variation with 4 g3.} e4 $146 {[%emt 0:13:02]} ({Predecessor:} 6... Bc5 7. O-O O-O 8. e3 Nxd5 9. cxd5 Nb4 10. d4 exd4 11. exd4 Bb6 12. Qb3 c5 13. Bg5 f6 14. dxc5 dxc5 15. d6+ Kh8 16. Bf4 {1-0 (35) Akopian,V (2703)-Stupak,K (2520) St Petersburg 2012}) 7. Ng5 {[%emt 0:15:20]} Nxd5 {[%emt 0:05:16]} 8. cxd5 {[%emt 0:00:20] White is slightly better.} Qxg5 {[%emt 0:00:25]} 9. dxc6 {[%emt 0:02:13]} bxc6 {[%emt 0:11:32]} 10. a3 {[%emt 0:07:44]} Ba5 {[%emt 0:01:38]} 11. Bxe4 {[%emt 0:00:51]} Bd7 {[%emt 0:10:41]} ({Weaker is} 11... d5 12. Qa4 $1 Qf6 13. Bxd5 $16 (13. Qxa5 dxe4 14. Qc3 Qxc3 $11)) 12. Qa4 {[%emt 0:04:56]} O-O {[%emt 0:04:32]} 13. Bxc6 {[%emt 0:04:10]} Bxc6 {[%emt 0:02:04]} 14. Qxc6 {[%emt 0:00:04]} Rae8 {[%emt 0:05:05]} 15. Qf3 {[%emt 0:08:47]} (15. e3 $16) 15... Qe5 $14 16. e3 {[%emt 0:01:16]} Qb5 {[%emt 0:09:28]} (16... Rb8 $1 $11) 17. b4 $16 {[%emt 0:01:33]} Bb6 {[%emt 0:00:08] Strongly threatening ...Bd4.} 18. Bb2 {[%emt 0:00:27] Inhibits Bd4.} d5 {[%emt 0:01:14] [#]} (18... a5 $16 {was called for.}) 19. Qe2 {[%emt 0:00:41]} (19. Qg4 $1 $18 {[%csl Gb2][%cal Rg4g7]} d4 20. Bxd4 Bxd4 21. Qxd4) 19... Qd7 {[%emt 0:00:58]} 20. O-O {[%emt 0:01:05]} Qf5 {[%emt 0:01:54]} (20... a5 $16 21. Rfc1 axb4) 21. a4 $18 {[%emt 0:02:32] aiming for a5.} c6 {[%emt 0:04:49]} 22. a5 {[%emt 0:00:19]} Bd8 {[%emt 0:01:29]} 23. Bd4 {[%emt 0:00:47]} Bf6 {[%emt 0:01:03]} 24. Bxf6 {[%emt 0:00:47]} ({Don't do} 24. Bxa7 Bxa1 25. Rxa1 Ra8) 24... Qxf6 {[%emt 0:00:07]} 25. Rab1 {[%emt 0:04:20]} Re7 {[%emt 0:03:09]} 26. Rfc1 {[%emt 0:01:25]} Rc8 {[%emt 0:00:43]} (26... Re6 {was worth a try.} 27. b5 cxb5) 27. Qa6 {[%emt 0:00:36]} Qf5 {[%emt 0:00:40]} 28. b5 {[%emt 0:01:57]} h5 {[%emt 0:00:35]} 29. Rb4 {[%emt 0:00:58]} (29. bxc6 $142 {Threatens to win with Rb7.} Rec7 30. Rb7) 29... Rec7 {[%emt 0:01:06]} (29... c5 {is more resistant.} 30. Rh4 g6) 30. b6 {[%emt 0:00:42]} axb6 {[%emt 0:01:04]} 31. axb6 {[%emt 0:00:06][%cal Ba5b6,Bb6b7][%mdl 32]} Re7 {[%emt 0:00:18]} 32. b7 {[%emt 0:00:32]} Rb8 {[%emt 0:00:07]} 33. Qxc6 {[%emt 0:00:17] Black must now prevent Qc8+.} Ree8 {[%emt 0:01:24] Against Qc8} (33... Kh7 34. Rcb1 Qe5) 34. Rf4 {[%emt 0:02:31]} Qd3 {[%emt 0:01:02]} 35. Qd7 {[%emt 0:01:12]} Rf8 {[%emt 0:00:26]} 36. Rc8 {[%emt 0:01:48] White threatens Qxf7+ and mate.} Qb1+ {[%emt 0:00:37]} 37. Kg2 {[%emt 0:00:05] White wants to mate with Qxf7+.} Qxb7 {[%emt 0:00:19]} 38. Rxf8+ {[%emt 0:00:08] White mates.} Kxf8 {[%emt 0:00:33]} 39. Rxf7+ {[%emt 0:00:08]} Kg8 {[%emt 0:00:51]} 40. Qxb7 {[%emt 0:14:53] Weighted Error Value: White=0.20 (precise) /Black=0.76} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.11"]
[White "Steinberg, Ellis"]
[Black "Perez Gormaz, Matias"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1808"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,77,0,6,0,31,0,5,0,0,-6,0,-41,-4,-47,-41,-57,-63,-101,-83,-131,-135,-141,-116,-120,-83,-105,-99,-94,-103,-95,-89,-97,-90,-106,-106,-210,-212,-219,-208,-240,-135,-583,-583,-560,-560,-622,-618,-747,-752,-1089,-1064,-1952,-1179,-1117,-868,-916,-876,-902,-857,-857,-889,-882,-867,-803]} 1. e4 {[%emt 0:18:49]} c5 {[%emt 0:00:19]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:00:23]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:17]} 5. Nc3 {[%emt 0:00:09]} a6 {[%emt 0:01:18]} 6. Be3 {[%emt 0:00:15]} e6 {[%emt 0:01:41]} 7. f3 {[%emt 0:00:25]} b5 {[%emt 0:00:51]} 8. Qd2 {[%emt 0:01:17]} Bb7 {[%emt 0:00:36]} 9. O-O-O {[%emt 0:00:24] B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} h5 {[%emt 0:00:31][%cal Bh7h5,Bh5h4,Bh4g3][%mdl 32] Prevents g4.} 10. Kb1 {[%emt 0:00:58]} (10. a4 $5 {[%cal Ra4b5]}) 10... Nbd7 {[%emt 0:00:20]} 11. Rg1 {[%emt 0:04:54] The position is equal.} Rc8 {[%emt 0:02:03]} 12. h3 {[%emt 0:04:21]} h4 {[%emt 0:01:29]} 13. g4 {[%emt 0:08:06]} hxg3 $1 {[%emt 0:00:26] [#]} 14. Nce2 $146 {[%emt 0:00:23]} ({Predecessor:} 14. Rxg3 g6 15. Bd3 Bg7 16. Nb3 Nh5 17. Rgg1 Bxc3 18. bxc3 Nb6 19. f4 Na4 20. Bd4 {1-0 (30) Zhang,L (2135)-Paramzina,A (2252) Lichess.org INT 2021}) 14... d5 {[%emt 0:10:16]} 15. exd5 {[%emt 0:25:44]} Nxd5 {[%emt 0:00:19]} 16. Rxg3 {[%emt 0:01:04]} N7b6 {[%emt 0:10:07] aiming for ...Nc4.} 17. Bg5 {[%emt 0:03:24] [#]} (17. Nf4 $142 e5 18. Nxd5 Nxd5 19. Nf5) 17... Nc4 $1 $17 {[%emt 0:00:48][%mdl 512]} 18. Qd3 {[%emt 0:05:21]} (18. Qe1 Qc7) 18... Qc7 {[%emt 0:00:20]} 19. c3 {[%emt 0:02:49]} Ne5 {[%emt 0:18:15]} 20. Qd2 {[%emt 0:01:53]} b4 {[%emt 0:00:38]} 21. cxb4 {[%emt 0:11:11]} Bxb4 {[%emt 0:00:12]} 22. Qc2 {[%emt 0:00:09]} Qxc2+ {[%emt 0:00:14]} 23. Nxc2 {[%emt 0:00:04][%cal Od1d5]} Be7 {[%emt 0:00:19] &Nero is much more active.} 24. Bxe7 {[%emt 0:00:14]} Kxe7 {[%emt 0:00:12]} 25. Rxg7 {[%emt 0:00:48] [#]} (25. f4 $17 {is a better defense.} Nc4 26. Bg2) 25... Rxc2 $1 {[%emt 0:02:05][%mdl 576] Decoy} 26. Kxc2 {[%emt 0:00:17]} Ne3+ {[%emt 0:00:07] Pair of Knights!} 27. Kc1 {[%emt 0:00:08]} Bxf3 {[%emt 0:09:14]} ({Better is} 27... Nxd1 $19 28. Kxd1 Ng6) 28. Nc3 $2 {[%emt 0:04:31][%mdl 8192] Loses the game.} (28. Rg3 $17) 28... Bxd1 $19 {[%emt 0:00:27] Black is clearly winning.} 29. Bxa6 {[%emt 0:02:05]} Bf3 {[%emt 0:02:03]} 30. Rg1 {[%emt 0:02:19]} f5 {[%emt 0:00:28][%cal Bf7f5,Bf5f4][%mdl 32]} 31. b4 {[%emt 0:00:27]} Rxh3 {[%emt 0:00:45] Threatens to win with ...Rh2.} 32. Kd2 {[%emt 0:00:29]} f4 {[%emt 0:00:33] Strongly threatening ...Rh2+.} 33. Ne2 {[%emt 0:00:31]} Rh2 {[%emt 0:01:04] Hoping for ...Bxe2.} 34. Re1 {[%emt 0:00:53]} Bd5 {[%emt 0:03:17] ...Nf3+ is the strong threat.} 35. Kc3 {[%emt 0:00:39]} Bxa2 {[%emt 0:01:41] And now ...Nd5+ would win.} 36. Nxf4 {[%emt 0:00:24]} Rc2+ {[%emt 0:00:18]} 37. Kd4 {[%emt 0:00:05]} Nf3+ {[%emt 0:00:43]} 38. Kxe3 {[%emt 0:00:15]} Nxe1 {[%emt 0:00:09]} 39. Kd4 {[%emt 0:01:35] Weighted Error Value: White=0.72/Black=0.35} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.12"]
[White "Fernandez Hernandez, Arturo A."]
[Black "Martinez Martinez, Ian Alf"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2376"]
[BlackElo "1821"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,89,32,-5,-8,-1,-11,-10,-6,10,12,11,47,50,49,50,47,41,79,22,30,20,22,22,102,15,34,27,48,5,83,76,66,63,50,37,80,81,83,82,197,203,185,86,86,93,127,102,122,123,254,158,160,160,215,229,202,217,414,407,383,373,349,336,2900,2771,2641,2552,29968,29971,29972,29971,29971,29971,29973,29971,29971,29972,29980,29976,29974,29974]} 1. d4 {[%emt 0:00:27]} d5 {[%emt 0:01:11]} 2. Nf3 {[%emt 0:00:19]} c6 {[%emt 0:01:02]} 3. e3 {[%emt 0:03:05]} Nf6 {[%emt 0:04:03]} 4. Bd3 {[%emt 0:01:34]} Bg4 {[%emt 0:02:14]} 5. Nbd2 {[%emt 0:00:23][%cal Bb1d2,Bd2f3,Bf3d4][%mdl 32]} Nbd7 {[%emt 0:02:00]} 6. c4 {[%emt 0:06:10]} (6. h3 $5 {[%cal Rh3g4]} Bh5 7. O-O $11) 6... e5 {[%emt 0:10:26] [#] And now ...e4 would win. was the old line (6...e6). D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} 7. cxd5 {[%emt 0:01:51]} Nxd5 {[%emt 0:01:01]} 8. h3 {[%emt 0:10:19]} Bxf3 {[%emt 0:08:43] The position is equal.} 9. Nxf3 {[%emt 0:01:12] [#]} Qa5+ $146 {[%emt 0:10:57]} ({Predecessor:} 9... Bb4+ 10. Bd2 Qe7 11. Bc4 exd4 12. Nxd4 N7b6 13. Be2 Rd8 14. O-O O-O 15. Bxb4 Nxb4 {½-½ (43) Genocchio,D (2353)-Lazic,M (2471) Genova 2004}) 10. Bd2 {[%emt 0:04:22]} Qc7 {[%emt 0:53:53]} 11. O-O $36 {[%emt 0:04:40][%mdl 2048] White has the initiative.} Bd6 {[%emt 0:00:00]} 12. Rc1 {[%emt 0:03:26]} exd4 {[%emt 0:00:00]} 13. Nxd4 {[%emt 0:00:54]} Be5 {[%emt 0:00:00]} 14. Bb1 {[%emt 0:13:04]} (14. Qc2 $16) 14... g6 $11 {[%emt 0:00:00]} 15. e4 {[%emt 0:08:58]} Nf4 {[%emt 0:00:00]} 16. Be3 {[%emt 0:03:30]} Rd8 {[%emt 0:00:00] [#]} (16... Bxd4 $11 17. Bxd4 Ne5) 17. Qc2 {[%emt 0:04:54]} ({White should try} 17. g3 $1 $16 {[%cal Rg3f4]}) 17... O-O {[%emt 0:01:28]} 18. Rcd1 {[%emt 0:02:15]} Rfe8 {[%emt 0:01:39]} 19. a3 {[%emt 0:00:21]} (19. g3 $5 {[%cal Rg3f4]}) 19... Qb8 {[%emt 0:00:48]} (19... Nh5 $11 {remains equal.}) 20. Ba2 {[%emt 0:00:40]} Nf8 {[%emt 0:00:18]} 21. Nf3 {[%emt 0:02:35][%cal Oe3a7]} Bf6 {[%emt 0:00:37]} 22. b4 {[%emt 0:04:25]} N8e6 {[%emt 0:00:33]} 23. h4 {[%emt 0:01:55]} Rxd1 {[%emt 0:00:33]} 24. Rxd1 {[%emt 0:00:06]} Rd8 {[%emt 0:00:14] Prevents Rd7.} (24... Nf8 $16 {is a better defense.}) 25. g3 $18 {[%emt 0:00:15]} Nh5 {[%emt 0:00:46]} 26. Kg2 {[%emt 0:00:41]} (26. Bxe6 $18 fxe6 27. Rxd8+ Bxd8 28. Qd3) 26... Nhg7 $16 {[%emt 0:00:18]} 27. Rxd8+ {[%emt 0:02:31]} Nxd8 {[%emt 0:00:41]} 28. Qd2 {[%emt 0:05:55][%cal Oe4e5] Hoping for e5! &Bianco is more active.} Nde6 {[%emt 0:00:33]} 29. Qd7 {[%emt 0:14:13] Bh6 is the strong threat.} Qe8 {[%emt 0:00:25] Loses the game.} (29... Qc7 $16 {was worth a try.} 30. Qxc7 Nxc7) 30. Qxe8+ {[%emt 0:00:00]} Nxe8 {[%emt 0:00:02]} 31. e5 {[%emt 0:00:00]} ({Don't play} 31. Bxa7 Bb2 $16) 31... Bd8 {[%emt 0:00:40]} (31... Be7 $16 32. Bxa7 N8c7) 32. Bxe6 $18 {[%emt 0:00:00]} ({Much less strong is} 32. Bxa7 N8g7 33. Nd2 Nf5) 32... fxe6 {[%emt 0:00:01]} 33. Bxa7 {[%emt 0:00:00][%mdl 4096] Endgame KBN-KBN} Nc7 $2 {[%emt 0:01:20]} (33... Bc7 34. a4 Ng7) 34. Bb6 {[%emt 0:00:00]} Kf7 {[%emt 0:00:33]} 35. Nd4 {[%emt 0:00:00]} Ke7 {[%emt 0:00:13]} 36. f4 {[%emt 0:00:00]} Nb5 $2 {[%emt 0:00:47]} (36... Kd7 37. Kf3 h6 38. Bxc7 Bxc7) 37. Bxd8+ {[%emt 0:00:00]} Kxd8 {[%emt 0:00:01]} 38. Nxb5 {[%emt 0:00:00]} cxb5 {[%emt 0:00:01] KP-KP} 39. h5 {[%emt 0:05:00] White mates.} Ke8 {[%emt 0:01:28]} 40. Kh3 {[%emt 0:00:00]} Kf7 {[%emt 0:00:13]} 41. Kh4 {[%emt 0:00:00]} h6 {[%emt 0:00:32]} 42. g4 {[%emt 0:01:30]} Kg7 {[%emt 0:01:16]} 43. g5 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 44. gxh6+ Kxh6 {[%emt 0:00:00]} 45. hxg6 {[%emt 0:00:00] Weighted Error Value: White=0.17 (very precise) /Black=0.40} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.13"]
[White "Rivera Garcia, David Moises"]
[Black "Galaviz Medina, Sion Radamantys"]
[Result "0-1"]
[ECO "B83"]
[WhiteElo "1780"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,52,16,26,-3,0,-12,-8,-9,0,-10,-14,-14,-5,-430,-432,-419,-306,-542,-545,-683,-546,-745,-717,-712,-419,-422,-407,-400,-333,-556,-565,-575,-563,-621,-610,-814,-809,-906,-873,-1305,-1313,-1156,-843]} 1. e4 {[%emt 0:06:07]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:06]} d6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:07]} e6 {[%emt 0:00:05][%cal Be7e6,Be6e5,Be5e4,Be4e3][%mdl 32]} 6. Be2 {[%emt 0:02:01]} Be7 {[%emt 0:02:00] [#]} 7. Qd2 $146 {[%emt 0:00:16] B83: Sicilian Scheveningen: 6 Be2, lines without ...a6.} ({Predecessor:} 7. Be3 O-O 8. Qd2 e5 9. Nb3 a5 10. a3 a4 11. Nc1 Nc6 12. O-O Nxe4 13. Nxe4 d5 14. Ng3 d4 15. Bh6 gxh6 {0-1 (32) Miton,K (2612)-Nisipeanu,L (2687) Germany 2017}) 7... O-O {[%emt 0:02:23]} 8. b3 {[%emt 0:00:03]} d5 {[%emt 0:08:47]} 9. exd5 {[%emt 0:02:47] The position is equal.} Bb4 {[%emt 0:01:13] [#] ...Qa5 is the strong threat.} 10. Bf3 {[%emt 0:01:02]} e5 {[%emt 0:00:50]} 11. Ndb5 {[%emt 0:01:01]} a6 {[%emt 0:02:34][%mdl 1024] And now ...e4 would win. Black has compensation.} 12. Na3 $2 {[%emt 0:00:04][%mdl 8192]} (12. Ba3 $11 {and White has nothing to worry.} Bxa3 13. Nxa3) 12... e4 $19 {[%emt 0:00:13]} 13. Be2 {[%emt 0:00:28]} e3 {[%emt 0:01:13]} 14. Qd3 {[%emt 0:02:55] [#]} (14. fxe3 {only move.} Ne4 15. Nxe4 Bxd2+ 16. Nxd2) 14... Bf5 $1 {[%emt 0:00:25][%mdl 512]} 15. Qc4 {[%emt 0:00:29]} (15. Qxf5 Bxc3+) 15... Qa5 {[%emt 0:00:32]} 16. Nab1 {[%emt 0:02:57]} Rc8 {[%emt 0:00:06][%cal Bf8c8,Bc8c3,Bc3c2][%mdl 32]} 17. Qd4 {[%emt 0:01:42]} Bxc3+ {[%emt 0:00:48]} 18. Nxc3 {[%emt 0:00:03]} Qxc3+ {[%emt 0:00:07]} ({But not} 18... Rxc3 $2 19. O-O Rxc2 20. Qxe3 $19) 19. Qxc3 {[%emt 0:00:08]} Rxc3 {[%emt 0:00:04]} 20. Bb2 $2 {[%emt 0:00:18]} (20. Bxe3 Nbd7 21. Bf3) 20... exf2+ {[%emt 0:01:09] Black is clearly winning.} 21. Kxf2 {[%emt 0:00:21]} Ne4+ {[%emt 0:00:31]} 22. Kf1 {[%emt 0:01:00]} Rxc2 {[%emt 0:00:07]} 23. Be5 {[%emt 0:02:42]} Nd7 {[%emt 0:00:15]} 24. Bf4 {[%emt 0:00:07]} Re8 {[%emt 0:00:34]} 25. a3 {[%emt 0:07:09]} g5 {[%emt 0:01:21]} 26. Rc1 {[%emt 0:05:41]} Nc3 {[%emt 0:01:39] White did not feel at home in the position after the opening.  Weighted Error Value: White=1.28/Black=0.35} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.14"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Pena Davalos, David"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2393"]
[BlackElo "1761"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,55,35,18,51,0,114,52,70,75,52,44,41,13,0,0,116,46,43,0,212,207,218,219,206,210,201,210,196,181,160,188,412,406,417,393,724,723,705,704,689,673]} 1. e4 {[%emt 0:07:13][%cal Be2e4,Be4e5][%mdl 32]} e6 {[%emt 0:00:40]} 2. d4 {[%emt 0:00:08]} d5 {[%emt 0:00:07]} 3. e5 {[%emt 0:00:08]} c5 {[%emt 0:00:12]} 4. c3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:08]} 5. Nf3 {[%emt 0:00:05]} Bd7 {[%emt 0:01:22]} 6. Be2 {[%emt 0:00:57]} f6 {[%emt 0:00:29]} 7. O-O {[%emt 0:00:33]} fxe5 {[%emt 0:00:18]} 8. dxe5 {[%emt 0:00:44]} Qc7 {[%emt 0:02:23]} 9. Re1 {[%emt 0:00:48]} O-O-O {[%emt 0:01:49] C02: French: Advance Variation.} (9... Nxe5 $2 10. Nxe5 Nf6 11. Bg5 $1 $18) 10. Bf1 $1 {[%emt 0:07:29][%cal Ob2b4] [#]} h6 $146 {[%emt 0:11:12]} (10... Nh6 $11) ({Predecessor:} 10... Nh6 11. Bg5 Re8 12. c4 d4 13. Nbd2 Nf7 14. Bf4 Be7 15. Ne4 h6 16. Bg3 g5 {0-1 (55) Pridorozhni,A (2550)-Ponkratov,P (2593) Khanty-Mansiysk 2011}) 11. b4 {[%emt 0:02:38]} (11. Na3 $1 $16) 11... cxb4 $14 {[%emt 0:09:09] White is slightly better.} 12. cxb4 {[%emt 0:01:35]} Bxb4 {[%emt 0:03:19]} 13. Bd2 {[%emt 0:00:08]} Bxd2 {[%emt 0:02:15]} 14. Nbxd2 {[%emt 0:00:52][%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} (14. Qxd2 $5 {[%cal Rb1c3]} Kb8 15. Nc3 $11) 14... Nge7 {[%emt 0:01:40]} 15. Nb3 {[%emt 0:01:04]} g5 {[%emt 0:04:29] [#]} (15... Kb8 $11 {remains equal.}) 16. Rc1 {[%emt 0:01:03]} (16. Nc5 $1 $16) 16... Kb8 {[%emt 0:06:14]} 17. Nc5 {[%emt 0:02:31] Threatens to win with Rb1.} Bc8 $2 {[%emt 0:02:45] [#]} (17... Ka8 $1 $11) 18. Nd4 $1 $18 {[%emt 0:01:35]} Qa5 {[%emt 0:14:31]} 19. Ncxe6 {[%emt 0:13:12]} Bxe6 {[%emt 0:01:38]} 20. Nxe6 {[%emt 0:00:05]} Rc8 {[%emt 0:01:34]} 21. Rc5 {[%emt 0:27:17]} Qxa2 {[%emt 0:03:29]} 22. Re2 {[%emt 0:00:43][%cal Be1e2,Be2e3,Be3b3][%mdl 32]} Qa3 {[%emt 0:01:10]} 23. Qb1 {[%emt 0:00:57][%mdl 1024] White has strong compensation. &Bianco is more active.} Nb4 {[%emt 0:08:48] Inhibits Ra2.} (23... Nd8 24. Ra2 Qxc5 25. Nxc5 Rxc5) 24. Re3 {[%emt 0:02:12]} Qa4 {[%emt 0:01:58][%cal Oa4d7]} 25. Rb3 {[%emt 0:02:13]} Nec6 {[%emt 0:02:45]} (25... Rxc5 26. Nxc5 Qc6 27. Rxb4 Qxc5 28. Rxb7+ Ka8) 26. Bb5 {[%emt 0:00:55] White is clearly winning.} Qa2 {[%emt 0:01:42]} 27. Qxa2 {[%emt 0:00:10][%mdl 64] Deflection} Nxa2 {[%emt 0:00:33]} 28. Bxc6 {[%emt 0:00:13] Weighted Error Value: White=0.11 (very precise) /Black=0.67} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.15"]
[White "Dominguez Gonzalez, Edgar"]
[Black "Torres Rosas, Luis Carlos"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1785"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,54,-13,0,-31,-11,-26,-28,-17,-15,-41,-41,-41,-39,-41,-40,-41,-41,-55,-46,-50,-46,-51,-51,-37,-37,-144,-153,-153,-153,-164,-136,-353,-352,-357,-316,-360,-357,-429,-421]} 1. e4 {[%emt 0:00:04]} e6 {[%emt 0:08:36]} 2. d4 {[%emt 0:00:30]} d5 {[%emt 0:00:04]} 3. e5 {[%emt 0:01:01]} c5 {[%emt 0:00:18]} 4. c3 {[%emt 0:00:15]} Qb6 {[%emt 0:02:35]} 5. Nf3 {[%emt 0:00:48]} Nc6 {[%emt 0:00:55]} 6. a3 {[%emt 0:00:47]} c4 {[%emt 0:06:20]} 7. Nbd2 {[%emt 0:03:13]} Na5 {[%emt 0:01:09]} 8. g3 {[%emt 0:05:15]} Bd7 {[%emt 0:00:49]} 9. h4 {[%emt 0:00:26]} Ne7 {[%emt 0:00:42]} 10. Bh3 {[%emt 0:00:27] C02: French: Advance Variation.} Qc7 {[%emt 0:01:47]} 11. O-O {[%emt 0:01:10]} Nc8 {[%emt 0:02:00]} 12. Nh2 {[%emt 0:01:03] Black has an edge.} Nb6 {[%emt 0:05:17]} 13. f4 {[%emt 0:00:11]} g6 {[%emt 0:09:26] [#]} 14. Qe1 $146 {[%emt 0:05:35]} ({Predecessor:} 14. Ng4 O-O-O 15. Nf6 Ba4 16. Qf3 Be7 17. Ng4 h6 18. Ne3 Kb8 19. Bg2 Rdf8 20. Rb1 {0-1 (65) Maloba,D (1617)-Goosen,A (2002) Bloemfontein 2018}) 14... O-O-O {[%emt 0:07:17]} 15. Bg4 {[%emt 0:01:14]} Ba4 {[%emt 0:04:11]} 16. Bd1 {[%emt 0:00:01]} Qc6 {[%emt 0:04:16]} 17. Rf3 {[%emt 0:00:36]} Bxd1 {[%emt 0:02:41]} 18. Qxd1 {[%emt 0:00:03]} Qa4 {[%emt 0:00:08]} 19. Qxa4 {[%emt 0:00:49]} Nxa4 {[%emt 0:00:06][%cal Bb6a4,Ba4c3,Bc3e2][%mdl 32]} 20. Rb1 {[%emt 0:01:57]} Kb8 {[%emt 0:04:37]} 21. b3 {[%emt 0:00:32]} ({White should play} 21. Rf2 $15) 21... cxb3 $17 {[%emt 0:00:11]} 22. Nxb3 {[%emt 0:00:03]} Nc4 {[%emt 0:03:12]} 23. Ng4 {[%emt 0:04:53]} h5 {[%emt 0:02:02]} ({Don't take} 23... Bxa3 24. Bxa3 Nxa3 25. Ra1 $18) 24. Ne3 {[%emt 0:00:05] [#] This move loses the game for White.} (24. Nf2 $17 {was called for.}) 24... Nxc3 $19 {[%emt 0:10:57]} 25. Ra1 {[%emt 0:00:56]} Ne2+ {[%emt 0:00:58]} 26. Kf2 {[%emt 0:00:42]} Nxc1 {[%emt 0:00:14]} 27. Nxc1 {[%emt 0:02:12]} Nd2 {[%emt 0:00:13] Weighted Error Value: White=0.38/Black=0.04 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.16"]
[White "Figueredo Losada, Leonel"]
[Black "Contreras Frias, Gabriel"]
[Result "1-0"]
[ECO "E93"]
[WhiteElo "2342"]
[BlackElo "1771"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,50,85,61,65,78,93,90,95,97,124,121,147,145,144,93,256,245,275,264,467,265,675,666,770,768,739,748,837,813,817,674,671,583,826]} 1. d4 {[%emt 0:00:12]} Nf6 {[%emt 0:01:04]} 2. c4 {[%emt 0:01:39]} g6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:50]} 4. e4 {[%emt 0:00:47]} d6 {[%emt 0:00:08]} 5. Be2 {[%emt 0:00:13]} O-O {[%emt 0:00:53]} 6. Be3 {[%emt 0:00:03]} e5 {[%emt 0:03:09]} 7. d5 {[%emt 0:00:06]} Nbd7 {[%emt 0:00:52]} 8. Nf3 {[%emt 0:00:11]} a5 {[%emt 0:03:25]} 9. Nd2 {[%emt 0:00:08]} Nc5 {[%emt 0:02:45]} 10. a3 {[%emt 0:00:12][%cal Ba2a3,Ba3b4][%mdl 32] 10.h4 is the hot move.} b6 {[%emt 0:05:02] E93: King's Indian: Classical: Petrosian System with 7...Nbd7.} 11. b4 {[%emt 0:00:12]} axb4 {[%emt 0:00:03]} 12. axb4 {[%emt 0:00:06][%mdl 64] [#] Discovered Attack} Rxa1 {[%emt 0:00:06] White is better.} 13. Qxa1 {[%emt 0:00:03]} Ncd7 {[%emt 0:00:18]} 14. O-O {[%emt 0:06:46]} Ne8 {[%emt 0:02:47] [#]} 15. Qa8 $146 {[%emt 0:02:38]} ({Predecessor:} 15. Nb5 f5 16. f3 f4 17. Bf2 Nb8 18. c5 bxc5 19. bxc5 Ba6 20. c6 g5 21. Rb1 {1-0 (35) Morasso,J-Spata,R (2105) Chivilcoy 1998}) 15... f5 {[%emt 0:04:32]} 16. f3 {[%emt 0:00:07] 0x0.0017ad110bf2dp-1022s more active pieces. The black rooks are badly placed.} (16. Nf3 $142) 16... f4 $2 {[%emt 0:00:04] A mistake that costs the game.} (16... Bf6 $16) 17. Bf2 $18 {[%emt 0:00:02]} g5 {[%emt 0:26:23]} 18. Nb5 {[%emt 0:00:10][%cal Bc3b5,Bb5a7,Ba7c6][%mdl 32] [#] Threatens to win with Na7.} h5 $2 {[%emt 0:00:05]} (18... Bh6 19. Na7 Ng7) 19. Ra1 {[%emt 0:02:55]} (19. Na7 $142 Nef6 20. Nc6 (20. Qxc8 Qxc8 21. Nxc8 Rxc8 $16)) 19... Kf7 $2 {[%emt 0:04:19]} (19... Bh6 20. Na7 Ng7) 20. Na7 {[%emt 0:01:46] White is clearly winning.} Nef6 {[%emt 0:02:57]} 21. Nc6 {[%emt 0:00:21]} ({Not} 21. Nxc8 Qxc8 22. Qc6 Qb8 $18) 21... Qe8 {[%emt 0:00:01]} 22. Qa7 {[%emt 0:00:05]} Kg8 {[%emt 0:05:52]} 23. Qxc7 {[%emt 0:00:28]} Qf7 {[%emt 0:00:15]} 24. Ra8 {[%emt 0:00:55]} Ne8 {[%emt 0:36:32]} 25. Qxc8 {[%emt 1:22:49]} Nef6 {[%emt 0:00:30] Weighted Error Value: White=0.37/Black=0.78} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.17"]
[White "Kowalski Davila, Emilio Luis"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "0-1"]
[ECO "E51"]
[WhiteElo "1735"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,86,7,0,-15,-21,-25,-19,-99,-10,-93,-80,-83,-79,-111,-82,-80,-38,-107,-101,-107,-103,-135,-133,-185,-138,-127,-116,-125,-133,-122,-123,-210,-208,-321,-313,-311,-306,-308,-251,-249,-245,-246,-245,-245,-243,-250,-245,-252,-258,-277,-256,-260,-242,-310,-301,-372,-370,-529,-442,-441,-441,-566,-516,-770,-768,-731,-718,-890,-882,-882,-640,-963,-931,-816,-574]} 1. d4 {[%emt 0:00:30]} d5 {[%emt 0:06:32]} 2. c4 {[%emt 0:00:13]} e6 {[%emt 0:00:24]} 3. Nc3 {[%emt 0:00:16]} Bb4 {[%emt 0:00:31]} 4. e3 {[%emt 0:00:37]} Nf6 {[%emt 0:00:35]} 5. a3 {[%emt 0:00:33]} Bxc3+ {[%emt 0:00:34]} 6. bxc3 {[%emt 0:00:13]} O-O {[%emt 0:00:19] 6...c6 is the fancy move.} 7. Nf3 {[%emt 0:03:08]} c5 {[%emt 0:00:43]} 8. h3 {[%emt 0:04:10] E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} Qc7 {[%emt 0:02:00]} 9. cxd5 {[%emt 0:01:39]} exd5 {[%emt 0:01:28] [#]} 10. Bd2 $146 {[%emt 0:03:27]} (10. a4 $11) ({Predecessor:} 10. Bb2 c4 11. Be2 Nc6 12. O-O Bf5 13. Qd2 h6 14. Nh4 Bh7 15. Bd1 Na5 16. Bc2 Nb3 17. Bxb3 cxb3 {0-1 (36) White,R (1637)-Wilkinson,D ICCF email 2019}) 10... Bf5 {[%emt 0:03:55]} ({Black should try} 10... c4 $1 $17) 11. Ne5 {[%emt 0:04:14]} (11. c4 $11) 11... Nc6 {[%emt 0:05:49]} 12. Nxc6 {[%emt 0:17:02]} bxc6 {[%emt 0:04:07]} 13. Be2 {[%emt 0:06:24]} Ne4 {[%emt 0:06:01]} 14. O-O {[%emt 0:07:32]} Rab8 {[%emt 0:02:50]} 15. Be1 {[%emt 0:07:55] [#]} (15. c4 $15) 15... c4 $1 $17 {[%emt 0:07:16]} 16. Qc1 {[%emt 0:02:37]} Rfe8 {[%emt 0:03:53]} 17. g4 {[%emt 0:12:41] [#]} Bg6 {[%emt 0:03:33] 0x0.001a398f4aa0dp-1022s more active pieces. The white rooks are badly placed.} 18. Kg2 {[%emt 0:00:40]} (18. Bd1 $17 {keeps fighting.}) 18... Qb7 {[%emt 0:08:04]} (18... Rb3 $19 {White must now prevent ...Reb8.} 19. Bd1 Reb8 20. Bxb3 cxb3) 19. Ra2 {[%emt 0:07:17]} Qb3 {[%emt 0:04:08]} 20. Qa1 {[%emt 0:00:18]} Nf6 {[%emt 0:02:13] And now ...Bb1 would win.} 21. Bd1 {[%emt 0:09:21]} Qb7 $36 {[%emt 0:02:48][%mdl 2048] Strongly threatening ...Bb1. Keeping White busy.} 22. Qc1 {[%emt 0:04:49]} (22. f3 $17) 22... Bb1 $19 {[%emt 0:07:23]} 23. Re2 {[%emt 0:01:57]} (23. Ra1 $142) 23... Bd3 {[%emt 0:00:48]} 24. Ra2 {[%emt 0:00:49]} Bxf1+ {[%emt 0:01:54]} 25. Kxf1 {[%emt 0:00:11]} Qb1 {[%emt 0:03:46]} 26. Qxb1 {[%emt 0:02:20]} Rxb1 {[%emt 0:00:10]} 27. Bc2 {[%emt 0:00:09]} Rb6 {[%emt 0:00:38]} 28. Ke2 {[%emt 0:00:42]} Reb8 {[%emt 0:00:21]} 29. Kd1 {[%emt 0:00:16]} Rb2 {[%emt 0:01:04]} 30. Ra1 {[%emt 0:00:09]} Re8 {[%emt 0:01:41]} 31. a4 {[%emt 0:00:45]} a5 {[%emt 0:00:34]} 32. Kc1 {[%emt 0:00:33]} Rb7 {[%emt 0:00:25]} 33. Ra2 {[%emt 0:00:17]} Ne4 {[%emt 0:01:25]} 34. f4 {[%emt 0:01:34]} f6 {[%emt 0:01:03]} 35. Bd1 {[%emt 0:00:18]} (35. Rb2 $142 Rxb2 36. Kxb2) 35... Reb8 {[%emt 0:01:19] Black is clearly winning.} 36. Bc2 {[%emt 0:00:05]} g6 {[%emt 0:01:20]} 37. h4 {[%emt 0:01:15]} h6 {[%emt 0:01:23]} 38. f5 {[%emt 0:00:36]} gxf5 {[%emt 0:00:24]} 39. gxf5 {[%emt 0:00:10]} Kf7 {[%emt 0:01:38]} 40. Bd1 {[%emt 0:00:27]} Rb1+ {[%emt 0:01:28]} 41. Kc2 {[%emt 0:00:10]} Ke7 {[%emt 0:00:41]} 42. h5 {[%emt 0:00:31]} R8b7 {[%emt 0:01:14]} 43. Bd2 {[%emt 0:00:50]} Nxd2 {[%emt 0:00:56] Weighted Error Value: White=0.53/Black=0.20 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.18"]
[White "Benitez Lozano, Javier"]
[Black "Villanueva De Leon, Vanessa"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2309"]
[BlackElo "1729"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,75,57,78,68,91,73,81,86,100,94,111,98,103,93,104,101,146,144,144,144,149,148,145,137,143,119,175,186,350,340,359,353,335,308,805,463,459,222,258,243,4833,1348,29969,29969,29977,29978,29977,29977,29974,29975,29975,29976,29978,29979,29975,29975]} 1. d4 {[%emt 0:09:35]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:19]} c5 {[%emt 0:00:25]} 3. d5 {[%emt 0:00:42]} b5 {[%emt 0:00:29]} 4. cxb5 {[%emt 0:00:28]} a6 {[%emt 0:01:24]} 5. bxa6 {[%emt 0:00:22]} Bxa6 {[%emt 0:00:48]} 6. Nc3 {[%emt 0:00:12]} g6 {[%emt 0:01:05]} 7. e4 {[%emt 0:00:27]} Bxf1 {[%emt 0:00:24]} 8. Kxf1 {[%emt 0:00:05]} d6 {[%emt 0:00:33]} 9. g3 {[%emt 0:00:28]} Bg7 {[%emt 0:01:13]} 10. Kg2 {[%emt 0:00:14]} O-O {[%emt 0:00:47]} 11. Nf3 {[%emt 0:00:23][%cal Bg1f3,Bf3d2,Bd2c4][%mdl 32]} Nbd7 {[%emt 0:02:27]} 12. a4 {[%emt 0:00:43] A59: Benko/Volga Gambit: White castles by hand.} Qb6 {[%emt 0:03:50]} 13. Ra3 {[%emt 0:01:23]} Rfb8 {[%emt 0:01:22]} 14. Nd2 $1 {[%emt 0:03:57][%mdl 4] White is better. now scores much better than the old 14.Qc2.} Ne8 {[%emt 0:05:06]} 15. Nb5 {[%emt 0:01:02]} Nc7 {[%emt 0:10:53]} 16. Nc4 {[%emt 0:00:44]} Qb7 {[%emt 0:00:52]} 17. Nxc7 {[%emt 0:01:11] &Bianco is more active.} Qxc7 {[%emt 0:02:26]} 18. a5 {[%emt 0:00:31] [#]} Rb4 $146 {[%emt 0:07:18]} ({Predecessor:} 18... Ne5 19. Nb6 Ra7 20. b3 Nd7 21. Nc4 Ne5 22. Nxe5 Bxe5 23. Bd2 Qb7 24. Qc2 Bd4 {½-½ (61) Fischer,W (2440)-Rook,D (2445) ICCF email 2019}) 19. Qc2 {[%emt 0:09:12]} Qb7 {[%emt 0:11:04]} 20. Bd2 {[%emt 0:15:52]} Rb5 {[%emt 0:13:11][%cal Rg7b2]} 21. Bc3 {[%emt 0:07:25]} Qa6 {[%emt 0:04:06]} 22. h4 {[%emt 0:12:33]} Bxc3 {[%emt 0:08:56]} 23. Rxc3 {[%emt 0:07:25]} Rab8 {[%emt 0:02:09]} (23... Nf6 $16 24. b3 h5) 24. h5 $18 {[%emt 0:01:58]} Ne5 $2 {[%emt 0:01:44]} (24... g5 25. h6 Nf8) 25. hxg6 {[%emt 0:14:53]} fxg6 {[%emt 0:03:13]} 26. Nxe5 {[%emt 0:00:38]} dxe5 {[%emt 0:00:22]} 27. Qc1 {[%emt 0:00:21] [#] Black must now prevent Qh6.} (27. Rxc5 Rxb2 28. Qd1 Qa7 $14) 27... Rxb2 $2 {[%emt 0:04:44]} (27... h5 28. Rf3 Rb3 29. Rxb3 (29. Qxc5 Rxf3 30. Kxf3 Rxb2 $16) 29... Rxb3) 28. Rf3 {[%emt 0:06:13] Intending Qh6 and mate.} Rb1 {[%emt 0:04:56]} 29. Qxc5 {[%emt 0:04:28]} (29. Qxb1 $142 Rxb1 30. Rxb1) 29... Rxh1 {[%emt 0:00:09]} 30. Kxh1 {[%emt 0:00:03][%mdl 4096] Endgame KQR-KQR} Qf1+ $2 {[%emt 0:05:20] [#]} (30... Qe2 31. Kg2 Qxe4) 31. Kh2 {[%emt 0:00:05]} Qd1 {[%emt 0:00:23]} 32. Kg2 {[%emt 0:00:50] White mates.} Rf8 {[%emt 0:03:59]} 33. Rxf8+ {[%emt 0:00:14]} Kxf8 {[%emt 0:00:05]} 34. Qc8+ {[%emt 0:00:14]} Kg7 {[%emt 0:00:16]} 35. Qc3 {[%emt 0:02:50]} Qa4 {[%emt 0:01:05]} 36. Qxe5+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:35]} 37. Qe6+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:06]} 38. a6 {[%emt 0:01:30] Weighted Error Value: White=0.32/Black=0.44} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.19"]
[White "Jimenez Jimenez, Dante Edgar"]
[Black "Sandoval Mercado, Carlos"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "1721"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,129,14,10,10,10,26,8,25,10,25,0,0,0,0,0,8,-39,-45,-36,-35,-60,-17,-13,-19,-15,0,0,8,0,3,4,46,0,8,-50,-50,-50,-50,-50,-50,-110,-21,-56,-29,-33,-26,-97,-95,-93,-106,-118,-118,-278,-278,-314,-311,-324,-349,-350,-351,-558,0,-341,-314,-349,-314,-336,-299,-415,-338,-346,-394,-354,-284,-339,-316,-331,0,-311,-311,-311,-311,-311,-306,-303,-302,-281,-264,-29953,-29957,-29957,-29958,-29958,-29958,-29958,-29959,-29958,-29959,-29961,-29962,-29962,-29963,-29974,-29975,-29959,-7233,-29979,-29979,-29979,-29980,-29981,-29982,-29981]} 1. d4 {[%emt 0:00:46]} Nf6 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:04]} g6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:31]} Bg7 {[%emt 0:00:04]} 4. e4 {[%emt 0:00:17]} d6 {[%emt 0:00:01]} 5. f3 {[%emt 0:00:18]} O-O {[%emt 0:00:07]} 6. Be3 {[%emt 0:00:08]} c5 {[%emt 0:01:20]} 7. dxc5 {[%emt 0:00:33]} dxc5 {[%emt 1:32:16]} 8. Qxd8 {[%emt 0:00:34]} Rxd8 {[%emt 0:00:00]} 9. Bxc5 {[%emt 0:00:18]} Nc6 {[%emt 0:00:00]} 10. Rd1 {[%emt 0:02:29]} Rxd1+ {[%emt 0:00:00] E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6).} 11. Kxd1 {[%emt 0:01:05] The main line 11.Kxd1 scores better than 11.Nxd1.} b6 {[%emt 0:00:00]} 12. Ba3 {[%emt 0:00:58]} Ba6 {[%emt 0:00:00] The position is equal.} 13. Nh3 {[%emt 0:03:49]} Rd8+ {[%emt 0:00:00]} 14. Kc1 {[%emt 0:01:02] [#]} Nd7 $146 {[%emt 0:00:00]} ({Predecessor:} 14... Bh6+ 15. Kb1 e6 16. Be2 Rd2 17. Rd1 Nd4 18. Bf1 Nd7 19. b3 Rxd1+ 20. Nxd1 f5 21. exf5 exf5 {1-0 (42) Le Grix de la Salle,J (1897)-Ernouf,A (1928) Montigny le Bretonneux 2008}) 15. Nd5 {[%emt 0:03:09]} e6 {[%emt 0:00:00]} 16. Nb4 {[%emt 0:01:24]} Bh6+ {[%emt 0:00:00]} 17. Kb1 {[%emt 0:00:12]} (17. Kc2 $1 $11 Nd4+ 18. Kb1) 17... Nxb4 {[%emt 0:00:00]} 18. Bxb4 {[%emt 0:00:09]} Ne5 {[%emt 0:00:00] White must now prevent ...Rd1+.} 19. Be2 {[%emt 0:05:06] Prevents Rd1+.} Nxc4 {[%emt 0:00:00][%cal Oc4a3]} 20. Re1 $1 {[%emt 0:22:56]} Nd2+ {[%emt 0:00:00]} 21. Kc2 $1 {[%emt 0:03:35]} Bxe2 {[%emt 0:00:00]} 22. Rxe2 {[%emt 0:00:08][%cal Rb4d2]} Nf1 {[%emt 0:00:00]} 23. g3 {[%emt 0:01:52]} Ne3+ {[%emt 0:00:00]} 24. Kb3 {[%emt 0:01:33]} b5 {[%emt 0:00:00]} 25. Rd2 {[%emt 0:03:13]} (25. f4 $14 Ng4 26. e5) 25... Ra8 {[%emt 0:00:00]} 26. Ba5 {[%emt 0:02:06]} (26. f4 $11) 26... Nc4 $36 {[%emt 0:00:00][%mdl 2048] Black fights for an advantage.} 27. Rd8+ {[%emt 0:00:13]} Rxd8 {[%emt 0:00:00]} 28. Bxd8 {[%emt 0:00:02][%mdl 4096] Endgame KBN-KBN} Bf8 {[%emt 0:00:00] aiming for ...Nd2+.} 29. Bg5 {[%emt 0:01:09] [#] Prevents Nd2+.} ({White should try} 29. Kc2 $15) 29... Bc5 {[%emt 0:03:20]} ({Black should play} 29... Ne5 $1 $17 {[%cal Re5f3]} 30. f4 Nf3) 30. a4 {[%emt 0:05:47]} a6 {[%emt 0:02:08]} 31. axb5 {[%emt 0:00:24]} axb5 {[%emt 0:00:01]} 32. Kc3 {[%emt 0:00:44] [#]} (32. Bf4 $11 {remains equal.}) 32... Ne5 $1 $17 {[%emt 0:00:32] &Nero is more active. Black converts the advantage convincingly.} 33. f4 {[%emt 0:09:25]} Ng4 {[%emt 0:00:05]} 34. e5 {[%emt 0:02:20] Prevents f6.} Nxh2 {[%emt 0:00:24]} 35. Bh6 $2 {[%emt 0:00:36]} (35. Kd3 $17) 35... Nf1 $19 {[%emt 0:01:07]} 36. g4 {[%emt 0:01:28]} Ne3 {[%emt 0:00:19]} 37. g5 {[%emt 0:00:42]} Nd5+ {[%emt 0:03:02]} 38. Kd3 {[%emt 0:00:37]} Bb6 {[%emt 0:00:16]} 39. Ke4 {[%emt 0:01:53]} (39. b3 $142) 39... Bc5 {[%emt 0:02:02] Hoping for ...Nb4.} 40. Kd3 $1 {[%emt 0:01:02]} Nb4+ {[%emt 0:00:33]} 41. Ke2 {[%emt 0:02:24]} Bd4 {[%emt 0:00:15]} 42. b3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:29] ...Na5 is the strong threat.} 43. Kd3 {[%emt 0:00:20]} Ba7 {[%emt 0:00:35]} 44. Kc3 {[%emt 0:00:40]} Bc5 {[%emt 0:00:01]} 45. Kd3 {[%emt 0:00:25]} Nb4+ {[%emt 0:00:48]} 46. Ke2 {[%emt 0:00:44]} Bb6 {[%emt 0:01:09]} 47. Kd2 {[%emt 0:01:27]} Bc5 $2 {[%emt 0:00:58]} (47... Ba7 $19 {Threatens to win with ...Bb6.} 48. Kc3 Nc6) 48. Kc3 $2 {[%emt 0:01:04][%mdl 8192]} (48. Ke2 $1 $11) 48... Nd5+ {[%emt 0:00:07]} 49. Kd3 {[%emt 0:00:11]} Ne7 {[%emt 0:00:05]} 50. Ke2 {[%emt 0:00:49]} Nf5 {[%emt 0:00:02] Strongly threatening ...Nd4+.} 51. Kd3 {[%emt 0:00:24]} Nh4 {[%emt 0:01:42]} 52. Ke2 {[%emt 0:01:20]} Bb6 {[%emt 0:00:06]} ({Don't blunder} 52... Nf5 $2 53. Kd2 $19) 53. Nf2 $2 {[%emt 0:01:16]} (53. Kd3 $19) 53... Bxf2 {[%emt 0:00:33]} ({Weaker is} 53... Nf5 54. Ng4 $17) 54. Kxf2 {[%emt 0:00:01] KB-KN} Nf5 {[%emt 0:00:08]} 55. Ke1 {[%emt 0:02:01]} Nd4 {[%emt 0:00:06]} 56. Kd2 {[%emt 0:00:30]} Nxb3+ {[%emt 0:01:15]} 57. Kc3 {[%emt 0:00:01]} Nc5 {[%emt 0:00:05]} 58. Kb4 {[%emt 0:00:12]} Nd3+ {[%emt 0:00:05]} 59. Kxb5 {[%emt 0:00:02]} Nxf4 {[%emt 0:00:05]} 60. Kc5 {[%emt 0:00:41]} Nd5 {[%emt 0:01:04]} 61. Kd6 {[%emt 0:00:39]} Ne3 {[%emt 0:00:21] ( -> ...Nf5+)} 62. Kc5 {[%emt 0:01:54]} Nf5 {[%emt 0:00:06] Black mates.} 63. Kc4 {[%emt 0:00:43]} Nxh6 {[%emt 0:00:21]} 64. gxh6 {[%emt 0:00:07]} f6 {[%emt 0:00:02]} 65. Kd4 {[%emt 0:20:21] Weighted Error Value: White=0.49/Black=0.25 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.20"]
[White "Diaz Villagran, Robert"]
[Black "Baeza, Patricio"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2318"]
[BlackElo "1711"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,73,35,50,53,46,62,54,64,65,61,70,87,68,72,64,69,97,79,66,68,77,64,68,70,68,83,108,15,341,336,477,480,456,467,440,442,1006,707,5481,972,1005,990,969,949,842,817,2589,2593,1826,2190,1848,1791,29996,29997]} 1. e4 {[%emt 0:01:16]} c5 {[%emt 0:01:37][%cal Bc7c5,Bc5d4][%mdl 32]} 2. c3 {[%emt 0:00:27]} Nf6 {[%emt 1:29:53]} 3. e5 {[%emt 1:30:17]} Nd5 {[%emt 0:00:30]} 4. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:30]} 5. Nf3 {[%emt 0:01:00]} d6 {[%emt 0:00:30]} 6. Bc4 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} 7. Bb3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 8. exd6 {[%emt 0:00:30]} e6 {[%emt 0:00:00]} 9. cxd4 {[%emt 0:00:00]} Bxd6 {[%emt 0:00:00]} 10. O-O {[%emt 0:00:00]} O-O {[%emt 0:01:30]} 11. Nc3 {[%emt 0:01:30]} a6 {[%emt 0:00:30]} 12. Re1 {[%emt 0:00:30] B22: Sicilian: 2 c3.} Nd5 {[%emt 0:00:30]} 13. Bc2 {[%emt 0:00:30]} Ncb4 {[%emt 0:00:30]} 14. Bb1 {[%emt 0:00:30] [#] White is slightly better.} Qc7 $146 {[%emt 0:00:30]} ({Predecessor:} 14... Nf6 15. Bg5 Nbd5 16. Ne5 h6 17. Bh4 Be7 18. Nxd5 exd5 19. Bxf6 Bxf6 20. a4 Bxe5 21. dxe5 Be6 22. Ra3 Rc8 {1-0 (37) Liascovich,L (2237)-Deleau,A Buenos Aires 2000}) 15. a3 {[%emt 0:00:30]} Nxc3 {[%emt 0:00:30]} 16. bxc3 {[%emt 0:00:30]} Nd5 {[%emt 0:00:30]} (16... Qxc3 $2 17. Bd2 Qc7 18. Bxb4 $18) 17. Qd3 $40 {[%emt 0:00:30][%csl Gb1][%cal Rd3h7][%mdl 128] Black is in trouble.} g6 {[%emt 0:00:30]} 18. c4 {[%emt 0:00:30][%cal Bc3c4,Bc4c5][%mdl 32]} Ne7 {[%emt 0:00:30]} 19. Bg5 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 20. c5 {[%emt 0:00:30]} (20. cxb5 axb5 21. Qxb5 Ra5 $11) 20... Bf4 {[%emt 0:00:30]} 21. Bxe7 {[%emt 0:00:30]} Qxe7 {[%emt 0:00:30]} 22. Qe4 {[%emt 0:00:30]} Bb8 {[%emt 0:00:00]} 23. Ba2 {[%emt 0:00:00]} ({Weaker is} 23. Qxa8 Bb7 24. Qxb7 (24. Rxe6 $2 fxe6 25. Qxb7 Qxb7 $19) 24... Qxb7 $17) 23... Qc7 {[%emt 0:00:00]} 24. Qh4 {[%emt 0:01:00] &Bianco is more active.} ({And not} 24. Qxa8 Bb7 25. Qxb7 Qxb7 $17) (24. Ne5 $16) 24... Bb7 $2 {[%emt 0:01:30][%mdl 8192] [#] This costs Black the game.} (24... Qf4 $11) 25. Ng5 $1 $18 {[%emt 0:00:30][%csl Gg5][%cal Rh4h7]} h5 {[%emt 0:00:30] [#]} (25... Qxh2+ $142 26. Qxh2 Bxh2+ 27. Kxh2 Rfd8) 26. Nxe6 $1 {[%emt 0:00:30][%mdl 512]} fxe6 {[%emt 0:00:30]} 27. Rxe6 {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} 28. Rxg6 {[%emt 0:00:30] Intending Rh6+ and mate.} Rf5 {[%emt 0:00:30]} (28... Qh7 $2 29. Bb1 Bf4 30. Rf6 Rxf6 31. Bxh7) (28... Qxh2+ $142 29. Qxh2 Bxh2+ 30. Kxh2 Be4) 29. Re1 {[%emt 0:00:30][%cal Oe1e5] White threatens Re5! and mate.} Kh7 {[%emt 0:00:30]} 30. Rge6 {[%emt 0:00:30]} (30. Rg3 $142 Bc8 31. Bb1) 30... Qxh2+ {[%emt 0:00:30]} 31. Qxh2 {[%emt 0:00:00]} Bxh2+ {[%emt 0:00:30]} 32. Kxh2 {[%emt 0:01:00]} Rxf2 {[%emt 0:00:30]} 33. Re7+ {[%emt 0:00:30]} Kh6 {[%emt 0:00:30]} 34. R1e6+ {[%emt 0:00:30]} Kg5 {[%emt 0:00:30]} 35. Rg7+ {[%emt 0:00:30]} Kh4 {[%emt 0:00:30]} 36. Rxb7 {[%emt 0:00:30][%cal Ob7g7] Threatening mate with Rg7!} Rxa2 {[%emt 0:00:30]} 37. Rg7 {[%emt 0:00:30] Weighted Error Value: White=0.13 (very precise) /Black=0.79} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.21"]
[White "Serrato, Rafael Antonio"]
[Black "Capo Vidal, Uriel"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1707"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,93,-16,-20,-71,0,0,0,0,7,0,12,14,0,0,8,0,0,0,0,-3,0,0,17,-16,31,-29,-35,-32,-43,-53,-42,-49,-32,-55,-26,-31,7,-20,89,84,183,177,296,251,260,256,306,300,285,288,366,346,397,394,428,424,384,375,29973,5502,5995,5302,2562,1639,1611,1442,1348,1102,1083,968,1345,1362,1377,1373,1306,1216,1121,776,1391,790,1338,1173,29986,29987,29987,29988]} 1. d4 {[%emt 0:04:18]} d5 {[%emt 0:10:50]} 2. Bf4 {[%emt 0:00:12]} Nf6 {[%emt 0:01:40]} 3. e3 {[%emt 0:00:07]} c5 {[%emt 0:00:13]} 4. c3 {[%emt 0:05:24]} Nc6 {[%emt 0:00:22]} 5. Bd3 {[%emt 0:03:40]} Qb6 {[%emt 0:02:15]} 6. Qc1 {[%emt 0:03:45] D00: 1 d4 d5: Unusual lines.} (6. b3 $11) 6... Bg4 {[%emt 0:02:59]} ({Black should play} 6... cxd4 $17 {White must now prevent ...e5.} 7. cxd4 Nb4) 7. h3 $11 {[%emt 0:01:38]} Bh5 {[%emt 0:01:46][%cal Rc5d4]} 8. Nd2 {[%emt 0:01:26] The position is equal.} Rc8 {[%emt 0:00:31][%cal Rc5d4]} 9. Qb1 {[%emt 0:00:36]} Bg6 {[%emt 0:02:11]} 10. Bxg6 {[%emt 0:00:14]} hxg6 {[%emt 0:00:03]} 11. Ngf3 {[%emt 0:00:17] [#]} cxd4 $146 {[%emt 0:08:52]} ({Predecessor:} 11... e6 12. O-O Be7 13. Ne5 Nxe5 14. Bxe5 cxd4 15. exd4 Bd6 16. Re1 O-O 17. Qc2 Bxe5 18. dxe5 {0-1 (54) Kraemer,M (2046)-Hofer,E (2208) Innsbruck 2018}) 12. exd4 {[%emt 0:01:16]} Qa6 {[%emt 0:01:16]} 13. Ne5 {[%emt 0:15:09]} Nxe5 {[%emt 0:06:02]} 14. Bxe5 {[%emt 0:08:20]} Nd7 {[%emt 0:01:18]} 15. Bg3 {[%emt 0:02:58]} Rc6 {[%emt 0:03:00]} 16. Qc2 {[%emt 0:15:50]} e5 {[%emt 0:03:08]} (16... g5 $11) 17. Nf3 {[%emt 0:05:12]} (17. Bxe5 $14 Re6 18. O-O-O) 17... e4 {[%emt 0:01:15]} 18. Ne5 {[%emt 0:00:27]} Nxe5 {[%emt 0:00:49]} 19. Bxe5 {[%emt 0:00:11]} f6 {[%emt 0:06:36][%cal Bf7f6,Bf6f5][%mdl 32]} 20. Bg3 {[%emt 0:02:17]} f5 {[%emt 0:04:34]} 21. Qe2 {[%emt 0:10:44]} Qa5 {[%emt 0:02:20][%cal Oc6c3]} 22. Be5 {[%emt 0:03:08]} g5 {[%emt 0:01:17]} 23. f3 {[%emt 0:00:58][%cal Bf2f3,Bf3e4,Be4f5][%mdl 32] [#] aiming for fxe4.} g4 {[%emt 0:02:33]} (23... Rxc3 $2 24. bxc3 Qxc3+ 25. Kf2 $18) (23... Bd6 $11) 24. fxe4 $16 {[%emt 0:01:35] White now steadily converts the win.} gxh3 {[%emt 0:20:19]} (24... fxe4 $16 {is a better defense.} 25. Qxg4 Qb5) 25. exf5 $18 {[%emt 0:06:24]} Kf7 {[%emt 0:00:27]} (25... hxg2 {was necessary.} 26. Qxg2 Rxh1+ 27. Qxh1 Rh6) 26. g4 {[%emt 0:01:55]} (26. Rxh3 Rxh3 27. gxh3 Rxc3 $16) 26... Be7 {[%emt 0:04:17]} 27. O-O {[%emt 0:05:59][%cal Oe5g7]} Qd8 {[%emt 0:13:07]} 28. Qf3 {[%emt 0:00:30]} Bh4 {[%emt 0:00:30]} 29. Rad1 {[%emt 0:00:30]} Rh7 {[%emt 0:00:30]} 30. Rd2 {[%emt 0:00:30]} Kg8 {[%emt 0:00:30]} 31. Re2 {[%emt 0:00:30]} (31. Rh2 Bg5 32. Rxh3 Rxh3 33. Qxh3 Rh6 $18) 31... Rhh6 {[%emt 0:00:30]} 32. Bf4 {[%emt 0:00:30]} Bg5 {[%emt 0:00:30]} 33. Rfe1 {[%emt 0:00:30]} ({But not} 33. Bxg5 Qxg5 34. Qxd5+ Kh7 $18) 33... Bxf4 $2 {[%emt 0:00:30]} (33... Rc8 $18 34. Bxg5 Qxg5 35. Qxd5+ Kh7) 34. Re8+ {[%emt 0:00:30]} Qxe8 {[%emt 0:00:30]} 35. Rxe8+ {[%emt 0:00:30]} Kf7 36. Rd8 {[%emt 0:00:30]} h2+ {[%emt 0:01:00]} 37. Kh1 {[%emt 0:00:30]} Rhd6 {[%emt 0:00:30]} 38. Rxd6 {[%emt 0:00:30]} Bxd6 {[%emt 0:00:30]} 39. Qxd5+ {[%emt 0:00:30][%mdl 4096] Endgame KQ-KRB} Kf6 {[%emt 0:00:30]} 40. c4 {[%emt 0:00:30][%cal Bc3c4,Bc4c5][%mdl 32]} Kg5 {[%emt 0:00:30]} 41. c5 {[%emt 0:00:30]} Bc7 {[%emt 0:00:30]} 42. Qe4 {[%emt 0:00:30] [#] And now d5 would win.} Bf4 {[%emt 0:00:30]} 43. Qg2 {[%emt 0:00:30]} Ra6 {[%emt 0:00:30]} 44. a3 {[%emt 0:00:30]} Ra4 {[%emt 0:00:30]} 45. Qh3 {[%emt 0:00:30] Hoping for Qh5+.} Rxd4 {[%emt 0:00:30]} 46. Qh5+ {[%emt 0:00:30]} Kf6 {[%emt 0:00:30]} 47. Qg6+ {[%emt 0:00:30] Weighted Error Value: White=0.16 (very precise) /Black=0.48} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.22"]
[White "Maass Garza R, Alejandro"]
[Black "Huerta Milan, Hector"]
[Result "1-0"]
[ECO "B73"]
[WhiteElo "2265"]
[BlackElo "1672"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,91,30,16,21,10,28,0,0,-3,0,0,-16,0,0,0,20,10,35,10,22,16,76,-11,81,82,108,104,107,7,0,-33,-33,-26,-31,-24,-22,-86,-93,-87,-82,-116,-123,-123,-118,-136,-107,-200,-60,-39,-47,-116,-132,-141,-148,-193,-152,-141,-152,-146,-114,-195,-27,-225,-222,-212,-14,-14,-14,-25,2,30,112,112,29998,29999]} 1. e4 {[%emt 0:06:02]} c5 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:17]} 3. d4 {[%emt 0:00:11]} cxd4 {[%emt 0:00:11]} 4. Nxd4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:46]} 5. Nc3 {[%emt 0:00:07]} d6 {[%emt 0:00:17]} 6. Be2 {[%emt 0:02:59]} Bd7 {[%emt 0:02:35]} 7. O-O {[%emt 0:00:34]} g6 {[%emt 0:00:07]} 8. Nb3 {[%emt 0:01:18]} Bg7 {[%emt 0:01:24]} 9. Be3 {[%emt 0:00:31]} O-O {[%emt 0:00:55]} 10. Qd2 {[%emt 0:00:23]} Re8 {[%emt 0:01:44] B73: Sicilian Dragon: Classical System without 9 Nb3.} 11. h3 {[%emt 0:00:35]} a6 {[%emt 0:00:45]} 12. a4 {[%emt 0:01:12]} Na5 {[%emt 1:27:19] [#] The position is equal.} 13. f4 $146 {[%emt 0:11:29]} ({Predecessor:} 13. Nxa5 Qxa5 14. Rfd1 Rac8 15. Qd3 Be6 16. Rdc1 Bc4 17. Qd1 Bxe2 18. Qxe2 Qb4 19. Bd2 {0-1 (31) Abdulov,O (2295)-Abbasov,F (2549) Baku 2010}) 13... Bc6 {[%emt 0:00:00]} 14. Nxa5 {[%emt 0:10:01]} Qxa5 {[%emt 0:00:00]} 15. b4 {[%emt 0:04:15]} Qc7 {[%emt 0:00:00]} 16. Bd3 {[%emt 0:01:36]} Rac8 {[%emt 0:00:00]} 17. Ra3 {[%emt 0:02:31]} Bd7 {[%emt 0:00:00]} 18. Ne2 {[%emt 0:05:37]} Bc6 {[%emt 0:00:00]} 19. Ng3 {[%emt 0:01:22]} Ra8 {[%emt 0:00:00]} (19... b5 $11) 20. Qf2 {[%emt 0:03:43]} (20. c4 $16) 20... Rf8 {[%emt 0:00:00]} (20... b5 $11) 21. c4 $1 $16 {[%emt 0:04:58]} Rfc8 {[%emt 0:00:00]} 22. Bb6 {[%emt 0:01:28]} Qb8 {[%emt 0:00:00]} 23. b5 {[%emt 0:03:36] &Bianco is more active.} (23. a5 $16) 23... Be8 $11 {[%emt 0:01:48]} 24. Bd4 {[%emt 0:02:46]} Nd7 {[%emt 0:02:04]} 25. Bxg7 {[%emt 0:02:11]} Kxg7 {[%emt 0:00:06]} 26. b6 {[%emt 0:00:29]} a5 {[%emt 0:01:21]} 27. h4 {[%emt 0:01:45]} (27. Ne2 $11 {remains equal.}) 27... Rc6 $1 $17 {[%emt 0:00:29]} 28. h5 {[%emt 0:01:12]} Qd8 $1 {[%emt 0:00:54]} 29. Kh2 {[%emt 0:04:46]} Qxb6 {[%emt 0:00:20]} 30. Qf3 {[%emt 0:01:06]} Qd4 {[%emt 0:01:19]} 31. Qg4 {[%emt 0:07:32]} Kf8 {[%emt 0:00:35]} 32. f5 {[%emt 0:00:48] [#]} (32. Be2 $17) 32... Qg7 {[%emt 0:00:29]} ({Not} 32... Ne5 33. Qh4 g5 34. Qxg5 $17) ({Black should play} 32... gxf5 $1 $19 33. Qxf5 (33. Nxf5 Qe5+ 34. Kh1 e6 $17) 33... Qf6) 33. fxg6 $15 {[%emt 0:01:42]} hxg6 {[%emt 0:00:11][%cal Bh7g6,Bg6g5][%mdl 32]} 34. Qf4 {[%emt 0:01:48]} (34. hxg6 $15 Nf6 35. Qf4) 34... g5 {[%emt 0:00:36]} 35. Qf2 {[%emt 0:01:38]} Ne5 $36 {[%emt 0:00:29][%mdl 2048] Threatens to win with ...Ng4+. Keeping White busy.} 36. Be2 {[%emt 0:00:19] Inhibits Ng4+.} Bd7 {[%emt 0:00:06]} (36... Nxc4 37. Ra2) 37. Nf5 {[%emt 0:00:45]} Bxf5 {[%emt 0:00:35]} 38. Qxf5 {[%emt 0:00:39][%cal Oh5h6]} Rd8 {[%emt 0:00:58]} ({Worse is} 38... Nxc4 {[#]} 39. h6 $1 Qe5+ 40. Rg3 Qxf5 41. Rxf5 $11) 39. h6 {[%emt 0:00:58]} (39. Rh3 $17 {was worth a try.}) 39... Qg6 $2 {[%emt 0:00:34]} ({Black should try} 39... Qxh6+ $19 40. Rh3 Qf6 41. Qxf6 exf6 42. Rxf6 Kg7) 40. Qh3 $2 {[%emt 0:01:27]} (40. Qxg6 $11 {and White has nothing to worry.} Nxg6 41. Rg3) 40... Kg8 $19 {[%emt 0:00:14]} 41. Rg3 {[%emt 0:00:24]} Kh7 $2 {[%emt 0:00:46]} (41... Rc5 $19 {aiming for ...b6.} 42. Kg1 e6) 42. Bh5 $1 $11 {[%emt 0:00:45]} Qxh6 {[%emt 0:00:13] ...Kg7 is the strong threat.} 43. Qf5+ {[%emt 0:00:20]} Kh8 {[%emt 0:00:47] And now ...g4 would win.} 44. Rh3 $1 {[%emt 0:00:52]} Kg7 {[%emt 0:00:33]} (44... Rxc4 $2 45. Bxf7 Qxh3+ 46. Qxh3+ Kg7 47. Qf5 Rh8+ 48. Kg1 $18) (44... e6 $11 {keeps the balance.} 45. Qf2 Kg7) 45. Bxf7 $16 {[%emt 0:00:25][%mdl 64] Discovered Attack. Chess con chili.} Qf6 {[%emt 0:00:17][%mdl 8192]} (45... e6 $16 46. Bxe6 Qg6) 46. Qh7+ {[%emt 0:00:08] Weighted Error Value: White=0.30/Black=0.51} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.23"]
[White "Almendarez Verdin, Manuel Adan"]
[Black "Morales Garcia, Sergio Joshafatt"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "1662"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,112,5,0,4,0,0,0,7,-12,-8,-12,-6,-34,14,-94,0,0,44,13,15,12,50,32,58,35,54,54,61,50,51,50,81,50,46,30,59,21,29,25,50,10,14,14,13,10,14,3,16,9,26,12,12,10,12,15,16,15,23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1033,0,8,8,167,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:04:16]} d5 {[%emt 0:00:03]} 2. c4 {[%emt 0:00:15]} c6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:07]} 4. Nf3 {[%emt 0:00:23]} e6 {[%emt 0:00:24]} 5. e3 {[%emt 0:00:36]} Nbd7 {[%emt 0:00:15]} 6. b3 {[%emt 0:01:08]} Bb4 {[%emt 0:05:13]} 7. Bd2 {[%emt 0:01:52]} O-O {[%emt 0:02:15]} 8. Bd3 {[%emt 0:00:12]} Re8 {[%emt 0:15:33] D45: Semi-Slav: 5 e3.} 9. O-O {[%emt 0:05:17][%cal Oc3d5]} dxc4 {[%emt 0:09:05]} 10. bxc4 {[%emt 0:08:24]} e5 {[%emt 0:03:27] Strongly threatening ...Bxc3.} 11. dxe5 {[%emt 0:06:35]} Nxe5 {[%emt 0:01:45]} 12. Nxe5 {[%emt 0:00:17]} Rxe5 {[%emt 0:00:12]} 13. Qc2 {[%emt 0:01:41] [#]} Bf8 $146 {[%emt 0:18:50]} (13... Rh5 $15 {is more appropriate.}) ({Predecessor:} 13... Rh5 14. Ne2 Bxd2 15. Qxd2 Ne4 16. Qc2 Qh4 17. h3 Ng5 18. Nf4 Nf3+ 19. Kh1 Bxh3 20. gxh3 {0-1 (49) Andersen,J (2264)-Alascio Ruiz,J (2216) ICCF email 2017}) 14. h3 {[%emt 0:01:29] [#]} (14. Rfd1 $11) 14... Re8 {[%emt 0:10:25]} (14... Bxh3 $1 $17 {And now ...Rg5 would win.} 15. Ne2 (15. gxh3 $2 Rg5+ 16. Kh2 Ng4+ 17. Kh1 Rh5 $19) 15... Bc8) 15. Rad1 {[%emt 0:00:31]} Be6 {[%emt 0:02:09]} 16. Bc1 {[%emt 0:00:34][%cal Od3h7]} Qa5 {[%emt 0:01:34]} 17. Ne2 {[%emt 0:03:37]} h6 {[%emt 0:04:39]} 18. Nf4 {[%emt 0:01:26]} Rad8 {[%emt 0:04:00]} 19. Bb2 {[%emt 0:00:43]} Nd7 {[%emt 0:02:30][%cal Bf6d7,Bd7c5,Bc5e4][%mdl 32]} 20. Nxe6 {[%emt 0:03:50]} Rxe6 {[%emt 0:00:19]} 21. Bh7+ {[%emt 0:00:45] This bishop pair is nice.} Kh8 {[%emt 0:00:05]} 22. Bf5 {[%emt 0:00:18]} Rd6 {[%emt 0:01:45]} 23. Rxd6 {[%emt 0:08:52]} Bxd6 {[%emt 0:00:05]} 24. Rd1 {[%emt 0:04:54]} Nc5 {[%emt 0:02:14]} 25. Bg4 {[%emt 0:04:09][%cal Od1d6]} Kg8 {[%emt 0:04:40]} 26. g3 {[%emt 0:02:00]} Be7 {[%emt 0:03:59]} 27. Qc3 {[%emt 0:06:22][%csl Gb2][%cal Rc3g7]} Rxd1+ {[%emt 0:02:17]} 28. Bxd1 {[%emt 0:00:12][%csl Gb2][%cal Rc3g7]} Qxc3 {[%emt 0:01:08]} 29. Bxc3 $11 {[%emt 0:00:07][%mdl 4096] Endgame KBB-KBN} Ne4 {[%emt 0:01:13]} 30. Be1 {[%emt 0:00:35]} Bc5 {[%emt 0:02:59]} 31. Kg2 {[%emt 0:01:09]} Kf8 {[%emt 0:00:17]} 32. Kf3 {[%emt 0:01:03]} Nd6 {[%emt 0:00:03]} 33. Be2 {[%emt 0:00:12]} Ke7 {[%emt 0:00:28]} 34. Bc3 {[%emt 0:00:38]} f6 {[%emt 0:00:26]} 35. Bd3 {[%emt 0:00:09]} Nf7 {[%emt 0:01:09]} 36. Ke2 {[%emt 0:00:20]} Ne5 {[%emt 0:00:36]} 37. Bd4 {[%emt 0:02:12]} Bxd4 {[%emt 0:01:57]} 38. exd4 {[%emt 0:00:02]} Nxd3 {[%emt 0:00:19]} 39. Kxd3 {[%emt 0:00:10] KP-KP} b5 {[%emt 0:00:40]} 40. a4 {[%emt 0:02:55]} a6 {[%emt 0:00:44]} 41. Kc3 {[%emt 0:01:42]} Kd6 {[%emt 0:00:10]} 42. Kb4 {[%emt 0:00:12]} bxc4 {[%emt 0:00:36]} 43. Kxc4 {[%emt 0:00:23] Black must now prevent g4.} a5 $2 {[%emt 0:00:40][%mdl 8192] [#]} (43... f5 $11) 44. f3 $2 {[%emt 0:00:43]} (44. g4 $1 $18 g6 45. h4) 44... g6 {[%emt 0:00:24]} 45. h4 {[%emt 0:03:27]} f5 $2 {[%emt 0:00:17] [#]} (45... h5 $11) 46. f4 $2 {[%emt 0:10:42]} (46. g4 $1 $18) 46... h5 {[%emt 0:00:34] The position is equal.} 47. Kc3 $1 {[%emt 0:00:02]} Ke6 {[%emt 0:00:31]} (47... Kd5 $5 48. Kd3 c5 49. dxc5 Kxc5 $11) 48. Kc4 {[%emt 0:01:01] Threatening mate with Kc5.} Kd6 {[%emt 0:00:08]} 49. Kc3 $1 {[%emt 0:00:12] Intending Kc4 and mate.} Kd5 {[%emt 0:00:35]} 50. Kd3 {[%emt 0:16:49]} Ke6 {[%emt 0:00:59]} 51. Kc3 {[%emt 0:00:00]} Kd5 {[%emt 0:00:30]} 52. Kd3 {[%emt 0:00:00]} c5 {[%emt 0:00:17]} 53. dxc5 {[%emt 0:00:00]} Kxc5 {[%emt 0:00:02]} 54. Kc3 {[%emt 0:00:00]} Kd5 {[%emt 0:00:04]} 55. Kd3 {[%emt 0:00:00]} Kc5 {[%emt 0:00:22] ( -> ...Kb4)} 56. Kc3 {[%emt 0:00:00]} Kd5 {[%emt 0:00:04] Weighted Error Value: White=0.25 (precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.13"]
[Round "1.24"]
[White "Tapie Amione, Pablo Adib"]
[Black "Gomez Vazquez, Enrique"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "2241"]
[BlackElo "1661"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,71,54,66,43,56,41,58,31,119,110,114,79,150,143,142,137,157,132,176,63,133,136,254,58,66,72,91,77,79,81,83,65,72,104,89,86,84,101,128,93,189,209,164,96,106,48,52,56,487,474,497,211,29994,29995,29995,29996]} 1. e4 {[%emt 0:05:02]} c5 {[%emt 0:10:44]} 2. Nf3 {[%emt 0:00:45]} d6 {[%emt 0:00:38]} 3. d4 {[%emt 0:00:38]} cxd4 {[%emt 0:00:19]} 4. Nxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:17]} 5. Nc3 {[%emt 0:00:08]} a6 {[%emt 0:00:13]} 6. Bg5 {[%emt 0:00:39]} e6 {[%emt 0:00:25]} 7. f4 {[%emt 0:00:20]} Be7 {[%emt 0:01:52]} 8. Qf3 {[%emt 0:00:12]} Qb6 {[%emt 0:04:04]} 9. O-O-O {[%emt 0:02:32]} Nc6 {[%emt 0:02:33]} 10. Nb3 {[%emt 0:02:57] B98: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7, sidelines.} Bd7 {[%emt 0:04:02]} 11. Bh4 {[%emt 0:07:00]} Qc7 {[%emt 0:07:23]} 12. g4 {[%emt 0:02:19][%cal Bg2g4,Bg4g5][%mdl 32] [#] White is slightly better.} O-O-O $146 {[%emt 0:03:41]} (12... O-O $14) ({Predecessor:} 12... h6 13. Bg3 e5 14. f5 Rc8 15. Kb1 Na5 16. h4 Bc6 17. Bd3 Nd7 18. Nxa5 Qxa5 {1-0 (58) Almasi,Z (2713)-Aagaard,J (2517) Istanbul 2012}) 13. g5 $16 {[%emt 0:01:26]} Ne8 {[%emt 0:00:37]} 14. Bf2 {[%emt 0:00:11]} Kb8 {[%emt 0:01:27]} (14... h6 $142) 15. Rg1 {[%emt 0:06:29]} f6 {[%emt 0:02:13]} 16. h4 {[%emt 0:04:28] 0x0.001a398f4a34dp-1022s more active pieces.} Rf8 {[%emt 0:02:30]} 17. Qe3 {[%emt 0:01:01]} fxg5 {[%emt 0:06:42]} 18. fxg5 {[%emt 0:07:22]} (18. hxg5 $18 {Threatens to win with Bh3.} h6 19. gxh6) 18... h6 {[%emt 0:10:54]} (18... b5 $14) 19. Bb5 {[%emt 0:07:33]} Rc8 {[%emt 0:05:18]} (19... axb5 $2 20. Nxb5 Qc8 21. Na5 $1 {[%mdl 512]}) (19... hxg5 $16 20. hxg5 (20. Bxc6 bxc6 21. hxg5 Bc8 $14) 20... Bc8) 20. Be2 $2 {[%emt 0:10:54]} ({Weaker is} 20. gxh6 axb5 21. hxg7 Rg8 $16) (20. Bxc6 $18 bxc6 21. e5 (21. gxh6 Bf6 $18)) 20... hxg5 {[%emt 0:04:57]} 21. hxg5 {[%emt 0:00:04]} Qd8 {[%emt 0:05:39][%cal Oe7g5]} 22. Be1 {[%emt 0:02:37]} Nc7 {[%emt 0:05:43]} 23. Kb1 {[%emt 0:02:07]} e5 {[%emt 0:03:26]} 24. Nd5 {[%emt 0:05:08]} Nxd5 {[%emt 0:16:53]} 25. exd5 {[%emt 0:00:06]} Nd4 {[%emt 0:00:00]} 26. Nxd4 {[%emt 0:02:15]} exd4 {[%emt 0:00:00]} 27. Rxd4 {[%emt 0:00:53] And now Re4 would win.} Bf5 {[%emt 0:00:00] Inhibits Re4.} 28. Bc3 {[%emt 0:01:12][%cal Oe2a6]} g6 {[%emt 0:00:00]} (28... Rh8 $16 {was necessary.}) 29. Rb4 $1 $18 {[%emt 0:00:18] Bxa6 is the strong threat.} Ka8 {[%emt 0:00:00] [#]} 30. Bc4 {[%emt 0:02:35]} (30. Bxa6 $1 $18 {[%mdl 512]} bxa6 31. Rb6) 30... Qd7 $16 {[%emt 0:00:00]} 31. Bd4 {[%emt 0:04:44]} (31. Bd3 $16) 31... a5 $1 $14 {[%emt 0:00:00]} 32. Qa3 $40 {[%emt 0:00:04][%mdl 128] White has some attack.} Bxc2+ $2 {[%emt 0:00:31][%mdl 8192] A mistake that costs the game.} 33. Kxc2 $18 {[%emt 0:03:17]} ({But not} 33. Kc1 $2 {[#]} Bd8 $1 34. Kxc2 Rf4 $19) 33... Qf5+ {[%emt 0:00:31]} 34. Kb3 {[%emt 0:00:04]} (34. Kd1 $142 Bd8 35. Ra4) 34... Rxc4 $2 {[%emt 0:01:49]} (34... Bd8 $18) 35. Qxa5+ {[%emt 0:00:08]} ({Worse is} 35. Kxc4 Rc8+ 36. Kb5 Rc6 37. Qxa5+ Ra6 38. Qxa6+ bxa6+ 39. Kxa6 Qd3+ 40. Kb6 Bd8+ 41. Kc6 Qe2 42. Ra4+ Kb8 $11) 35... Kb8 {[%emt 0:00:29]} 36. Ba7+ {[%emt 0:00:10] Weighted Error Value: White=0.48/Black=0.77} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.1"]
[White "Cori, Jorge"]
[Black "Diaz Villagran, Robert"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2650"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 25,137,19,30,7,41,35,31,29,43,7,0,5,40,40,40,40,40,40,40,36,40,36,40,36,59,11,11,11,11,11,11,0,0,0,18,0,0,0,0,-14,-14,0,0,0,0,0,0,0,0,0,-7,-7,-7,-7,0,0,0,0,0,-25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,147,35,138,118,118,118,118,117,117,117,117,117,117,66,66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:16]} 2. Nc3 {[%emt 0:00:13]} g6 {[%emt 0:00:55]} 3. g3 {[%emt 0:00:36]} Bg7 {[%emt 0:00:17]} 4. Bg2 {[%emt 0:00:05]} O-O {[%emt 0:00:29]} 5. Nf3 {[%emt 0:00:15]} d6 {[%emt 0:01:03]} 6. O-O {[%emt 0:00:15]} e5 {[%emt 0:00:36]} 7. d3 {[%emt 0:00:05]} Nc6 {[%emt 0:04:33]} 8. Rb1 {[%emt 0:00:16]} a5 {[%emt 0:00:09]} 9. a3 {[%emt 0:00:04]} h6 {[%emt 0:00:29]} 10. b4 {[%emt 0:01:02]} axb4 {[%emt 0:00:05]} 11. axb4 {[%emt 0:00:03]} Be6 {[%emt 0:00:19]} 12. b5 {[%emt 0:01:52]} Ne7 {[%emt 0:00:05]} 13. Bb2 {[%emt 0:00:06]} Qd7 {[%emt 0:08:31]} 14. Re1 {[%emt 0:01:15] A26: English Opening vs King's Indian with ...Nc6 and d3.} Rab8 {[%emt 0:12:22] [#]} 15. e4 $146 {[%emt 0:19:19][%cal Oc4c5]} ({Predecessor:} 15. Ra1 Nh7 16. Ra7 f5 17. e3 g5 18. Nd2 g4 19. f4 gxf3 20. Nxf3 Rf7 21. Ne2 Ng6 {½-½ (45) Trauth,M (2112)-Luciani,C (2261) Arco 2017}) 15... Nh7 {[%emt 0:07:26]} 16. Nd5 {[%emt 0:20:49] White is slightly better.} c6 {[%emt 0:12:16]} 17. Nxe7+ {[%emt 0:00:06]} Qxe7 {[%emt 0:00:02]} 18. Bc3 {[%emt 0:00:14]} c5 {[%emt 0:03:15]} 19. Ra1 {[%emt 0:00:34]} Bg4 {[%emt 0:08:43]} 20. h3 {[%emt 0:01:24]} Bxf3 {[%emt 0:00:15]} 21. Qxf3 {[%emt 0:00:12]} Ng5 {[%emt 0:00:08]} 22. Qe2 {[%emt 0:00:13]} Ne6 {[%emt 0:00:07]} 23. h4 {[%emt 0:00:55]} h5 {[%emt 0:03:13]} 24. Bh3 {[%emt 0:00:18]} Bh6 {[%emt 0:00:23]} 25. b6 {[%emt 0:03:53]} (25. Bxe6 $14 {deserves consideration.} Qxe6 26. Ra2) 25... Kh7 $11 {[%emt 0:04:08]} 26. Ra2 {[%emt 0:01:48]} Nd8 {[%emt 0:02:59]} 27. Kg2 {[%emt 0:06:56]} Nc6 {[%emt 0:07:19]} 28. Rh1 {[%emt 0:01:22]} Ra8 {[%emt 0:00:40]} 29. Rha1 {[%emt 0:02:01]} Rab8 {[%emt 0:01:43]} 30. Rb1 {[%emt 0:02:49]} Ra8 {[%emt 0:00:38]} 31. Raa1 {[%emt 0:00:09]} Rfb8 {[%emt 0:03:16]} 32. Rh1 {[%emt 0:03:35]} Ra6 {[%emt 0:03:07]} 33. Qb2 {[%emt 0:04:31]} Rba8 {[%emt 0:02:23]} 34. Rxa6 {[%emt 0:00:11]} Rxa6 {[%emt 0:00:06]} 35. Ra1 {[%emt 0:00:37]} Rxa1 {[%emt 0:00:08]} 36. Qxa1 {[%emt 0:00:20]} Qd8 {[%emt 0:00:02] Inhibits Qa8.} 37. Qb2 {[%emt 0:00:20]} Kg8 {[%emt 0:00:54]} 38. Kh2 {[%emt 0:02:16]} Kf8 {[%emt 0:01:04]} 39. Kg2 {[%emt 0:03:10]} Kg8 {[%emt 0:00:08]} 40. Kh2 {[%emt 0:01:21]} Kh7 {[%emt 0:01:41]} 41. Bg2 {[%emt 0:00:30]} Kg8 {[%emt 0:05:58]} 42. Bf3 {[%emt 0:00:21]} g5 {[%emt 0:00:52]} 43. hxg5 {[%emt 0:09:01]} Qxg5 {[%emt 0:00:08]} 44. Kh3 {[%emt 0:04:07]} h4 {[%emt 0:01:37]} 45. Qe2 {[%emt 0:09:07]} hxg3 {[%emt 0:01:42]} 46. fxg3 {[%emt 0:00:02]} Qd8 {[%emt 0:02:18]} 47. Bh5 {[%emt 0:00:26]} Qg5 {[%emt 0:03:29]} 48. Qf3 {[%emt 0:00:31]} Nd8 {[%emt 0:00:01]} 49. Be1 {[%emt 0:01:01]} Kf8 {[%emt 0:00:25]} 50. Bg4 {[%emt 0:02:17]} Ke7 {[%emt 0:00:30]} 51. Bc8 {[%emt 0:00:08]} Bg7 {[%emt 0:01:31] [#]} (51... Qc1 $11 52. Qf5 Ne6) 52. Bf2 {[%emt 0:00:51]} (52. Qf5 $1 $16 {[%cal Rf5g5]} Qxf5+ 53. exf5 (53. Bxf5 Ne6 $14)) 52... Bf6 {[%emt 0:00:32]} (52... Qc1 $14) 53. Be3 {[%emt 0:00:30]} Qg6 {[%emt 0:00:02]} 54. Qf5 {[%emt 0:01:34] Strongly threatening Qd7+.} Kf8 {[%emt 0:01:02]} 55. Kg2 {[%emt 0:00:47] Hoping for Qh3. Active counter play!} Kg7 {[%emt 0:00:34]} 56. Qh3 {[%emt 0:00:33] Bf5 is the strong threat.} Bg5 {[%emt 0:00:23] [#]} 57. Bf5 $1 {[%emt 0:00:08]} Qh6 {[%emt 0:00:47]} 58. Qg4 {[%emt 0:00:04]} (58. Bxg5 $16 Qxg5 59. Qh7+ Kf8 60. Qh8+ Ke7 61. Qh4) 58... Kf6 $14 {[%emt 0:00:15]} 59. Bf2 {[%emt 0:00:29]} (59. Bxg5+ $1 $14 Qxg5 60. Qh4) 59... Ne6 $11 {[%emt 0:00:25] The position is equal.} 60. Bxe6 {[%emt 0:01:22] The board is on fire.} fxe6 {[%emt 0:00:03]} 61. Qd1 {[%emt 0:00:06]} Qh8 {[%emt 0:01:05]} 62. Qa1 {[%emt 0:01:07]} Kf7 {[%emt 0:00:24]} 63. Be1 {[%emt 0:00:27]} Qh5 {[%emt 0:00:11] And now ...Qe2+ would win.} 64. Bf2 {[%emt 0:00:48]} Qe2 {[%emt 0:00:30]} 65. Qf1 {[%emt 0:00:35]} Qxf1+ {[%emt 0:00:20]} 66. Kxf1 {[%emt 0:00:04]} Bd8 {[%emt 0:00:04]} 67. Ke2 {[%emt 0:00:08]} Bxb6 {[%emt 0:00:07]} 68. Kf3 {[%emt 0:00:27]} Bd8 {[%emt 0:01:22]} 69. Kg4 {[%emt 0:00:09] Weighted Error Value: White=0.12 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.1"]
[White "Cruz Gomez, Miguel Angel"]
[Black "Cori, Jorge"]
[Result "*"]
[WhiteElo "2028"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,13,40,0]} 1. c4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:16]} 2. Nc3 {[%emt 0:00:13]} g6 {[%emt 0:00:55]} 3. g3 {[%emt 0:00:36]} Bg7 {[%emt 0:00:17]} 4. Bg2 {[%emt 0:00:05]} O-O {[%emt 0:00:29]} 5. Nf3 {[%emt 0:00:15]} d6 {[%emt 0:01:03]} 6. O-O {[%emt 0:00:15]} e5 {[%emt 0:00:36]} 7. d3 {[%emt 0:00:05] [#]} {Predecessor:} Nc6 $146 {A26: English Opening vs King's Indian with ...Nc6 and d3.} 8. Rb1 a5 9. a3 Re8 10. Bg5 h6 11. Bxf6 Bxf6 12. b4 axb4 13. axb4 Bg7 14. b5 Ne7 15. Nd2 c6 16. Qb3 Be6 17. Ra1 Rxa1 18. Rxa1 d5 19. bxc6 bxc6 20. cxd5 cxd5 21. Nb5 e4 22. d4 Qb6 23. e3 Rb8 24. Rb1 Nc6 {½-½ (43) Caruana,F (2765)-Onischuk,V (2603) Riga 2021} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.2"]
[White "Maass Garza R, Alejandro"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2265"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,70,4,14,9,11,14,28,7,11,13,44,-13,0,-8,-8,-32,-33,-43,-35,-56,-47,-51,-44,-75,-77,-82,-87,-162,-172,-145,-158,-254,-244,-404,-289,-273,-297,-281,-276,-316,-287,-274,-278,-308,-306,-381,-345,-397,-403,-791,-791,-735,-704,-717,-719,-1022,-979,-29985,-29986,-29970,-29971]} 1. e4 {[%emt 0:00:13]} c5 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:26]} Nc6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:24]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:06]} e6 {[%emt 0:00:05]} 5. c3 {[%emt 0:01:40]} d6 {[%emt 0:00:54]} 6. Bd3 {[%emt 0:01:06]} Nf6 {[%emt 0:00:15]} 7. O-O {[%emt 0:00:59] B40: Sicilian: 2...e6, Unusual lines.} Be7 {[%emt 0:00:33]} 8. Be3 {[%emt 0:02:35]} Ne5 $5 {[%emt 0:05:29][%mdl 4] [#] Leaves trodden paths.} 9. h3 $146 {[%emt 0:09:18] White has an edge.} ({Predecessor:} 9. Bc2 O-O 10. Nd2 a6 11. Qe2 Qc7 12. f4 Neg4 13. Kh1 Nxe3 14. Qxe3 Ne8 15. Rae1 {0-1 (77) Pereira,J (2099)-Deus Filho,J (1966) Ponta Grossa 2017}) 9... Nxd3 {[%emt 0:12:23]} 10. Qxd3 {[%emt 0:00:11]} O-O {[%emt 0:00:23]} 11. Nd2 {[%emt 0:02:10]} (11. c4 $14) 11... a6 {[%emt 0:01:11]} 12. Rad1 {[%emt 0:03:11]} Qc7 {[%emt 0:00:12]} 13. f4 {[%emt 0:11:16]} b5 {[%emt 0:00:33]} 14. Bf2 {[%emt 0:11:44]} Bb7 {[%emt 0:00:22]} 15. Rde1 {[%emt 0:02:49]} Nd7 {[%emt 0:02:49][%cal Bf6d7,Bd7c5,Bc5a4,Ba4b2][%mdl 32]} 16. Qg3 {[%emt 0:03:02]} Nc5 {[%emt 0:02:05]} 17. N4b3 {[%emt 0:08:33]} Na4 {[%emt 0:07:44] Black continues to play with concentration.} 18. Bd4 {[%emt 0:06:56][%csl Gd4][%cal Rg3g7] [#]} f6 {[%emt 0:00:45][%cal Bf7f6,Bf6f5][%mdl 32] White must now prevent ...e5.} 19. e5 {[%emt 0:00:55]} (19. Rb1 $17) 19... dxe5 $19 {[%emt 0:00:24]} ({And not} 19... Nxb2 20. exf6 Bxf6 21. Rxe6 Bxd4+ 22. Nxd4 $11) 20. fxe5 {[%emt 0:00:20][%cal Ob3a5]} Nxb2 {[%emt 0:03:51]} 21. Qe3 {[%emt 0:09:53]} (21. Rb1 $17 Na4 22. c4) 21... f5 {[%emt 0:00:07]} ({Stronger than} 21... Qc6 22. Rf2 $17) 22. Bc5 $2 {[%emt 0:01:45]} (22. Rc1) 22... Bd5 {[%emt 0:00:24]} 23. Bxe7 {[%emt 0:01:23]} Qxe7 {[%emt 0:00:05]} 24. Rf2 {[%emt 0:02:29]} Rac8 {[%emt 0:00:18][%cal Of5f4]} 25. Nf3 {[%emt 0:01:35]} Na4 {[%emt 0:00:54]} 26. Rc1 {[%emt 0:02:45]} Rc7 {[%emt 0:03:18]} 27. Nfd4 {[%emt 0:00:46]} Rfc8 {[%emt 0:03:57][%cal Ra4c3]} 28. Qd2 {[%emt 0:01:52][%cal Od4f5]} Bxb3 {[%emt 0:04:02]} 29. axb3 {[%emt 0:03:23]} Nxc3 {[%emt 0:00:06] [#] ...Ne4 is the strong threat.} 30. Kh2 {[%emt 0:00:21]} (30. Qd3 $142 Qd8 31. Rfc2 Ne2+ 32. Qxe2 Qxd4+ 33. Kf1 Qf4+ 34. Kg1 Qd4+ 35. Kf1 Qf4+ 36. Kg1 Qd4+) 30... Ne4 {[%emt 0:00:13][%csl LRc1,LRd2,LRf2]} 31. Nxf5 {[%emt 0:00:11]} exf5 {[%emt 0:00:16]} (31... Nxd2 $2 32. Nxe7+ Kh8 33. Nxc8 $18) 32. Qd5+ {[%emt 0:00:05]} Qf7 {[%emt 0:23:23]} 33. e6 {[%emt 0:06:56]} Qe7 {[%emt 0:00:05]} 34. Rfc2 {[%emt 0:00:13]} Rxc2 {[%emt 0:01:45]} 35. Rxc2 {[%emt 0:00:07]} Rxc2 {[%emt 0:28:46] Weighted Error Value: White=0.82/Black=0.08 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.3"]
[White "Hernandez Guerrero, Gilberto"]
[Black "Tapie Amione, Pablo Adib"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2564"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,91,63,51,49,38,25,31,39,43,61,39,30,15,0,-14,0,0,0,0,28,20,29,-35,-50,-35,-56,-41,-38,-52,0,0,0,-14,0,-1,325,316,303,295,235,233,225,233,387,325,883,876,811,323,637,486,595,302,590,281,631,483,473,472,452,427,401,382,361,362,339,346,391,377,365,309,394,371,456,462,461,456,518,451,888,803,29979,29980]} 1. e4 {[%emt 0:00:24]} c6 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:01:48]} d5 {[%emt 0:00:16]} 3. Nc3 {[%emt 0:00:10]} dxe4 {[%emt 0:00:42]} 4. Nxe4 {[%emt 0:00:09]} Nf6 {[%emt 0:01:14]} 5. Nxf6+ {[%emt 0:04:28]} gxf6 {[%emt 0:00:07]} 6. g3 {[%emt 0:01:06]} Qd5 {[%emt 0:00:12] B11: Caro-Kann: Two Knights Variation.} 7. d3 {[%emt 0:02:16]} Bg4 {[%emt 0:03:23]} 8. Bg2 {[%emt 0:00:07]} Nd7 {[%emt 0:00:20] White is slightly better.} 9. h3 {[%emt 0:00:22]} Bh5 {[%emt 0:02:29]} 10. Qe2 {[%emt 0:00:26] [#]} e6 $146 {[%emt 0:09:31]} ({Predecessor:} 10... Ne5 11. g4 Bg6 12. Nh4 Qa5+ 13. Bd2 Qa4 14. f4 Qxc2 15. fxe5 Bxd3 16. Qe3 Qxb2 {1-0 (23) Bryant,J (2377)-Huang,D Woodland Hills 2012}) 11. Bd2 {[%emt 0:02:03] Prevents Bb4.} O-O-O {[%emt 0:04:43]} 12. a4 {[%emt 0:16:14]} f5 {[%emt 0:15:57]} 13. O-O {[%emt 0:04:09]} Rg8 {[%emt 0:01:24]} 14. Rfe1 {[%emt 0:08:45]} Bc5 {[%emt 0:14:21] Strongly threatening ...Rxg3.} 15. Kh2 {[%emt 0:04:52]} e5 {[%emt 0:00:26][%cal Oe5e4]} 16. c4 {[%emt 0:06:25]} (16. b4 $1 $11 e4 17. dxe4 fxe4 18. c4) 16... Qd6 $15 {[%emt 0:01:55][%cal Oe5e4] And now ...e4! would win.} 17. b4 {[%emt 0:04:22]} Bxb4 {[%emt 0:08:54]} 18. Bxb4 {[%emt 0:01:00]} Qxb4 {[%emt 0:00:29]} 19. Rab1 $1 {[%emt 0:00:55]} Qa3 {[%emt 0:02:54]} (19... Qd6 $15 20. Qb2 Qc7) 20. Qe3 $11 {[%emt 0:00:52]} Qc5 {[%emt 0:12:33] White must now prevent ...Qxe3.} ({But not} 20... Bxf3 21. Qxa7 Kc7 22. Rxb7+ (22. Bxf3 Rb8 $16) 22... Kd6 23. Bxf3 $16) 21. d4 {[%emt 0:04:18]} exd4 {[%emt 0:05:07]} 22. Nxd4 $40 {[%emt 0:01:48][%mdl 128] White is up to no good.} Nb6 $2 {[%emt 0:03:03][%mdl 8192] [#] This costs Black the game.} (22... Rge8 $11 23. Qf4 (23. Qxe8 Rxe8 24. Rxe8+ Kc7 $17) 23... Rxe1 24. Rxe1 Nf8) 23. Nxc6 $1 $18 {[%emt 0:00:29][%mdl 512]} Qxe3 {[%emt 0:00:06]} 24. Nxa7+ {[%emt 0:00:09]} Kb8 {[%emt 0:00:11]} 25. Rxe3 {[%emt 0:00:15][%cal Oe3e7] aiming for Re7! Chess con chili.} Kxa7 {[%emt 0:00:10]} 26. Reb3 {[%emt 0:14:18]} Nxa4 {[%emt 0:00:18]} (26... Rd1 {might work better.}) 27. Ra1 {[%emt 0:00:34]} b5 {[%emt 0:00:05]} (27... Rd7 28. Rxa4+ Kb8) 28. Rxb5 {[%emt 0:01:32][%cal Ra1a4]} Bd1 {[%emt 0:00:04]} 29. Bd5 $2 {[%emt 0:00:27]} (29. Rab1 {[%cal Rb5a5]} Ka6 30. Bb7+ Ka7 {[#]} 31. Bf3 $1 {[%mdl 512]}) 29... Bc2 $2 {[%emt 0:00:47]} (29... Rb8) 30. Rb2 {[%emt 0:00:59]} Bd1 {[%emt 0:00:58]} 31. Rb4 {[%emt 0:03:07]} Bc2 {[%emt 0:02:28]} (31... Rb8 {keeps fighting.}) 32. Ra2 {[%emt 0:00:22]} (32. Rb7+ $142 Ka6 33. Rb2) 32... Bd1 $2 {[%emt 0:03:58]} (32... Rb8) 33. Rb1 {[%emt 0:00:51]} Rg6 {[%emt 0:01:24]} 34. Rxd1 {[%emt 0:00:41]} Ra6 {[%emt 0:00:01]} 35. Rda1 {[%emt 0:03:20]} Nc5 {[%emt 0:00:02]} 36. Bxf7 {[%emt 0:00:31]} Rxa2 {[%emt 0:01:56]} 37. Rxa2+ {[%emt 0:00:05][%mdl 4096] Endgame KRB-KRN} Kb6 {[%emt 0:00:02]} 38. Rb2+ {[%emt 0:00:49]} Kc6 {[%emt 0:00:14]} 39. Bd5+ {[%emt 0:00:11]} Kd6 {[%emt 0:00:01]} 40. Kg2 {[%emt 0:00:47]} f4 {[%emt 0:00:18]} 41. gxf4 {[%emt 0:02:57]} Rf8 {[%emt 0:00:11]} 42. Rb6+ {[%emt 0:00:15]} Ke7 {[%emt 0:00:34]} 43. Rh6 {[%emt 0:00:21]} Nd3 {[%emt 0:00:12]} 44. Rxh7+ {[%emt 0:00:07]} Kf6 {[%emt 0:00:14]} (44... Kd6 $142 45. Rf7 Rg8+ 46. Kf3 Rh8) 45. Kf3 {[%emt 0:01:22]} Nxf4 {[%emt 0:00:03]} 46. Kxf4 {[%emt 0:12:02] Weighted Error Value: White=0.43/Black=0.91} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.4"]
[White "Hernandez Guerrero, Eduardo"]
[Black "Cordova, Emilio"]
[Result "0-1"]
[ECO "B61"]
[WhiteElo "2232"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,70,58,44,61,13,22,1,0,0,0,0,44,11,24,27,72,17,43,0,27,27,33,24,25,32,37,19,75,0,10,-5,-13,-23,0,-107,-111,-127,-130,-135,-128,-115,-131,-120,-115,-154,-165,-228,-210,-222,-212,-283,-283,-260,-213,-391,-368,-529,-534]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:22]} 2. Nf3 {[%emt 0:00:16]} Nc6 {[%emt 0:00:38]} 3. Nc3 {[%emt 0:00:41]} d6 {[%emt 0:00:36]} 4. d4 {[%emt 0:00:12]} cxd4 {[%emt 0:00:07]} 5. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:13]} 6. Bg5 {[%emt 0:01:17]} Bd7 {[%emt 0:00:22]} 7. Qd2 {[%emt 0:04:00]} Rc8 {[%emt 0:00:26]} 8. Nb3 {[%emt 0:17:41]} a6 {[%emt 0:01:03] B61: Sicilian: Richter-Rauzer: 6...Bd7 7 Qd2.} 9. Be2 {[%emt 0:00:26]} (9. O-O-O $14) 9... e6 {[%emt 0:00:58]} 10. O-O {[%emt 0:05:43]} h6 {[%emt 0:08:52] The position is equal.} 11. Bf4 {[%emt 0:06:53]} Ne5 {[%emt 0:01:13]} 12. a4 {[%emt 0:06:20] [#]} g5 $146 {[%emt 0:05:25]} ({Predecessor:} 12... Bc6 13. Qe3 Be7 14. Bg3 O-O 15. a5 Ned7 16. Rfd1 e5 17. Nd2 Nc5 18. Nc4 Qc7 {½-½ (35) Quesada Perez,Y (2515)-Delgado Ramirez,N (2562) Santa Clara 2007}) 13. Bg3 {[%emt 0:02:23]} Rg8 {[%emt 0:03:07]} 14. Qd4 {[%emt 0:04:52]} Qc7 {[%emt 0:09:12]} 15. Rad1 {[%emt 0:03:05]} (15. f4 $1 $16 {[%cal Rf4e5]} gxf4 16. Rxf4) 15... Be7 {[%emt 0:02:34]} 16. Kh1 {[%emt 0:02:45]} h5 {[%emt 0:11:33]} 17. f4 {[%emt 0:01:04]} gxf4 {[%emt 0:04:30]} 18. Rxf4 {[%emt 0:00:50]} Rxg3 {[%emt 0:01:19]} 19. hxg3 {[%emt 0:01:28]} Nfg4 {[%emt 0:00:07]} 20. Rdf1 {[%emt 0:01:38][%cal Of4f7]} Bc6 {[%emt 0:00:37]} ({But not} 20... Bg5 21. Rxf7 $3 {[%mdl 512]} Nxf7 22. Qg7 $16) (20... f6 $11 {remains equal.}) 21. a5 {[%emt 0:06:23]} ({White should try} 21. Nd2 $16) 21... Bg5 $11 {[%emt 0:00:48]} 22. Nd2 {[%emt 0:09:46]} Rd8 {[%emt 0:08:49]} 23. b4 {[%emt 0:09:44]} Qe7 {[%emt 0:04:13]} (23... d5 $5 {[%cal Rd5e4]} 24. Bxg4 hxg4 25. exd5 Bxd5 26. Nxd5 Rxd5 $11) 24. Nc4 {[%emt 0:01:31]} (24. Kg1 $11) 24... Bxf4 $17 {[%emt 0:01:04] The board is on fire.} 25. Rxf4 {[%emt 0:00:10] [#]} Nxc4 $1 {[%emt 0:01:37]} 26. Qxc4 {[%emt 0:00:16]} Ne5 {[%emt 0:00:21]} 27. Qd4 {[%emt 0:00:51]} Qg5 {[%emt 0:01:54]} 28. Qf2 {[%emt 0:01:31]} Ke7 {[%emt 0:01:48]} 29. b5 {[%emt 0:03:51]} axb5 {[%emt 0:00:37]} 30. Bxb5 {[%emt 0:00:06]} (30. Nxb5 $142 Bxb5 31. Bxb5) 30... Rc8 {[%emt 0:02:51]} 31. Bd3 {[%emt 0:01:37]} Ra8 {[%emt 0:03:29][%cal Bc8a8,Ba8b8,Bb8b1][%mdl 32]} 32. a6 {[%emt 0:01:46]} bxa6 {[%emt 0:00:07]} 33. Ne2 {[%emt 0:00:05]} Rb8 {[%emt 0:02:35] Strongly threatening ...a5.} 34. Nd4 $2 {[%emt 0:01:05]} (34. Bxa6 Rb1+ 35. Ng1) 34... Rb1+ $19 {[%emt 0:00:35]} 35. Kh2 {[%emt 0:00:09]} (35. Bf1 {was forced.} Bb5 36. Nxb5 axb5 37. Kg1) 35... Be8 {[%emt 0:04:31] Weighted Error Value: White=0.37/Black=0.14 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.5"]
[White "Gonzalez Zamora, Juan Carlos"]
[Black "Avila Rodriguez, Joshua Ad"]
[Result "1/2-1/2"]
[ECO "E46"]
[WhiteElo "2544"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,58,-2,3,-11,-12,-14,-12,-2,-3,-12,-16,-13,-15,-17,-5,-11,9,-16,-7,-26,-8,-25,53,0,0,0,0,0,0,0,0,-51,-49,-47,-52,-49,-3,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:02:23]} Nf6 {[%emt 0:00:28]} 2. c4 {[%emt 0:00:29]} e6 {[%emt 0:00:13]} 3. Nc3 {[%emt 0:00:24]} Bb4 {[%emt 0:00:26]} 4. e3 {[%emt 0:00:17]} O-O {[%emt 0:00:33]} 5. Bd2 {[%emt 0:02:55]} d5 {[%emt 0:00:43]} 6. cxd5 {[%emt 0:00:28] E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3.} exd5 {[%emt 0:00:11]} 7. Bd3 {[%emt 0:00:26]} b6 {[%emt 0:06:59]} 8. a3 {[%emt 0:06:46] [#]} Bd6 $146 {[%emt 0:12:33]} ({Predecessor:} 8... Be7 9. Nge2 c5 10. b3 Bb7 11. O-O Nc6 12. Qc2 Rc8 13. Bf5 Ra8 14. Rfe1 g6 {0-1 (32) Ribes Peris,A (2052)-Nieves Cabanes,J (1939) Valencia 2014}) 9. b4 {[%emt 0:02:50]} Re8 {[%emt 0:18:36]} 10. Nf3 {[%emt 0:10:58]} a6 {[%emt 0:08:47]} 11. Qc2 {[%emt 0:00:51]} Bb7 {[%emt 0:02:44]} 12. O-O {[%emt 0:11:14]} Nbd7 {[%emt 0:00:38]} 13. Rab1 {[%emt 0:06:20]} Ne4 {[%emt 0:05:25]} 14. Bc1 {[%emt 0:03:24]} Re6 {[%emt 0:03:18]} 15. Ne2 {[%emt 0:03:55]} g5 {[%emt 0:04:11]} (15... Qe7 $11) 16. Ng3 {[%emt 0:10:01]} (16. Bb2 $14) 16... g4 $11 {[%emt 0:24:01]} 17. Ne5 {[%emt 0:10:35]} Nxe5 {[%emt 0:00:24]} 18. dxe5 {[%emt 0:00:46]} Bxe5 {[%emt 0:00:08]} 19. Bxe4 {[%emt 0:00:22]} dxe4 {[%emt 0:00:08]} 20. Bb2 {[%emt 0:00:07]} (20. Rd1 $1 $11 Qg5 21. Bb2) 20... Qd3 $15 {[%emt 0:01:43]} 21. Qd1 {[%emt 0:09:55]} Qxd1 {[%emt 0:03:53]} 22. Rfxd1 {[%emt 0:00:10]} Bxg3 {[%emt 0:01:04]} (22... Rc8 $15 {was preferrable.}) 23. fxg3 $11 {[%emt 0:05:06] The position is equal.} Rc8 {[%emt 0:00:54]} 24. Rf1 {[%emt 0:01:27]} Bd5 {[%emt 0:03:48]} 25. Rf4 {[%emt 0:10:51]} Rg6 {[%emt 0:00:15]} 26. Rd1 {[%emt 0:00:00]} c6 {[%emt 0:00:17]} 27. Bd4 {[%emt 0:00:00]} b5 {[%emt 0:00:52]} 28. Kf2 {[%emt 0:00:00]} Ra8 {[%emt 0:00:13]} 29. Bc3 {[%emt 0:00:00]} Kf8 {[%emt 0:00:16] Weighted Error Value: White=0.09 (flawless) /Black=0.12 (very precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.6"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Sierra Arballo, Jesus"]
[Result "*"]
[WhiteElo "2536"]
[BlackElo "1916"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,10,6,15]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:03:03]} 2. Nf3 {[%emt 1:31:25]} d6 {[%emt 0:00:00]} 3. Bb5+ {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 4. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 5. Qxd4 {[%emt 0:00:00]} a6 {[%emt 0:00:00] [#]} {Predecessor:} 6. Bxd7+ $146 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Bxd7 7. c4 Nf6 8. Bg5 e6 9. Nc3 h6 10. Bh4 Be7 11. e5 dxe5 12. Nxe5 Qc7 13. Nxd7 Qxd7 14. Qxd7+ Kxd7 {½-½ (44) Rapport,R (2763)-Wojtaszek,R (2686) Berlin 2022} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.6"]
[White "Gonzalez Arroyo, Lenin"]
[Black "Obregon Rivero, Juan Carlos"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2210"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,77,10,8,18,0,29,19,19,6,21,0,0,-34,0,-45,-29,-45,-17,-59,-49,-43,-57,-64,-1,-65,-25,-11,0,-2,-11,0,0,-44,-57,-108,-96,-116,-110,-92,-37,-91,0,0,0,0,29,25,47,0,0,0,0,-41,-41,-48,-35,-62,0,-47,-7,-56,7,23,234,206]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 1:31:00]} 2. Nf3 {[%emt 1:31:25]} d6 {[%emt 0:00:00]} 3. Bb5+ {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 4. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 5. Qxd4 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 6. Bxd7+ {[%emt 0:00:00]} Bxd7 {[%emt 0:00:00]} 7. O-O {[%emt 0:00:00]} e5 {[%emt 0:00:00] 7...Nf6 gains popularity.} 8. Qd3 {[%emt 0:00:00]} Rc8 {[%emt 0:00:00] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 9. Nc3 {[%emt 0:00:00] Against Bb5} Qc7 {[%emt 0:00:00]} (9... Be6 $5 {[%cal Re6c4]}) 10. Rd1 {[%emt 0:00:00]} h6 {[%emt 0:00:00] The position is equal.} 11. h3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00] [#]} 12. Nh4 $146 {[%emt 0:00:00]} ({Predecessor:} 12. a4 Be7 13. Be3 Be6 14. Nd2 O-O 15. a5 Qc6 16. Bb6 d5 17. exd5 Nxd5 18. Nf3 {0-1 (57) Myradow,S (2233)-Lopez Gonzalez,D (2193) Chess.com INT 2021}) 12... b5 {[%emt 0:00:00]} 13. a3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 14. g4 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 15. Ng2 $1 {[%emt 0:00:00]} Qc4 {[%emt 0:00:00]} 16. Qf3 {[%emt 0:00:00][%cal Od1d6]} Bc6 {[%emt 0:00:00][%cal Rf6e4]} 17. Ne3 {[%emt 0:00:00]} Qe6 {[%emt 0:00:47]} 18. a4 {[%emt 0:00:00]} bxa4 {[%emt 0:03:24]} ({Black should play} 18... b4 $1 $15 19. Ncd5 h5) 19. Ncd5 {[%emt 0:00:00]} (19. Ned5 $11) 19... Nxd5 {[%emt 0:02:26]} (19... h5 $5 {[%cal Rh5g4]} 20. g5 Nxd5 21. exd5 Bb7 $17) 20. exd5 {[%emt 0:00:00]} Bb7 {[%emt 0:00:14]} 21. Rxa4 {[%emt 0:00:00]} Qd7 {[%emt 0:00:06]} 22. b3 {[%emt 0:00:00]} h5 {[%emt 0:01:28]} 23. g5 {[%emt 0:00:00]} Bxg5 {[%emt 0:01:20]} 24. Nc4 {[%emt 0:00:00] [#]} (24. Bb2 $15) 24... Bxc1 $1 $17 {[%emt 0:00:49]} 25. Rxc1 {[%emt 0:00:00]} Qe7 {[%emt 0:00:38][%cal Oc8c4]} 26. Kh2 {[%emt 0:00:16]} Kf8 {[%emt 0:00:36]} (26... Rc5 $17 27. Ne3 f5) 27. Rb4 {[%emt 0:00:38]} ({White should try} 27. Nb6 $15) 27... Rc7 {[%emt 0:00:37]} ({Better is} 27... Rc5 $17 28. Ne3 Kg7) 28. Rb6 $11 {[%emt 0:01:27]} Rd7 {[%emt 0:00:26]} 29. Na5 {[%emt 0:00:38]} Bc8 {[%emt 0:00:33]} 30. Nc6 {[%emt 0:02:53][%mdl 1024] White has compensation.} Qh4 {[%emt 0:00:22]} 31. Rg1 $40 {[%emt 0:00:37][%mdl 128] White mounts an attack.} (31. Rb4 $1 $14 Qg5 32. Rg1) 31... e4 {[%emt 0:00:38]} 32. Qe3 {[%emt 0:01:33] Strongly threatening Rb4.} Kg7 {[%emt 0:00:21]} 33. Nd4 {[%emt 0:01:37] Black must now prevent Nf5+.} Qf6 {[%emt 0:00:29] Prevents Nf5+.} 34. c4 {[%emt 0:00:53]} Re8 {[%emt 0:00:39]} 35. Rg5 {[%emt 0:00:48]} Re5 {[%emt 0:00:27]} (35... Rc7 $15) 36. Rg2 {[%emt 0:02:35]} (36. Rxe5 $11 Qxe5+ 37. Kg2) 36... h4 {[%emt 0:01:10]} 37. Rg4 {[%emt 0:00:19]} (37. Rb8 $11 Re8 38. Nc6) 37... Rb7 {[%emt 0:00:00]} (37... Ra7 $1 $15 38. Rf4 Bf5) 38. Rf4 {[%emt 0:00:36][%mdl 64] [#] Deflection} Qg5 {[%emt 0:00:20]} (38... Qxf4+ $11 {and Black has nothing to worry.} 39. Qxf4 Rxb6) 39. Rxd6 {[%emt 0:00:22] Weighted Error Value: White=0.19 (very precise) /Black=0.32} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.7"]
[White "Salinas Herrera, Pablo"]
[Black "Lopez Raygoza, Luis Alberto"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2517"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,97,26,16,27,29,38,0,49,52,75,74,124,128,147,142,142,140,148,113,132,142,176,162,162,161,171,164,188,185,182,179,215,210,211,153,161,154,156,145,137,94,97,76,155,115,127,99,131,82,72,75,109,107,107,106,107,107,107,112,112,111,110,108,113,97,81,29,26,46,111,113,114,75,633,633,750,737,1921,1756,29954,4911,4610,4610,4933,2018,1652,1443,898,873]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:19]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:04]} g6 {[%emt 0:00:07]} 4. Bxc6 {[%emt 0:00:06]} bxc6 {[%emt 0:00:08]} 5. O-O {[%emt 0:00:06]} Bg7 {[%emt 0:00:03]} 6. Re1 {[%emt 0:00:06]} Rb8 {[%emt 0:00:32] B31: Sicilian: 2...Nc6 3 Bb5 g6.} 7. c3 {[%emt 0:03:29]} d6 {[%emt 0:00:18] [#]} 8. Qa4 $146 {[%emt 0:04:30]} ({Predecessor:} 8. h3 Nf6 9. d4 cxd4 10. cxd4 O-O 11. Nc3 Nd7 12. b3 Bb7 13. Be3 Rc8 14. Rc1 {½-½ (61) Ni,S (2315)-Ushenina,A (2441) China 2015}) 8... Qb6 {[%emt 0:12:42]} (8... Qc7 $1 $11) 9. e5 $14 {[%emt 0:07:52]} d5 {[%emt 0:02:48]} 10. d4 {[%emt 0:00:10]} c4 {[%emt 0:01:21]} (10... cxd4 $142 11. cxd4 h5) 11. Nbd2 {[%emt 0:03:52]} Nh6 {[%emt 0:20:30]} 12. b3 {[%emt 0:00:17]} cxb3 {[%emt 0:57:36]} 13. axb3 {[%emt 0:00:07]} a6 {[%emt 0:00:00]} 14. Ba3 {[%emt 0:01:14]} Qb7 {[%emt 0:00:00]} 15. b4 {[%emt 0:09:26]} Bf5 {[%emt 0:00:00]} 16. Bc1 {[%emt 0:02:11]} Bd3 {[%emt 0:00:00]} 17. Nb3 {[%emt 0:00:06]} Bb5 {[%emt 0:00:00]} 18. Qa5 {[%emt 0:00:15]} O-O {[%emt 0:00:00]} 19. Nc5 {[%emt 0:00:03][%csl LRa6,LRb7]} Qc8 {[%emt 0:00:00]} 20. e6 {[%emt 0:00:06]} (20. Nxa6 $2 Ra8 21. Qb6 (21. Bxh6 $2 Rxa6 22. Qxa6 Bxa6 $19) 21... Rxa6 $19) 20... f6 {[%emt 0:00:00]} 21. Nd7 {[%emt 0:01:41]} (21. Nxa6 $2 Ra8 22. Qb6 (22. Bxh6 $2 Rxa6 23. Bxg7 Rxa5 $19) 22... Rxa6 $19) 21... Nf5 {[%emt 0:00:00]} 22. Bf4 {[%emt 0:00:58]} ({Don't do} 22. Nxf8 Bxf8 23. Qa2 Rb7) 22... Rb7 {[%emt 0:00:00]} 23. Nxf8 {[%emt 0:00:06]} Bxf8 {[%emt 0:00:00]} 24. Nd2 {[%emt 0:17:34][%cal Bf3d2,Bd2b3,Bb3a5][%mdl 32]} ({Don't play} 24. g4 $6 Ng7 $14) 24... Ng7 {[%emt 0:00:00]} 25. Nb3 {[%emt 0:00:45] Strongly threatening Nc5.} Nxe6 {[%emt 0:00:00]} 26. Bg3 {[%emt 0:07:29][%cal Oe1e6]} Kf7 {[%emt 0:00:00]} (26... Ra7 $142) 27. Qa2 {[%emt 0:02:10]} Bh6 {[%emt 0:00:00]} 28. Na5 {[%emt 0:00:20]} Rd7 {[%emt 0:00:00]} 29. c4 {[%emt 0:04:49]} ({Better is} 29. f3) 29... dxc4 $16 {[%emt 0:00:00] [#]} 30. Rad1 {[%emt 0:07:42]} Rxd4 {[%emt 0:00:00]} (30... Nxd4 $2 31. Nxc4 e6 32. Nb6 Ne2+ {[#]} 33. Qxe2 $1 {[%mdl 512]} Bxe2 34. Rxd7+ (34. Nxc8 $2 {is the wrong capture.} Rxd1 35. Rxd1 Bxd1 $19) 34... Qxd7 35. Nxd7 $18) 31. Rxd4 {[%emt 0:00:35]} Nxd4 {[%emt 0:00:00]} 32. Nxc4 {[%emt 0:00:19]} Bxc4 {[%emt 0:01:58]} 33. Qxc4+ {[%emt 0:00:06]} Ne6 {[%emt 0:00:03]} 34. h3 {[%emt 0:01:25] aiming for Ra1.} Qd7 {[%emt 0:01:30]} 35. Qxa6 {[%emt 0:00:05]} Qd5 {[%emt 0:07:59]} 36. Qe2 {[%emt 0:01:03]} Bf8 {[%emt 0:00:00]} 37. Qd1 {[%emt 0:13:45] Hoping for Qxd5.} Nd4 {[%emt 0:00:00]} 38. f4 {[%emt 0:01:29]} (38. Qa4 $16) 38... e6 $11 {[%emt 0:00:00]} 39. Qa4 {[%emt 0:00:43]} Nf5 {[%emt 0:00:00]} (39... Qc4 $1 $14) 40. Bf2 $16 {[%emt 0:00:07]} Be7 {[%emt 0:00:00]} 41. Qa7 {[%emt 0:00:52]} Kg8 $2 {[%emt 0:00:00][%mdl 8192] Black cannot hold the game after this.} (41... Qd2 $16) 42. g4 $18 {[%emt 0:01:47]} Bxb4 {[%emt 0:00:18]} 43. Qb8+ {[%emt 0:00:05]} Bf8 {[%emt 0:00:05]} 44. gxf5 {[%emt 0:00:02]} Qxf5 {[%emt 0:00:05]} 45. Rd1 {[%emt 0:01:17]} (45. Ra1 $142 Qxh3 46. Ra8 Qg4+ 47. Kh2 Qh5+ 48. Kg3 Qh6 49. Bc5 g5 50. Qxf8+ Qxf8 51. Rxf8+ Kg7 52. Re8) 45... Qxh3 {[%emt 0:00:30] White is clearly winning.} 46. Rd8 {[%emt 0:00:04] White threatens Qd6 and mate. Active counter play!} Qg4+ {[%emt 0:00:06]} 47. Kf1 {[%emt 0:00:03]} (47. Kh2 $142 Kg7 48. Rxf8) 47... Qh3+ {[%emt 0:00:07]} 48. Ke2 {[%emt 0:00:04]} Qh5+ {[%emt 0:00:22]} 49. Ke1 {[%emt 0:00:21] Weighted Error Value: White=0.13 (very precise) /Black=0.54} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.7"]
[White "Flores Teillery, Alejandro Francisco "]
[Black "Salinas Herrera, Pablo"]
[Result "*"]
[WhiteElo "1879"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "15"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,15,21,14,32,34,53,4]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:19]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:04]} g6 {[%emt 0:00:07]} 4. Bxc6 {[%emt 0:00:06]} bxc6 {[%emt 0:00:08]} 5. O-O {[%emt 0:00:06]} Bg7 {[%emt 0:00:03]} 6. Re1 {[%emt 0:00:06]} Rb8 {[%emt 0:00:32] B31: Sicilian: 2...Nc6 3 Bb5 g6.} 7. c3 {[%emt 1:33:28]} d6 {[%emt 0:00:18] [#]} 8. Qa4 $146 {[%emt 1:30:29]} (8. e5 $14) ({Predecessor:} 8. h3 Nf6 9. d4 cxd4 10. cxd4 O-O 11. Nc3 Nd7 12. b3 Bb7 13. Be3 Rc8 14. Rc1 {½-½ (61) Ni,S (2315)-Ushenina,A (2441) China 2015}) *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.8"]
[White "Flores Guerrero, Jesus Aldair"]
[Black "Quesada Perez, Luis Ernesto"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2251"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,72,-6,12,0,2,5,8,15,10,4,31,31,25,15,39,24,34,10,0,0,6,0,3,-19,-18,-24,-20,-26,-34,-38,-31,-69,-101,-102,-76,-130,-131,-122,-118,-234,-170,-264,-259,-288,-279,-451,-433,-441,-448,-459,-457,-454,-406,-430,-428,-527,-517,-577,-571,-554,-546,-617,-598,-1012,-479]} 1. a3 {[%emt 0:02:52]} e5 {[%emt 0:05:07]} 2. c4 {[%emt 0:00:08]} g6 {[%emt 0:01:01]} 3. Nc3 {[%emt 0:01:26]} Bg7 {[%emt 0:00:08]} 4. g3 {[%emt 0:00:23]} d6 {[%emt 0:00:40]} 5. Bg2 {[%emt 0:00:29]} Nf6 {[%emt 0:00:59]} 6. d3 {[%emt 0:02:32] A20: English Opening: 1...e5.} O-O {[%emt 0:00:14]} 7. e4 {[%emt 0:03:04]} Na6 {[%emt 0:04:22]} 8. Nge2 {[%emt 0:02:05] The position is equal.} c6 {[%emt 0:01:32]} 9. O-O {[%emt 0:06:27]} Nh5 {[%emt 0:03:33]} 10. Be3 {[%emt 0:03:47]} Be6 {[%emt 0:06:36] [#]} 11. f3 $146 {[%emt 0:17:54]} ({Predecessor:} 11. Rb1 Nc7 12. b4 Qd7 13. b5 cxb5 14. Nxb5 Nxb5 15. Rxb5 b6 16. Nc3 Qc7 17. Qd2 {1-0 (65) Saffioti,M (1820)-Mancin,M (1876) Ceriano Laghetto 2008}) 11... Nc7 {[%emt 0:01:38]} 12. Rc1 {[%emt 0:01:49]} Nf6 {[%emt 0:16:44]} 13. Qd2 {[%emt 0:06:14]} d5 {[%emt 0:01:14]} 14. cxd5 {[%emt 0:00:14]} cxd5 {[%emt 0:00:02] [#] Strongly threatening ...d4.} 15. d4 {[%emt 0:00:08]} exd4 {[%emt 0:03:56]} 16. Bxd4 {[%emt 0:05:40]} dxe4 {[%emt 0:00:08]} 17. fxe4 {[%emt 0:01:50]} Ng4 {[%emt 0:01:35]} 18. h3 {[%emt 0:20:22]} Ne5 {[%emt 0:01:35]} 19. Qc2 {[%emt 0:08:38]} Bc4 {[%emt 0:08:28]} 20. Rcd1 {[%emt 0:04:42] aiming for Bxe5.} Qg5 {[%emt 0:03:35] White is on the road to losing.} 21. h4 {[%emt 0:03:51]} Qe7 {[%emt 0:00:05]} 22. Nd5 {[%emt 0:00:49]} ({White should play} 22. Rfe1) 22... Nxd5 $17 {[%emt 0:08:51]} 23. exd5 {[%emt 0:00:11]} Rac8 {[%emt 0:01:07][%cal Oc4d3,Ba8c8,Bc8c2,Bc2b2][%mdl 32] White must now prevent ...Bd3!} 24. Qe4 {[%emt 0:01:41] Prevents Bd3.} (24. Rfe1 $17 {was called for.}) 24... Nf3+ {[%emt 0:01:39]} (24... f5 25. Qe3 $17) 25. Qxf3 {[%emt 0:05:08]} (25. Bxf3 {is the only way for White.} Qxe4 26. Bxe4 Bxe2 27. Bxa7 (27. Bxg7 $2 Kxg7 28. Rd2 Bxf1 $19)) 25... Bxe2 $19 {[%emt 0:00:11]} 26. d6 {[%emt 0:00:11]} Qe6 {[%emt 0:03:32] Chess con chili.} ({Inferior is} 26... Qxd6 27. Qxe2 Bxd4+ 28. Kh1 $17) (26... Bxd1 27. Bxg7 Bxf3 28. dxe7 $17) 27. Qf2 {[%emt 0:00:48]} (27. Qe4 Bxd1 28. Bxg7 Qxe4 29. Bxe4 Kxg7 30. Rxd1) 27... Bxd1 {[%emt 0:00:08]} 28. Bxg7 {[%emt 0:00:17] [#]} Rc2 $1 {[%emt 0:01:40]} 29. Qe1 {[%emt 0:00:48]} Qxe1 {[%emt 0:01:45]} ({Not} 29... Kxg7 $2 30. Qxe6 fxe6 31. Rxd1 $19) 30. Rxe1 {[%emt 0:00:21]} Kxg7 {[%emt 0:00:06]} 31. Rxd1 {[%emt 0:00:17]} Rxb2 {[%emt 0:00:04] KRR-KRB. Black is clearly winning.} 32. Rd3 {[%emt 0:00:53]} Rd8 {[%emt 0:00:19]} 33. Kh2 {[%emt 0:00:29]} f5 {[%emt 0:02:59]} 34. Kh3 {[%emt 0:00:14]} Kf6 {[%emt 0:00:16]} 35. g4 {[%emt 0:00:22]} fxg4+ {[%emt 0:00:25]} 36. Kxg4 {[%emt 0:01:26]} Ke5 {[%emt 0:22:16] Weighted Error Value: White=0.51/Black=0.06 (flawless)} (36... Rxg2+ $142 37. Kf3 Rc2) 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.9"]
[White "Cori Quispe, Kevin Joel"]
[Black "Blanco Fernandez, Alvaro"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2492"]
[BlackElo "2216"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,74,38,30,37,34,53,50,58,44,50,29,47,41,55,7,105,43,49,52,52,49,62,61,67,41,33,39,29,20,9,23,89,89,95,92,260,230,206,194,556,617,585,457,405,156,164,177,593,553,595,595,583,574,3269,1202,1943,1399,29985,29986,29994]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:08]} g6 {[%emt 0:00:09]} 3. d4 {[%emt 0:00:17]} cxd4 {[%emt 0:00:10]} 4. Nxd4 {[%emt 0:00:11]} Nc6 {[%emt 0:00:26]} 5. c4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:37]} 6. Nc3 {[%emt 0:00:09]} Nxd4 {[%emt 0:00:36]} 7. Qxd4 {[%emt 0:00:07]} d6 {[%emt 0:00:15]} 8. Bg5 {[%emt 0:04:41]} Bg7 {[%emt 0:00:27]} 9. Be2 {[%emt 0:00:09]} O-O {[%emt 0:01:54] B36: Sicilian: Maroczy Bind: Gurgenidze System.} 10. Qd3 {[%emt 0:00:04]} b6 {[%emt 0:09:55]} 11. O-O {[%emt 0:04:21]} Bb7 {[%emt 0:01:10] White is slightly better.} 12. Rac1 {[%emt 0:05:46] [#]} Rc8 $146 {[%emt 0:01:11]} ({Predecessor:} 12... Nd7 13. f3 Re8 14. Rfd1 Qc8 15. Qd2 Qc5+ 16. Be3 Bh6 17. Bxc5 Bxd2 18. Rxd2 Nxc5 {½-½ (53) Straub,J (2237)-Riediger,M (2200) Bayern 2006}) 13. f4 {[%emt 0:04:09]} Rc5 {[%emt 0:04:32]} 14. Bh4 {[%emt 0:05:43]} Qa8 {[%emt 0:03:17][%cal Rf6e4]} 15. b4 {[%emt 0:12:35]} (15. Bf3 $1 $14) 15... Rcc8 {[%emt 0:03:14]} (15... Rc7 $1 $11 {remains equal.}) 16. Bf3 {[%emt 0:00:39]} (16. e5 $1 $16 {[%cal Re5f6]} dxe5 17. fxe5) 16... Rfd8 {[%emt 0:09:30]} 17. Rfe1 {[%emt 0:21:03]} Rc7 {[%emt 0:07:58]} 18. Rc2 {[%emt 0:03:52]} Rdc8 {[%emt 0:14:10]} 19. Nb5 {[%emt 0:03:19] And now e5 would win.} Rd7 {[%emt 0:00:31]} 20. Bxf6 {[%emt 0:07:53] &Bianco is more active.} (20. a3 $5 {[%cal Rh4f6]}) 20... Bxf6 {[%emt 0:02:25]} 21. e5 {[%emt 0:00:54]} Bh4 {[%emt 0:02:19] [#]} 22. Bxb7 $1 {[%emt 0:03:02]} Qxb7 {[%emt 0:00:48]} 23. Rd1 {[%emt 0:00:07] Threatens to win with Qh3.} Rcd8 {[%emt 0:08:21] [#]} (23... Rdd8 $1 $11 {keeps the balance.}) 24. e6 $1 $36 {[%emt 0:02:10][%mdl 2048] Black is under strong pressure.} ({Not} 24. exd6 a6 25. Qh3 Bf6 $17) 24... fxe6 {[%emt 0:00:02] [#]} 25. Nd4 $1 {[%emt 0:00:23][%cal Bb5d4,Bd4e6,Be6f4][%mdl 32]} Bf6 $2 {[%emt 0:04:35] This move loses the game for Black.} (25... e5 $16 26. Ne6 exf4) 26. Nxe6 $18 {[%emt 0:00:11]} Rc8 {[%emt 0:00:24]} 27. f5 {[%emt 0:03:06]} Kf7 {[%emt 0:00:41]} (27... g5 {is tougher.} 28. Qe2 Rb8) 28. fxg6+ {[%emt 0:03:01]} hxg6 {[%emt 0:00:26]} 29. Nf4 {[%emt 0:00:06]} Rg8 {[%emt 0:00:35]} 30. c5 $2 {[%emt 0:02:18]} (30. Rf2 $18) 30... bxc5 $16 {[%emt 0:00:55]} 31. bxc5 {[%emt 0:00:07][%cal Bb4c5,Bc5c6,Bc6c7][%mdl 32] Black must now prevent c6.} d5 $2 {[%emt 0:08:03]} (31... Qc6 {is a better chance.} 32. Rf2 (32. Qh3 d5 $16) 32... Qxc5) 32. c6 $18 {[%emt 0:05:05]} Qb6+ {[%emt 0:00:11]} 33. Kh1 {[%emt 0:00:05]} Rd6 {[%emt 0:01:00]} 34. c7 {[%emt 0:05:14]} Rc8 {[%emt 0:04:57]} 35. Qxg6+ {[%emt 0:00:27]} Kf8 {[%emt 0:00:01]} 36. Qh7 {[%emt 0:03:10]} Ke8 {[%emt 0:09:30]} 37. Nxd5 {[%emt 0:00:26]} Rxc7 {[%emt 0:01:18] Weighted Error Value: White=0.18 (very precise) /Black=0.89} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.9"]
[White "Sauceda Castillo, Francisco"]
[Black "Cori Quispe, Kevin Joel"]
[Result "*"]
[WhiteElo "1842"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,19,37,29,56,25]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:08]} g6 {[%emt 0:00:09]} 3. d4 {[%emt 0:00:17]} cxd4 {[%emt 0:00:10]} 4. Nxd4 {[%emt 0:00:11]} Nc6 {[%emt 1:32:05]} 5. c4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:37]} 6. Nc3 {[%emt 0:00:09]} Nxd4 {[%emt 0:00:36]} 7. Qxd4 {[%emt 0:00:07]} d6 {[%emt 0:00:15]} 8. Bg5 {[%emt 0:04:41]} Bg7 {[%emt 1:32:11]} 9. Be2 {[%emt 0:00:09]} O-O {[%emt 0:01:54] B36: Sicilian: Maroczy Bind: Gurgenidze System.} 10. Qd3 {[%emt 0:00:04] [#]} {Predecessor:} Be6 $146 11. O-O Qa5 12. f4 Rfc8 13. Nd5 Bxd5 14. cxd5 Nd7 15. Kh1 Nc5 16. Qe3 Bxb2 17. Rab1 {0-1 (32) Perez Gormaz,M (2413)-Priasmoro,N (2502) Chess.com INT 2021} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.10"]
[White "Ibarra Chami, Luis Fernando"]
[Black "Gonzalez Cruz, Ian Josue"]
[Result "*"]
[WhiteElo "2451"]
[BlackElo "1814"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,8,27]} 1. d4 {[%emt 0:00:53]} d5 {[%emt 0:00:22]} 2. Nf3 {[%emt 0:00:48]} Nf6 {[%emt 0:00:41]} 3. c4 {[%emt 0:00:53]} e6 {[%emt 0:00:27]} 4. Nc3 {[%emt 0:00:29]} Bb4 {[%emt 0:03:52] [#] An uneventful encounter.} {Predecessor:} 5. Bg5 $146 h6 6. Bxf6 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Qxf6 7. e3 O-O 8. Rc1 dxc4 9. Bxc4 c5 10. O-O cxd4 11. Ne4 Qe7 12. a3 Ba5 13. exd4 Rd8 14. Ba2 Bd7 15. Qc2 Bc6 16. b4 Bb6 17. Rfe1 a5 18. h4 Bxe4 19. Rxe4 {½-½ (31) Mamedyarov,S (2776)-Dominguez Perez,L (2756) Berlin 2022} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.10"]
[White "Quiroga Jaquez, Angel Ivan"]
[Black "Ibarra Chami, Luis Fernando"]
[Result "0-1"]
[ECO "E51"]
[WhiteElo "2185"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,60,-7,0,-8,1,-16,36,-27,0,-12,0,0,0,0,14,4,40,61,39,28,70,0,49,0,0,0,0,0,0,0,0,0,0,-16,-14,-55,-43,-119,-120,-166,-139,-134,-136,-164,-135,-322,-316,-29978,-29979]} 1. d4 {[%emt 0:00:53]} d5 {[%emt 0:00:22]} 2. Nf3 {[%emt 0:00:48]} Nf6 {[%emt 0:00:41]} 3. c4 {[%emt 0:00:53]} e6 {[%emt 0:00:27]} 4. Nc3 {[%emt 0:00:29]} Bb4 {[%emt 0:03:52]} 5. Bd2 {[%emt 0:05:05]} O-O {[%emt 0:02:14]} 6. e3 {[%emt 0:00:25]} b6 {[%emt 0:01:36]} 7. cxd5 {[%emt 0:00:16]} exd5 {[%emt 0:00:10]} 8. Ne5 {[%emt 0:02:20] E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} Bd6 {[%emt 0:10:56] [#]} 9. f4 $146 {[%emt 0:18:02]} ({Predecessor:} 9. Bd3 Re8 10. f4 Ba6 11. Bxa6 Nxa6 12. O-O c5 13. Be1 Nc7 14. Bh4 Be7 15. Rf3 Qd6 {½-½ (44) Cosman,A (2133)-Bulmaga,I (2396) Mamaia 2021}) 9... Bf5 {[%emt 0:06:56]} (9... c5 $11) 10. Qf3 {[%emt 0:03:44]} (10. Be2 $14) 10... c6 {[%emt 0:14:42]} 11. Rc1 {[%emt 0:29:41]} Qe7 {[%emt 0:19:02]} 12. g4 {[%emt 0:04:32]} Be4 {[%emt 0:01:50]} 13. Nxe4 {[%emt 0:00:17]} Nxe4 {[%emt 0:00:11]} 14. Bd3 {[%emt 0:03:43]} Bb4 {[%emt 0:15:24]} (14... Bxe5 $5 15. fxe5 f6 16. Bxe4 dxe4 17. Qxe4 fxe5 $11) 15. Bxe4 {[%emt 0:01:47]} dxe4 {[%emt 0:00:08]} 16. Qg2 {[%emt 0:02:13]} ({Inferior is} 16. Qxe4 f6 17. a3 Bxd2+ 18. Kxd2 fxe5 19. dxe5 Nd7 $17) 16... f6 {[%emt 0:04:11]} 17. Nc4 {[%emt 0:02:24]} ({Better is} 17. Nxc6 $14 Nxc6 18. Rxc6) 17... Nd7 {[%emt 0:03:32]} (17... Na6 $11) 18. a3 {[%emt 0:00:20]} (18. O-O $14) 18... Bxd2+ $1 $11 {[%emt 0:00:32]} 19. Nxd2 {[%emt 0:00:42]} c5 {[%emt 0:01:13]} 20. O-O {[%emt 0:10:24]} ({Avoid the trap} 20. Nxe4 $2 Rae8 21. dxc5 Qxe4 22. Qxe4 Rxe4 $19) 20... cxd4 {[%emt 0:00:20]} 21. Rc4 {[%emt 0:01:11]} dxe3 {[%emt 0:03:04]} 22. Rxe4 {[%emt 0:00:06]} Qd6 {[%emt 0:00:45]} 23. Rxe3 {[%emt 0:02:19]} Rae8 {[%emt 0:03:27]} 24. Qf2 {[%emt 0:00:59]} Nc5 $1 {[%emt 0:00:49]} 25. Rxe8 {[%emt 0:05:17]} ({White should try} 25. Nc4 $15 Qd7 26. Qe2) 25... Rxe8 $17 {[%emt 0:00:05]} 26. Re1 {[%emt 0:00:32]} (26. g5 $17) 26... Rxe1+ {[%emt 0:01:10]} 27. Qxe1 {[%emt 0:00:04] [#]} Qd4+ $1 {[%emt 0:00:28]} 28. Kg2 {[%emt 0:00:32][%cal Re1e8]} Kf8 {[%emt 0:01:37] Prevents Qe8+. Hoping for ...Nd3.} 29. b4 $2 {[%emt 0:01:35]} (29. Qf2 $17 Qxb2 30. Qe3) 29... Nd3 $19 {[%emt 0:00:16]} 30. Qd1 {[%emt 0:02:01]} (30. Qf1 $19) 30... Qf2+ {[%emt 0:00:41] Weighted Error Value: White=0.47/Black=0.18 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.11"]
[White "Perez Gormaz, Matias"]
[Black "Luna Javier, Edgar Froylan"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2404"]
[BlackElo "2148"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,115,3,16,6,8,14,18,14,39,20,88,70,74,20,20,13,15,23,20,0,0,0,0,0,0,0,54,50,56,72,72,54,57,78,74,14,14,19,7,-4,-4,-8,49,50,87,65,102,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,-298,-23,-23,-23,-52,-59,-80,-90,-90,-61,-54,-54,-104,-60,-102,-79,-243,-208,-310,-270,-143,-142,-143,-56,-74,-69,-106,-156,-156,-156,-156,-53,-115,-79,-101,-115,-156]} 1. e4 {[%emt 0:00:07][%cal Be2e4,Be4e5][%mdl 32]} c5 {[%emt 0:00:12]} 2. c3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:22]} 3. e5 {[%emt 0:00:27]} Nd5 {[%emt 0:00:06]} 4. Nf3 {[%emt 0:00:09]} Nc6 {[%emt 0:01:43]} 5. Bc4 {[%emt 0:00:09]} e6 {[%emt 0:04:26]} 6. d4 {[%emt 0:00:20] B22: Sicilian: 2 c3.} d6 {[%emt 0:02:25]} 7. O-O {[%emt 0:01:36]} dxe5 {[%emt 0:04:30]} 8. dxe5 {[%emt 0:00:07] The position is equal.} Be7 {[%emt 0:00:47]} 9. Qe2 {[%emt 0:00:36]} O-O {[%emt 0:05:51]} (9... a6 $11 {keeps the balance.}) 10. Rd1 {[%emt 0:02:11]} Qc7 {[%emt 0:05:53]} 11. Bxd5 {[%emt 0:00:52]} ({Better is} 11. Qe4 $16) 11... exd5 $11 {[%emt 0:00:06]} 12. Rxd5 {[%emt 0:00:06]} Be6 {[%emt 0:00:53]} 13. Rd1 {[%emt 0:00:11]} Rad8 {[%emt 0:01:11][%cal Oe6c4] [#]} 14. Rxd8 $146 {[%emt 0:02:16]} ({Predecessor:} 14. Re1 Bf5 15. Bf4 Qb6 16. b3 c4 17. Be3 Bc5 18. Nbd2 Bd3 19. Bxc5 Qxc5 20. Qe3 Qxe3 21. Rxe3 cxb3 22. axb3 {1-0 (38) Jensen,A (2245)-Knudsen,O (2290) Espergarde 1978}) 14... Rxd8 {[%emt 0:00:06]} 15. Bf4 $1 {[%emt 0:03:53]} Qb6 {[%emt 0:17:47][%cal Ob6b2] And now ...Qxb2! would win.} 16. Na3 {[%emt 0:10:32]} Bd5 {[%emt 0:09:36]} 17. h3 {[%emt 0:06:41]} Na5 {[%emt 0:04:58]} (17... h6 $11) 18. b3 $14 {[%emt 0:05:38]} Qc6 {[%emt 0:07:23]} 19. Rd1 {[%emt 0:02:49]} a6 {[%emt 0:13:06] Prevents Nb5.} 20. Nc2 {[%emt 0:00:47]} Bxf3 {[%emt 0:05:19]} 21. Rxd8+ {[%emt 0:00:54]} Bxd8 {[%emt 0:01:29]} 22. Qxf3 {[%emt 0:07:51]} (22. gxf3 $16 Qg6+ 23. Kh2) 22... Qxf3 $11 {[%emt 0:00:05]} 23. gxf3 $14 {[%emt 0:00:04][%mdl 4096] Endgame KBN-KBN} Nc6 {[%emt 0:00:36]} 24. Bg3 {[%emt 0:01:35]} Ba5 {[%emt 0:01:56]} 25. c4 {[%emt 0:01:09]} Bc3 {[%emt 0:02:17]} (25... Nd4 $1 $11 26. Nxd4 cxd4) 26. f4 {[%emt 0:00:34]} Kf8 {[%emt 0:01:24]} 27. Kf1 {[%emt 0:01:56]} f6 {[%emt 0:01:34][%cal Rf6e5]} 28. e6 {[%emt 0:07:34]} ({White should try} 28. Ke2 $16) 28... Nd4 $11 {[%emt 0:04:24]} 29. Ne3 {[%emt 0:15:31]} Bd2 {[%emt 0:00:01]} 30. f5 {[%emt 0:02:18]} Bxe3 {[%emt 0:01:58]} 31. Bd6+ {[%emt 0:00:04]} Ke8 {[%emt 0:00:05]} 32. fxe3 {[%emt 0:00:07]} Nxf5 {[%emt 0:00:11]} 33. Bxc5 {[%emt 0:00:02] KB-KN} Ng3+ {[%emt 0:00:52]} 34. Kg2 {[%emt 0:04:22]} Ne4 {[%emt 0:00:02]} 35. Ba3 {[%emt 0:00:49]} b6 {[%emt 0:01:25]} 36. h4 {[%emt 0:03:33]} Nc5 {[%emt 0:00:27]} 37. e7 {[%emt 0:05:05]} h5 {[%emt 0:01:54]} 38. Kf3 {[%emt 0:07:28]} g5 {[%emt 0:00:02]} 39. b4 {[%emt 0:01:41]} g4+ {[%emt 0:00:45]} 40. Kf4 $2 {[%emt 0:01:09][%mdl 8192]} (40. Kg2 $11 Ne4 41. b5) 40... Ne6+ $2 {[%emt 0:00:17]} ({Black should play} 40... Nd3+ $19 41. Ke4 Nf2+ 42. Kf4 b5) 41. Kg3 {[%emt 0:01:55]} ({Don't blunder} 41. Kf5 $2 g3 $1 42. Kxe6 g2 $19) 41... b5 {[%emt 0:00:01]} 42. c5 {[%emt 0:00:48]} Kxe7 {[%emt 0:00:16]} 43. e4 {[%emt 0:00:17] [#]} Nd4 $1 {[%emt 0:00:44] aiming for ...Nc2.} 44. Bb2 {[%emt 0:00:12]} Ne2+ {[%emt 0:01:58]} 45. Kf2 {[%emt 0:01:55]} Nf4 {[%emt 0:00:00] Strongly threatening ...Nd3+.} 46. Bc3 {[%emt 0:01:25]} (46. Kf1 $15) 46... Ke6 {[%emt 0:00:38]} (46... g3+ {is interesting.} 47. Kf3 g2 48. Bd4 Nd3) 47. a3 {[%emt 0:01:24]} Ke7 {[%emt 0:00:26]} 48. Bd2 $2 {[%emt 0:02:25]} (48. Ba1 $17) 48... Ng6 {[%emt 0:00:13]} 49. Kg3 {[%emt 0:00:23]} (49. c6 $142) 49... Ne5 $19 {[%emt 0:00:01]} 50. Bc3 {[%emt 0:00:38]} ({White must play} 50. Be3 $19) 50... Nc4 $17 {[%emt 0:00:25]} 51. Kf4 {[%emt 0:00:04]} Ke6 {[%emt 0:00:25]} (51... Nxa3 $17 {Threatens to win with ...Nc4.} 52. e5 fxe5+ 53. Bxe5 Nc2) 52. c6 $1 $15 {[%emt 0:00:50] [#]} Ne5 $1 {[%emt 0:00:46]} ({Don't play} 52... Kd6 53. Bxf6 Nxa3 54. Be5+ Kxc6 55. Kg5 $11) 53. Bxe5 {[%emt 0:00:42]} fxe5+ {[%emt 0:00:05]} 54. Kg3 {[%emt 0:00:09]} Kd6 {[%emt 0:00:05]} 55. Kg2 {[%emt 0:00:14]} Kxc6 {[%emt 0:00:02]} 56. Kg3 {[%emt 0:00:04]} (56. Kf2 $15) 56... a5 {[%emt 0:00:18]} 57. Kg2 {[%emt 0:00:02]} (57. bxa5 Kb7 58. Kg2 Ka6 59. Kg3 Kxa5 60. Kh2 Ka4 61. Kg2 Kxa3 62. Kf2 b4 63. Ke2 b3 64. Kd3 b2 65. Kc4 b1=Q 66. Kc5 g3 67. Kd6 g2 68. Ke6 g1=Q 69. Kf7 Qb7+ 70. Kf8 Qgg7+ 71. Ke8 Qh8#) 57... Kd7 {[%emt 0:01:06]} 58. Kg3 {[%emt 0:00:03] Weighted Error Value: White=0.27 (precise) /Black=0.22 (precise)} (58. bxa5 {leads to mate.} Kc6 59. a6 Kb6 60. a7 Kxa7 61. Kh1 Kb6 62. Kh2 Ka5 63. Kg2 Ka4 64. Kg3 Kxa3 65. Kf2 b4 66. Ke3 b3 67. Kd3 b2 68. Kc4 b1=Q 69. Kc5 g3 70. Kd6 g2 71. Ke7 g1=Q 72. Kf6 Qbb6+ 73. Kf5 Qgg6+ 74. Kxe5 Qbd6#) 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.11"]
[White "Steinberg, Ellis"]
[Black "Perez Gormaz, Matias"]
[Result "*"]
[WhiteElo "1808"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,13,24,19,17,21,12]} 1. e4 {[%emt 0:00:07]} c5 {[%emt 0:00:12]} 2. c3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:22]} 3. e5 {[%emt 0:00:27]} Nd5 {[%emt 0:00:06]} 4. Nf3 {[%emt 0:00:09]} Nc6 {[%emt 0:01:43]} 5. Bc4 {[%emt 0:00:09]} e6 {[%emt 0:04:26]} 6. d4 {[%emt 0:00:20] B22: Sicilian: 2 c3.} d6 {[%emt 0:02:25]} 7. O-O {[%emt 0:01:36] [#] An uneventful encounter.} {Predecessor:} cxd4 $146 8. cxd4 Nb6 9. Bb3 dxe5 10. dxe5 Qxd1 11. Rxd1 Be7 12. Nc3 O-O 13. Be3 Nd7 14. Bf4 Nc5 15. Bc2 b6 16. Ne4 Nb4 17. Bb1 Bb7 18. Nd6 Bxf3 19. gxf3 Rad8 20. Be3 Nd5 21. Bxc5 bxc5 {0-1 (40) Zarnicki,P (2514)-Andreikin,D (2724) Chess.com INT 2022} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.12"]
[White "Fernandez Hernandez, Arturo A."]
[Black "Martinez Martinez, Ian Alf"]
[Result "*"]
[WhiteElo "2376"]
[BlackElo "1821"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,12,14,8,16]} 1. Nf3 {[%emt 0:00:07]} d5 {[%emt 0:00:32]} 2. b3 {[%emt 0:00:19]} Bg4 {[%emt 0:01:23]} 3. Bb2 {[%emt 0:00:14]} Nd7 {[%emt 0:00:11]} 4. g3 {[%emt 0:01:00]} Ngf6 {[%emt 0:00:34]} 5. Bg2 {[%emt 0:02:17]} e6 {[%emt 1:30:20]} 6. O-O {[%emt 0:00:57]} Bd6 {[%emt 0:01:26] [#] Not much happened in this game. A12: English Opening: 1...c6 with b3 by White.} {Predecessor:} 7. c4 $146 c6 8. d3 O-O 9. Nbd2 Re8 10. a3 a5 11. Qc2 e5 12. h3 Bh5 13. Nh4 Rc8 14. Rfe1 b5 15. e3 Bb8 16. Rac1 Nb6 17. g4 Bg6 18. Nxg6 hxg6 {0-1 (132) Sviridov,V (2561)-Nepomniachtchi,I (2773) Chess.com INT 2022} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.12"]
[White "Avila Bautista, Roberto Al"]
[Black "Fernandez Hernandez, Arturo A."]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2090"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,41,6,27,22,33,23,36,26,54,41,56,43,87,44,102,98,97,89,112,96,138,132,135,131,132,132,137,110]} 1. Nf3 {[%emt 0:00:07]} d5 {[%emt 0:00:32]} 2. b3 {[%emt 0:00:19]} Bg4 {[%emt 0:01:23]} 3. Bb2 {[%emt 0:00:14]} Nd7 {[%emt 0:00:11]} 4. g3 {[%emt 0:01:00]} Ngf6 {[%emt 0:00:34]} 5. Bg2 {[%emt 0:02:17]} e6 {[%emt 0:01:30]} 6. O-O {[%emt 0:00:57]} Bd6 {[%emt 0:01:26]} 7. c4 {[%emt 0:06:27]} c6 {[%emt 0:02:00] is the new trend.} 8. d4 {[%emt 0:03:36]} Qb8 {[%emt 0:01:48]} 9. Nbd2 {[%emt 0:07:51] D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} h6 {[%emt 0:08:56]} 10. Qe1 {[%emt 0:21:54]} O-O {[%emt 0:10:32]} 11. e4 {[%emt 0:05:21][%cal Be2e4,Be4e5][%mdl 32] White is slightly better.} Bb4 {[%emt 0:00:55] [#]} 12. a3 $146 {[%emt 0:08:26]} ({Predecessor:} 12. e5 Ne4 13. Qe3 f5 14. exf6 Nxd2 15. Nxd2 Rxf6 16. f4 Bxd2 17. Qxd2 Bf5 18. Qe2 {0-1 (32) Ionov,S (2515)-Solozhenkin,E (2415) Miedzybrodzie 1991}) 12... Ba5 {[%emt 0:08:58]} 13. b4 {[%emt 0:02:47]} Bc7 {[%emt 0:01:10]} 14. Qe3 {[%emt 0:03:37]} Re8 {[%emt 0:11:12]} (14... dxe4 $14 15. Nxe4 Nxe4 16. Qxe4 Bf5) 15. e5 $36 {[%emt 0:05:21][%mdl 2048] White is on the roll.} Nh7 {[%emt 0:00:06]} 16. h3 {[%emt 0:00:53]} Bxf3 {[%emt 0:04:45]} 17. Bxf3 {[%emt 0:01:03]} b5 {[%emt 0:00:33]} 18. c5 {[%emt 0:01:51] White is clearly better.} a5 {[%emt 0:10:06]} 19. Be2 {[%emt 0:01:54] &Bianco is more active.} axb4 {[%emt 0:09:57]} 20. axb4 {[%emt 0:00:04]} Qb7 {[%emt 0:00:25]} 21. f4 {[%emt 0:07:16] Weighted Error Value: White=0.08 (flawless) /Black=0.18 (very precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.13"]
[White "Galaviz Medina, Sion Radamantys"]
[Black "Hernandez Jimenez, Alexander Andres"]
[Result "1-0"]
[ECO "E38"]
[WhiteElo "2374"]
[BlackElo "2167"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,53,73,130,140,146,130,158,95,99,96,179,190,166,166,229,230,233,218,579,579,599,589,646,645,691,688,658,591,1380,1375,1366,1342,1306,1254,29995,29996,29996,29997]} 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:10]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:04]} Bb4 {[%emt 0:00:00]} 4. Qc2 {[%emt 0:00:13]} c5 {[%emt 0:00:04]} 5. dxc5 {[%emt 0:08:29]} Na6 {[%emt 0:01:13]} 6. a3 {[%emt 0:12:25]} Bxc3+ {[%emt 0:00:17]} 7. Qxc3 {[%emt 0:00:06]} Nxc5 {[%emt 0:00:08]} 8. f3 {[%emt 0:01:45]} d5 {[%emt 0:09:53]} 9. cxd5 {[%emt 0:04:11]} Qxd5 {[%emt 0:01:18]} (9... b6 $142) 10. e4 $16 {[%emt 0:00:42] E38: Nimzo-Indian: Classical: 4...c5.} Qh5 {[%emt 0:02:02]} 11. Be3 {[%emt 0:03:22] [#]} b6 $146 {[%emt 0:00:16]} ({Predecessor:} 11... Ncd7 12. Nh3 O-O 13. Be2 b6 14. Nf4 Qe5 15. Qxe5 Nxe5 16. Rc1 Bb7 17. Rc7 Rab8 {1-0 (38) Gordievsky,D (2559)-Antonica,D (2301) Chess.com INT 2020}) 12. g4 {[%emt 0:31:27]} (12. Ne2 $142 {Black must now prevent Nf4.} O-O 13. Nf4) 12... Qh4+ {[%emt 0:19:55]} 13. Bf2 {[%emt 0:00:08] This bishop pair is nice.} Qh6 {[%emt 0:00:01]} (13... Qxf2+ $16 {was worth a try.} 14. Kxf2 Nfxe4+ 15. fxe4 Nxe4+ 16. Ke3 Nxc3) 14. Nh3 {[%emt 0:00:07] [#] And now g5 would win.} ({But not} 14. Bxc5 $6 bxc5 15. h4 (15. Qxc5 Qh4+ 16. Qf2 Qxf2+ 17. Kxf2 O-O $16) 15... Qf4 $16) 14... Nfd7 {[%emt 0:01:00]} 15. b4 $36 {[%emt 0:02:53][%mdl 2048] Black is under strong pressure.} Nb7 {[%emt 0:02:22]} (15... Na4 $142 16. Qc6 Qf6) 16. g5 $18 {[%emt 0:05:25]} Qg6 {[%emt 0:00:17]} 17. Bb5 {[%emt 0:00:07]} Nd6 $2 {[%emt 0:03:56]} (17... O-O {is more resistant.} 18. Rd1 Rd8) 18. Bc6 {[%emt 0:04:54]} Bb7 {[%emt 0:01:49]} 19. Rd1 {[%emt 0:00:58]} Bxc6 {[%emt 0:02:26]} 20. Qxc6 {[%emt 0:00:05]} O-O {[%emt 0:00:05]} 21. Qxd6 {[%emt 0:00:08]} Rfd8 {[%emt 0:00:43]} 22. O-O {[%emt 0:03:28][%cal Bh1f1,Bf1c1,Bc1c8][%mdl 32]} Nf8 {[%emt 0:00:18]} 23. Qxd8 {[%emt 0:00:30]} Rxd8 {[%emt 0:00:06]} 24. Rxd8 {[%emt 0:00:05]} Qh5 {[%emt 0:02:58] [#]} 25. Rc1 $1 {[%emt 0:00:26][%cal Oc1c8] Intending Rcc8! and mate.} Qxh3 {[%emt 0:00:23]} (25... Qxf3 26. Rcc8) 26. Rcc8 {[%emt 0:00:05][%csl Gc8][%cal Rd8f8]} h6 {[%emt 0:00:19]} 27. g6 {[%emt 0:00:03] Weighted Error Value: White=0.12 (very precise) /Black=0.89} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.13"]
[White "Rivera Garcia, David Moises"]
[Black "Galaviz Medina, Sion Radamantys"]
[Result "*"]
[WhiteElo "1780"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,10,39,47]} 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 1:31:00]} 2. c4 {[%emt 0:00:10]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:04]} Bb4 {[%emt 0:00:00]} 4. Qc2 {[%emt 0:00:13]} c5 {[%emt 0:00:04]} 5. dxc5 {[%emt 0:08:29]} Na6 {[%emt 0:01:13] [#]} {Predecessor:} 6. a3 $146 {E38: Nimzo-Indian: Classical: 4...c5.} Bxc3+ 7. Qxc3 Nxc5 8. b4 Nce4 9. Qc2 d5 10. f3 Nd6 11. c5 Nf5 12. e3 e5 13. Bb5+ Kf8 14. Ne2 a5 15. Rb1 axb4 16. axb4 d4 17. e4 Nh4 18. O-O {1-0 (34) So,W (2770)-Duda,J (2743) Chess.com INT 2020} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.14"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Pena Davalos, David"]
[Result "*"]
[ECO "C83"]
[WhiteElo "2393"]
[BlackElo "1761"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,20,31,60]} 1. e4 {[%emt 0:00:02]} e5 {[%emt 0:00:40]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:03]} a6 {[%emt 0:00:06]} 4. Ba4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:08]} 5. O-O {[%emt 0:00:10]} Nxe4 {[%emt 0:00:08]} 6. d4 {[%emt 0:00:06]} b5 {[%emt 0:00:07]} 7. Bb3 {[%emt 0:00:05]} d5 {[%emt 0:00:06]} 8. dxe5 {[%emt 0:00:05]} Be6 {[%emt 0:00:06]} 9. Nbd2 {[%emt 0:00:13]} Be7 {[%emt 0:00:37]} 10. c3 {[%emt 0:00:20]} O-O {[%emt 0:00:25] [#]} {Predecessor:} 11. Bc2 $146 {C83: Open Ruy Lopez: 9 c3 Be7.} f5 12. exf6 Nxf6 13. a4 b4 14. Re1 Bg4 15. h3 Bh5 16. Nf1 Bc5 17. Be3 Qd6 18. Ng3 Bxf3 19. Qxf3 Ne5 20. Qe2 Bxe3 21. Qxe3 {1-0 (48) Vachier Lagrave,M (2761)-Matlakov,M (2674) Warsaw 2021} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.14"]
[White "Jorajuria Mendoza, Algol"]
[Black "Diaz Rosas, Julio Cesar"]
[Result "0-1"]
[ECO "C83"]
[WhiteElo "2006"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,48,12,22,-12,-5,-29,-39,-39,-30,-69,-72,-115,130,125,116,71,75,76,112,98,99,-357,-346,-789,-786,-734,-710]} 1. e4 {[%emt 0:00:02] TFS} e5 {[%emt 0:00:40]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:03]} a6 {[%emt 0:00:06]} 4. Ba4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:08]} 5. O-O {[%emt 0:00:10]} Nxe4 {[%emt 0:00:08]} 6. d4 {[%emt 0:00:06]} b5 {[%emt 0:00:07]} 7. Bb3 {[%emt 0:00:05]} d5 {[%emt 0:00:06]} 8. dxe5 {[%emt 0:00:05]} Be6 {[%emt 0:00:06]} 9. Nbd2 {[%emt 0:00:13]} Be7 {[%emt 0:00:37]} 10. c3 {[%emt 0:00:20]} O-O {[%emt 0:00:25]} 11. Bc2 {[%emt 0:13:48]} f5 {[%emt 0:01:06]} 12. exf6 {[%emt 0:01:46]} Nxf6 {[%emt 0:00:07]} 13. Qe2 {[%emt 0:07:29] 13.Re1 is a critical line. C83: Open Ruy Lopez: 9 c3 Be7.} Qd7 {[%emt 0:03:07]} 14. Nd4 {[%emt 0:07:46]} Nxd4 {[%emt 0:02:43]} 15. cxd4 {[%emt 0:00:04] Black is slightly better.} Bd6 {[%emt 0:02:49]} 16. Nb3 {[%emt 0:03:58]} Rae8 {[%emt 0:11:30] [#] ...Bg4 is the strong threat.} 17. Nc5 $146 {[%emt 0:10:06]} ({Predecessor:} 17. f3 Qf7 18. Qd3 Qh5 19. h3 g6 20. Bd2 Bf5 21. Qc3 b4 22. Qc6 Re6 23. Bxf5 {½-½ (52) Bergqvist,A-Lundin,E Stockholm 1943 EXT 2020 [TFS]}) 17... Bxh2+ $2 {[%emt 0:17:49]} 18. Kxh2 $16 {[%emt 0:00:36]} Qd6+ {[%emt 0:00:07]} 19. Kg1 {[%emt 0:11:56] aiming for Qf3.} Bf5 {[%emt 0:06:31]} 20. Qd2 {[%emt 0:06:03]} Bxc2 {[%emt 0:02:28]} 21. Qxc2 {[%emt 0:00:07] And now Qd1 would win.} Ng4 {[%emt 0:00:24][%csl Gg4][%cal Rd6h2] [#]} 22. g3 $2 {[%emt 0:03:45][%mdl 8192] [#]} (22. f4 $1 $16 {is necessary to keep the advantage.}) 22... Rxf2 $1 $19 {[%emt 0:01:17][%mdl 64] Decoy} 23. Qxf2 {[%emt 0:02:41]} (23. Rxf2 $2 {gets mated.} Qxg3+ 24. Kh1 Re1+) (23. Qd3 Rxf1+ 24. Kxf1 Qf6+ 25. Bf4) 23... Nxf2 {[%emt 0:00:05]} 24. Kxf2 {[%emt 0:00:17]} Qf6+ {[%emt 0:00:34][%mdl 64] Skewer, Double Attack.  Weighted Error Value: White=1.26/Black=0.41} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.15"]
[White "Torres Rosas, Luis Carlos"]
[Black "Rosales Campos, Paul"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2356"]
[BlackElo "2039"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,62,0,-12,11,-6,6,0,4,-2,17,0,10,4,15,11,85,87,89,81,58,6,35,0,14,0,0,0,0,33,33,33,33,43,39,0,0,0,0,0,0,-367,-232,-414,0,0,0,-1326,-1035,-1256,-1275,-1050,-969]} 1. e4 {[%emt 0:00:08]} c5 {[%emt 0:00:50]} 2. Nf3 {[%emt 0:00:09]} e6 {[%emt 0:00:43]} 3. Qe2 {[%emt 0:00:13]} Nc6 {[%emt 0:08:52]} 4. g3 {[%emt 0:00:10]} Be7 {[%emt 0:01:19]} 5. Bg2 {[%emt 0:00:23]} d5 {[%emt 0:03:34]} 6. d3 {[%emt 0:00:08]} Nf6 {[%emt 0:01:35]} 7. O-O {[%emt 0:00:17]} h6 {[%emt 0:02:00] C00: French: Unusual White 2nd moves.} 8. a3 {[%emt 0:11:30] [#]} b6 $146 {[%emt 0:09:03]} ({Predecessor:} 8... a5 9. Re1 a4 10. Nbd2 Qc7 11. e5 Nd7 12. Nf1 b5 13. h4 g5 14. hxg5 hxg5 15. N1h2 {1-0 (48) Bertona,F (2411)-Guerrero Alvarez,R (2207) Alicante 2001}) 9. e5 {[%emt 0:00:37]} Nd7 {[%emt 0:01:17] The position is equal.} 10. c4 {[%emt 0:00:04]} d4 {[%emt 0:03:34]} 11. Ne1 {[%emt 0:05:48]} Bb7 {[%emt 0:08:12]} (11... Ndxe5 $2 12. f4 $18) 12. f4 {[%emt 0:03:03]} Qc7 {[%emt 0:02:34]} 13. Nd2 {[%emt 0:01:00]} g5 {[%emt 0:14:02]} (13... Rb8 $11) 14. Ne4 $1 $16 {[%emt 0:01:41]} O-O-O {[%emt 0:00:27]} 15. Nf3 {[%emt 0:04:31][%cal Rf4g5]} (15. fxg5 $6 Ncxe5 16. Nf3 Nxf3+ 17. Rxf3 Ne5 $11) 15... g4 {[%emt 0:05:25]} 16. Nfd2 {[%emt 0:19:31]} ({White should play} 16. Nh4 $14) 16... h5 $11 {[%emt 0:01:06]} 17. b4 {[%emt 0:01:05]} h4 $1 {[%emt 0:11:56]} 18. Nb3 {[%emt 0:07:28]} hxg3 $1 {[%emt 0:04:03]} 19. hxg3 {[%emt 0:00:07]} Rh7 {[%emt 0:02:50]} 20. bxc5 {[%emt 0:04:17]} (20. Qxg4 cxb4 21. axb4 Bxb4 $14) (20. b5 Ncxe5 21. fxe5 Nxe5 $14) 20... Nxc5 {[%emt 0:01:22]} 21. Nbxc5 {[%emt 0:00:41]} Bxc5 {[%emt 0:00:24]} 22. Bd2 {[%emt 0:08:53][%cal Od2b4]} Ne7 {[%emt 0:12:36]} 23. Bb4 {[%emt 0:10:45]} (23. Qxg4 Nf5 $15) (23. Ng5 $5 {[%cal Rg5h7]} Rg7 24. Bb4 $14 (24. Qxg4 Nf5 $11)) 23... Nf5 $1 {[%emt 0:00:55]} 24. Bxc5 {[%emt 0:01:52]} (24. Qxg4 $2 Rg7 25. Qf3 Nxg3 $1 {[%mdl 512]} 26. Qxg3 Rxg3 27. Nxg3 Rg8 28. Bxb7+ Kxb7 $19) 24... bxc5 {[%emt 0:01:49]} 25. Rfb1 {[%emt 0:05:50][%cal Oe4d6] Strongly threatening Nd6+!} Bc6 $1 {[%emt 0:00:17] And now ...Ne3 would win.} 26. Qb2 $2 {[%emt 0:06:02][%mdl 8192]} (26. Nxc5 Rdh8 27. Ne4 Rh2 $19) (26. Qxg4 $2 Rg7 27. Qd1 (27. Ng5 $2 Bxg2 28. Rb2 Bc6 $19) 27... Rh8 $19) (26. Nf6 $1 $11 {and White is okay.} Ne3 27. Bxc6 (27. Nxh7 Bxg2 28. Qa2 f5 $11) 27... Qxc6 28. Nxh7) 26... Rdh8 $1 $19 {[%emt 0:01:25][%cal Bd8h8,Bh8h2,Bh2g2,Bg2b2][%mdl 32] ...Ne3 is the strong threat.} 27. Nd6+ $2 {[%emt 0:05:53] [#]} ({But not} 27. Nxc5 $2 Rh1+ $1 {[%mdl 512]} 28. Kf2 (28. Bxh1 $2 Rxh1+ 29. Kf2 Rh2+ 30. Kg1 Rxb2 $19) 28... Bxg2 29. Rxh1 Bxh1 $19) (27. Re1 {only move.}) 27... Nxd6 $2 {[%emt 0:00:54] The board is on fire.} ({Better is} 27... Kd7 $1 $19 28. Ne4 Rh2 29. Nxc5+ Kc8 30. Qb8+ (30. Na6 $2 Qb6 $19) 30... Qxb8 31. Rxb8+ Kxb8 32. Rb1+ Kc7 33. Na6+ Kd7 34. Nc5+ Ke7 35. Bxc6 Nxg3 36. Rb7+ Kf8) 28. exd6 $11 {[%emt 0:01:11]} Rh1+ $1 {[%emt 0:00:08]} (28... Qxd6 $2 29. Bxc6 f5 30. Bg2 $18) 29. Kf2 $2 {[%emt 0:00:00][%mdl 8192] [#]} (29. Bxh1 $11 Rxh1+ 30. Kf2 Rh2+ 31. Kf1 Rxb2 32. dxc7) 29... R8h2 $1 {[%emt 0:00:08][%csl Gc6][%cal Rh2g2][%mdl 512] Black is clearly winning.} 30. Rxh1 {[%emt 0:01:13]} (30. Qb8+ Qxb8) 30... Rxg2+ {[%emt 0:00:05]} 31. Kf1 {[%emt 0:00:57]} Rxb2 {[%emt 0:00:05] Weighted Error Value: White=0.71/Black=0.29 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.15"]
[White "Dominguez Gonzalez, Edgar"]
[Black "Torres Rosas, Luis Carlos"]
[Result "*"]
[WhiteElo "1785"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "24"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,11,-6,-9,-16]} 1. e4 {[%emt 0:00:08]} c5 {[%emt 0:00:50]} 2. Nf3 {[%emt 0:00:09]} e6 {[%emt 0:00:43]} 3. Qe2 {[%emt 0:00:13]} Nc6 {[%emt 1:30:27]} 4. g3 {[%emt 0:00:10]} Be7 {[%emt 0:01:19]} 5. Bg2 {[%emt 0:00:23]} d5 {[%emt 0:03:34]} 6. d3 {[%emt 0:00:08] [#] Not much happened in this game. C00: French: Unusual White 2nd moves.} {Predecessor:} h5 $146 7. h3 Nf6 8. O-O b6 9. e5 Nd7 10. c4 dxc4 11. dxc4 Bb7 12. Nc3 a6 {1-0 (25) Deac,B (2679)-Vasquez Schroder,R (2494) Chess.com INT 2022} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.16"]
[White "Figueredo Losada, Leonel"]
[Black "Contreras Frias, Gabriel"]
[Result "*"]
[WhiteElo "2342"]
[BlackElo "1771"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,8,38]} 1. d4 {[%emt 0:00:07]} d6 {[%emt 0:01:46]} 2. Nf3 {[%emt 0:03:54]} g6 {[%emt 0:00:13]} 3. c4 {[%emt 0:00:20]} Bg7 {[%emt 0:00:16]} 4. Nc3 {[%emt 0:01:02]} Bg4 {[%emt 0:07:44] [#] An uneventful encounter.} {Predecessor:} 5. h3 $146 Bxf3 6. exf3 {A41: 1 d4 d6: Tartakower System and Modern Defence.} Nd7 7. Be3 e6 8. Be2 Ne7 9. g4 d5 10. f4 c6 11. Qd2 Nb6 12. c5 Nc4 13. Bxc4 dxc4 {1-0 (51) Duda,J (2730)-Nakamura,H (2745) Chess.com INT 2019} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.16"]
[White "Montes Orozco, Miguel Angel"]
[Black "Figueredo Losada, Leonel"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "1914"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,78,14,21,-46,-55,-135,-127,-131,-108,-106,-120,-116,-118,-126,-127,-150,-143,-176,-97,-94,-77,-73,-34,-30,-39,-68,-71,-62,-33,-54,-19,-19,-19,-21,-13,-13,-13,-13,-18,-10,0,0,0,-8,22,-28,-22,-29,-6,-25,-27,-24,487,-551,-530,-517,-508,-432,-195,-267,-14,-8,-8,-9,-8,-8,8]} 1. d4 {[%emt 0:00:07]} d6 {[%emt 0:01:46]} 2. Nf3 {[%emt 0:03:54]} g6 {[%emt 0:00:13]} 3. c4 {[%emt 0:00:20]} Bg7 {[%emt 0:00:16]} 4. Nc3 {[%emt 0:01:02]} Bg4 {[%emt 0:07:44]} 5. e4 {[%emt 0:17:35]} Nc6 {[%emt 0:16:24]} 6. Be3 {[%emt 0:03:46]} e5 {[%emt 0:02:03]} 7. d5 {[%emt 0:00:29]} Nd4 $1 {[%emt 0:01:41]} 8. Bxd4 {[%emt 0:02:20] A42: Modern Defence: Averbakh Variation.} (8. Be2 $11) 8... exd4 $15 {[%emt 0:00:04]} 9. Nb5 {[%emt 0:02:09]} (9. Ne2 $15) 9... Bxf3 $17 {[%emt 0:08:09]} 10. gxf3 {[%emt 0:08:09] Black is better.} c6 {[%emt 0:00:27]} 11. Nxd4 {[%emt 0:01:41]} Qa5+ {[%emt 0:07:44]} (11... Qb6 $6 12. Nb3 $11) 12. Ke2 {[%emt 0:04:33]} Qc5 {[%emt 0:10:47][%csl LRc4,LRd4]} (12... Qb6 $6 13. Nb3 $11) 13. Nb3 {[%emt 0:04:37]} Qxc4+ {[%emt 0:00:08]} 14. Qd3 {[%emt 0:01:08] [#]} cxd5 $146 {[%emt 0:00:56]} ({Predecessor:} 14... Qxd3+) 15. Rc1 {[%emt 0:04:08]} Qb4 {[%emt 0:04:35]} (15... Qxd3+ $19 16. Kxd3 Bxb2) 16. Qxd5 {[%emt 0:01:00]} Ne7 {[%emt 0:10:24][%cal Bg8e7,Be7c6,Bc6b4][%mdl 32]} 17. Qa5 {[%emt 0:01:29]} Nc6 {[%emt 0:02:46]} 18. Qxb4 {[%emt 0:02:43]} Nxb4 {[%emt 0:00:03]} 19. Rc7 {[%emt 0:01:16]} O-O {[%emt 0:05:21]} 20. Bh3 {[%emt 0:02:16]} Rab8 {[%emt 0:00:22]} 21. Na5 {[%emt 0:04:42]} Be5 {[%emt 0:05:10]} 22. a3 {[%emt 0:12:58]} (22. Rxb7 Rxb7 23. Nxb7 Rb8 $17) (22. Nxb7 Na6 23. Rc6 Rxb7 $17) 22... Na6 {[%emt 0:01:31]} 23. Rc2 {[%emt 0:01:55]} (23. Rxb7 Rxb7 24. Nxb7 Rb8 $19) 23... Nc5 {[%emt 0:00:40]} 24. b4 {[%emt 0:02:47]} Ne6 {[%emt 0:00:03]} 25. Bxe6 {[%emt 0:00:32]} fxe6 {[%emt 0:00:03]} 26. Rc7 {[%emt 0:01:04]} Rf6 {[%emt 0:03:03]} 27. Nc4 {[%emt 0:08:52]} Bf4 {[%emt 0:00:07] [#] White must now prevent ...d5.} 28. Ne3 {[%emt 0:00:03] Inhibits d5.} h5 {[%emt 0:05:17]} 29. Rhc1 {[%emt 0:01:24]} (29. Ng2 $142) 29... Bxh2 $11 {[%emt 0:01:40][%cal Od6d5] Threatens to win with ...d5!} 30. Re7 {[%emt 0:00:15]} Rbf8 {[%emt 0:02:23]} (30... d5 $5) 31. Rcc7 {[%emt 0:00:07] Rg7+ would kill now.} R8f7 {[%emt 0:00:17] Inhibits Rg7+.} (31... Rxf3 $2 {is a self mate.} 32. Rg7+ Kh8 33. Rh7+ Kg8 34. Rcg7#) 32. Rxb7 {[%emt 0:01:34]} Rxf3 $2 {[%emt 0:00:12][%mdl 8192] [#]} (32... Kf8 $11 {and Black stays safe.} 33. Rxf7+ Rxf7 34. Rb8+ Kg7) 33. Rxa7 $4 {[%emt 0:00:55][%mdl 8192]} (33. Nf5 $1 $18 {[%mdl 512] is the narrow road to win. White wants to mate with Re8+.} gxf5 (33... R3xf5 34. exf5) 34. Kxf3 fxe4+ 35. Kxe4 d5+ 36. Ke3 Rxe7 37. Rxe7) 33... Rxf2+ $19 {[%emt 0:00:09]} 34. Kd3 {[%emt 0:00:05]} Rxe7 {[%emt 0:02:21]} 35. Rxe7 {[%emt 0:00:07]} Bg1 {[%emt 0:00:25]} (35... Bf4 $142 36. Nc2 h4 37. Re8+ Kf7) 36. e5 {[%emt 0:05:55]} ({Not} 36. Rxe6 $2 Kf7 37. Rxd6 Rf3 $19) (36. Nc4 $142) 36... dxe5 $2 {[%emt 0:01:20]} ({Black should try} 36... Rf3 $19 37. exd6 Rxe3+ 38. Kc4 Kf8) 37. Rxe6 $11 {[%emt 0:00:10] The position is equal.} Kf7 {[%emt 0:00:54]} 38. Rxe5 {[%emt 0:00:03]} Ra2 {[%emt 0:00:59]} 39. Nc2 {[%emt 0:01:18] And now Kc3 would win.} h4 {[%emt 0:01:33] White used his chance.  Weighted Error Value: White=0.36/Black=0.49} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.17"]
[White "Garcia Guerrero, Isaac Antonio"]
[Black "Rascon Vega, Alfonso"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2338"]
[BlackElo "2107"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,82,-12,7,-13,-23,-41,0,0,7,-104,-53,-81,-81,-77,-34,-79,-63,-77,0,-34,-33,-230,-166,-256,-219,-293,-241,-418,-445,-408,-428,-431,-425,-497,-501,-511,0,-511,-511,-502,-418,-504,-504,-483,-504,-504,-504,-504,-504,-504,-504,-504,-504,-504,-503,-495,-453,-638,-631,-689,-631,-758,-625,-525,-511,-750,-719,-925,-925,-847,-837,-1022,-992,-883,-869]} 1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:18]} 2. Bg5 {[%emt 0:00:09]} d5 {[%emt 0:00:16]} 3. e3 {[%emt 0:00:25]} c5 {[%emt 0:00:50]} 4. Bxf6 {[%emt 0:00:21]} gxf6 {[%emt 0:00:07]} 5. c4 {[%emt 0:00:17]} cxd4 {[%emt 0:07:59]} 6. exd4 {[%emt 0:00:17] D00: 1 d4 d5: Unusual lines.} (6. Qxd4 $5 {[%cal Rc4d5]} Nc6 7. Qxd5 $15) 6... Nc6 {[%emt 0:04:20]} 7. Nc3 {[%emt 0:03:08]} e5 {[%emt 0:04:08]} (7... dxc4 $15 8. Bxc4 Qxd4 9. Qxd4 Nxd4) 8. cxd5 $11 {[%emt 0:10:28] The position is equal.} Nxd4 {[%emt 0:00:24]} 9. Nge2 {[%emt 0:08:28] [#]} (9. Bd3 $11 {keeps the balance.}) 9... Bc5 $146 {[%emt 0:07:31] &Nero is more active.} (9... Qb6 $1 $17 {Hoping for ...Bf5.} 10. Qd2 (10. Nxd4 exd4 11. Ne4 Qa5+ 12. Ke2 Qb5+ 13. Ke1 Bb4+ 14. Nd2 Bxd2+ 15. Qxd2 Qxd5 $17) 10... Bd7) ({Predecessor:} 9... Qb6 10. Qd2 Bf5 11. Rc1 Bb4 12. a3 Nb3 13. Qd1 Bc5 14. Ng3 Bxf2+ 15. Ke2 Qe3# {0-1 (15) Grieve,H (2351)-Gunina,V (2431) Chess.com INT 2020}) 10. Ng3 {[%emt 0:05:43]} f5 {[%emt 0:02:22]} 11. Bd3 {[%emt 0:04:30]} Bd7 {[%emt 0:07:50][%cal Oh7h5]} (11... h5 $5) 12. Qh5 {[%emt 0:03:23][%cal Rg3f5]} Qf6 {[%emt 0:02:28]} 13. O-O {[%emt 0:02:28]} O-O-O {[%emt 0:01:05]} (13... Rg8 $17) 14. Rac1 {[%emt 0:11:49][%cal Ob2b4] And now b4! would win.} (14. Nce2 $5 {[%cal Ra1c1]} Kb8 15. Nxd4 Bxd4 16. Nxf5 $11) 14... Kb8 {[%emt 0:01:04]} 15. b4 $2 {[%emt 0:15:03] Black converts the advantage convincingly.} ({White has to play} 15. Nce2 $15 Nxe2+ 16. Nxe2) 15... Bb6 {[%emt 0:06:20]} ({Stronger than} 15... Bxb4 16. Nce2 $17) 16. Nce2 {[%emt 0:08:30]} (16. d6 $142) 16... e4 $19 {[%emt 0:02:01]} 17. Bc4 {[%emt 0:03:58]} Rhg8 {[%emt 0:07:15][%cal Bh8g8,Bg8g4,Bg4h4,Bh4h2][%mdl 32]} 18. Kh1 $2 {[%emt 0:00:46]} (18. d6) 18... Rg4 {[%emt 0:03:48]} 19. Nxd4 {[%emt 0:01:58]} Bxd4 {[%emt 0:01:26]} 20. d6 {[%emt 0:01:32]} Rh4 {[%emt 0:01:36]} 21. Qxf7 {[%emt 0:03:54] [#]} Qh6 $1 {[%emt 0:10:23]} ({Inferior is} 21... Qxd6 22. Rcd1 $17) 22. Qe7 {[%emt 0:00:59]} Rxh2+ {[%emt 0:01:11]} 23. Kg1 {[%emt 0:00:07]} Bf6 {[%emt 0:00:14] A strong pair of Bishops.} 24. Bb5 {[%emt 0:00:50]} Bxe7 {[%emt 0:08:13]} 25. dxe7 {[%emt 0:00:09]} Rg8 {[%emt 0:00:30] ( -> ...Rxg3). Black is clearly winning.} 26. Bxd7 {[%emt 0:00:55][%cal Oc1c8] Threatens to win with Rc8+!} f4 {[%emt 0:00:32]} 27. Rc8+ {[%emt 0:03:21]} Rxc8 {[%emt 0:00:08]} 28. Bxc8 {[%emt 0:00:05]} fxg3 {[%emt 0:04:06][%csl Gh6][%cal Rh2h1]} 29. Bh3 {[%emt 0:00:18] [#]} gxf2+ $1 {[%emt 0:00:07]} 30. Rxf2 {[%emt 0:00:51]} Qc1+ {[%emt 0:00:22]} 31. Kxh2 {[%emt 0:00:43][%mdl 4096] Endgame KQ-KRB} Qc7+ {[%emt 0:00:05]} 32. g3 {[%emt 0:00:28]} Qxe7 {[%emt 0:00:06]} 33. b5 {[%emt 0:00:16]} (33. Re2 $142) 33... e3 {[%emt 0:01:09]} 34. Rc2 {[%emt 0:00:10][%csl Gh3][%cal Rc2c8]} b6 {[%emt 0:01:47] aiming for ...e2.} 35. Re2 {[%emt 0:04:28]} Kc7 {[%emt 0:00:50]} 36. Bg2 {[%emt 0:00:38]} Kd6 {[%emt 0:00:17] White must now prevent ...Qf6.} 37. Bc6 {[%emt 0:01:30]} Kc5 {[%emt 0:00:19]} 38. Kg2 {[%emt 0:00:19]} Kd4 {[%emt 0:00:05]} 39. Bf3 {[%emt 0:00:29]} Qb4 {[%emt 0:00:47]} 40. Bc6 {[%emt 0:03:34]} Kd3 {[%emt 0:00:19]} 41. Bf3 {[%emt 0:00:06]} Qxb5 {[%emt 0:16:22] Weighted Error Value: White=0.61/Black=0.27 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.17"]
[White "Kowalski Davila, Emilio Luis"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "*"]
[WhiteElo "1735"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,13,0,0,0,-11,-36]} 1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:18]} 2. Bg5 {[%emt 0:00:09]} d5 {[%emt 0:00:16]} 3. e3 {[%emt 0:00:25]} c5 {[%emt 0:00:50]} 4. Bxf6 {[%emt 0:00:21]} gxf6 {[%emt 0:00:07]} 5. c4 {[%emt 0:00:17]} cxd4 {[%emt 0:07:59]} 6. exd4 {[%emt 0:00:17] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Nc6 {[%emt 0:04:20]} 7. Nc3 {[%emt 0:03:08] [#] A rather calm draw.} {Predecessor:} dxc4 $146 8. d5 Ne5 9. Bxc4 Nxc4 10. Qa4+ Bd7 11. Qxc4 Rc8 12. Qd3 Rg8 13. g3 b5 14. a3 Qa5 15. Rd1 b4 16. axb4 Qxb4 {1-0 (30) Martirosyan,H (2656)-Svidler,P (2709) Riga 2021} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.18"]
[White "Benitez Lozano, Javier"]
[Black "Villanueva De Leon, Vanessa"]
[Result "*"]
[WhiteElo "2309"]
[BlackElo "1729"]
[Annotator "TA"]
[PlyCount "26"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,13,25,18,21,15,3]} 1. d4 {[%emt 0:00:03][%cal Bd2d4,Bd4d5][%mdl 32]} Nf6 {[%emt 0:00:14]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:30]} Bb4 {[%emt 0:00:14]} 4. Qc2 {[%emt 1:31:51]} b6 {[%emt 0:00:46]} 5. e4 {[%emt 0:00:58]} c5 {[%emt 0:00:38]} 6. d5 {[%emt 0:00:53] E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} Qe7 {[%emt 0:00:29]} 7. Nge2 {[%emt 0:13:13] [#] An uneventful encounter.} {Predecessor:} exd5 $146 8. exd5 d6 9. Bg5 O-O 10. O-O-O h6 11. Bh4 Nbd7 12. Ng3 Bxc3 13. Nf5 Qe5 {1-0 (84) Bok,B (2624)-Matlakov,M (2674) Chess.com INT 2022} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.18"]
[White "Bayona Ordonez, Andres David"]
[Black "Benitez Lozano, Javier"]
[Result "0-1"]
[ECO "E32"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,58,27,28,29,20,20,27,15,13,15,8,11,21,8,66,67,40,6,109,18,65,-65,-39,-79,-32,-236,-241,-227,-212,-364,-370,-410,-292,-362,-316,-671,-671,-621,-597,-472,-375,-525,-517,-513,-527,-1797,-393,-29982,-29983,-29991,-29992]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:14]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:30]} Bb4 {[%emt 0:00:14]} 4. Qc2 {[%emt 0:00:36]} b6 {[%emt 0:00:46]} 5. e4 {[%emt 0:00:58]} c5 {[%emt 0:00:38]} 6. d5 {[%emt 0:00:53] E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} Qe7 {[%emt 0:00:29]} 7. Nge2 {[%emt 0:13:13]} exd5 {[%emt 0:06:34]} 8. exd5 {[%emt 0:00:54] White has an edge.} d6 {[%emt 0:00:48]} 9. Bd2 {[%emt 0:02:59]} O-O {[%emt 0:00:39]} 10. O-O-O {[%emt 0:00:31]} Ng4 {[%emt 0:01:31]} 11. Be1 {[%emt 0:07:28]} a6 {[%emt 0:09:06] [#]} (11... Ne5 $11) 12. Ng3 $146 {[%emt 0:04:40]} ({Predecessor:} 12. a3 Ba5 13. Ng3 b5 14. cxb5 axb5 15. Bxb5 Ba6 16. Bxa6 Nxa6 17. Qe4 Qd7 18. Qf5 {1-0 (31) Rawicz,K (2200)-Paszewski,M (2297) Dzwirzyno 2019}) 12... b5 {[%emt 0:17:55]} 13. Bd3 {[%emt 0:07:01]} h6 {[%emt 0:08:37]} (13... g6 $11 {remains equal.}) 14. Kb1 {[%emt 0:07:16]} ({Don't play} 14. cxb5 Bxc3 15. Bxc3 axb5 $14) ({Better is} 14. a3 $1 $16 {[%cal Ra3b4]}) 14... Ne5 $11 {[%emt 0:13:18]} 15. Nce2 {[%emt 0:19:27]} ({But not} 15. Bh7+ Kh8 16. Bd3 (16. cxb5 g6 $17) 16... Nxc4 $11) (15. a3 $1 $14 Ba5 16. cxb5) 15... bxc4 $15 {[%emt 0:04:01]} 16. Bxc4 {[%emt 0:00:18]} a5 {[%emt 0:06:56][%cal Ba6a5,Ba5b4][%mdl 32]} 17. a4 $2 {[%emt 0:05:34] This costs White the game.} (17. Bb3 $1 $15) 17... Nxc4 $19 {[%emt 0:05:41]} 18. Qxc4 {[%emt 0:00:45]} Nd7 $1 {[%emt 0:00:05]} 19. Bxb4 $2 {[%emt 0:08:10]} (19. Qc2) 19... axb4 {[%emt 0:01:51]} 20. b3 {[%emt 0:00:22]} Ne5 {[%emt 0:03:33]} 21. Qe4 {[%emt 0:02:22]} Qd8 {[%emt 0:09:06]} 22. Nf4 $2 {[%emt 0:05:23]} (22. Rhf1 Ba6 23. f4) 22... c4 {[%emt 0:09:19]} 23. Rd4 {[%emt 0:02:09]} cxb3 {[%emt 0:03:15]} 24. Rxb4 {[%emt 0:00:23]} Re8 {[%emt 0:02:48] Strongly threatening ...Qa5.} 25. Re1 {[%emt 0:03:04]} Bd7 {[%emt 0:00:33]} 26. Qd4 {[%emt 0:03:15]} Qa5 {[%emt 0:01:02][%cal Rd7a4]} 27. Ne4 {[%emt 0:01:51]} Bxa4 $2 {[%emt 0:00:56]} (27... Rab8 28. Nd3 Nxd3 29. Nf6+ gxf6 30. Rxe8+ Rxe8 31. Qxd3 Re1+ 32. Kb2 Qxb4 33. f4 Bg4 34. h3 {[#]} Rg1 $1 35. Qe4 Qxe4 36. Kc3 b2 $1 37. Kxb2 Qb4+ 38. Ka2 Rxg2+ 39. Ka1 Qe1#) 28. Nxd6 $2 {[%emt 0:00:27] [#]} (28. Qb6 $19 Qxb6 29. Rxb6) 28... Bb5 $1 {[%emt 0:00:53][%mdl 512]} 29. Rxb3 {[%emt 0:01:33]} (29. Kc1 Rac8+) 29... Qxe1+ {[%emt 0:01:44] Weighted Error Value: White=1.10/Black=0.39} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.19"]
[White "Sandoval Mercado, Carlos"]
[Black "Davalos Prieto, Abel Justo"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2289"]
[BlackElo "2103"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,111,0,0,0,0,0,2,0,0,0,0,5,0,0,7,0,0,0,0,45,29,33,24,35,0,17,25,30,25,35,17,12,0,69,71,102,83,103,72,120,116,111,66,129,123,170,155,165,167,160,140,177,60,60,60,68,74,168,166,166,166,166,156,166,106,96,85,153,185,177,180,157,159,1963,1717,29963,29955,29962,29951,6424,9317,29976,29977,29976,29977,29977,29978,29978,29979,29979,29979,29975,29971]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:23]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:15]} 3. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:37]} 4. g3 {[%emt 0:00:05]} Be7 {[%emt 0:00:39]} 5. Bg2 {[%emt 0:00:08]} O-O {[%emt 0:00:29]} 6. O-O {[%emt 0:00:06]} dxc4 {[%emt 0:00:47]} 7. Qc2 {[%emt 0:00:22]} a6 {[%emt 0:01:00]} 8. Qxc4 {[%emt 0:00:06]} b5 {[%emt 0:00:21]} 9. Qc2 {[%emt 0:00:07]} Bb7 {[%emt 0:00:14][%cal Bc8b7,Bb7e4,Be4g6,Bg6h5][%mdl 32]} 10. Bd2 {[%emt 0:00:37]} Be4 {[%emt 0:01:44]} 11. Qc1 {[%emt 0:00:10]} c6 {[%emt 0:01:07] E05: Open Catalan: 5 Nf3 Be7.} 12. a4 $1 {[%emt 0:00:56][%mdl 4] is recently more successful than 12.Rd1.} Nbd7 {[%emt 0:01:37]} 13. Nc3 {[%emt 0:00:12]} Bg6 {[%emt 0:00:48] The position is equal.} 14. Nh4 {[%emt 0:00:10]} Bh5 {[%emt 0:01:35]} 15. h3 {[%emt 0:00:10]} Nd5 {[%emt 0:12:45]} 16. axb5 {[%emt 0:01:51]} axb5 {[%emt 0:00:41]} 17. Rxa8 {[%emt 0:00:03]} Qxa8 {[%emt 0:00:17]} 18. e4 {[%emt 0:00:02]} Nxc3 {[%emt 0:04:10]} 19. Qxc3 {[%emt 0:02:09][%cal Og3g4] [#]} Nb6 $146 {[%emt 0:16:20]} ({Predecessor:} 19... c5 20. dxc5 Nxc5 21. g4 Bg6 22. Nxg6 hxg6 23. Be3 Na4 24. Qb3 Qb8 25. Rd1 Bf6 {0-1 (49) Nguyen,A (2307)-Bente,B (2226) Playchess.com INT 2021}) 20. b3 {[%emt 0:05:45]} b4 {[%emt 0:04:08]} 21. Qd3 {[%emt 0:00:01][%cal Og3g4]} Rd8 {[%emt 0:01:02]} 22. Rc1 {[%emt 0:08:37]} h6 {[%emt 0:10:43]} 23. Qc2 {[%emt 0:12:11]} Rc8 {[%emt 0:04:57] [#]} ({Resist} 23... Rxd4 24. Be3 Qd8 25. Bxd4 Qxd4 26. Qxc6 Bxh4 27. gxh4 $16) 24. g4 $1 {[%emt 0:14:45]} Bxh4 {[%emt 0:02:02]} 25. gxh5 {[%emt 0:00:03]} Be7 $1 {[%emt 0:00:34] Against Qc5} 26. Be3 {[%emt 0:00:12]} Qa5 {[%emt 0:02:15]} ({Black should play} 26... c5 $11 27. d5 (27. dxc5 Bxc5 28. e5 Qb8 $11) 27... exd5) 27. Qd1 $14 {[%emt 0:00:37]} Qa6 {[%emt 0:03:40]} 28. Qg4 {[%emt 0:11:58] Bxh6 is the strong threat.} Kh8 {[%emt 0:04:24][%cal Oc6c5]} 29. Kh1 {[%emt 0:02:24]} Qb7 {[%emt 0:03:38]} (29... Qd3 $142) 30. Rg1 {[%emt 0:01:43][%cal Od4d5]} Rg8 {[%emt 0:02:43]} 31. e5 {[%emt 0:07:51]} Qc8 {[%emt 0:02:01]} (31... Qd7 $1 $14) 32. Qf3 $16 {[%emt 0:11:17][%csl LRc6,LRf7] &Bianco is more active.} Qe8 {[%emt 0:01:15]} (32... f6 $16) 33. Qxc6 $18 {[%emt 0:00:07]} Qxc6 {[%emt 0:00:30]} 34. Bxc6 {[%emt 0:00:02]} Rc8 {[%emt 0:00:54]} 35. Be4 {[%emt 0:12:26]} Nd5 {[%emt 0:00:52]} 36. Rc1 {[%emt 0:05:08]} ({Only move:} 36. Bxd5 $18 exd5 37. Ra1) 36... Rxc1+ $14 {[%emt 0:01:22]} 37. Bxc1 {[%emt 0:00:02][%mdl 4096] Endgame KBB-KBN} Nc3 {[%emt 0:04:34]} 38. Bc6 {[%emt 0:00:42]} Ne2 {[%emt 0:01:12]} (38... Bd8 $16 {was worth a try.}) 39. Be3 $18 {[%emt 0:00:17]} Bg5 {[%emt 0:00:21]} 40. Kg2 {[%emt 0:02:25]} Nf4+ {[%emt 0:00:34]} 41. Kg3 {[%emt 0:03:12]} Nxh5+ {[%emt 0:00:44]} 42. Kf3 {[%emt 0:00:54]} (42. Kg4 $18 Bxe3 43. fxe3) 42... Kg8 $16 {[%emt 0:04:45]} 43. Ke4 {[%emt 0:00:01]} f5+ {[%emt 0:04:05] [#]} (43... Be7 $142) 44. Kd3 $1 {[%emt 0:01:22] aiming for Bxg5.} Nf4+ {[%emt 0:00:12]} 45. Kc4 {[%emt 0:00:42][%cal Oh3h4] Black must now prevent h4!} Nxh3 {[%emt 0:00:08] [#]} 46. Bg2 $1 {[%emt 0:00:44]} ({Don't do} 46. Kxb4 $6 f4 47. Bd2 Nxf2 $14) 46... f4 $2 {[%emt 0:01:49] Loses the game.} (46... Nf4 $16 47. Bf3 Kf7) 47. Bxh3 $18 {[%emt 0:00:07]} fxe3 {[%emt 0:00:06]} 48. Bxe6+ {[%emt 0:00:26] KB-KB} Kf8 {[%emt 0:00:07]} 49. fxe3 {[%emt 0:00:03]} Bxe3 {[%emt 0:00:08]} 50. d5 {[%emt 0:00:06][%cal Bd4d5,Bd5d6][%mdl 32] Bf5 would kill now.} Ke7 {[%emt 0:00:40]} 51. Bf5 {[%emt 0:00:50] White mates.} Bf4 {[%emt 0:01:05]} 52. d6+ {[%emt 0:00:02]} Kd8 {[%emt 0:00:59]} 53. Kd5 {[%emt 0:00:05]} h5 {[%emt 0:01:11]} 54. e6 {[%emt 0:00:54]} Bg5 {[%emt 0:00:19]} 55. Kc4 {[%emt 0:00:08]} Bf6 {[%emt 0:01:02]} 56. Kxb4 {[%emt 0:00:09] Weighted Error Value: White=0.09 (flawless) /Black=0.32} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.19"]
[White "Jimenez Jimenez, Dante Edgar"]
[Black "Sandoval Mercado, Carlos"]
[Result "*"]
[ECO "E05"]
[WhiteElo "1721"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,29,0,0,0,0,10,8,15,2,-23,0]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:23]} 2. c4 {[%emt 1:31:27]} e6 {[%emt 0:00:15]} 3. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:37]} 4. g3 {[%emt 0:00:05]} Be7 {[%emt 0:00:39]} 5. Bg2 {[%emt 0:00:08]} O-O {[%emt 0:00:29]} 6. O-O {[%emt 0:00:06]} dxc4 {[%emt 0:00:47]} 7. Qc2 {[%emt 0:00:22]} a6 {[%emt 0:01:00]} 8. Qxc4 {[%emt 0:00:06]} b5 {[%emt 0:00:21]} 9. Qc2 {[%emt 0:00:07]} Bb7 {[%emt 1:30:29]} 10. Bd2 {[%emt 0:00:37]} Be4 {[%emt 0:01:44]} 11. Qc1 {[%emt 0:00:10]} c6 {[%emt 0:01:07] E05: Open Catalan: 5 Nf3 Be7.} 12. a4 {[%emt 0:00:56] is currently scoring better than 12.Rd1.} Nbd7 {[%emt 0:01:37]} 13. Nc3 {[%emt 0:00:12]} Bg6 {[%emt 0:00:48]} 14. Nh4 {[%emt 1:34:25]} Bh5 {[%emt 0:01:35]} 15. h3 {[%emt 0:00:10] [#] A rather calm draw.  Weighted Error Value: White=0.03 (flawless) /Black=0.02 (flawless)} {Predecessor:} Rc8 $146 16. axb5 cxb5 17. Qd1 b4 18. Na4 Rc4 19. Bc1 Nb6 20. Nxb6 Qxb6 21. g4 Bg6 22. Nxg6 hxg6 {½-½ (56) Esipenko,A (2723)-Oparin,G (2674) Berlin 2022} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.20"]
[White "Diaz Villagran, Robert"]
[Black "Baeza, Patricio"]
[Result "*"]
[WhiteElo "2318"]
[BlackElo "1711"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,15,17,29]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:03]} e6 {[%emt 0:01:35]} 3. c4 {[%emt 0:00:37]} d5 {[%emt 0:01:05]} 4. Bg5 {[%emt 0:00:15]} Be7 {[%emt 0:00:11]} 5. Nc3 {[%emt 0:00:28]} c6 {[%emt 0:00:50]} 6. e3 {[%emt 0:00:16]} Nbd7 {[%emt 0:00:12]} 7. Rc1 {[%emt 0:03:35]} O-O {[%emt 1:30:00]} 8. Bd3 {[%emt 0:00:22] [#]} {Predecessor:} dxc4 $146 {D66: Queen's Gambit Declined: Classical: Main Line (7 Rc1 c6 8 Bd3).} 9. Bxc4 b5 10. Bd3 Bb7 11. O-O Rc8 12. a3 a5 13. Qe2 b4 14. axb4 axb4 15. Ne4 Nxe4 16. Bxe7 Qxe7 17. Bxe4 Nf6 18. Nd2 e5 19. Bd3 exd4 20. exd4 Qd6 21. Nb3 Rfe8 22. Qf3 Rcd8 23. Qg3 Bc8 24. Rfd1 Be6 25. Na5 {½-½ (25) Atalik,S (2494)-Zakhartsov,V (2514) Novi Sad 2021} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.20"]
[White "Morales Garcia, Sergio Joshafatt"]
[Black "Serrato, Rafael Antonio"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2246"]
[BlackElo "1707"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,83,18,16,24,22,24,69,21,16,8,14,14,39,48,75,76,414,414,413,414,416,422,417,417,422,347,450,454,495,483,514,510,513,507,562,548,541,536,534,501,544,513,814,804,866,625,764,765,727,692,674,674,717,680,971,952,1081,1054,1767,1487,1579,1491,29990,29991,29991,29992,29993,29994]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:03]} e6 {[%emt 0:01:35]} 3. c4 {[%emt 0:00:37]} d5 {[%emt 0:01:05]} 4. Bg5 {[%emt 0:00:15]} Be7 {[%emt 0:00:11]} 5. Nc3 {[%emt 0:00:28]} c6 {[%emt 0:00:50]} 6. e3 {[%emt 0:00:16]} Nbd7 {[%emt 0:00:12]} 7. Rc1 {[%emt 0:03:35]} O-O {[%emt 0:00:18]} 8. Bd3 {[%emt 0:00:22]} b6 {[%emt 0:00:30]} 9. O-O {[%emt 0:07:51]} Bb7 {[%emt 0:02:31]} 10. Qe2 {[%emt 0:13:05] D53: Queen's Gambit Declined: 4 Bg5 Be7: Early deviations.} dxc4 {[%emt 0:07:02]} 11. Bxc4 {[%emt 0:00:09]} c5 {[%emt 0:00:00]} 12. Ba6 {[%emt 0:03:58] &Bianco is more active.} (12. dxc5 $14 h6 13. Bxf6 Nxf6 14. Rfd1) 12... Bxa6 $11 {[%emt 0:07:41]} 13. Qxa6 {[%emt 0:00:06]} cxd4 {[%emt 0:00:08]} 14. Nxd4 {[%emt 0:01:41]} Nc5 {[%emt 0:06:47]} (14... Qc8 $5 {[%cal Rc8a6]} 15. Qe2 Qb7 $14) 15. Qe2 {[%emt 0:01:27] [#] Hoping for b4.} Rc8 $146 {[%emt 0:02:34]} ({Predecessor:} 15... h6 16. Nc6 Qc7 17. Nxe7+ Qxe7 18. Bh4 Rfd8 19. Rfd1 Rac8 20. Rxd8+ Rxd8 21. Rd1 Rxd1+ 22. Qxd1 Qd7 23. Qxd7 Nfxd7 {½-½ (33) Cabo Alvarez,C-Gonzalez,A Gijon 1999}) 16. b4 {[%emt 0:12:38]} Nce4 {[%emt 0:21:55][%mdl 8192] Loses the game.} (16... Ncd7 $16) 17. Nxe4 $18 {[%emt 0:02:21]} Nxe4 {[%emt 0:00:13]} 18. Rxc8 {[%emt 0:01:37]} Qxc8 {[%emt 0:20:12]} 19. Bxe7 {[%emt 0:00:06]} Re8 {[%emt 0:00:01]} 20. Bh4 {[%emt 0:00:24][%cal Be7h4,Bh4g3,Bg3f2][%mdl 32]} e5 {[%emt 0:00:09]} 21. Nb3 {[%emt 0:02:38]} g5 {[%emt 0:02:17]} 22. Bg3 {[%emt 0:06:17]} f5 {[%emt 0:00:10]} 23. Rc1 {[%emt 0:02:15]} Qe6 {[%emt 0:08:49]} 24. f3 {[%emt 0:07:59]} Nd6 {[%emt 0:01:44]} 25. Qd3 {[%emt 0:01:23]} f4 {[%emt 0:03:18]} 26. exf4 {[%emt 0:03:32]} gxf4 {[%emt 0:01:56]} 27. Bf2 {[%emt 0:02:00]} Nf7 {[%emt 0:01:33]} 28. Qc4 {[%emt 0:02:36]} Qd6 {[%emt 0:02:46]} 29. Qc6 {[%emt 0:02:37]} Qf8 {[%emt 0:04:27]} (29... Qxc6 $142 30. Rxc6 Re7) 30. Nd2 {[%emt 0:03:03]} Rd8 {[%emt 0:00:19]} 31. Qc3 {[%emt 0:01:14]} Qd6 {[%emt 0:00:27]} 32. Ne4 {[%emt 0:00:46]} Qe7 {[%emt 0:01:03]} 33. g3 {[%emt 0:02:55]} fxg3 {[%emt 0:00:37]} 34. hxg3 {[%emt 0:01:52]} Qe6 {[%emt 0:00:58]} 35. Qc4 {[%emt 0:01:27]} Qh6 {[%emt 0:00:23]} 36. Kg2 {[%emt 0:01:01]} Qg7 {[%emt 0:01:35]} 37. a4 {[%emt 0:01:01]} h6 {[%emt 0:00:50]} 38. a5 {[%emt 0:00:52]} bxa5 {[%emt 0:00:29]} 39. bxa5 {[%emt 0:00:09] [#] Strongly threatening Qe6.} Rd7 {[%emt 0:00:13]} 40. Qe6 {[%emt 0:00:57] White mates.} Rd8 {[%emt 0:01:55]} 41. Rc7 {[%emt 0:00:12]} Rf8 {[%emt 0:00:36]} 42. Bc5 {[%emt 0:00:37] Weighted Error Value: White=0.12 (very precise) /Black=0.58} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.21"]
[White "Palma Villanueva, Miguel Ta"]
[Black "Almendarez Verdin, Manuel Adan"]
[Result "0-1"]
[ECO "C63"]
[WhiteElo "2210"]
[BlackElo "1662"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,90,-18,-21,-30,0,-11,3,-99,-97,-132,-132,-132,-137,-171,-192,-183,-185,-240,-110,-208,-193,-212,-193,-238,-219,-233,-246,-294,-276,-235,-201,-263,-235,-310,-237,-239,-208,-209,-200,-216,-140,-224,-225,-325,-302,-353,-356,-369,-212,-260,-264,-383,-257,-651,-405,-411,-326,-308,-213,-326,-306,-300,-294,-550,-508,-762,-762,-733,0,0,0,0,11,-383,-354,-29991,-29992,-29992,-29993,-29993,-29994,-29997,-29998]} 1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:19]} f5 {[%emt 0:00:10]} 4. exf5 {[%emt 0:08:22]} e4 {[%emt 0:00:48]} 5. Ng1 {[%emt 0:12:52]} Qg5 {[%emt 0:00:49][%csl LRf5,LRg2][%mdl 1024] Black has compensation.} 6. g4 {[%emt 0:08:57] [#] C63: Ruy Lopez: Schliemann/Jaenisch Defence.} Qh4 $146 {[%emt 0:00:08] ...Nd4 is the strong threat.} ({Predecessor:} 6... h5 7. d3 Qe7 8. Be3 hxg4 9. Nc3 Nf6 10. dxe4 Nxe4 11. Qxg4 Nxc3 12. Qg6+ Qf7 13. bxc3 {1-0 (54) Sai,V (2151)-Gaehwiler,G (2360) Pune 2014}) 7. d4 {[%emt 0:03:40]} Nf6 {[%emt 0:02:58]} 8. Be2 {[%emt 0:01:29]} (8. h3 $1 $11) 8... h5 $1 $17 {[%emt 0:02:45][%cal Rh5g4] &Nero is more active.} 9. Bf4 {[%emt 0:08:30]} hxg4 {[%emt 0:03:23]} (9... Nxg4 10. Bxg4 Qxg4 11. Qxg4 hxg4 12. Nc3 $15) 10. Nc3 {[%emt 0:02:09]} Bb4 {[%emt 0:06:43]} 11. a3 {[%emt 0:08:06]} Bxc3+ {[%emt 0:02:44]} 12. bxc3 {[%emt 0:00:06]} d6 {[%emt 0:01:03]} 13. Rb1 {[%emt 0:07:04]} (13. Qd2 $142) 13... Qh5 {[%emt 0:03:36]} (13... Bxf5 $19 {[%cal Oe4e3] has better winning chances. White must now prevent ...e3!} 14. Qc1 O-O-O) 14. Qd2 {[%emt 0:01:16]} (14. h3 $17) 14... Qxf5 $19 {[%emt 0:00:48]} 15. Rb5 {[%emt 0:04:26]} Qd7 {[%emt 0:04:58]} 16. Bf1 {[%emt 0:08:43]} a6 {[%emt 0:03:15]} 17. Rb1 {[%emt 0:00:20]} Qf7 {[%emt 0:00:12]} 18. Bg2 {[%emt 0:01:43]} Qa2 {[%emt 0:01:24]} 19. Qc1 {[%emt 0:01:40]} Qc4 {[%emt 0:00:45]} 20. Qe3 {[%emt 0:01:18]} Ne7 {[%emt 0:06:53][%cal Bc6e7,Be7d5,Bd5b6,Bb6c4][%mdl 32]} (20... Qa2 21. Qc1 $17) 21. Ne2 {[%emt 0:06:33]} Ned5 {[%emt 0:02:34]} 22. Qd2 {[%emt 0:00:05]} b5 {[%emt 0:01:14][%cal Og4g3]} 23. O-O {[%emt 0:03:25]} Bb7 {[%emt 0:02:57]} 24. Rfe1 {[%emt 0:00:39]} O-O {[%emt 0:01:02]} 25. Bg3 {[%emt 0:02:35]} (25. Bg5 $17) 25... Rae8 {[%emt 0:00:48]} 26. Rb3 {[%emt 0:01:55]} (26. Nf4 {was worth a try.}) 26... Nb6 {[%emt 0:03:59][%cal Oe4e3] Pair of Knights!} 27. Nf4 {[%emt 0:00:41]} Qf7 {[%emt 0:00:13]} 28. Bf1 {[%emt 0:02:14]} d5 {[%emt 0:01:04] Inhibits c4.} (28... Nh7 $142 {aiming for ...Ng5.} 29. d5 Ng5) 29. Ng2 {[%emt 0:02:07]} Nc4 {[%emt 0:02:00]} 30. Qg5 {[%emt 0:00:16]} (30. Qe2 {keeps fighting.}) 30... Bc8 {[%emt 0:03:59][%cal Oe4e3] Hoping for ...e3!} 31. Bf4 $2 {[%emt 0:03:41]} (31. Bxc4 dxc4 32. Rbb1) 31... Nh5 {[%emt 0:00:43]} 32. Be3 {[%emt 0:00:11]} g3 {[%emt 0:01:32] Chess con chili.} 33. hxg3 {[%emt 0:00:20]} Re6 {[%emt 0:05:45][%cal Oe6g6]} 34. Be2 {[%emt 0:00:34]} (34. Bxc4 {is a better defense.} dxc4 35. Rbb1) 34... Nxe3 {[%emt 0:03:05]} 35. Qxe3 {[%emt 0:00:08]} Rf6 {[%emt 0:00:45][%cal Rf6f2]} 36. Rf1 $2 {[%emt 0:01:18]} (36. Rbb1 {might work better.}) 36... Bh3 {[%emt 0:00:55]} 37. Rbb1 {[%emt 0:00:16]} Bxg2 {[%emt 0:02:17]} 38. Kxg2 {[%emt 0:00:37]} Rf3 $2 {[%emt 0:01:27]} 39. Bxf3 $11 {[%emt 0:00:28]} exf3+ {[%emt 0:00:09]} 40. Kh2 $1 {[%emt 0:00:37] Strongly threatening Rbe1.} Qg6 {[%emt 0:01:25][%cal Oh5f4] And now ...Nf4! would win.} 41. Rfe1 $2 {[%emt 0:00:24][%mdl 8192] Now White is beyond hope.} (41. Rbe1 $11 {and White is okay.} Nf4 42. Rh1 (42. Qxf3 $2 Qh6+ 43. Kg1 Nh3+ 44. Kg2 Rxf3 $19)) 41... Nf4 $1 $19 {[%emt 0:01:32][%cal Bh5f4,Bf4h3,Bh3g5][%mdl 32] ( -> ...Qh5+)} 42. Kg1 $2 {[%emt 0:00:40] [#]} ({But not} 42. Qxf3 $2 Qh6+ 43. Kg1 Nh3+ 44. Kg2 Rxf3 45. Kxf3 Ng5+ 46. Kg4 Ne4 47. Rxe4 Qg6+ 48. Kh3 Qxe4 $19) (42. Qe7 $19 Qxc2 43. Rf1 (43. gxf4 {gets mated.} Qxf2+ 44. Kh3 Qg2+ 45. Kh4 Rxf4+ 46. Kh5 Qg4#)) 42... Qh5 $1 {[%emt 0:05:38] Black mates.} 43. Rbd1 {[%emt 0:00:24]} (43. Red1 Ne2+) 43... Nh3+ {[%emt 0:01:14]} ({Inferior is} 43... Ne2+ 44. Rxe2 $1 fxe2 45. Qe6+ Kh7 46. Re1 $14) 44. Kf1 {[%emt 0:00:07] [#]} Ng5 $1 {[%emt 0:00:09][%cal Rh5h1]} 45. Kg1 {[%emt 0:00:06] [#]} Qh3 $1 {[%emt 0:00:29] Weighted Error Value: White=0.77/Black=0.29 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.21"]
[White "Serrato, Rafael Antonio"]
[Black "Capo Vidal, Uriel"]
[Result "*"]
[WhiteElo "1707"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,8,-6]} 1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:19]} f5 {[%emt 0:00:10]} 4. exf5 {[%emt 0:08:22]} e4 {[%emt 0:00:48] [#] A rather calm draw.} {Predecessor:} 5. Qe2 $146 Qe7 6. Bxc6 {C63: Ruy Lopez: Schliemann/Jaenisch Defence.} bxc6 7. Nd4 c5 8. Nb3 a5 9. Qh5+ Kd8 10. a4 Nf6 11. Qh4 Ba6 12. Nc3 Bc4 13. Ne2 Ra6 14. Nf4 Rg8 15. Kd1 {1-0 (40) Saraci,N (2415)-Herman,M (2383) Chess.com INT 2021} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.22"]
[White "Maass Garza R, Alejandro"]
[Black "Huerta Milan, Hector"]
[Result "*"]
[WhiteElo "2265"]
[BlackElo "1672"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,15,8,30,22]} 1. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:21]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:00:28]} 3. Nc3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:15]} 4. Nf3 {[%emt 1:32:18]} Be7 {[%emt 0:00:21]} 5. Bg5 {[%emt 0:00:07]} O-O {[%emt 0:00:22]} 6. e3 {[%emt 0:00:17]} h6 {[%emt 0:00:37]} 7. Bf4 {[%emt 0:01:21]} c6 {[%emt 0:01:46]} 8. Rc1 {[%emt 1:32:29] [#] Not much happened in this game. D66: Queen's Gambit Declined: Classical: Main Line (7 Rc1 c6 8 Bd3).} {Predecessor:} Nbd7 $146 9. Bd3 Nh5 10. O-O Nxf4 11. exf4 dxc4 12. Bxc4 b5 13. Bd3 Qb6 14. Re1 Rd8 15. Qc2 Nf6 16. a3 Bd7 17. f5 a5 18. g3 Qb7 19. Rcd1 Bf8 20. Ne4 Nxe4 21. fxe6 Bxe6 22. Bxe4 {½-½ (43) Iniguez,M (2309)-Bendana Guerrero,G (2432) ICCF email 2011} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.22"]
[White "Paredes Guzman, Francisco Javier"]
[Black "Pacheco Almaraz, Jose Rodolfo"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1891"]
[BlackElo "1643"]
[Annotator "NA RC"]
[PlyCount "67"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 31,67,63,32767,32767,32767,268,573,667,593,638,764,791,939,960,1004,1300,967,568,967,1320,1116,1249,32767,32767,1829,2055,1722,710,943,923,980,624,646,634,614,625,982,470]} 1. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:21]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:00:28]} 3. Nc3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:15]} 4. Nf3 {[%emt 0:00:04]} Be7 {[%emt 0:00:21]} 5. Bg5 {[%emt 0:00:07]} O-O {[%emt 0:00:22]} 6. e3 {[%emt 0:00:17]} h6 {[%emt 0:00:37]} 7. Bf4 {[%emt 0:01:21]} c6 {[%emt 0:01:46]} 8. Rc1 {[%emt 0:00:14]} Qa5 {[%emt 0:04:34]} 9. Bd3 {[%emt 0:15:18]} dxc4 {[%emt 0:06:08]} 10. Bxc4 {[%emt 0:00:21]} b5 {[%emt 0:02:55]} 11. Bb3 {[%emt 0:00:18]} Ba6 {[%emt 0:00:09]} 12. O-O {[%emt 0:08:47]} b4 {[%emt 0:01:06]} 13. Ne2 {[%emt 0:01:32]} Bb5 {[%emt 0:00:24]} 14. Ne5 {[%emt 0:20:14]} Qa6 {[%emt 0:00:31]} 15. Re1 {[%emt 0:01:39]} Nbd7 {[%emt 0:00:10]} 16. Ng3 {[%emt 0:17:52]} Rfd8 {[%emt 0:00:14]} 17. Qf3 {[%emt 0:00:54]} Nd5 {[%emt 0:06:38] [#]} 18. Nxf7 $1 {[%emt 0:13:09]} Rf8 $2 {[%emt 0:00:28] [#]} (18... Kxf7 19. e4 N7f6) 19. Nxh6+ $1 {[%emt 0:03:34]} gxh6 {[%emt 0:04:36]} 20. Qg4+ {[%emt 0:00:10]} Kh7 {[%emt 0:01:33]} 21. Qxe6 {[%emt 0:00:33]} N7f6 {[%emt 0:03:05]} 22. Bxd5 {[%emt 0:00:48]} Nxd5 {[%emt 0:00:43]} 23. Qxh6+ {[%emt 0:00:05]} Kg8 {[%emt 0:00:09]} 24. Qg6+ {[%emt 0:00:05]} Kh8 {[%emt 0:00:32]} 25. Be5+ {[%emt 0:01:25]} Bf6 {[%emt 0:00:16]} 26. e4 {[%emt 0:00:06]} Bd3 {[%emt 0:01:54]} 27. Qh6+ {[%emt 0:00:48]} Kg8 {[%emt 0:00:57]} 28. exd5 {[%emt 0:00:10]} cxd5 {[%emt 0:00:55]} 29. Rc7 {[%emt 0:01:18]} Rf7 {[%emt 0:00:15]} 30. Rxf7 {[%emt 0:00:39]} Kxf7 {[%emt 0:00:07]} 31. Bxf6 {[%emt 0:00:57]} Qxf6 {[%emt 0:00:12]} 32. Qh5+ {[%emt 0:00:17]} Kf8 $18 {[%emt 0:01:09]} 33. Qxd5 {[%emt 0:00:15]} Rd8 {[%emt 0:00:15]} 34. Qe5 {[%emt 0:01:25]} (34. Qc5+ $142 Qd6 35. Qg5) 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.23"]
[White "Almendarez Verdin, Manuel Adan"]
[Black "Morales Garcia, Sergio Joshafatt"]
[Result "*"]
[WhiteElo "1662"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,17,14,13,-2,0,0]} 1. e4 {[%emt 0:00:08]} e5 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:05]} 3. Bc4 {[%emt 0:00:33]} Bc5 {[%emt 0:00:17]} 4. Nc3 {[%emt 0:01:35]} Nf6 {[%emt 0:00:32]} 5. d3 {[%emt 0:00:24]} h6 {[%emt 0:01:50]} 6. Be3 {[%emt 0:05:02]} Bb6 {[%emt 0:01:30]} 7. h3 {[%emt 0:04:14] 7.Nd5 is setting a new trend.} d6 {[%emt 1:29:32]} 8. Nd5 {[%emt 0:01:49] C50: Hungarian Defence and Giuoco Pianissimo.} Nxd5 {[%emt 0:01:08]} 9. Bxd5 {[%emt 0:00:11] [#] A rather calm draw.} {Predecessor:} Ne7 $146 10. Bb3 O-O 11. Qd2 Bxe3 12. Qxe3 a5 13. a4 Ng6 14. O-O-O Qf6 15. d4 Be6 16. dxe5 dxe5 17. Bxe6 Qxe6 {½-½ (46) Plotkin,V (2367)-Moradiabadi,E (2555) Tornelo INT 2021} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.23"]
[White "Gomez Carbajal, Daniel"]
[Black "Amezcua Luria, Jesus"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "2001"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,120,6,8,0,0,0,14,8,11,0,14,0,4,-39,-37,-43,0,-28,-3,-3,-7,-36,-22,-35,-17,-91,-87,-87,-76,-108,-48,-50,-50,-47,-41,-48,-24,-33,-33,-52,-45,-329,-350,-356,-38,-38,-38,-53,-38,-38,0,-31,-31,-35,0,-29,-60,-83,0,-41,0,-4,-1,-12,0,-12,0,0,0,0,0,0,0,0,0,0,35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,33,-158,-158,-511,-504,-477,-500,-490,-429,-512,-558,-550,-545,-981,-975,-935,-911]} 1. e4 {[%emt 0:00:08]} e5 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:05]} 3. Bc4 {[%emt 0:00:33]} Bc5 {[%emt 0:00:17]} 4. Nc3 {[%emt 0:01:35]} Nf6 {[%emt 0:00:32]} 5. d3 {[%emt 0:00:24]} h6 {[%emt 0:01:50]} 6. Be3 {[%emt 0:05:02]} Bb6 {[%emt 0:01:30]} 7. h3 {[%emt 0:04:14] 7.Nd5 is the modern continuation.} d6 {[%emt 0:00:25]} 8. Nd5 {[%emt 0:01:49] C50: Hungarian Defence and Giuoco Pianissimo.} Nxd5 {[%emt 0:01:08]} 9. Bxd5 {[%emt 0:00:11]} Ne7 {[%emt 0:01:25]} 10. Bb3 {[%emt 0:00:34] The position is equal.} Ng6 {[%emt 0:00:52]} 11. Qd2 {[%emt 0:00:45] [#]} Be6 $146 {[%emt 0:05:59]} ({Predecessor:} 11... Bxe3 12. fxe3 Nh4 13. Rf1 Nxf3+ 14. Rxf3 Qh4+ 15. Qf2 Qxf2+ 16. Kxf2 O-O 17. Kg3 Be6 18. Bxe6 fxe6 {½-½ (24) Al Subaihi,K-Hassan,A Penang 1991}) 12. d4 {[%emt 0:05:17]} Qe7 {[%emt 0:03:31]} 13. d5 {[%emt 0:04:25]} Bd7 {[%emt 0:00:19]} 14. c4 {[%emt 0:01:47]} f5 {[%emt 0:01:05]} 15. Bc2 {[%emt 0:01:14]} f4 {[%emt 0:00:40]} 16. Bxb6 {[%emt 0:00:11]} axb6 {[%emt 0:00:12]} 17. b4 {[%emt 0:05:16]} O-O {[%emt 0:02:38]} 18. Bb3 {[%emt 0:01:12]} Ra3 {[%emt 0:03:30]} 19. b5 {[%emt 0:04:43]} (19. Qc1 $11 Rfa8 20. O-O) 19... Rfa8 $17 {[%emt 0:01:12][%cal Oa3b3] Hoping for ...Rxb3!} 20. Rc1 {[%emt 0:03:06]} Kh7 {[%emt 0:01:29]} 21. g4 {[%emt 0:17:23]} fxg3 {[%emt 0:06:09]} ({Better is} 21... Be8 $17 22. Qc3 Nf8) 22. fxg3 $15 {[%emt 0:00:13]} Rf8 {[%emt 0:00:35]} 23. Kf2 {[%emt 0:02:09]} Rf6 {[%emt 0:05:43]} ({Don't do} 23... Nh4 24. gxh4 Qxh4+ 25. Kg2 $14) 24. Kg2 {[%emt 0:00:31]} Ra8 {[%emt 0:03:44]} 25. Rhf1 {[%emt 0:02:09]} Raf8 {[%emt 0:02:15][%cal Od7h3]} 26. Rc3 {[%emt 0:00:45]} Qd8 {[%emt 0:00:49]} 27. a4 $2 {[%emt 0:00:19][%mdl 8192]} (27. Bd1 $15) 27... Qc8 $19 {[%emt 0:00:42]} 28. Rh1 {[%emt 0:01:39] [#]} Qe8 $2 {[%emt 0:14:48]} ({Black should try} 28... Bxh3+ $1 $19 {[%mdl 512]} 29. Rxh3 Qg4) 29. Bd1 $15 {[%emt 0:00:31]} Kh8 {[%emt 0:03:15]} 30. Qe3 {[%emt 0:01:39]} Qf7 {[%emt 0:00:47]} 31. Rc2 {[%emt 0:01:16]} Qe8 {[%emt 0:17:09]} 32. Rf2 {[%emt 0:00:59]} Qa8 {[%emt 0:00:24]} 33. Rhf1 {[%emt 0:01:00]} Qa5 {[%emt 0:00:25]} 34. Nh2 {[%emt 0:03:42] aiming for Rxf6.} (34. Nh4 $5 {[%cal Rh4g6]} Rxf2+ 35. Rxf2 Rxf2+ 36. Qxf2 Nxh4+ 37. gxh4 $11) 34... Rxf2+ {[%emt 0:01:55]} 35. Rxf2 {[%emt 0:00:09]} Qa8 {[%emt 0:03:03]} (35... Rxf2+ $17 36. Qxf2 Qc3) 36. Rxf8+ {[%emt 0:02:24]} Qxf8 {[%emt 0:00:03]} 37. Ng4 {[%emt 0:01:49]} Kh7 {[%emt 0:00:23]} 38. h4 {[%emt 0:00:40]} Qf7 {[%emt 0:00:22]} 39. Qf3 {[%emt 0:00:32]} Qxf3+ {[%emt 0:00:44]} 40. Bxf3 $11 {[%emt 0:00:09][%mdl 4096] Endgame KBN-KBN} Nf8 {[%emt 0:00:43]} 41. Ne3 {[%emt 0:00:15]} g6 {[%emt 0:00:41]} 42. g4 {[%emt 0:00:11]} Kg7 {[%emt 0:01:15]} 43. Kg3 {[%emt 0:00:12]} Kf6 {[%emt 0:00:21] Prevents g5+.} 44. Be2 {[%emt 0:01:29]} Bc8 {[%emt 0:00:38]} 45. Bf3 {[%emt 0:01:51]} (45. c5 $5) 45... Nd7 {[%emt 0:00:27]} 46. Nd1 {[%emt 0:00:24]} Nc5 {[%emt 0:00:24]} 47. Nc3 {[%emt 0:00:23]} Nd3 {[%emt 0:00:35]} 48. Be2 {[%emt 0:01:15]} Nc5 {[%emt 0:01:08]} 49. Bd1 {[%emt 0:02:43]} Bd7 {[%emt 0:00:04]} 50. Bc2 {[%emt 0:00:35]} Be8 {[%emt 0:00:09]} 51. Nd1 {[%emt 0:00:33]} Bf7 {[%emt 0:00:24]} 52. Ne3 {[%emt 0:00:27][%cal Og4g5]} Bg8 {[%emt 0:00:35]} 53. h5 $2 {[%emt 0:00:59] [#]} (53. g5+ $14 {keeps the upper hand.} Kg7 54. Ng4) 53... gxh5 $1 $17 {[%emt 0:00:30] And now ...Kg5 would win.} 54. Nf5 $2 {[%emt 0:02:00] [#]} (54. Kh4 $17 {nothing else works.} hxg4 55. Nf5) 54... Kg5 $1 $19 {[%emt 0:00:41] Black is clearly winning.} 55. gxh5 {[%emt 0:01:55]} Bf7 {[%emt 0:02:06]} 56. Ng7 {[%emt 0:01:53]} Bxh5 {[%emt 0:00:34]} 57. Nf5 {[%emt 0:08:18]} Bg6 {[%emt 0:00:17][%cal Oc5e4] ...Nxe4+! is the strong threat.} 58. Ng7 {[%emt 0:02:14]} Kf6 {[%emt 0:03:51] Prevents Ne6.} 59. Nf5 {[%emt 0:01:44] [#]} Nxe4+ $1 {[%emt 0:00:38][%mdl 512]} 60. Bxe4 {[%emt 0:00:21]} Bxf5 {[%emt 0:12:21] Weighted Error Value: White=0.48/Black=0.16 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.24"]
[White "Capo Vidal, Uriel"]
[Black "Arizpe, Frank"]
[Result "1-0"]
[ECO "E76"]
[WhiteElo "2306"]
[BlackElo "1274"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,55,0,-12,62,63,65,25,27,0,50,43,48,64,98,91,141,79,260,276,270,271,279,279,255,265,302,302,319,324,317,311,314,314,312,312,315,316,425,447,523,514]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:18]} 2. c4 {[%emt 0:00:08]} g6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:10]} 4. e4 {[%emt 0:00:10]} d6 {[%emt 0:00:13]} 5. f4 {[%emt 0:00:37]} O-O {[%emt 0:00:40]} 6. Nf3 {[%emt 0:00:09]} c5 {[%emt 0:00:11]} 7. dxc5 {[%emt 0:02:03]} dxc5 {[%emt 0:00:20]} 8. Qxd8 {[%emt 0:00:07]} Rxd8 {[%emt 0:00:02]} 9. e5 {[%emt 0:00:31]} Ng4 {[%emt 0:02:54] E76: King's Indian: Four Pawns Attack: Lines specific to 6 Nf3 move-order.} (9... Ne8 $1 $11) 10. h3 {[%emt 0:02:05]} Nh6 {[%emt 0:00:13]} 11. Be3 {[%emt 0:00:21]} b6 {[%emt 0:01:07] White has an edge.} 12. Nd5 {[%emt 0:02:35]} Nc6 {[%emt 0:00:51] [#]} (12... Nf5 $11 13. Bf2 Bb7) 13. g4 $146 {[%emt 0:00:29][%cal Bg2g4,Bg4g5][%mdl 32]} ({Predecessor:} 13. O-O-O Be6 14. g4 f6 15. Bd3 Rac8 16. g5 fxg5 17. Nxg5 Bf5 18. Bxf5 Nxf5 19. Ne6 {½-½ (25) Fedoseev,V (2318)-Melnikova,Y (2264) Varna 2009}) 13... Bb7 {[%emt 0:02:56] [#] Hoping for ...e6.} 14. Bg2 {[%emt 0:03:52]} Rd7 {[%emt 0:04:30]} 15. O-O-O $36 {[%emt 0:06:40][%cal Od5f6][%mdl 2048] And now Nf6+! would win. Black is under strong pressure.} Rad8 {[%emt 0:01:32]} (15... Kh8 $142) 16. b3 {[%emt 0:06:17] &Bianco is much more active.} (16. f5 $142) 16... f5 {[%emt 0:13:57] Black cannot hold the game after this.} (16... Kh8 $16 {was necessary.}) 17. g5 $18 {[%emt 0:01:04]} Nf7 {[%emt 0:10:29]} 18. e6 $1 {[%emt 0:00:14][%csl LRd7,LRf7]} Rd6 {[%emt 0:00:31]} 19. exf7+ {[%emt 0:00:09]} Kxf7 {[%emt 0:00:17]} 20. Rhe1 {[%emt 0:02:08]} e6 {[%emt 0:04:28]} 21. Nf6 {[%emt 0:00:12]} Bxf6 {[%emt 0:02:23]} 22. gxf6 {[%emt 0:00:57]} Kxf6 {[%emt 0:01:37]} 23. Ne5 {[%emt 0:00:12]} Na5 {[%emt 0:02:25]} 24. Rxd6 {[%emt 0:00:21]} Rxd6 {[%emt 0:00:03]} 25. Bxb7 {[%emt 0:00:08]} Nxb7 {[%emt 0:00:25]} 26. Bf2 {[%emt 0:03:37]} h6 {[%emt 0:02:21]} 27. h4 {[%emt 0:01:07] [#] Strongly threatening Rg1.} Na5 {[%emt 0:00:43]} 28. Rg1 {[%emt 0:00:54] Weighted Error Value: White=0.08 (flawless) /Black=0.49} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.24"]
[White "Tapie Amione, Pablo Adib"]
[Black "Gomez Vazquez, Enrique"]
[Result "*"]
[ECO "E76"]
[WhiteElo "2241"]
[BlackElo "1661"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,21,0,3,43,44,45,12]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:18]} 2. c4 {[%emt 0:00:08]} g6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:10]} 4. e4 {[%emt 0:00:10]} d6 {[%emt 0:00:13]} 5. f4 {[%emt 0:00:37]} O-O {[%emt 0:00:40]} 6. Nf3 {[%emt 0:00:09]} c5 {[%emt 0:00:11]} 7. dxc5 {[%emt 0:02:03]} dxc5 {[%emt 0:00:20]} 8. Qxd8 {[%emt 0:00:07]} Rxd8 {[%emt 0:00:02]} 9. e5 {[%emt 0:00:31]} Ng4 {[%emt 0:02:54] E76: King's Indian: Four Pawns Attack: Lines specific to 6 Nf3 move-order.} 10. h3 {[%emt 0:02:05]} Nh6 {[%emt 0:00:13]} 11. Be3 {[%emt 0:00:21] [#]} {Predecessor:} b6 $146 12. g4 Nc6 13. Bg2 Nb4 14. Ke2 Ba6 15. b3 Bb7 16. Rad1 f6 17. a3 Nc2 {1-0 (61) Turov,M (2597)-Djuraev,S (2350) Tashkent 2013} *

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.25"]
[White "Corrales Jimenez, Zenia"]
[Black "Diaz Osorio, Ana Carolina"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2151"]
[BlackElo "1627"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,125,7,21,-37,15,20,27,-21,75,78,85,52,80,0,12,-14,-26,-46,-38,-70,-48,-51,-51,-82,-16,-247,-152,-193,-176,-254,-253,-691,-643,-631,-603,-546,-382,-426,-429,-414,-367,-373,-209,-845,-798,-1230,-1223,-29962,-29965,-6507,-6507,-29995,-29996,-29996,-1678,-1508,-1512,-1438,-1454,-1048,-288,-290,-293,-282,-279,-309,-229,-239,-170,-171,-169,-177,-177,-225,-123,-123,-123,-121,-104,-106,-18,-17,0,-119,-96,-96,-72,-83,-83,-126,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,29981,29981,29990,29991]} 1. e4 {[%emt 0:00:04]} e5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:28]} 3. d4 {[%emt 0:00:21]} exd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:37]} 5. Nxc6 {[%emt 0:00:35]} bxc6 {[%emt 0:00:33]} 6. Qe2 {[%emt 0:00:20] C45: Scotch Game.} (6. Bd3 $11) 6... Be7 {[%emt 0:02:42]} (6... Rb8 $15) 7. e5 $1 $11 {[%emt 0:06:38]} Nd5 {[%emt 0:00:21]} 8. Qg4 {[%emt 0:02:59] [#]} (8. c4 $142 $1 Nb6 9. Qg4) 8... Rg8 $146 {[%emt 0:12:19]} (8... g6 $11 {remains equal.}) ({Predecessor:} 8... g6 9. c4 Nb6 10. Bh6 d5 11. Qf3 Bg5 12. Bg7 Rg8 13. Bf6 Bxf6 14. exf6 Be6 {1-0 (27) Vallejo Pons,F (2706)-Jakovenko,D (2713) Khanty-Mansiysk 2013}) 9. Bd3 {[%emt 0:12:32]} d6 {[%emt 0:23:07]} 10. Qc4 {[%emt 0:03:51] &Bianco is more active.} Bb7 {[%emt 0:04:38]} 11. e6 {[%emt 0:03:54]} ({Reject} 11. Bxh7 $6 Rh8 12. Be4 dxe5 $15) (11. Qb3 $16 Rb8 12. exd6 cxd6 13. O-O) 11... fxe6 {[%emt 0:05:04]} 12. Bxh7 {[%emt 0:02:15]} Rh8 {[%emt 0:06:30]} 13. Bg6+ {[%emt 0:02:52]} Kd7 {[%emt 0:00:14] Hoping for ...Rh4.} 14. Nd2 {[%emt 0:01:29]} Rh4 {[%emt 0:02:25]} 15. Qb3 {[%emt 0:01:32]} Rb8 $36 {[%emt 0:04:09][%mdl 2048] White is under pressure.} 16. c4 {[%emt 0:00:36]} Ba6 {[%emt 0:06:37]} (16... Nf4 $17 17. Be4 d5) 17. Qd3 {[%emt 0:13:24]} (17. Qf3 $11 {and White stays safe.}) 17... Qh8 {[%emt 0:06:08]} 18. g3 {[%emt 0:28:18]} Rxh2 {[%emt 0:01:32]} 19. Rxh2 {[%emt 0:00:03]} (19. Rf1 {was called for.}) 19... Qxh2 $19 {[%emt 0:00:12]} 20. Qd4 $2 {[%emt 0:05:50]} (20. Nf1 Qh3 21. a3) 20... Qg1+ {[%emt 0:03:38]} 21. Ke2 {[%emt 0:00:42]} Rf8 {[%emt 0:04:26] Threatens to win with ...c5.} 22. Nf3 {[%emt 0:06:45]} Qh1 {[%emt 0:02:21]} 23. Be4 {[%emt 0:00:52]} Bf6 {[%emt 0:03:57]} 24. Qd3 {[%emt 0:01:21][%cal Of3e5] Ne5+! is the strong threat.} Nb4 {[%emt 0:00:15]} 25. Qb3 {[%emt 0:00:29][%cal Of3e5] [#] And now Ne5+! would win.} d5 {[%emt 0:03:05]} (25... Qh5 $142 $1 26. Qxb4 (26. Ke1 c5) 26... d5 $1 {[%mdl 512]}) 26. Qxb4 $2 {[%emt 0:02:45] [#]} (26. Ne5+ Bxe5 27. Bxh1 Bxc4+ 28. Qxc4 dxc4 29. Bd2) 26... dxe4 $1 {[%emt 0:00:13]} 27. Nd2 {[%emt 0:02:21]} (27. Nh2 Qxh2) 27... Be7 {[%emt 0:02:29]} 28. Qa5 {[%emt 0:00:09] [#]} Bxc4+ $1 {[%emt 0:03:24][%mdl 512]} 29. Nxc4 {[%emt 0:00:56]} Qf3+ {[%emt 0:00:04]} 30. Ke1 {[%emt 0:00:03]} Qxf2+ {[%emt 0:00:22]} 31. Kd1 {[%emt 0:00:01]} Qf1+ {[%emt 0:00:43]} (31... Qf3+ $142 32. Ke1 Qf1+ 33. Kd2 Qd3+ 34. Ke1 Rf1#) 32. Qe1 {[%emt 0:00:08]} Qxc4 {[%emt 0:00:11]} 33. Bf4 {[%emt 0:00:16]} Bb4 {[%emt 0:00:58]} 34. Qe2 {[%emt 0:00:13]} Qxe2+ $2 {[%emt 0:00:31]} (34... Qd5+ 35. Kc2 Qc5+ 36. Kb3 Rb8) 35. Kxe2 {[%emt 0:00:02][%mdl 4096] Endgame KRB-KRB} Rh8 {[%emt 0:00:10]} 36. Ke3 {[%emt 0:01:13]} Rh2 {[%emt 0:00:40]} 37. Rb1 {[%emt 0:00:09]} Bd6 {[%emt 0:02:27]} 38. Kxe4 {[%emt 0:00:07]} Bxf4 {[%emt 0:00:13]} 39. gxf4 {[%emt 0:00:09] KR-KR} c5 {[%emt 0:00:52]} 40. a3 {[%emt 0:00:30]} g6 {[%emt 0:00:29]} 41. Rc1 {[%emt 0:01:29]} (41. b4 $142) 41... Rxb2 {[%emt 0:00:15]} (41... Re2+ $19 42. Kd3 Rxb2 43. Rxc5 Rb3+ 44. Ke4 Rxa3) 42. Rxc5 $17 {[%emt 0:00:01]} a6 {[%emt 0:01:06]} 43. Ra5 {[%emt 0:00:50]} Rb6 {[%emt 0:00:06]} 44. Rg5 {[%emt 0:00:03]} Rb3 {[%emt 0:00:22]} (44... Rb5 $17 {( -> ...Rxg5)} 45. Rxg6 Ra5) 45. Ra5 $11 {[%emt 0:00:08]} Rb6 {[%emt 0:01:06]} ({Black should try} 45... Rb5 $11 46. Rxa6 Rb1) 46. Rg5 $17 {[%emt 0:00:02]} Rd6 {[%emt 0:00:42]} 47. Rxg6 {[%emt 0:00:08]} c5 {[%emt 0:00:12]} 48. Rg7+ {[%emt 0:01:49]} Kc6 {[%emt 0:00:06]} 49. Ke5 {[%emt 0:00:04] [#]} Rd4 {[%emt 0:00:34]} (49... c4 $1 $17 {[%cal Rc4c3] White must now prevent ...c3.} 50. Rg1 Kc5) 50. Re7 $11 {[%emt 0:01:40]} Rd5+ {[%emt 0:01:04]} 51. Kxe6 {[%emt 0:00:06][%cal Oe7c7] aiming for Rc7+!} Rd6+ {[%emt 0:00:03]} 52. Ke5 {[%emt 0:00:21]} Rd5+ {[%emt 0:00:12]} 53. Ke4 {[%emt 0:00:43][%cal Oe7c7] Strongly threatening Rc7+!} Rd4+ {[%emt 0:00:07]} 54. Kf3 {[%emt 0:00:04]} Kd6 {[%emt 0:00:54]} 55. Re3 {[%emt 0:00:08]} c4 {[%emt 0:01:10]} 56. f5 {[%emt 0:02:55]} Kc5 {[%emt 0:00:34]} 57. f6 {[%emt 0:00:55] White threatens f7 and mate.} Rd1 {[%emt 0:00:34]} 58. Ke2 {[%emt 0:00:18] Inhibits Rf1.} Rd7 {[%emt 0:00:14]} 59. Re7 {[%emt 0:00:27]} Rd6 {[%emt 0:00:17]} 60. Re5+ {[%emt 0:00:33]} Kb6 {[%emt 0:00:56]} 61. Rf5 {[%emt 0:00:36] White wants to mate with f7.} c3 $2 {[%emt 0:00:16][%mdl 8192]} (61... Rd8 $11) 62. f7 {[%emt 0:00:01]} c2 {[%emt 0:00:47]} 63. f8=Q {[%emt 0:00:07] What a bad dream for Black.  Weighted Error Value: White=0.63/Black=0.59} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.26"]
[White "Flores Rodriguez, Astrid Aphril"]
[Black "Ancheyta Tejas, Claudinelly"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1662"]
[BlackElo "1789"]
[Annotator "NA RC"]
[PlyCount "119"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:08]} d5 {[%emt 0:00:07]} 2. exd5 {[%emt 0:00:26]} Qxd5 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:08]} Qa5 {[%emt 0:00:09]} 4. g3 {[%emt 0:00:33]} Nf6 {[%emt 0:01:05]} 5. Bg2 {[%emt 0:00:13]} Bg4 {[%emt 0:03:42]} 6. Nge2 {[%emt 0:01:51]} Nc6 {[%emt 0:01:51]} 7. h3 {[%emt 0:01:51]} Bh5 {[%emt 0:01:18]} 8. O-O {[%emt 0:01:40]} e5 {[%emt 0:07:11]} 9. d3 {[%emt 0:02:31]} Bb4 {[%emt 0:22:55]} 10. g4 {[%emt 0:12:54]} Bg6 {[%emt 0:01:14]} 11. Be3 {[%emt 0:04:16]} O-O {[%emt 0:03:26]} 12. a3 {[%emt 0:02:40]} Bxc3 {[%emt 0:01:03]} 13. Nxc3 {[%emt 0:02:35]} Qa6 {[%emt 0:11:25]} 14. f4 {[%emt 0:09:04]} exf4 {[%emt 0:00:26]} 15. Rxf4 {[%emt 0:01:00]} Ne5 {[%emt 0:02:49]} 16. Qd2 {[%emt 0:03:26]} Rfe8 {[%emt 0:08:33]} 17. Raf1 {[%emt 0:13:09]} Rad8 {[%emt 0:00:34]} 18. Qf2 {[%emt 0:03:59]} Qe6 {[%emt 0:10:02]} 19. Bd2 {[%emt 0:02:29]} a6 {[%emt 0:05:53]} 20. Re1 {[%emt 0:06:42]} Qd6 {[%emt 0:03:21]} 21. Ne4 {[%emt 0:07:48]} Nxe4 {[%emt 0:01:21]} 22. Bxe4 {[%emt 0:00:16]} Bxe4 {[%emt 0:00:55]} 23. Rfxe4 {[%emt 0:01:01]} c5 {[%emt 0:02:41]} 24. Bc3 {[%emt 0:08:39]} f6 {[%emt 0:00:09]} 25. Qf4 {[%emt 0:01:01]} g5 {[%emt 0:06:43]} 26. Qf5 {[%emt 0:02:28]} h6 {[%emt 0:01:46]} 27. Bxe5 {[%emt 0:01:09]} fxe5 {[%emt 0:00:09]} 28. Rxe5 {[%emt 0:00:50]} Rf8 {[%emt 0:01:29]} 29. Qe6+ {[%emt 0:01:09]} Qxe6 {[%emt 0:00:18]} 30. Rxe6 {[%emt 0:00:08]} Kg7 {[%emt 0:00:18]} 31. Rf1 {[%emt 0:02:50]} Rfe8 {[%emt 0:01:31]} 32. Rfe1 {[%emt 0:00:18]} Rf8 {[%emt 0:00:14]} 33. Re7+ {[%emt 0:00:19]} Rf7 {[%emt 0:00:08]} 34. Rxf7+ {[%emt 0:00:51]} Kxf7 {[%emt 0:00:08]} 35. Re4 {[%emt 0:01:24]} Rd6 {[%emt 0:01:16]} 36. Kf2 {[%emt 0:02:53]} Rf6+ {[%emt 0:00:50]} 37. Ke2 {[%emt 0:00:56]} Rb6 {[%emt 0:00:27]} 38. b3 {[%emt 0:00:35]} Rd6 {[%emt 0:00:20]} 39. Re5 {[%emt 0:00:44]} b6 {[%emt 0:00:08]} 40. c3 {[%emt 0:00:51]} Kf6 {[%emt 0:00:44]} 41. Rf5+ {[%emt 0:00:30]} Kg6 {[%emt 0:00:06]} 42. Re5 {[%emt 0:00:41]} Kf6 {[%emt 0:01:05]} 43. Re4 {[%emt 0:00:06]} Kf7 {[%emt 0:00:17]} 44. d4 {[%emt 0:00:52]} cxd4 {[%emt 0:00:09]} 45. cxd4 {[%emt 0:00:05]} Re6 {[%emt 0:00:36]} 46. Kd3 {[%emt 0:00:48]} Rxe4 {[%emt 0:00:26]} 47. Kxe4 {[%emt 0:00:06]} Ke6 {[%emt 0:00:03]} 48. d5+ {[%emt 0:00:38]} Kd6 {[%emt 0:00:06]} 49. Kd4 {[%emt 0:00:12]} a5 {[%emt 0:00:59]} 50. b4 {[%emt 0:02:54]} a4 {[%emt 0:00:38]} 51. Kc4 {[%emt 0:00:35]} Ke5 {[%emt 0:01:38]} 52. Kb5 {[%emt 0:00:16]} Kxd5 {[%emt 0:00:13]} 53. Kxb6 {[%emt 0:00:07]} Kc4 {[%emt 0:00:07]} 54. Kc6 {[%emt 0:00:19]} Kb3 {[%emt 0:00:38]} 55. b5 {[%emt 0:00:06]} Kxa3 {[%emt 0:00:04]} 56. b6 {[%emt 0:00:04]} Kb2 {[%emt 0:02:05]} 57. b7 {[%emt 0:00:08]} a3 {[%emt 0:00:16]} 58. b8=Q+ {[%emt 0:00:07]} Kc3 {[%emt 0:00:09]} 59. Qh8+ {[%emt 0:00:40]} Kc2 {[%emt 0:00:09]} 60. Qa1 {[%emt 0:00:34]} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "2.27"]
[White "Real Pereyra, Diana Carime"]
[Black "Ortega Beltran, Ximena"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2049"]
[BlackElo "1725"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,86,9,-4,8,-20,21,17,26,0,6,6,43,30,31,20,65,52,50,52,43,45,52,52,51,56,53,42,44,19,57,36,57,60,56,38,57,34,50,48,61,56,65,63,60,26,19,25,63,56,72,48,58,43,54,38,38,0,0,0,0,0,133,0,0,-216,0,-120,-82,-29996,-29997,-29997,-29998]} 1. e4 {[%emt 0:00:09]} c5 {[%emt 0:00:41]} 2. Nc3 {[%emt 0:00:20]} g6 {[%emt 0:00:46]} 3. Nf3 {[%emt 0:01:19]} Bg7 {[%emt 0:00:39]} 4. Bc4 {[%emt 0:00:58]} Nc6 {[%emt 0:00:49]} 5. O-O {[%emt 0:00:40]} d6 {[%emt 0:05:39]} 6. h3 {[%emt 0:00:20]} Nf6 {[%emt 0:00:32]} 7. d4 {[%emt 0:01:34]} cxd4 {[%emt 0:03:17]} 8. Nxd4 {[%emt 0:06:59]} O-O {[%emt 0:03:02]} 9. Nf3 {[%emt 0:00:06] Recently 9.Re1 got a lot of attention.} a6 {[%emt 0:00:41] B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} 10. Re1 {[%emt 0:00:55]} Bd7 {[%emt 0:04:57]} 11. Bb3 {[%emt 0:00:47]} Na5 {[%emt 0:02:27] The position is equal.} 12. Nd5 {[%emt 0:00:28]} Nxb3 {[%emt 0:02:25]} 13. axb3 {[%emt 0:00:10]} Rc8 {[%emt 0:03:42]} 14. c3 {[%emt 0:00:25]} Bc6 {[%emt 0:01:29]} 15. Bg5 {[%emt 0:02:08] [#]} e5 $146 {[%emt 0:04:07]} ({Predecessor:} 15... Bxd5 16. exd5 h6 17. Bf4 Re8 18. Qd2 Kh7 19. Rad1 b5 20. Re2 Qb6 21. Rde1 Qb7 {1-0 (38) Salazar Gould,M (1968)-Quezada Pauker,K (1498) Tornelo INT 2020}) 16. Qd2 {[%emt 0:04:48]} Bxd5 {[%emt 0:09:34]} 17. Bxf6 {[%emt 0:05:51]} Bxf6 {[%emt 0:00:17]} 18. Qxd5 {[%emt 0:00:06]} Qb6 {[%emt 0:00:16]} 19. Red1 {[%emt 0:01:44]} Be7 {[%emt 0:08:45]} 20. b4 {[%emt 0:12:25] Against Rc5} Kg7 {[%emt 0:04:58]} 21. Rd2 {[%emt 0:12:11]} f5 {[%emt 0:12:30]} 22. Re1 {[%emt 0:11:41]} Rce8 {[%emt 0:08:46]} 23. Rde2 {[%emt 0:11:59]} fxe4 {[%emt 0:06:51]} 24. Rxe4 {[%emt 0:00:43]} Rf7 {[%emt 0:00:55]} 25. R1e2 {[%emt 0:12:29]} Ref8 {[%emt 0:00:23]} 26. Qd2 {[%emt 0:01:34]} Qc6 {[%emt 0:03:44] [#]} 27. Nd4 $1 {[%emt 0:05:26]} Qc8 {[%emt 0:02:04]} (27... Qd7 28. Nc2) 28. Nc2 {[%emt 0:01:21]} Qd8 {[%emt 0:03:33]} 29. Qd1 {[%emt 0:04:41]} Bh4 {[%emt 0:00:48][%cal Rh4f2]} 30. g3 {[%emt 0:00:16]} Bg5 {[%emt 0:01:50]} 31. h4 {[%emt 0:00:02]} Be7 {[%emt 0:02:53]} 32. Ne3 {[%emt 0:00:04]} Qb6 {[%emt 0:00:34]} 33. Qd2 {[%emt 0:00:46]} Qc6 {[%emt 0:00:48]} 34. Nd5 {[%emt 0:00:15]} (34. Ng4 b5 $11) 34... Bd8 {[%emt 0:00:02]} 35. b3 {[%emt 0:00:22]} Rf3 {[%emt 0:01:22]} 36. Kg2 {[%emt 0:00:16]} Qd7 {[%emt 0:00:26]} 37. Ne3 {[%emt 0:01:45][%cal Oe4e5] Prevents Qf5.} Qf7 {[%emt 0:00:23]} 38. c4 {[%emt 0:00:27]} Bb6 {[%emt 0:00:38]} (38... Rxg3+ $11 39. fxg3 Qf3+ 40. Kh2 Qxe4) 39. Kg1 {[%emt 0:00:55]} (39. Qxd6 $2 Rxf2+ 40. Rxf2 Qxf2+ 41. Kh3 Bd4 $19) (39. c5 $1 $16 {[%cal Rc5b6]} dxc5 40. Rxe5 cxb4 41. Re7 Rxf2+ 42. Kh3 Qxe7 43. Nf5+ $1 {[%mdl 512]} R8xf5 44. Rxe7+ Rf7 45. Qxb4 Rxe7 46. Qxe7+ Rf7 47. Qe5+ Kg8 48. h5 gxh5 49. Qg5+ (49. Qxh5 Bd8 $16) 49... Kh8 50. Qxh5) 39... Bd4 $11 {[%emt 0:00:39]} 40. Kg2 $2 {[%emt 0:00:07] [#]} (40. Rxd4 $11 exd4 41. Ng4) 40... Qd7 $2 {[%emt 0:00:56]} ({Worse is} 40... Rxg3+ 41. fxg3 Qf3+ 42. Kh2 Qxe4 43. Nc2 Qxe2+ 44. Qxe2) (40... Bc3 $1 $19 {[%mdl 512]} 41. Qc2 {[#]} (41. Qxc3 $2 Rxf2+ 42. Rxf2 Qxf2+ 43. Kh1 Qf3+ 44. Kh2 Qxe4 $19) 41... Be1 $1 {[%mdl 512]}) 41. Nd1 {[%emt 0:00:40]} (41. Rxd4 $11 {keeps the balance.} exd4 42. Qxd4+ Kg8 43. Ng4) 41... Qc6 {[%emt 0:00:37] &Nero is much more active.} 42. Rxd4 $4 {[%emt 0:00:42][%mdl 8192]} (42. Kh2 $17) 42... Rxf2+ $1 {[%emt 0:00:48]} ({Inferior is} 42... exd4 43. Qxd4+ Kg8 44. Kh2 $17) 43. Kh3 {[%emt 0:00:31]} Qg2+ {[%emt 0:00:01] Weighted Error Value: White=0.48/Black=0.23 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.1"]
[White "Mareco, Sandro"]
[Black "Galaviz Medina, Sion Radamantys"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2643"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,55,3,17,0,0,3,18,16,23,12,29,22,33,27,23,27,29,30,36,31,64,9,58,3,43,0,0,-13,21,0,0,-10,14,0,0,0,52,0,7,0,126,136,120,120,112,120,136,-693]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:13]} 2. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:04]} 3. Bb5+ {[%emt 0:00:04]} Nd7 {[%emt 0:00:08]} 4. a4 {[%emt 0:00:05]} Ngf6 {[%emt 0:05:43]} 5. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:01:40]} 6. Be2 {[%emt 0:00:06] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} e6 {[%emt 0:00:48]} 7. O-O {[%emt 0:00:18]} Be7 {[%emt 0:00:08]} 8. d4 {[%emt 0:00:08] The position is equal.} cxd4 {[%emt 0:00:28]} 9. Qxd4 {[%emt 0:00:06]} O-O {[%emt 0:00:45]} 10. a5 {[%emt 0:03:33] [#]} Nb8 $146 {[%emt 0:16:13][%cal Bd7b8,Bb8c6,Bc6e5][%mdl 32]} ({Predecessor:} 10... e5 11. Qe3 b6 12. axb6 Nxb6 13. Bd3 Bb7 14. Qe2 Nfd7 15. Rxa6 Bxa6 16. Bxa6 Nc5 {0-1 (42) Hammer,J (2635)-Solodovnichenko,Y (2572) Sweden 2019}) 11. Rd1 {[%emt 0:07:32]} Nc6 {[%emt 0:03:49][%csl LRa5,LRd4]} 12. Qa4 {[%emt 0:00:08][%cal Oe4e5]} Bd7 {[%emt 0:00:47]} 13. Be3 {[%emt 0:06:17]} Qb8 {[%emt 0:05:05]} 14. Qb3 {[%emt 0:01:13]} Rc8 {[%emt 0:00:46]} 15. h3 {[%emt 0:03:18] &Bianco is much more active.} (15. Nd2 $14) 15... h6 {[%emt 0:07:58]} (15... Bd8 $11 {is superior.}) 16. Bb6 {[%emt 0:12:56]} (16. Nd2 $1 $14) 16... Ne5 {[%emt 0:06:20]} 17. Nd2 {[%emt 0:14:43]} Bc6 {[%emt 0:09:51]} 18. Be3 {[%emt 0:00:31]} Ned7 {[%emt 0:08:20]} 19. Bf3 {[%emt 0:00:25]} Ne5 {[%emt 0:00:34]} 20. Be2 {[%emt 0:00:13]} Ned7 {[%emt 0:00:18]} 21. Bf3 {[%emt 0:07:40]} Ne5 {[%emt 0:00:21]} 22. Be2 {[%emt 0:42:01]} Bd7 ({Black should try} 22... d5 $11) 23. Nf3 {[%emt 0:00:30]} Nc6 24. Nd2 d5 {[%emt 0:32:11] Against Nc4} (24... Ne5 $11) 25. exd5 $16 exd5 26. Nxd5 Nxd5 27. Qxd5 Be6 28. Qb3 $2 {[%mdl 40960] Weighted Error Value: White=0.17 (very precise) /Black=0.25 (precise) . An unexpected result.} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.2"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Hernandez Guerrero, Gilberto"]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "2393"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,61,21,14,0,0,0,44,44,39,32,37,42,51,53,39,49,49,50,44,51,56,14,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,328,-29987,0,-16]} 1. e4 {[%emt 0:00:11] Ribli,Z} c5 {[%emt 0:00:23]} 2. Nf3 {[%emt 0:00:09]} e6 {[%emt 0:01:50]} 3. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:04]} Nc6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:00:25]} 6. Be3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:26]} 7. g4 {[%emt 0:00:08][%cal Bg2g4,Bg4g5][%mdl 32] B46: Sicilian: Taimanov: 5 Nc3 a6.} Bb4 {[%emt 0:04:00]} 8. Bg2 {[%emt 0:00:17]} d5 {[%emt 0:03:45]} 9. Nxc6 {[%emt 0:08:39] White is slightly better.} bxc6 {[%emt 0:00:46]} 10. g5 {[%emt 0:00:09]} Nxe4 {[%emt 0:15:39]} 11. Bxe4 {[%emt 0:00:23]} Bxc3+ {[%emt 0:00:50]} 12. bxc3 {[%emt 0:00:09][%cal Od1d4] [#] Strongly threatening Qd4!} dxe4 {[%emt 0:00:03]} 13. Qxd8+ {[%emt 0:00:12]} Kxd8 {[%emt 0:00:06]} 14. O-O-O+ {[%emt 0:00:13] [#]} Ke8 $146 {[%emt 0:03:44]} ({Predecessor:} 14... Kc7 15. Bf4+ Kb7 16. Be5 f6 17. gxf6 gxf6 18. Bxf6 Rf8 19. Be5 Rf5 20. Bg3 Ra5 {1-0 (49) Hector,J (2553)-Hansen,C (2610) Malmo 2003 CBM 095 [Ribli,Z]}) 15. Rd6 {[%emt 0:11:46][%mdl 1024] Rhd1 is the strong threat. White has compensation.} e5 {[%emt 0:00:29]} 16. Rhd1 {[%emt 0:02:43] [#] aiming for Rd8+.} Bg4 {[%emt 0:01:46]} 17. R1d2 {[%emt 0:00:04]} Rc8 {[%emt 0:00:46]} 18. Kb2 {[%emt 0:16:06]} Ke7 {[%emt 0:14:43]} 19. Bc5 {[%emt 0:03:05][%cal Oh2h3] And now h3! would win.} Ke8 {[%emt 0:00:06]} ({Much less strong is} 19... Rb8+ 20. Kc1 Ke8 21. Rxc6 $16) 20. c4 {[%emt 0:16:24]} h6 {[%emt 0:03:02]} 21. gxh6 {[%emt 0:08:20]} Rxh6 {[%emt 0:01:54]} 22. Rxh6 {[%emt 0:00:16]} gxh6 $11 {[%emt 0:00:06][%mdl 4096] Endgame KRB-KRB} 23. Rd6 {[%emt 0:00:05]} Be6 {[%emt 0:05:31]} 24. Kc3 {[%emt 0:00:15]} h5 {[%emt 0:00:11]} 25. h4 {[%emt 0:02:55]} Rc7 {[%emt 0:42:12]} 26. a4 {[%emt 0:30:34]} Ke7 27. Rxc6+ {[%emt 0:00:30]} Kd7 28. Rd6+ {[%emt 0:00:30]} Ke8 {[%emt 0:01:30]} 29. Kb4 Ke7 $2 {[%mdl 8192]} (29... a5+ $11 {and Black has nothing to worry.} 30. Kb5 Rc8) 30. Ka5 $4 {[%emt 0:01:00][%mdl 8192]} Kf6 $2 (30... Rxc5+ {mates} 31. Kb4 Rxc4+ 32. Ka3 Kxd6 33. Kb3 f5 34. c3 f4 35. Kc2 Rxa4 36. c4 Bxc4 37. Kc3 Kc5 38. Kb2 Ra2+ 39. Kc1 Rxf2 40. Kb1 Kb4 41. Ka1 Kb3 42. Kb1 Rf1#) 31. Kb6 {Weighted Error Value: White=0.39/Black=0.55} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.3"]
[White "Cordova, Emilio"]
[Black "Benitez Lozano, Javier"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2534"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 26,77,78,22,36,33,57,8,66,54,81,24,162,161,162,156,159,160,182,150,182,171,231,226,233,226,341,373,366,370,373,358,351,356,342,346,781,556,797,801,791,773,892,867,2503,2376,6805,6937,4822,3320,29984,29985,29987,29975]} 1. Nf3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:56]} 2. g3 {[%emt 0:02:11]} b6 {[%emt 0:01:34]} 3. Bg2 {[%emt 0:00:18]} Bb7 {[%emt 0:00:15]} 4. O-O {[%emt 0:00:17]} e6 {[%emt 0:00:38]} 5. c4 {[%emt 0:00:27]} c5 {[%emt 0:01:32]} 6. Nc3 {[%emt 0:01:06]} d6 {[%emt 0:07:02]} 7. Re1 {[%emt 0:01:01]} Be7 {[%emt 0:06:31]} 8. e4 {[%emt 0:01:10]} a6 {[%emt 0:06:11]} 9. d4 {[%emt 0:00:47]} cxd4 {[%emt 0:01:01]} 10. Nxd4 {[%emt 0:00:17]} Qc7 {[%emt 0:03:11]} 11. Be3 {[%emt 0:01:44]} Nbd7 {[%emt 0:02:56]} 12. Rc1 {[%emt 0:00:36]} O-O {[%emt 0:03:31]} 13. f4 {[%emt 0:00:31]} Rfe8 {[%emt 0:10:56]} 14. Bf2 {[%emt 0:10:46]} (14. g4 $16 {g5 is the strong threat.} Nc5 15. Bf2) 14... Rad8 {[%emt 0:13:12] A30: Symmetrical English: Double Fianchetto and Hedgehog.} (14... Qxc4 $2 15. e5 dxe5 16. Bxb7 (16. Nd5 Qxd5 17. Bxd5 Nxd5 $16) 16... exd4 17. Nd5 $1 {[%mdl 512]} (17. Bxd4 Bc5 $11) (17. Qxd4 Qxd4 18. Bxd4 Ra7 $11) 17... Qxd5 18. Bxd5 Nxd5 19. a3 $18 (19. Bxd4 g6 $18)) 15. Qe2 {[%emt 0:03:57]} Bf8 {[%emt 0:18:01] [#]} 16. b4 $146 {[%emt 0:06:45]} (16. Nb3 $14) ({Predecessor:} 16. e5 Bxg2 17. Kxg2 dxe5 18. fxe5 Nxe5 19. Qxe5 Qxe5 20. Rxe5 Ng4 21. Nf3 Nxe5 22. Nxe5 {1-0 (44) Rotstein,A (2500)-Fercec,N (2458) Arco 2001}) 16... g6 {[%emt 0:10:39]} (16... Rc8 $11) 17. b5 {[%emt 0:11:26][%cal Od4c6] &Bianco is more active.} e5 {[%emt 0:06:07] [#]} 18. Nd5 {[%emt 0:00:12]} (18. bxa6 $1 $16 Bxa6 19. Ndb5) 18... Bxd5 {[%emt 0:01:23]} (18... Nxd5 $11 19. cxd5 Nc5 20. fxe5 dxe5) 19. cxd5 $18 {[%emt 0:00:12]} Nc5 {[%emt 0:00:16]} 20. fxe5 {[%emt 0:02:25]} dxe5 {[%emt 0:00:49]} 21. Nc6 $36 {[%emt 0:00:12][%mdl 2048] White has strong initiative.} Ra8 {[%emt 0:00:32]} 22. bxa6 {[%emt 0:01:15]} Nxa6 {[%emt 0:01:13]} 23. Qf3 {[%emt 0:01:14]} Bg7 {[%emt 0:01:38] [#]} (23... Qd6 $142 24. Bxb6 Nd7) 24. a4 $1 {[%emt 0:00:44]} Nb8 {[%emt 0:01:39]} 25. Bf1 {[%emt 0:02:44]} Nxc6 {[%emt 0:00:43]} (25... Qb7 {might work better.} 26. Bb5 Nbd7) 26. Rxc6 {[%emt 0:00:35]} Qe7 {[%emt 0:00:12]} 27. Bb5 {[%emt 0:02:01]} ({Weaker is} 27. Rxb6 Rxa4 28. d6 (28. Bb5 Ra3 $16) 28... Qd8 $18) 27... Reb8 {[%emt 0:00:40]} 28. Rf1 {[%emt 0:05:30]} Ne8 {[%emt 0:00:38]} 29. Bxb6 {[%emt 0:00:32]} Rxb6 {[%emt 0:00:33]} 30. Rxb6 {[%emt 0:00:05]} Bf8 $2 {[%emt 0:00:29]} (30... Nd6 31. Rc6 Bf8) 31. Kh1 {[%emt 0:00:15]} Ra7 {[%emt 0:00:29]} 32. Bxe8 {[%emt 0:04:02]} Qxe8 {[%emt 0:00:06]} 33. a5 {[%emt 0:00:21][%cal Ba4a5,Ba5a6][%mdl 32]} Be7 {[%emt 0:00:55]} 34. a6 {[%emt 0:00:24]} f6 {[%emt 0:00:30]} 35. Qb3 {[%emt 0:00:41]} Bd8 {[%emt 0:00:27]} 36. Rc6 {[%emt 0:00:37][%cal Bb6c6,Bc6f6,Bf6f8][%mdl 32] Threatening mate with Qb8.} Qd7 {[%emt 0:00:30]} 37. Qb8 {[%emt 0:00:46]} Qe7 {[%emt 0:00:33]} 38. Rcxf6 {[%emt 0:00:43]} Rd7 {[%emt 0:00:29]} 39. Rf8+ {[%emt 0:00:12] Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.26 (precise) /Black=0.53} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.4"]
[White "Rosales Campos, Paul"]
[Black "Salinas Herrera, Pablo"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2039"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,96,39,27,63,64,90,55,66,39,40,10,16,14,10,16,72,37,71,64,117,108,162,59,67,45,170,-23,-9,-37,-35,-53,-61,-45,-47,-42,0,0,0,-19,-20,-78,-47,-60,-52,-62,-53,-67,-41,-83,-82,-87,-86,-148,-69,-151,-122,-158,-161,-163,-168,-166,-168,-169,-149,-164,-162,-154,-143,-175,-176,-286,-286,-279,-279,-220,-52,-1133,-1095,-1106,-631,-1079,-978,-971,-900]} 1. e4 {[%emt 0:01:41]} c5 {[%emt 0:01:36]} 2. Nf3 {[%emt 0:00:32][%cal Bg1f3,Bf3d4,Bd4c2][%mdl 32]} e6 {[%emt 0:00:04]} 3. d4 {[%emt 0:05:11]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:14]} a6 {[%emt 0:00:03]} 5. c4 {[%emt 0:05:11]} Nf6 {[%emt 0:00:05]} 6. Nc3 {[%emt 0:06:07]} Qc7 {[%emt 0:01:01]} 7. Be2 {[%emt 0:01:13]} Bb4 {[%emt 0:00:06]} 8. Nc2 {[%emt 0:02:02]} Be7 {[%emt 0:11:18] B41: Sicilian: Kan Variation: 5 c4.} 9. Be3 {[%emt 0:02:44]} d6 {[%emt 0:00:14]} 10. O-O {[%emt 0:04:53]} b6 {[%emt 0:00:28] White is slightly better.} 11. f4 {[%emt 0:06:13] [#]} Bb7 $146 {[%emt 0:00:06]} ({Predecessor:} 11... O-O 12. g4 Bb7 13. Bd3 d5 14. e5 Ne4 15. Bxe4 dxe4 16. Qe2 Nd7 17. Rfd1 Nc5 18. Bxc5 Bxc5+ {0-1 (23) Sideris,T (2077)-Shavtvaladze,N (2399) Korinthos 2002}) 12. Qd3 {[%emt 0:02:23]} Nbd7 {[%emt 0:00:26]} 13. b4 {[%emt 0:08:27]} Rc8 {[%emt 0:03:35][%cal Ob6b5]} 14. Rac1 {[%emt 0:02:41]} h5 {[%emt 0:04:23]} (14... O-O $11) 15. h3 {[%emt 0:08:13]} h4 {[%emt 0:00:51]} 16. Nd4 {[%emt 0:12:14]} g6 {[%emt 0:07:53]} (16... O-O $14) 17. a3 $16 {[%emt 0:06:38]} Nh5 {[%emt 0:03:20]} (17... Qb8 $16 {was called for.}) 18. Rfd1 {[%emt 0:06:43]} (18. f5 $18 Ne5 19. Qd1) 18... Ng3 $14 {[%emt 0:01:26][%cal Og6g5]} 19. Bf3 {[%emt 0:00:08]} g5 {[%emt 0:00:55] [#]} (19... Qxc4 $2 20. Qd2 $18) (19... O-O $14) 20. e5 $2 {[%emt 0:07:45]} ({Worse is} 20. fxg5 Ne5 21. Qd2 Rg8 $15) ({Only move:} 20. Nd5 $1 $18 {[%cal Rd5c7][%mdl 512]} exd5 21. cxd5) 20... Bxf3 $1 $11 {[%emt 0:00:07]} (20... dxe5 $2 21. Nxe6 $1 fxe6 22. Qg6+ Kf8 23. Qxe6 $18) 21. exd6 {[%emt 0:04:44]} (21. Nxf3 {looks sharper.} gxf4 22. Bxf4 dxe5 23. Bxg3 hxg3 24. Ne4) 21... Qxd6 {[%emt 0:02:19]} 22. Nxf3 {[%emt 0:00:48]} Qxd3 {[%emt 0:00:06]} 23. Rxd3 {[%emt 0:00:06]} gxf4 {[%emt 0:01:46]} 24. Bxf4 {[%emt 0:01:40]} Nf6 {[%emt 0:02:30]} (24... Rxc4 $2 25. Bxg3 hxg3 {[#]} 26. Rxd7 $1 $18 {[%mdl 512]}) 25. Bxg3 {[%emt 0:01:46]} hxg3 {[%emt 0:00:05]} 26. Ne2 {[%emt 0:00:15]} Ne4 {[%emt 0:00:56]} 27. Nfd4 {[%emt 0:01:56]} (27. Kf1 $11 {remains equal.}) 27... a5 {[%emt 0:00:16]} (27... Bg5 $5 {[%cal Rg5c1]} 28. Rf1 Rxc4 $15) 28. Nxg3 {[%emt 0:00:43]} Nxg3 {[%emt 0:00:06]} 29. Rxg3 {[%emt 0:00:03]} axb4 {[%emt 0:00:05]} 30. axb4 {[%emt 0:00:09]} Bxb4 {[%emt 0:00:20] And now ...Bc5 would win.} 31. Nb5 {[%emt 0:00:47]} Ke7 {[%emt 0:02:55]} 32. Rb3 {[%emt 0:01:26]} Bc5+ {[%emt 0:00:08]} 33. Kf1 {[%emt 0:00:38]} ({White should play} 33. Kh2) 33... Rcd8 {[%emt 0:00:46]} ({Better is} 33... Rh4 $17 34. Rf3 f5) 34. Ke2 {[%emt 0:00:37]} (34. Nc3 $1 $15) 34... Rh5 {[%emt 0:00:10]} 35. Rc2 {[%emt 0:00:32]} Rf5 {[%emt 0:00:12] ( -> ...Rf2+). &Nero is more active.} 36. Ke1 {[%emt 0:00:31] Inhibits Rf2.} Rf4 {[%emt 0:00:23]} 37. g3 {[%emt 0:00:28]} Re4+ {[%emt 0:00:06]} 38. Kf1 {[%emt 0:00:15]} Rd1+ {[%emt 0:00:37]} 39. Kg2 {[%emt 0:00:05]} f5 {[%emt 0:01:30]} 40. h4 {[%emt 0:00:48]} Rg1+ {[%emt 0:00:07]} 41. Kh3 {[%emt 0:00:43]} Rh1+ {[%emt 0:00:36]} 42. Kg2 {[%emt 0:00:05]} (42. Rh2 $142 Rxh2+ 43. Kxh2) 42... Ree1 $19 {[%emt 0:01:30]} 43. Nc3 {[%emt 0:01:01]} Rhg1+ {[%emt 0:01:48]} 44. Kh2 {[%emt 0:00:05]} e5 $2 {[%emt 0:08:15]} (44... Kf7 $19 45. Rcb2 Rh1+ 46. Kg2 Reg1+ 47. Kf3 Rf1+ 48. Kg2 Rfg1+ 49. Kf3 Rh3) 45. Na4 $2 {[%emt 0:00:57][%mdl 8192]} (45. Kh3 $15) 45... Rh1+ {[%emt 0:07:05] Black is clearly winning.} 46. Kg2 {[%emt 0:00:05]} Reg1+ {[%emt 0:00:07]} 47. Kf3 {[%emt 0:00:17]} Rh3 {[%emt 0:00:56]} 48. Rg2 {[%emt 0:01:10]} e4+ {[%emt 0:00:05] Weighted Error Value: White=0.40/Black=0.27 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.5"]
[White "Quesada Perez, Luis Ernesto"]
[Black "Sandoval Mercado, Carlos"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2517"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,44,7,22,22,28,25,13,27,56,72,62,47,90,0,0,0,0,-89,-103,-87,-93,-450,-450,-29984,-29984]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:11]} c5 {[%emt 0:00:26]} 3. Nf3 {[%emt 0:00:20]} cxd4 {[%emt 0:01:11]} 4. Nxd4 {[%emt 0:00:08]} e6 {[%emt 0:00:24]} 5. g3 {[%emt 0:04:23]} d5 {[%emt 0:05:30]} 6. Bg2 {[%emt 0:00:06]} Bb4+ {[%emt 0:02:12]} 7. Nc3 {[%emt 0:14:15]} O-O {[%emt 0:05:21]} 8. cxd5 {[%emt 0:18:25]} Nxd5 {[%emt 0:01:53]} 9. Bd2 {[%emt 0:07:27]} Nxc3 {[%emt 0:06:58]} 10. bxc3 {[%emt 0:00:19]} Be7 {[%emt 0:00:04]} 11. Rb1 {[%emt 0:01:29]} e5 {[%emt 0:06:12][%cal Be6e5,Be5d4][%mdl 32] [#]} 12. Rxb7 $1 {[%emt 0:05:50][%cal Ob7b1] E20: Nimzo-Indian: 4 g3 and 4 f3.} exd4 {[%emt 0:30:41]} 13. Rb3 {[%emt 0:02:18]} Na6 {[%emt 0:14:44] White must now prevent ...Be6.} 14. Bxa8 {[%emt 0:00:21] cxd4 is the strong threat. The position is equal.} Bh3 {[%emt 0:00:03]} 15. Bf3 {[%emt 0:02:51]} Nc5 {[%emt 0:02:35]} 16. Rb1 {[%emt 0:10:58]} Bf6 {[%emt 0:08:25]} 17. cxd4 {[%emt 0:00:22]} ({Better is} 17. c4 $1 $16) 17... Bxd4 $11 {[%emt 0:00:02] [#]} 18. Qc2 $146 {[%emt 0:10:03] Hoping for Bb4.} ({Predecessor:} 18. e3 Nd3+ 19. Ke2 Ne5 20. Be4 Qf6 21. f3 Bg2 22. Rf1 Qa6+ 23. Kf2 Bxf1 24. exd4 {1-0 (45) Stocek,J (2450)-Estremera Panos,S (2400) Ubeda 1998}) 18... Qf6 {[%emt 0:01:10] Strongly threatening ...Re8.} 19. Rb5 {[%emt 0:11:58] [#]} (19. Rc1 $11 {remains equal.}) 19... Re8 $1 $17 {[%emt 0:02:00] ( -> ...Qxf3)} 20. Kd1 {[%emt 0:02:56] [#]} Bd7 $1 {[%emt 0:03:35] &Nero is more active.} 21. Rxc5 {[%emt 0:01:05][%mdl 8192]} (21. Rb4 $17 {is a better chance.}) 21... Bxc5 $19 {[%emt 0:00:03]} 22. Qxc5 {[%emt 0:00:18]} (22. Qc3 $19 Qb6 23. Bd5) 22... Ba4+ {[%emt 0:00:19] Weighted Error Value: White=1.13/Black=0.07 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.6"]
[White "Rascon Vega, Alfonso"]
[Black "Cori Quispe, Kevin Joel"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2107"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,66,11,14,0,1,-9,24,-27,26,31,14,-11,25,-4,62,24,60,-3,-1,-22,-16,-32,-13,-28,-25,-50,-28,-97,-52,-95,-81,-82,-77,-83,-43,-68,-31,-74,-45,-58,-66,-97,-101,-205,-209,-220,-143,-243,-233,-508,-497,-504,-499,-532,-524]} 1. e4 {[%emt 0:04:17]} c5 {[%emt 0:00:55]} 2. Nf3 {[%emt 0:00:23]} e6 {[%emt 0:00:28]} 3. g3 {[%emt 0:00:38]} Nc6 {[%emt 0:00:50]} 4. Bg2 {[%emt 0:00:21]} Nf6 {[%emt 0:00:14]} 5. d3 {[%emt 0:00:40]} d6 {[%emt 0:05:37]} 6. O-O {[%emt 0:00:44]} Be7 {[%emt 0:00:11]} 7. Nc3 {[%emt 0:01:11]} O-O {[%emt 0:01:11]} 8. Bf4 {[%emt 0:00:29] B50: Sicilian: 2...d6, Miscellaneous.} Nd7 {[%emt 0:05:06][%cal Bf6d7,Bd7b6,Bb6d5,Bd5f4][%mdl 32] [#]} 9. h4 $146 {[%emt 0:06:15]} ({Predecessor:} 9. h3 a6 10. Nh2 b5 11. Ne2 Bb7 12. Be3 Nb6 13. Nf4 a5 14. h4 a4 15. a3 b4 {½-½ (26) Brynell,S (2470)-Engqvist,T (2420) Lindesberg 1993}) 9... e5 {[%emt 0:03:04]} 10. Bg5 {[%emt 0:03:08]} (10. Bc1 $142) 10... f6 {[%emt 0:00:10]} (10... Bxg5 $142 11. hxg5 (11. Nxg5 Nf6 $11) 11... f6) 11. Bc1 $11 {[%emt 0:00:46]} Nb6 {[%emt 0:00:06]} 12. Nd2 {[%emt 0:00:26]} Be6 {[%emt 0:06:32]} 13. Nd5 {[%emt 0:14:28]} (13. a4 $5 {[%cal Ra4a5]}) 13... Bf7 {[%emt 0:10:55]} (13... Nb4 $11) 14. c3 {[%emt 0:02:43]} Re8 {[%emt 0:12:08]} 15. Ne3 {[%emt 0:03:39]} (15. Nc4 $14) 15... d5 {[%emt 0:03:30]} 16. exd5 {[%emt 0:01:25]} Nxd5 {[%emt 0:00:08]} 17. Ne4 {[%emt 0:57:27]} Qd7 {[%emt 0:47:55] Inhibits Nf5.} 18. Qf3 {[%emt 0:00:00] [#] Inhibits f5. Threatens to win with Nxd5.} Rad8 {[%emt 0:00:00]} 19. Nf5 {[%emt 0:00:00]} Be6 {[%emt 0:00:00]} 20. Bh3 {[%emt 0:00:00]} (20. g4 $11 {keeps the balance.}) 20... Bf8 {[%emt 0:00:00]} 21. g4 {[%emt 0:00:00] [#]} Nf4 $1 {[%emt 0:00:00]} 22. Bxf4 {[%emt 0:00:00]} exf4 {[%emt 0:00:00]} 23. Qxf4 {[%emt 0:00:00]} Bxf5 {[%emt 0:00:00]} 24. gxf5 {[%emt 0:00:00]} Qxd3 {[%emt 0:00:00]} 25. Bg2 {[%emt 0:00:00]} Ne5 {[%emt 0:00:00][%cal Bc6e5,Be5f7,Bf7h6][%mdl 32]} 26. Rae1 {[%emt 0:00:00]} Qc2 {[%emt 0:00:00] aiming for ...Nd3.} 27. Re3 {[%emt 0:00:00]} Qxb2 {[%emt 0:00:00] &Nero is more active.} 28. Rg3 {[%emt 0:00:00]} (28. Qg3 $17 {is a better defense.} Kh8 29. Rfe1) 28... Kh8 $19 {[%emt 0:00:00]} 29. h5 {[%emt 0:00:00][%cal Oh5h6]} Nf7 {[%emt 0:00:00] Inhibits h6.} ({Not} 29... Qxa2 30. h6 $17) 30. h6 {[%emt 0:00:00]} (30. Qc7 $17 {was called for.} Qxa2 31. Qxb7) 30... Nxh6 {[%emt 0:00:00]} 31. Nxf6 $2 {[%emt 0:00:00]} (31. Rh3) 31... gxf6 {[%emt 0:00:00] Black is clearly winning.} 32. Qh4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 33. Qh5 {[%emt 0:00:00]} Qxa2 {[%emt 0:00:00] Weighted Error Value: White=0.44/Black=0.21 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.7"]
[White "Ibarra Chami, Luis Fernando"]
[Black "Gonzalez Arroyo, Lenin"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2451"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,87,8,0,20,16,38,38,38,38,39,37,40,35,51,48,40,39,48,43,112,41,46,47,45,40,38,43,42,42,63,37,53,42,39,35,39,30,30,0,0,0,0,0,76,75,105,104,99,60,112,112,209,185,216,216,216,219,301,295,384,325,528,523,509,458,495,473,1049,994,986,929,737,656]} 1. e4 {[%emt 0:01:10]} e5 {[%emt 0:00:25]} 2. Nf3 {[%emt 0:00:22]} Nc6 {[%emt 0:00:30]} 3. Bb5 {[%emt 0:00:31]} a6 {[%emt 0:01:19]} 4. Ba4 {[%emt 0:00:17]} Nf6 {[%emt 0:00:28]} 5. O-O {[%emt 0:01:02]} Be7 {[%emt 0:00:48]} 6. d3 {[%emt 0:02:34]} b5 {[%emt 0:00:49]} 7. Bb3 {[%emt 0:00:05]} d6 {[%emt 0:00:52]} 8. a3 {[%emt 0:03:21]} O-O {[%emt 0:01:23]} 9. Nc3 {[%emt 0:00:53]} Be6 {[%emt 0:06:24] C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 10. Nd5 {[%emt 0:02:18]} Na5 {[%emt 0:04:25]} 11. Nxf6+ {[%emt 0:04:59]} Bxf6 {[%emt 0:00:19] White is slightly better.} 12. Bxe6 {[%emt 0:00:16]} fxe6 {[%emt 0:00:07]} 13. b4 {[%emt 0:00:35]} Nc6 {[%emt 0:03:43]} 14. c3 {[%emt 0:02:00]} Qd7 {[%emt 0:11:28]} 15. a4 {[%emt 0:12:13]} Ne7 {[%emt 0:03:11]} 16. Qb3 {[%emt 0:08:58]} d5 {[%emt 0:09:20]} 17. Be3 {[%emt 0:05:19] [#]} d4 $146 {[%emt 0:06:25]} ({Black should try} 17... Ng6 $14) ({Predecessor:} 17... Ng6 18. Ra2 Be7 19. axb5 axb5 20. Rfa1 Rad8 21. Ne1 h6 22. g3 Kh7 23. Ra7 Rf6 {½-½ (50) Zelbel,P (2432)-Postny,E (2653) Germany 2016}) 18. Bg5 {[%emt 0:25:45]} (18. cxd4 $16 exd4 19. Bf4) 18... bxa4 {[%emt 0:09:54]} 19. Qxa4 {[%emt 0:03:46]} Qxa4 {[%emt 0:00:35]} 20. Rxa4 {[%emt 0:00:03] cxd4 is the strong threat.} dxc3 {[%emt 0:00:11]} 21. Rc1 {[%emt 0:00:18]} Rfb8 $1 {[%emt 0:04:03][%cal Oc7c5]} (21... Bxg5 22. Nxg5 c5 23. bxc5 $16) 22. Rxc3 {[%emt 0:09:57]} a5 $1 {[%emt 0:00:39]} 23. Rxc7 {[%emt 0:01:45] &Bianco is more active.} axb4 {[%emt 0:01:14]} 24. Rxa8 {[%emt 0:00:03]} Rxa8 {[%emt 0:00:10]} 25. Kf1 {[%emt 0:04:53]} Bxg5 {[%emt 0:07:48]} 26. Nxg5 $14 {[%emt 0:00:04][%mdl 4096] Endgame KRN-KRN} b3 $1 {[%emt 0:00:06] [#] Threatens to win with ...b2.} 27. Rb7 {[%emt 0:00:19]} (27. Rxe7 b2 28. Rb7 Ra1+ 29. Ke2 b1=Q 30. Rxb1 Rxb1 $15) (27. Ke2 $5 {[%cal Rc7e7]} Rb8 28. Rc1 $11 (28. Rxe7 $2 b2 $19)) 27... Nc6 $1 {[%emt 0:00:37]} 28. Ke2 {[%emt 0:04:23]} ({But not} 28. Rxb3 $2 Ra1+ 29. Ke2 Nd4+ 30. Ke3 Nxb3 $19) (28. Nxe6 $2 Rb8 29. Rxb3 (29. Rxg7+ $2 Kh8 $19) 29... Rxb3 $19) 28... Nd4+ {[%emt 0:05:31]} 29. Ke3 {[%emt 0:00:02]} h6 {[%emt 0:02:27]} (29... Nc2+ $1 $11 {remains equal.} 30. Kf3 Rf8+ 31. Ke2 Nd4+ 32. Ke3 Nc2+ 33. Ke2 Nd4+ 34. Ke3 Nc2+ 35. Ke2) 30. Nf3 $16 {[%emt 0:00:01]} Nxf3 {[%emt 0:01:25]} 31. Kxf3 {[%emt 0:02:47] KR-KR} Ra3 {[%emt 0:00:30]} 32. Ke3 {[%emt 0:00:07]} Kh7 {[%emt 0:00:43]} (32... g5 $1 $14) 33. Rb5 {[%emt 0:00:14]} Kg8 {[%emt 0:04:11]} (33... Ra1 $16 {was called for.}) 34. Rxe5 $18 {[%emt 0:00:11]} b2 {[%emt 0:03:18]} 35. Rb5 {[%emt 0:00:03]} Ra2 {[%emt 0:00:20]} 36. h4 {[%emt 0:00:49][%cal Bh2h4,Bh4h5][%mdl 32] Inhibits g5.} Kf7 {[%emt 0:00:11]} 37. h5 {[%emt 0:00:28]} Kf6 {[%emt 0:03:08]} 38. g4 {[%emt 0:00:39] [#] Hoping for f4.} Ke7 $2 {[%emt 0:04:52]} (38... g5 39. hxg6 Kg7) 39. f4 {[%emt 0:01:12] White is clearly winning.} Kd6 {[%emt 0:00:31]} 40. Kd4 {[%emt 0:00:39]} Kc6 {[%emt 0:00:44]} 41. Rb3 {[%emt 0:00:06]} b1=Q {[%emt 0:02:49]} (41... Kd6 $142 42. Kc3 e5) 42. Rxb1 {[%emt 0:00:03]} Rg2 {[%emt 0:00:07]} 43. Ke5 {[%emt 0:00:21]} Rxg4 {[%emt 0:00:06]} 44. d4 {[%emt 0:00:52] Weighted Error Value: White=0.04 (flawless) /Black=0.27 (precise)} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.8"]
[White "Avila Rodriguez, Joshua Ad"]
[Black "Cori, Jorge"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2182"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,66,9,8,-15,0,0,7,0,2,3,1,-31,-25,-49,-63,-96,-95,-99,-93,-118,-116,-164,-156,-155,-145,-147,-138,-179,-186,-229,-221,-188,-176,-191,-171,-233,-218,-568,-546,-558,-549,-606,-596,-799,-800,-791,-772,-926,-904,-1049,-1033,-967,-894]} 1. e4 {[%emt 0:00:08]} e6 {[%emt 0:00:16]} 2. d4 {[%emt 0:00:11]} d5 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:09]} Bb4 {[%emt 0:01:44]} 4. e5 {[%emt 0:00:24]} c5 {[%emt 0:00:07]} 5. a3 {[%emt 0:00:09]} Bxc3+ {[%emt 0:00:04]} 6. bxc3 {[%emt 0:00:06]} Qa5 {[%emt 0:00:04]} 7. Bd2 {[%emt 0:00:35]} Qa4 {[%emt 0:00:27]} 8. Qg4 {[%emt 0:00:34]} Kf8 {[%emt 0:01:43]} 9. h4 {[%emt 0:00:58] is more profitable than 9.Qd1 at the moment. C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} Nc6 {[%emt 0:00:14] [#]} 10. Qf4 $146 {[%emt 0:04:58]} ({Predecessor:} 10. Rh3 Nge7 11. h5 h6 12. Qf4 Ke8 13. dxc5 Qxf4 14. Bxf4 f6 15. Nf3 g5 16. hxg6 Nxg6 17. Rxh6 Rxh6 18. Bxh6 fxe5 {1-0 (43) Nisipeanu,L (2671)-Suleymanli,A (2536) Reykjavik 2021}) 10... Qxc2 {[%emt 0:07:04]} 11. dxc5 {[%emt 0:02:44] The position is equal.} Qe4+ {[%emt 0:08:41]} 12. Qxe4 {[%emt 0:16:24]} dxe4 {[%emt 0:00:07]} 13. h5 {[%emt 0:16:55]} Nxe5 {[%emt 0:07:27]} 14. Rh4 {[%emt 0:00:14]} f5 {[%emt 0:03:53]} 15. Bf4 {[%emt 0:01:19] [#]} Nf7 {[%emt 0:00:29]} 16. Bc4 {[%emt 0:02:05]} Nf6 {[%emt 0:03:26]} 17. Rd1 {[%emt 0:07:55]} Bd7 {[%emt 0:29:36]} 18. Rb1 {[%emt 0:16:33]} (18. Nh3 $17) 18... Ke7 {[%emt 0:05:11]} 19. Rxb7 {[%emt 0:07:20]} Rhc8 {[%emt 0:00:07]} 20. Be3 {[%emt 0:00:58]} Nd8 {[%emt 0:03:51]} 21. Rb1 {[%emt 0:08:27]} Rab8 {[%emt 0:00:07]} 22. Rd1 {[%emt 0:02:02]} Ba4 {[%emt 0:00:34]} 23. Ra1 {[%emt 0:01:40]} Nf7 {[%emt 0:01:59][%cal Bd8f7,Bf7e5,Be5g4][%mdl 32]} 24. f3 {[%emt 0:03:35]} Rb2 {[%emt 0:00:51]} 25. Ra2 {[%emt 0:02:13]} (25. fxe4 $142 Nxe4 26. Nf3) 25... Rcb8 {[%emt 0:00:51]} 26. g4 $2 {[%emt 0:04:11] [#]} (26. Rxb2 {is more resistant.} Rxb2 27. f4) 26... Rb1+ $19 {[%emt 0:02:51] Black is clearly winning.} 27. Kf2 {[%emt 0:00:22]} Ne5 {[%emt 0:00:05][%csl LRc4,LRg4]} 28. Be2 {[%emt 0:00:35]} exf3 {[%emt 0:00:05]} 29. Nxf3 {[%emt 0:00:40]} Nexg4+ {[%emt 0:01:40] Pair of Knights!} 30. Kg3 {[%emt 0:00:25]} Bb3 {[%emt 0:00:11]} 31. Bf4 {[%emt 0:00:39]} Ne4+ {[%emt 0:00:09]} 32. Kg2 {[%emt 0:00:24]} Bxa2 {[%emt 0:00:08]} 33. Bxb8 {[%emt 0:00:25]} Rxb8 {[%emt 0:00:06] White got outplayed after the opening.  Weighted Error Value: White=0.55/Black=0.03 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.9"]
[White "Luna Javier, Edgar Froylan"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2148"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,152,-10,-9,0,0,-13,-7,-3,-12,-20,-20,-33,-29,-29,-19,-139,-161,-164,-132,-142,-141,-354,-171,-167,-165,-177,-135,-133,-130,-133,-131,-136,-129,-137,-129,-155,-124,-129,-127,-135,-99,-161,-161,-161,-161,-161,-161,-161,-161,-160,-157,-197,-186,-212,-196,-238,-208,-212,-221,-219,-223,-210,-208,-206,-222,-212,-203,-205,-67,-67,-41,-41,-41,-46,-8,-8,0,0,0,0,0,0,0,-727,-646,-852,-840,-947,-947,-863,-840,-1101,-1630,-1542,-1495,-1305,-1058,-29961,-11810,-29969,-29970,-29967,-29971,-29971,-29970,-29969,-29971,-29971,-29972,-29972,-29973,-29971,-6181,-6181,-6171,-31,-31,-29980,-29981,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989,-29990,-29988,-29988,-29989,-29989,-29989,-29989,-29990,-29990,-29991,-29991,-29992]} 1. Nf3 {[%emt 0:11:46]} Nf6 {[%emt 0:05:38]} 2. g3 {[%emt 0:00:22]} d5 {[%emt 0:00:30]} 3. Bg2 {[%emt 0:00:29]} c6 {[%emt 0:00:23]} 4. O-O {[%emt 0:00:26]} Bg4 {[%emt 0:00:03]} 5. c4 {[%emt 0:02:03]} e6 {[%emt 0:00:12]} 6. Ne5 {[%emt 0:01:34]} Bf5 {[%emt 0:00:47]} 7. d4 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:21]} 8. Nc3 {[%emt 0:01:09]} Be7 {[%emt 0:04:12]} 9. f4 {[%emt 0:03:09] D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} h5 {[%emt 0:01:06]} 10. h3 {[%emt 0:03:19]} Bb4 {[%emt 0:23:20] [#]} 11. Qb3 $146 {[%emt 0:08:47] The position is equal.} ({Predecessor:} 11. cxd5 exd5 12. e3 Bxc3 13. bxc3 Ne4 14. Bxe4 Bxe4 15. Nf3 Bf5 16. Kh2 Nf6 17. Ng5 Ne4 18. Nxe4 Bxe4 19. Qb3 Qb6 20. Ba3 {½-½ (20) Kverndal,L (1805)-Johansson,P (2017) Gausdal 2007}) 11... a5 {[%emt 0:03:03]} 12. Be3 {[%emt 0:02:43]} O-O {[%emt 0:09:02]} 13. Kh2 {[%emt 0:08:17]} dxc4 {[%emt 0:03:56]} 14. Qxc4 {[%emt 0:04:56]} Nd5 {[%emt 0:01:21]} 15. Bd2 {[%emt 0:05:13]} (15. Bg1 $11) 15... Nxe5 {[%emt 0:10:48]} 16. fxe5 {[%emt 0:01:24]} Nb6 {[%emt 0:00:22]} 17. Qb3 {[%emt 0:01:02]} Qxd4 {[%emt 0:00:05]} 18. e4 $2 {[%emt 0:06:44] [#]} (18. Rad1 $17) 18... Bg6 {[%emt 0:01:16]} (18... Qxd2 19. exf5 Nd5 20. Nxd5 (20. Rad1 Qe3 $17) 20... cxd5 21. Rad1 $15) (18... Bxh3 $142 $1 {[%mdl 512]} 19. Qc2 (19. Rad1 Bxg2) 19... Bg4) 19. Rad1 $19 {[%emt 0:03:06][%cal Ba1d1,Bd1d6,Bd6b6][%mdl 32]} Qc4 {[%emt 0:06:20]} (19... Qxe5 20. Bf4 Qc5 21. Bd6 $15) 20. Be3 {[%emt 0:03:25]} c5 {[%emt 0:00:39]} 21. Rd6 {[%emt 0:02:52] [#]} a4 $1 {[%emt 0:03:34]} 22. Nxa4 {[%emt 0:05:42]} Qxb3 {[%emt 0:00:18]} ({Stronger than} 22... Rxa4 23. Rxb6 Qxb3 24. axb3 $11) 23. axb3 {[%emt 0:00:02]} Nxa4 {[%emt 0:00:04]} 24. bxa4 {[%emt 0:00:13]} Rxa4 {[%emt 0:00:01]} 25. Rb6 {[%emt 0:06:34]} Rb8 {[%emt 0:00:50]} 26. Rc1 {[%emt 0:00:55]} Ba5 {[%emt 0:00:26]} 27. Rb5 {[%emt 0:00:17]} c4 {[%emt 0:05:24]} 28. Bf3 {[%emt 0:10:36]} (28. Rc2 $17 {might work better.}) 28... Rd8 {[%emt 0:02:59] White must now prevent ...Rd3.} 29. Kg1 {[%emt 0:04:01]} ({Don't blunder} 29. Rxb7 $2 Rd3 30. Bd1 Ra2 $19) 29... Rd3 {[%emt 0:05:41]} 30. Kf2 {[%emt 0:00:06]} c3 $1 $36 {[%emt 0:00:49][%mdl 2048] Black is in control.} 31. Be2 {[%emt 0:00:57]} Rd7 {[%emt 0:03:42]} 32. bxc3 {[%emt 0:00:55]} Bxe4 {[%emt 0:03:42]} 33. Rb2 {[%emt 0:00:01] Prevents Ra2. And now Bb5 would win.} ({Don't go for} 33. Rd1 $2 Rxd1 34. Bxd1 Ra2+ 35. Be2 b6 $19) 33... Rc7 {[%emt 0:00:36]} 34. c4 {[%emt 0:01:03]} Ra3 {[%emt 0:01:19]} 35. Rb5 {[%emt 0:01:41]} Bc3 {[%emt 0:01:30]} 36. Bb6 {[%emt 0:01:02] Threatens to win with Rxc3.} Rd7 {[%emt 0:00:32][%cal Oh5h4]} 37. Bc5 {[%emt 0:00:07]} Bd4+ {[%emt 0:00:23]} 38. Bxd4 {[%emt 0:00:01]} Rxd4 {[%emt 0:00:08]} 39. Rd1 {[%emt 0:02:09] Against Rd2} Rxd1 {[%emt 0:00:16]} 40. Bxd1 {[%emt 0:00:02][%mdl 4096] Endgame KRB-KRB} h4 {[%emt 0:00:33]} 41. Rb3 {[%emt 0:00:48]} Ra2+ {[%emt 0:01:32]} (41... Ra5 $1 $19 42. Re3 hxg3+ 43. Kxg3 Bc6) 42. Ke3 $15 {[%emt 0:00:02]} Bc2 {[%emt 0:03:47] &Nero is more active.} (42... hxg3 {is interesting.} 43. Kxe4 g2 44. Rg3 Ra1) 43. Bxc2 {[%emt 0:01:53]} Rxc2 {[%emt 0:00:00] KR-KR} 44. Kd4 {[%emt 0:00:00]} Rd2+ {[%emt 0:00:00]} 45. Kc5 $1 {[%emt 0:00:03]} hxg3 {[%emt 0:00:05]} 46. Rxg3 {[%emt 0:00:02]} Rd7 {[%emt 0:00:52]} 47. Kb6 {[%emt 0:00:26]} Kh7 {[%emt 0:00:31]} 48. c5 {[%emt 0:00:58]} f5 {[%emt 0:00:40]} 49. Ra3 $2 {[%emt 0:00:56][%mdl 8192] [#]} (49. exf6 $11 gxf6 50. Ra3) 49... f4 $1 $19 {[%emt 0:00:21]} 50. h4 {[%emt 0:00:34]} Rf7 {[%emt 0:00:15] ...f3 is the strong threat.} 51. Rf3 {[%emt 0:00:24]} Kg6 {[%emt 0:00:17] aiming for ...Kf5.} 52. c6 {[%emt 0:00:21]} bxc6 {[%emt 0:00:06] Hoping for ...Kf5.} 53. Kxc6 {[%emt 0:00:02]} Kf5 {[%emt 0:00:23]} 54. Kd6 {[%emt 0:00:27]} Ra7 {[%emt 0:00:12]} 55. Rf1 {[%emt 0:00:22]} Ra6+ {[%emt 0:00:07]} 56. Ke7 {[%emt 0:00:02]} Kxe5 {[%emt 0:00:36]} 57. Kf7 {[%emt 0:00:16]} Ra7+ {[%emt 0:01:27]} 58. Kg6 {[%emt 0:00:02]} Ke4 {[%emt 0:00:15]} 59. Re1+ {[%emt 0:00:08]} Kd3 {[%emt 0:01:10]} 60. Rf1 {[%emt 0:00:47]} Ke3 {[%emt 0:00:16]} 61. Re1+ {[%emt 0:00:09]} Kf2 {[%emt 0:00:24]} 62. Rxe6 {[%emt 0:00:18]} f3 {[%emt 0:00:05]} 63. h5 {[%emt 0:01:31]} Kg2 {[%emt 0:00:25] ( -> ...f2)} 64. Re5 {[%emt 0:01:25]} f2 {[%emt 0:00:40]} 65. Rg5+ {[%emt 0:00:02]} Kf1 {[%emt 0:00:57]} 66. Rf5 $2 {[%emt 0:00:35][%mdl 8192] [#]} (66. Re5 $15 Rd7 67. Rg5) 66... Re7 $1 {[%emt 0:00:06] Black mates.} 67. Rf7 {[%emt 0:00:47]} Rxf7 {[%emt 0:00:53]} 68. Kxf7 {[%emt 0:00:02]} Ke2 {[%emt 0:00:11]} 69. Kxg7 {[%emt 0:00:02]} f1=Q {[%emt 0:00:08]} 70. h6 {[%emt 0:00:02]} Qg2+ {[%emt 0:00:10]} 71. Kh8 {[%emt 0:01:11]} Qa8+ {[%emt 0:00:12]} 72. Kg7 {[%emt 0:00:05]} Qb7+ {[%emt 0:00:10]} 73. Kg8 {[%emt 0:00:22]} Qc8+ {[%emt 0:00:10]} 74. Kg7 {[%emt 0:00:02]} Qd7+ {[%emt 0:00:07]} 75. Kg8 {[%emt 0:00:02]} Qd8+ {[%emt 0:00:18]} 76. Kg7 {[%emt 0:00:21]} Qg5+ {[%emt 0:00:14] Weighted Error Value: White=0.73/Black=0.12 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.10"]
[White "Almendarez Verdin, Manuel Adan"]
[Black "Perez Gormaz, Matias"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1662"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,74,29,47,52,52,44,52,45,54,40,37,48,36,31,44,14,16,31,15,0,0,0,0,-6,0,0,25,36,31,0,0,-14,-13,-6,-25,-29,0,-100,0,0,0,0,0,0,0,0,0,0,11,0,0,0,0,0,0,0,0,0,0,-81,-67,-893,-859,-1155,-1080,-29989,-29990]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:11:59]} 2. c4 {[%emt 0:00:12]} c5 {[%emt 0:00:11]} 3. d5 {[%emt 0:00:08]} b5 {[%emt 0:00:04]} 4. cxb5 {[%emt 0:00:21]} a6 {[%emt 0:00:04]} 5. bxa6 {[%emt 0:00:12]} g6 {[%emt 0:00:05]} 6. Nc3 {[%emt 0:00:19] A58: Benko/Volga Gambit: Lines with 5 bxa6.} Bg7 {[%emt 0:00:06]} 7. a7 {[%emt 0:01:25]} Rxa7 {[%emt 0:00:04]} 8. e4 {[%emt 0:00:16] e5 is the strong threat. White is slightly better.} O-O {[%emt 0:00:05]} 9. Nf3 {[%emt 0:01:15]} e6 {[%emt 0:02:59]} 10. Be2 {[%emt 0:03:04]} exd5 {[%emt 0:01:09]} 11. exd5 {[%emt 0:00:17]} Ba6 {[%emt 0:00:56]} 12. Bxa6 {[%emt 0:03:03]} Nxa6 {[%emt 0:00:04]} 13. O-O {[%emt 0:00:07]} d6 {[%emt 0:00:01] [#]} 14. Nb5 $146 {[%emt 0:02:10]} ({Predecessor:} 14. Bf4 Re8 15. Qd2 Ne4 16. Nxe4 Rxe4 17. Rae1 Rxe1 18. Rxe1 Re7 19. Rxe7 Qxe7 20. h4 {1-0 (39) Korobov,A (2675)-Boehme,M (2146) Karlsruhe 2019}) 14... Rb7 {[%emt 0:00:11][%cal Ba7b7,Bb7b4,Bb4d4][%mdl 32]} 15. a4 {[%emt 0:00:09]} Nc7 {[%emt 0:00:35]} 16. Nc3 {[%emt 0:01:39]} Qd7 {[%emt 0:01:03]} 17. h3 {[%emt 0:03:24]} Rfb8 {[%emt 0:02:39]} 18. Qd3 {[%emt 0:01:43]} Rb4 {[%emt 0:03:18]} 19. Rd1 {[%emt 0:02:46]} Qc8 {[%emt 0:00:05]} 20. Nd2 {[%emt 0:07:16][%cal Bf3d2,Bd2e4,Be4c3,Bc3a4,Ba4b6,Bb6c4][%mdl 32]} Rd4 {[%emt 0:00:42]} 21. Qf3 {[%emt 0:05:18]} Nfxd5 {[%emt 0:00:10]} 22. Nde4 {[%emt 0:01:17]} Qe6 {[%emt 0:04:44]} 23. a5 {[%emt 0:12:34] [#]} (23. Nxd5 $11 Rxd5 24. Ng5) 23... Nxc3 {[%emt 0:13:26]} (23... Re8 $1 $17 {Strongly threatening ...Rxd1+.} 24. Rxd4 cxd4 25. Nxd5 Qxd5) 24. Nxc3 $11 {[%emt 0:01:17]} Rxd1+ {[%emt 0:00:23]} 25. Qxd1 {[%emt 0:00:11]} d5 {[%emt 0:00:17][%cal Bd6d5,Bd5d4,Bd4c3][%mdl 32]} 26. Bf4 {[%emt 0:03:04]} Be5 {[%emt 0:00:07]} (26... Rxb2 {is interesting.} 27. Na4 Rb4 28. Nxc5 Qf6) 27. Bxe5 {[%emt 0:00:51]} Qxe5 {[%emt 0:00:05]} 28. Na4 {[%emt 0:00:12]} c4 {[%emt 0:06:27]} 29. Qd2 {[%emt 0:02:36]} d4 {[%emt 0:17:15]} 30. Nb6 {[%emt 0:03:30] aiming for Nd7.} c3 {[%emt 0:01:35]} 31. bxc3 {[%emt 0:00:31]} dxc3 {[%emt 0:00:04]} 32. Qc2 {[%emt 0:01:19]} Rd8 {[%emt 0:00:15] Hoping for ...Nb5.} 33. Nc4 $1 {[%emt 0:00:30]} Qf6 {[%emt 0:05:35]} (33... Qd4 $5 34. Ne3 Ra8 $11) 34. Rb1 {[%emt 0:03:12] [#]} (34. Rd1 $11 {keeps the balance.}) 34... Ne6 $1 $36 {[%emt 0:04:37][%mdl 2048] Threatens to win with ...Nd4. Black has some pressure. &Nero is more active.} 35. Kf1 $2 {[%emt 0:18:34][%mdl 8192]} (35. Kh1 $15) 35... Qf4 $19 {[%emt 0:01:48]} 36. Qxc3 {[%emt 0:06:33]} Qh2 {[%emt 0:00:08] ( -> ...Nf4)} 37. Nd2 {[%emt 0:11:18]} Nf4 {[%emt 0:02:05] Weighted Error Value: White=0.56/Black=0.06 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.11"]
[White "Fernandez Hernandez, Arturo A."]
[Black "Montes Orozco, Miguel Angel"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2376"]
[BlackElo "1914"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,114,6,13,-7,0,0,20,16,17,0,0,0,0,-38,-44,-60,-45,-78,-81,-153,-145,-155,-53,-66,-28,-24,-24,-42,78,0,0,0,0,0,66,70,66,72,59,0,0,-864,-857,-922,-892,-931,-923,-1691,-1033,-1292,-1286,-1238,-1192,-1078,-1053,-1747,-1600,-1790,-1307,-1235,-1135,-1154,-1147,-1119,-1089,-999,-919,-1505,-1341,-1284,-1301,-1782,-1480,-29981,-1725,-29991,-1965,-2117,-1861,-2003,-2007,-1898,-1824,-1588,-1166,-1819,-1800,-1997,-1292,-1275,-1233,-1064,-1040,-1032,-1016,-957,-838,-1766,-1703,-1677,-1598,-4134,-2824,-1837,-1837,-1282,-1282]} 1. Nf3 {[%emt 0:02:50]} Nf6 {[%emt 0:04:12]} 2. c4 {[%emt 0:00:24]} c6 {[%emt 0:00:21]} 3. e3 {[%emt 0:01:44]} d5 {[%emt 0:00:38]} 4. b3 {[%emt 0:02:04]} Bg4 {[%emt 0:01:22]} 5. Bb2 {[%emt 0:01:38]} e6 {[%emt 0:00:47]} 6. h3 {[%emt 0:02:56] A12: English Opening: 1...c6 with b3 by White.} Bh5 {[%emt 0:01:46]} 7. Be2 {[%emt 0:00:59]} h6 {[%emt 0:04:25]} 8. O-O {[%emt 0:05:41] The position is equal.} Nbd7 {[%emt 0:00:10]} 9. Nc3 {[%emt 0:01:51]} Bd6 {[%emt 0:03:00]} 10. cxd5 {[%emt 0:02:03]} exd5 {[%emt 0:01:39] [#]} 11. Nd4 $146 {[%emt 0:01:31]} ({Predecessor:} 11. Rc1 Qe7 12. Nh4 Bg6 13. Nxg6 fxg6 14. Qc2 Qf7 15. d3 Nf8 16. e4 d4 17. Na4 {0-1 (28) Krajnc,U (2124)-Papez,V (1800) Slovenia 2014}) 11... Bg6 {[%emt 0:01:32]} 12. f4 {[%emt 0:00:53]} O-O {[%emt 0:00:52][%cal Bh8f8,Bf8e8,Be8e3][%mdl 32]} 13. Nf3 {[%emt 0:12:50]} Re8 {[%emt 0:07:39]} 14. d4 {[%emt 0:07:27]} (14. Rc1 $142) 14... Rxe3 $17 {[%emt 0:06:16] White must now prevent ...Qe7. &Nero is more active.} 15. Ne5 {[%emt 0:00:09]} c5 {[%emt 0:03:11]} (15... Bb4 $1 $17 {[%cal Rb4c3]} 16. f5 Bxc3 17. Bxc3 Rxc3 18. fxg6 fxg6 19. Nxd7 Qxd7) 16. Nb5 {[%emt 0:03:39]} Bxe5 {[%emt 0:03:21]} 17. dxe5 {[%emt 0:03:29]} Ne4 {[%emt 0:01:14] With the idea ...a6.} 18. Bg4 {[%emt 0:04:31] f5 is the strong threat. This bishop pair is nice.} d4 {[%emt 0:25:32] [#]} (18... Ng3 $15 {keeps the upper hand.} 19. f5 Nxf1 20. fxg6 Nxe5 $1 21. gxf7+ Nxf7 22. Qxf1 Qe7) 19. Nxd4 $1 {[%emt 0:06:49]} Ng3 $36 {[%emt 0:15:16][%mdl 2048] Black fights for an advantage.} (19... Nxe5 20. fxe5) 20. f5 {[%emt 0:11:07]} Bh7 {[%emt 0:00:50]} ({Much less strong is} 20... cxd4 21. fxg6 Nxe5 22. gxf7+ Nxf7 23. Re1 $16) 21. e6 {[%emt 0:05:16]} Nxf1 {[%emt 0:14:01]} (21... Nf6 $1 $11 22. exf7+ Kxf7) 22. exf7+ $1 $14 {[%emt 0:04:28]} Kxf7 {[%emt 0:00:09]} 23. Ne6 {[%emt 0:00:32]} Qe7 {[%emt 0:00:19] Hoping for ...Ng3.} 24. Nxg7 {[%emt 0:04:44]} (24. Qxf1 $14 Nf6 25. Qc4) 24... Re5 $11 {[%emt 0:01:47]} 25. Qxd7 $4 {[%emt 0:06:49][%mdl 8192] Black keeps a firm grip on the game.} Qxd7 $19 {[%emt 0:00:59]} 26. Bxe5 {[%emt 0:00:02]} Ne3 {[%emt 0:00:06]} 27. Bh5+ {[%emt 0:00:52]} Kg8 {[%emt 0:00:11]} 28. f6 {[%emt 0:00:43]} Rf8 {[%emt 0:00:37] aiming for ...Qd5.} 29. Re1 {[%emt 0:01:27]} Qd2 {[%emt 0:01:44][%csl Ge3,LRa2,LRe1,LRg2][%cal Rd2g2]} 30. Re2 {[%emt 0:00:38]} Qc1+ {[%emt 0:00:13]} 31. Kf2 {[%emt 0:00:07]} Nd1+ {[%emt 0:00:31]} 32. Kf3 {[%emt 0:00:05]} Nc3 {[%emt 0:00:10]} 33. Re3 {[%emt 0:03:37]} Qf1+ {[%emt 0:00:08]} 34. Kg3 {[%emt 0:00:12]} Ne4+ {[%emt 0:00:51]} 35. Kh2 {[%emt 0:00:35]} Rxf6 {[%emt 0:00:16]} 36. Ne8 {[%emt 0:01:12]} Rf2 {[%emt 0:01:24][%csl Gf1,LRa2,LRg2][%cal Rf2g2]} 37. Bf3 {[%emt 0:00:34] [#]} Bg6 $1 {[%emt 0:00:24]} 38. Nc7 {[%emt 0:02:18] [#]} (38. Rxe4 Rxf3) 38... Rd2 $1 {[%emt 0:00:54] And now ...Ng5 would win.} 39. Ne6 {[%emt 0:00:32] [#]} (39. Ne8 h5) 39... Qf2 $1 {[%emt 0:00:28]} 40. Bf4 {[%emt 0:00:29] [#]} (40. Rxe4 Qxf3) 40... Kf7 $1 {[%emt 0:00:28]} 41. Nc7 {[%emt 0:00:31] [#]} (41. Rxe4 Bxe4) 41... Qh4 $1 {[%emt 0:00:16]} 42. Bg4 {[%emt 0:00:23] [#]} (42. Nd5 Rxd5) 42... h5 {[%emt 0:00:50]} (42... Rxg2+ $142 $3 43. Kxg2 Qf2+ 44. Kh1 Qf1+ 45. Kh2 Qxf4+ 46. Kh1 Qxe3 47. Be6+ Kf8 48. Bd7 Qe1+ 49. Kh2 Qg3+ 50. Kh1 Nf2#) 43. Be6+ {[%emt 0:00:37] Black is clearly winning.} Ke7 {[%emt 0:00:04]} 44. Rf3 {[%emt 0:00:09]} Rf2 {[%emt 0:00:15]} 45. Bg3 {[%emt 0:00:49] [#]} Nxg3 $1 {[%emt 0:01:06]} 46. Rxf2 {[%emt 0:01:14] [#]} Nf5 $1 {[%emt 0:00:06]} 47. Rf3 {[%emt 0:00:00]} (47. Kg1 Qd4) 47... Nd4 {[%emt 0:00:06][%csl LRe6,LRf3]} 48. Rg3 {[%emt 0:00:00]} Nxe6 {[%emt 0:00:12]} 49. Nxe6 {[%emt 0:00:26]} Kxe6 {[%emt 0:00:04]} 50. Rxg6+ {[%emt 0:00:04][%mdl 4096] Endgame KQ-KR} Kf5 {[%emt 0:00:22]} 51. Rg7 {[%emt 0:00:29]} Qf4+ {[%emt 0:00:05]} 52. Kh1 {[%emt 0:00:08]} Qe4 {[%emt 0:00:40]} 53. Rd7 {[%emt 0:01:06]} h4 {[%emt 0:00:16] Strongly threatening ...Ke6.} 54. Kh2 {[%emt 0:00:24]} Ke6 {[%emt 0:00:35] ( -> ...Qe5+)} 55. Rd8 {[%emt 0:00:06]} Qe5+ {[%emt 0:00:21]} 56. Kh1 {[%emt 0:00:15]} Qa1+ {[%emt 0:00:02]} 57. Kh2 {[%emt 0:00:04]} Qxa2 {[%emt 0:00:07] Weighted Error Value: White=0.73/Black=0.36} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.12"]
[White "Figueredo Losada, Leonel"]
[Black "Avila Bautista, Roberto Al"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2342"]
[BlackElo "2090"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,135,44,47,44,37,46,37,54,29,37,37,14,22,27,24,0,131,124,206,127,121,121,121,112,114,119,156,141,136,120,126,124,127,119,121,125,131,97,172,179,162,111,192,194,181,153,195,205,187,164,238,244,206,180,223,211,344,337,316,306,356,378,360,365,435,343,420,412,388,361,314,173,173,173,173,173,2449,2033,11817,2640,5600,2250,6713,6593,29952,3881,8756,5373,29945,29947,29950,10795,29961,29960,29960,29956,7104,6154,4401,4136,1333,8,8,0,29965,29956,29968,29969,29969,29970,29970,29970,29973,29973,29972,29974,29974,29975,29975,29976,29977,29978,29978,29979,29980,29980,29988,29989]} 1. e4 {[%emt 0:00:30]} c5 {[%emt 0:00:54]} 2. Nc3 {[%emt 0:00:04]} g6 {[%emt 0:00:20]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:03:39]} 4. Qxd4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:30]} 5. Be3 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 6. f3 {[%emt 0:02:35] B23: Closed Sicilian: Lines without g3.} Nc6 {[%emt 0:07:25]} 7. Qd2 {[%emt 0:00:21]} O-O {[%emt 0:01:07]} 8. Nge2 $1 {[%emt 1:30:15][%mdl 4] White is slightly better. is now more promising than 8.0-0-0.} d6 {[%emt 0:01:16]} 9. h4 {[%emt 0:00:00][%cal Oh4h5] [#]} h5 $146 {[%emt 0:17:07]} ({Predecessor:} 9... Ne5 10. Nf4 h5 11. O-O-O Bd7 12. Nfd5 Rc8 13. Bg5 Kh7 14. f4 Nc4 15. Bxc4 Rxc4 16. Bxf6 exf6 {1-0 (50) Vishnu,P (2476)-Buscar,M (2088) Chess.com INT 2022}) 10. O-O-O {[%emt 0:00:00]} Qa5 {[%emt 0:01:15]} 11. Kb1 {[%emt 0:01:30]} b5 12. Bh6 {[%emt 0:00:00]} Ne5 {[%emt 0:25:41]} (12... Be6 $11) 13. Nd5 $16 {[%emt 0:00:00]} Qd8 {[%emt 0:07:59]} (13... Qxd2 $16 14. Nxe7+ (14. Bxd2 Nxd5 15. exd5 a6 $11) 14... Kh7 15. Bxd2 (15. Rxd2 $2 {is the wrong capture.} Bxh6 16. Rxd6 Be6 $19) 15... Bb7) 14. Bxg7 {[%emt 0:00:00]} Kxg7 {[%emt 0:00:47]} 15. Nxf6 exf6 16. Nf4 {[%emt 0:00:00]} a6 {[%emt 0:09:08]} 17. Be2 {[%emt 0:00:00]} Be6 {[%emt 0:06:02]} 18. Qxd6 {[%emt 0:00:00]} Qc8 {[%emt 0:02:57]} 19. Qe7 {[%emt 0:00:00] Hoping for Rd6.} Re8 {[%emt 0:04:53]} 20. Nxe6+ {[%emt 0:00:00]} Qxe6 {[%emt 0:00:03]} 21. Qxe6 {[%emt 0:00:00]} Rxe6 {[%emt 0:00:59]} 22. Rd5 {[%emt 0:00:00]} Rc8 {[%emt 0:01:30]} 23. Rhd1 {[%emt 0:00:00]} Nc4 {[%emt 0:00:27]} (23... f5 $16 {keeps fighting.}) 24. Bxc4 $18 {[%emt 0:00:00]} Rxc4 {[%emt 0:00:02][%mdl 4096] Endgame KRR-KRR} 25. Rd6 {[%emt 0:00:00]} ({White should play} 25. R1d2 $18) 25... Rc6 {[%emt 0:02:54]} (25... g5 $16) 26. Rxc6 $1 {[%emt 0:00:00]} Rxc6 {[%emt 0:00:03] KR-KR} 27. b3 {[%emt 0:00:00]} Kf8 {[%emt 0:02:03]} 28. Kb2 {[%emt 0:00:00]} Ke7 {[%emt 0:00:15]} 29. c4 {[%emt 0:00:00]} Ke6 {[%emt 0:01:44]} (29... bxc4 {was worth a try.} 30. Rc1 f5) 30. cxb5 {[%emt 0:00:00]} axb5 {[%emt 0:00:27]} 31. Rd5 {[%emt 0:00:00]} Rb6 {[%emt 0:00:13] [#]} 32. Rc5 $1 {[%emt 0:00:00]} Kd6 {[%emt 0:00:40] [#]} (32... b4 {was called for.} 33. a4 bxa3+ 34. Kxa3 Ra6+ 35. Kb2 Kd6) 33. b4 $1 {[%emt 0:00:00]} Rb8 {[%emt 0:00:25]} 34. Kb3 {[%emt 0:00:00]} Rb7 35. a4 bxa4+ {[%emt 0:00:39]} 36. Kxa4 {[%emt 0:00:00]} Ra7+ {[%emt 0:00:16]} 37. Kb3 {[%emt 0:00:00]} Ra1 {[%emt 0:00:25]} 38. Rc2 {[%emt 0:00:00]} Rb1+ {[%emt 0:00:36]} 39. Ka4 {[%emt 0:00:00]} g5 {[%emt 0:01:09]} 40. Rc5 {[%emt 0:00:00]} (40. b5 $142) 40... Rb2 {[%emt 0:03:17]} 41. hxg5 {[%emt 0:00:00]} Rxg2 {[%emt 0:00:15]} 42. gxf6 {[%emt 0:00:00]} Rf2 $2 {[%emt 0:00:24]} (42... h4 43. Rh5 Rh2) 43. Rxh5 {[%emt 0:00:00]} Rxf3 {[%emt 0:00:10]} 44. Ra5 {[%emt 0:00:00]} (44. Rc5 $142 Ke6 45. e5) 44... Kc6 {[%emt 0:01:31]} 45. e5 {[%emt 0:00:00]} (45. Ra7 $142 Re3 46. Rxf7 Rxe4 47. Ka5 Re5+ 48. Ka6) 45... Kb6 {[%emt 0:00:26]} 46. Rd5 {[%emt 0:00:00] b5 would kill now.} Re3 {[%emt 0:00:10]} 47. Rc5 {[%emt 0:00:00]} (47. b5 $142 Re4+ 48. Kb3 Ka5 49. Rd7 Rxe5 50. Kc4 Kb6 51. Rxf7 Rf5 52. Rf8) 47... Re4 {[%emt 0:00:42]} 48. Kb3 {[%emt 0:00:00]} Kb7 {[%emt 0:00:14]} 49. b5 {[%emt 0:00:00]} Kb6 {[%emt 0:00:21]} 50. Rd5 {[%emt 0:00:00] Threatening mate with Kc2.} Ka5 {[%emt 0:01:00]} 51. Kc3 {[%emt 0:00:00]} Kb6 {[%emt 0:00:19]} 52. Kd3 {[%emt 0:00:00]} Re1 {[%emt 0:00:24]} 53. Kd4 {[%emt 0:00:00]} Re2 {[%emt 0:00:20]} 54. Kc4 {[%emt 0:00:00] Intending Rd7 and mate.} Re4+ {[%emt 0:00:18]} 55. Rd4 $2 {[%emt 0:03:11]} (55. Kc3 $18 {Strongly threatening Rd7.} Re3+ 56. Kd4) 55... Rxe5 $11 {[%emt 0:00:09]} 56. Rd7 {[%emt 0:00:02]} Rc5+ $2 {[%emt 0:01:21][%mdl 8192]} (56... Rxb5 $11 57. Rxf7 Kc6) 57. Kd4 {[%emt 0:00:14] White mates.} Rxb5 {[%emt 0:00:22]} 58. Rxf7 {[%emt 0:00:04]} Rf5 {[%emt 0:00:20]} 59. Ke4 {[%emt 0:00:07]} Rf1 {[%emt 0:00:55]} 60. Ke5 {[%emt 0:00:43]} Kc6 {[%emt 0:00:35]} 61. Ra7 {[%emt 0:00:41]} Re1+ {[%emt 0:00:23]} 62. Kf5 {[%emt 0:00:04]} Kd6 {[%emt 0:00:30]} 63. Kg6 {[%emt 0:00:16]} Rg1+ {[%emt 0:00:24]} 64. Kf7 {[%emt 0:00:03]} Rg2 {[%emt 0:00:42]} 65. Kf8 {[%emt 0:00:15]} Ke6 {[%emt 0:00:26]} 66. f7 {[%emt 0:00:06]} Rb2 {[%emt 0:00:38]} 67. Ra6+ {[%emt 0:00:14]} Kd7 {[%emt 0:00:23]} 68. Kg7 {[%emt 0:00:29] Weighted Error Value: White=0.13 (very precise) /Black=0.76} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.13"]
[White "Diaz Villagran, Robert"]
[Black "Paredes Guzman, Francisco Javier"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2318"]
[BlackElo "1891"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,105,21,23,29,31,33,25,0,0,33,0,13,12,20,15,-197,-207,-209,0,0,0,0,0,0,-16,0,0,-8,0,0,0,0,0,0,16,10,18,10,35,29,42,34,33,0,30,46,176,171,166,95,84,86,173,166,206,203,207,200,187,195,284,243,299,297,254,247,429,417,540,533,576,564,567,553,511,528,523,522,725,718,687,654,582,551,717,706,697,716,637,554,1000,974,2827,2336,1778,1665]} 1. e4 {[%emt 1:31:00]} c5 {[%emt 0:01:53]} 2. c3 {[%emt 0:00:00]} d5 {[%emt 0:00:10]} 3. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:05]} 4. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:46]} 5. Nf3 {[%emt 0:00:00]} Bg4 {[%emt 0:00:06][%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 6. Nbd2 {[%emt 0:00:00]} Nc6 {[%emt 0:02:59][%cal Rc5d4]} 7. dxc5 {[%emt 0:00:00] B22: Sicilian: 2 c3.} e5 {[%emt 0:32:26] Hoping for ...e4.} 8. Bc4 {[%emt 0:00:00]} Qd7 {[%emt 0:02:50]} 9. Qe2 {[%emt 0:00:00] Prevents e4. White has an edge.} O-O-O {[%emt 0:09:55][%cal Oe5e4]} 10. h3 {[%emt 0:00:00]} Bh5 {[%emt 0:03:47][%cal Oe5e4] Strongly threatening ...e4!} 11. g4 {[%emt 0:00:00]} Bg6 {[%emt 0:00:33] [#]} 12. Nb3 $146 {[%emt 0:00:00]} (12. Nxe5 $2 Nxe5 13. Bb5 (13. Qxe5 $2 Re8 $19) 13... Qd5 $19) ({Predecessor:} 12. b4 Nd5 13. b5 Nf4 14. Qf1 Na5 15. c6 bxc6 16. bxc6 Qxc6 17. Ba6+ Kc7 18. Qb5 Nd3+ 19. Kf1 Qxc3 20. Nc4 Bb4 21. Rb1 Qc2 {0-1 (21) Drobotov,G (1700)-Turner,L (1609) LSS email 2008}) 12... h5 {[%emt 0:07:48][%cal Bh7h5,Bh5g4][%mdl 32]} 13. Ng5 $2 {[%emt 0:00:00]} (13. g5 $11 Nd5 14. Nh4 (14. Nxe5 $2 Nxe5 15. Bb5 Qf5 $19)) 13... hxg4 $19 {[%emt 0:03:00]} 14. Be3 {[%emt 0:00:00]} Ne4 $2 {[%emt 0:08:02]} ({Better is} 14... gxh3 $19 {And now ...Rh4 would win.} 15. f3 Rh5) 15. Nxf7 $11 {[%emt 0:00:00]} Bxf7 {[%emt 0:09:45]} 16. Bxf7 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:17]} 17. bxc3 {[%emt 0:00:00]} Qxf7 {[%emt 0:00:07]} 18. Qxg4+ {[%emt 0:00:00]} Kb8 {[%emt 0:00:29]} 19. Ke2 {[%emt 0:00:00]} Be7 {[%emt 0:01:36] aiming for ...Rh4.} (19... Qd5 20. Rhd1 Qf7 21. Na5 $1 $16) 20. h4 $1 {[%emt 0:00:00]} Qg8 {[%emt 0:01:00]} 21. Qe4 {[%emt 0:00:00]} Rh5 {[%emt 0:01:52]} 22. Nd2 {[%emt 0:01:50]} Qe6 {[%emt 0:01:30]} 23. Nf3 {[%emt 0:03:13]} Rf5 {[%emt 0:03:29]} 24. Rhg1 {[%emt 0:01:45]} Rdf8 {[%emt 0:00:22]} 25. Nd2 {[%emt 0:00:11]} Qf7 {[%emt 0:00:27][%cal Rf5f2]} 26. Rg2 {[%emt 0:00:27]} Qh5+ {[%emt 0:00:31]} 27. Qg4 {[%emt 0:00:28]} Qh7 {[%emt 0:01:39][%cal Oe5e4]} (27... Qxh4 28. Qxh4 Bxh4 29. Rxg7 $16) 28. Rb1 {[%emt 0:01:29]} Qg8 {[%emt 0:01:55]} ({Weaker is} 28... Qxh4 29. Qxh4 Bxh4 30. Rxg7 $16) ({Less strong is} 28... Bxh4 29. Qg6 (29. Qxg7 Qh5+ 30. Qg4 Be7 $16) 29... Qxg6 30. Rxg6 $16) (28... Ka8 $14) 29. Qc4 $18 {[%emt 0:00:45]} R8f7 {[%emt 0:00:59]} 30. Qa6 {[%emt 0:00:56] The board is on fire.} ({White should try} 30. Qb3 $18 {[%csl Gb1][%cal Rb3b7]} Qc8 31. Rg6) 30... Qc8 $16 {[%emt 0:00:59]} 31. Ne4 {[%emt 0:01:04]} Ka8 {[%emt 0:00:42] [#]} (31... Bxh4 $2 32. Nd6 R5f6 33. Nxc8 $18) (31... Rf3 $16) 32. Qc4 $1 $18 {[%emt 0:00:01]} Bf8 {[%emt 0:01:06]} (32... Bxh4 $2 33. Nd6 Qh8 34. Nxf5 Rxf5 35. Rh1 Qh5+ 36. Qg4 Qxg4+ 37. Rxg4 $18) 33. Rg6 {[%emt 0:00:35]} Rd7 {[%emt 0:00:57]} 34. Rd1 {[%emt 0:00:37] Active counter play!} Rxd1 {[%emt 0:00:23]} 35. Kxd1 {[%emt 0:00:01]} Qd7+ {[%emt 0:00:32]} (35... Qe8 {was called for.} 36. Qe6 Qxe6 37. Rxe6 Kb8) 36. Ke2 {[%emt 0:00:37]} Rf7 {[%emt 0:01:13]} 37. Qe6 {[%emt 0:00:28]} Qxe6 {[%emt 0:00:42]} 38. Rxe6 {[%emt 0:00:02]} Re7 {[%emt 0:00:20] Against Re8+} (38... Kb8 39. Ng5 Rc7) 39. Rxe7 {[%emt 0:00:58]} Bxe7 {[%emt 0:00:02][%mdl 4096] Endgame KBN-KBN} 40. h5 {[%emt 0:00:05] White is clearly winning.} Kb8 {[%emt 0:00:55]} 41. Kf3 {[%emt 0:00:20]} Kc7 {[%emt 0:00:22]} 42. Kg4 {[%emt 0:00:01]} Kd7 {[%emt 0:00:53]} 43. Kf5 {[%emt 0:00:01]} Bf8 {[%emt 0:00:14]} 44. Bg5 {[%emt 0:01:45]} b6 {[%emt 0:00:29]} 45. cxb6 {[%emt 0:00:17]} axb6 {[%emt 0:00:05]} 46. a4 {[%emt 0:00:29]} Na5 {[%emt 0:00:47]} 47. Nd2 {[%emt 0:02:23] Inhibits Nc4.} Nb7 {[%emt 0:00:43]} 48. Be3 {[%emt 0:00:59]} Nd6+ {[%emt 0:01:25]} 49. Kxe5 {[%emt 0:00:05]} Be7 {[%emt 0:00:24]} 50. Kd5 {[%emt 0:00:15]} Nc8 {[%emt 0:00:16]} 51. Nc4 {[%emt 0:00:10]} Kc7 {[%emt 0:00:17]} 52. Bd4 {[%emt 0:00:10]} Bf8 {[%emt 0:00:19]} 53. Ke6 {[%emt 0:00:02] Quite a comeback for White.  Weighted Error Value: White=0.12 (very precise) /Black=0.31} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.14"]
[White "Amezcua Luria, Jesus"]
[Black "Morales Garcia, Sergio Joshafatt"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "2001"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,108,14,7,23,-5,65,56,77,70,69,29,42,36,47,22,21,28,14,13,18,22,88,60,182,166,158,177,208,213,288,272,323,298,287,295,288,157,256,178,337,341,342,220,554,416,557,535,625,626,645,626,29989,541,809,793,1041,18,19,18,16,29,142,-487,-253,-514,-494,-1249,-1239,-1234,-1197,-1431,-1114,-1305,-1080,-1179,-1090,-1239,-1233,-1558,-1602,-1808,-1668,-29985,-29986,-29986,-29987,-29987,-29986,-29991,-29989]} 1. d4 {[%emt 0:06:49]} d5 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:30]} c6 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:04]} 4. Nc3 {[%emt 0:00:07]} e6 {[%emt 0:00:06]} 5. e3 {[%emt 0:00:17]} Nbd7 {[%emt 0:00:27]} 6. Qc2 {[%emt 0:00:25]} Bd6 {[%emt 0:00:36]} 7. Bd3 {[%emt 0:00:35]} dxc4 {[%emt 0:01:03]} 8. Bxc4 {[%emt 0:00:10]} O-O {[%emt 0:00:14]} 9. O-O {[%emt 0:00:24]} Qe7 {[%emt 0:01:06]} 10. e4 {[%emt 0:03:37]} e5 {[%emt 0:03:59]} 11. Be3 {[%emt 0:04:45]} b5 {[%emt 0:15:16] D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} 12. Bd3 {[%emt 0:02:41] [#]} b4 $146 {[%emt 0:22:30]} ({Better is} 12... Ng4 $11) ({Predecessor:} 12... h6 13. Ne2 Bb7 14. Ng3 Ng4 15. Nf5 Qf6 16. Nxd6 Qxd6 17. Rad1 Rad8 18. h3 Nxe3 19. fxe3 {0-1 (42) Keymer,V (2588)-Bazeev,G (2398) Tornelo INT 2020}) 13. Ne2 $14 {[%emt 0:04:29]} Bb7 {[%emt 0:16:22] White is slightly better.} 14. Ng3 {[%emt 0:08:03]} g6 {[%emt 0:00:36] Against Nf5} 15. Rae1 {[%emt 0:20:09]} Ng4 {[%emt 0:03:51]} 16. Bg5 {[%emt 0:11:37]} f6 {[%emt 0:00:13]} 17. Bc4+ {[%emt 0:00:54]} Kh8 {[%emt 0:03:52]} 18. Bc1 {[%emt 0:01:53][%cal Bg5c1,Bc1f4,Bf4g3][%mdl 32]} exd4 {[%emt 0:04:15]} 19. Nxd4 {[%emt 0:00:24]} Bxg3 {[%emt 0:01:43]} 20. hxg3 {[%emt 0:01:20]} Qc5 {[%emt 0:02:27] [#]} (20... Nge5 $11 {keeps the balance.}) 21. Be6 $1 {[%emt 0:09:27] This bishop pair is nice.} Qh5 {[%emt 0:00:48]} (21... Nge5 22. Bxd7) 22. Bxg4 $18 {[%emt 0:00:10]} Qxg4 {[%emt 0:00:04]} 23. Bf4 {[%emt 0:03:25]} (23. Nxc6 $2 Rfc8 24. Qd1 Qxd1 25. Rxd1 Bxc6 $19) 23... Qh5 {[%emt 0:12:08]} 24. Rd1 {[%emt 0:06:14]} (24. Nxc6 $2 Rfc8 25. Rc1 Bxc6 $19) (24. Bd6 $6 Rfe8 $16) 24... Rf7 {[%emt 0:05:39]} 25. Qc4 {[%emt 0:04:02]} (25. Nxc6 $6 Kg8 $16) 25... g5 {[%emt 0:00:19] [#]} 26. g4 $1 {[%emt 0:01:23]} Qg6 {[%emt 0:01:25]} 27. Bg3 {[%emt 0:00:20]} (27. Qxb4 Ba6 28. Bd6 Bxf1 29. Rxf1 c5 30. Bxc5 Rb8 $17) 27... Nb6 {[%emt 0:04:46]} 28. Qe6 {[%emt 0:04:02]} (28. Qxb4 Qxe4 29. f3 Qe3+ 30. Bf2 Nd5 $18) ({White should play} 28. Qe2 $18) 28... Rff8 {[%emt 0:00:00]} (28... Bc8 $16 {might work better.} 29. Qe8+ (29. Qxc6 Bxg4 30. f3 Bd7 $16) 29... Qg8 30. Qxg8+ (30. Qxc6 Bxg4 31. f3 Bd7 $16) 30... Kxg8) 29. Rfe1 {[%emt 0:04:25] Strongly threatening Qd6.} (29. Nxc6 Rae8 30. Ne7 Qg7 $15) 29... Rae8 $2 {[%emt 0:00:00]} (29... Bc8 30. Qxc6 Bxg4) 30. Qd6 {[%emt 0:00:01]} Qf7 {[%emt 0:00:44]} 31. Qxb4 {[%emt 0:01:29]} Qxa2 $2 {[%emt 0:00:33]} (31... Rxe4 {is more resistant.} 32. Rxe4 c5 33. Qxc5 Bxe4) 32. Nf5 {[%emt 0:00:27]} Qc4 {[%emt 0:00:21]} 33. Qa3 {[%emt 0:00:35]} Qa4 {[%emt 0:00:22]} 34. Qd6 {[%emt 0:00:57]} Bc8 {[%emt 0:00:37]} 35. e5 {[%emt 0:01:11]} Qxg4 {[%emt 0:00:49] [#]} 36. Ne7 {[%emt 0:00:25]} (36. exf6 $142 $1 Qd4 (36... Nd5 37. f7) 37. Qxd4 c5 {[#]} 38. Rxe8 $1 h5 39. Qd2 Bxf5 40. Qxg5 Bg6 41. Qxg6 Rxe8 42. Qg7#) 36... Nc4 {[%emt 0:00:19]} 37. Qc5 {[%emt 0:00:17]} f5 {[%emt 0:00:42]} 38. Nxc6 $2 {[%emt 0:00:22]} ({Only move:} 38. e6 $18 Kg7 39. Nxc8) 38... f4 $11 {[%emt 0:00:16]} 39. Bh2 {[%emt 0:00:40]} f3 {[%emt 0:00:15][%csl Gf3][%cal Rg4g2]} ({Don't take} 39... Nxb2 40. Rd2 (40. f3 $2 Qh4 $19) 40... f3 41. Bg3 $16) 40. Bg3 {[%emt 0:00:17]} fxg2 {[%emt 0:00:17]} (40... Nxb2 $2 41. Rd2 Na4 42. Qxa7 $18) (40... Be6 $1 $11 41. b3 Nb6) 41. Kxg2 $2 {[%emt 0:00:52][%mdl 8192]} (41. e6 $1 $16 {[%cal Re6e7] is necessary to keep the advantage. Threatens to win with e7.} Bxe6 42. b3) 41... Qf3+ $40 {[%emt 0:00:25][%mdl 128] White is in trouble.} (41... Nxb2 42. Rd6 Bb7 43. Qc3 $11) (41... Bb7 $142 42. Kg1 Rf3) 42. Kh2 $2 {[%emt 0:00:12]} (42. Kg1 {was the only chance.} Bb7 43. Rd5) 42... Re6 $19 {[%emt 0:00:51] ( -> ...Rh6+)} ({Worse is} 42... Bb7 43. Qxc4 Bxc6 44. Qf1 $19) 43. Qxf8+ {[%emt 0:00:45]} (43. Kg1 $142 Rxc6 44. Qd5) 43... Qxf8 {[%emt 0:00:02]} 44. Rd8 {[%emt 0:00:06]} Re8 {[%emt 0:00:23] And now ...Bb7 would win.} 45. Red1 {[%emt 0:00:17]} Kg7 {[%emt 0:00:26][%cal Of8f3] White must now prevent ...Qf3!} 46. R8d4 {[%emt 0:00:53]} Be6 {[%emt 0:00:26]} 47. b3 {[%emt 0:00:25]} Nb6 {[%emt 0:00:18]} 48. R1d3 {[%emt 0:00:44]} h5 {[%emt 0:00:22]} 49. f3 {[%emt 0:00:34]} Qf5 {[%emt 0:00:28]} 50. Kg1 {[%emt 0:00:38]} Rc8 {[%emt 0:00:36]} 51. Rd6 {[%emt 0:00:26] [#]} Rxc6 $1 {[%emt 0:00:24] Black mates.} 52. Rxc6 {[%emt 0:00:09]} Qxd3 {[%emt 0:00:05]} 53. Rxe6 {[%emt 0:00:04]} Qxf3 {[%emt 0:00:20]} 54. Kh2 {[%emt 0:00:46]} h4 {[%emt 0:00:06] Weighted Error Value: White=1.08/Black=0.81} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.15"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Martinez Martinez, Ian Alf"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2536"]
[BlackElo "1821"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,65,28,18,8,19,-14,-18,-17,-11,-13,-9,-25,-22,-30,-8,0,0,0,14,0,0,-18,45,48,81,89,75,52,298,297,290,259,287,261,307,287,389,330,458,411,531,458,450,436,397,222,1104,1108,1114,1054,1328,1218,1290,867,821,809]} 1. d4 {[%emt 0:02:32]} d5 {[%emt 0:00:36]} 2. c4 {[%emt 0:00:15]} c6 {[%emt 0:00:18]} 3. Nf3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:08]} 4. e3 {[%emt 0:00:14]} Bg4 {[%emt 0:00:49]} 5. h3 {[%emt 0:00:13]} Bh5 {[%emt 0:00:08]} 6. Nc3 {[%emt 0:00:27]} e6 {[%emt 0:01:33]} 7. Qb3 {[%emt 0:00:13] D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Qb6 {[%emt 0:04:49]} 8. c5 {[%emt 0:00:18] 8.Nh4 is setting a new trend.} Qc7 {[%emt 0:01:29]} 9. g4 {[%emt 0:00:11] The position is equal.} Bg6 {[%emt 0:01:41]} 10. Ne5 {[%emt 0:02:11]} Nbd7 {[%emt 0:12:55]} 11. Nxg6 {[%emt 0:00:02]} hxg6 {[%emt 0:00:28]} 12. Bg2 {[%emt 0:00:05]} Be7 {[%emt 0:10:36]} 13. g5 $36 {[%emt 0:02:55][%mdl 2048] White is more active.} Nh5 {[%emt 0:08:26]} 14. h4 {[%emt 0:00:01] [#]} Rb8 $146 {[%emt 0:07:34]} ({Predecessor:} 14... b6 15. cxb6 axb6 16. Bd2 O-O 17. Rc1 Qd6 18. a3 e5 19. Ne2 Rae8 20. Bh3 f5 21. gxf6 Bxf6 {1-0 (58) Ziegler,A (2393)-Ingbrandt,J (2445) Sweden 2002}) 15. Bd2 {[%emt 0:08:08]} b6 {[%emt 0:03:38]} 16. cxb6 {[%emt 0:00:05]} Rxb6 {[%emt 0:01:40]} ({Better is} 16... Nxb6 $11 17. Qc2 Nc4) 17. Qc2 $14 {[%emt 0:00:08]} c5 {[%emt 0:15:48]} 18. Na4 {[%emt 0:00:21]} Rc6 {[%emt 0:00:09] [#] Hoping for ...cxd4.} 19. Rc1 {[%emt 0:00:23]} Ng3 $2 {[%emt 0:04:34] This costs Black the game.} 20. fxg3 $18 {[%emt 0:12:45]} Qxg3+ {[%emt 0:00:14]} 21. Kf1 {[%emt 0:00:05][%cal Ra4c5]} Rxh4 {[%emt 0:00:46]} 22. Rxh4 {[%emt 0:00:27]} (22. Nxc5 Rxh1+ 23. Bxh1 Nxc5 $18) 22... Qxh4 {[%emt 0:00:03]} 23. Qb3 {[%emt 0:01:19] [#] And now Qb7 would win.} ({Don't play} 23. Nxc5 Bxc5 24. Qa4 (24. dxc5 Rxc5 25. Qd1 Qxg5 $18) 24... Rc7) ({Not} 23. dxc5 Ne5 24. Be1 Qxg5 $16) 23... Qg3 {[%emt 0:11:54]} 24. Qb7 {[%emt 0:02:33]} Nb8 {[%emt 0:05:55]} 25. Nxc5 {[%emt 0:04:53] Black must now prevent e4.} Bxg5 {[%emt 0:01:44]} 26. Nd3 {[%emt 0:00:22]} Rxc1+ {[%emt 0:02:11]} 27. Nxc1 {[%emt 0:00:55]} (27. Bxc1 Nd7 28. Qc6 (28. Qxa7 Bxe3 29. Qa4 Ke7 $16) 28... Ke7 $18) 27... Nd7 {[%emt 0:03:02]} 28. Qc8+ {[%emt 0:00:34]} (28. Qxa7 $142 {Nd3 is the strong threat.} Ke7 29. Qa3+ Ke8 30. Qa8+ Qb8 31. Qxb8+ Nxb8 32. a4) 28... Ke7 $2 {[%emt 0:00:46]} (28... Bd8 29. e4 Qh4) 29. Bb4+ {[%emt 0:00:39] White is clearly winning.} Kf6 {[%emt 0:00:07]} 30. Qxd7 {[%emt 0:00:26]} Bxe3 {[%emt 0:00:54]} 31. Qe7+ {[%emt 0:00:10]} Kf5 {[%emt 0:00:23]} 32. Qxf7+ {[%emt 0:00:14]} Kg5 {[%emt 0:00:08]} 33. Ne2 {[%emt 0:00:25] Weighted Error Value: White=0.21 (precise) /Black=0.52} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.16"]
[White "Rivera Garcia, David Moises"]
[Black "Torres Rosas, Luis Carlos"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "1780"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,67,0,45,10,42,0,0,-31,-37,-68,-60,-106,-90,-108,-109,-81,-56,-86,-77,-145,-79,-226,-235,-213,-213,-210,-146,-159,-142,-295,-289,-606,-578,-561,-485,-469,-463,-1115,-1100,-1411,-1339,-1459,-1359,-1406,-1381,-29990,-29991,-29993,-29994,-29994,-29995,-29995,-29996,-29998,-29999,-29999]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:03]} a6 {[%emt 0:02:08]} 6. Bg5 {[%emt 0:00:05]} Nbd7 {[%emt 0:00:18]} 7. Qd2 {[%emt 0:03:28] 7.Qe2 is a critical line.} b5 {[%emt 0:01:07]} 8. f3 {[%emt 0:02:43] B94: Sicilian Najdorf: 6 Bg5 Nbd7.} e6 {[%emt 0:07:03]} 9. O-O-O {[%emt 0:00:21]} Bb7 {[%emt 0:00:42]} 10. g3 {[%emt 0:07:34] [#] The position is equal.} Be7 $146 {[%emt 0:02:44]} ({Predecessor:} 10... h6 11. Be3 b4 12. Nce2 d5 13. exd5 Nxd5 14. Kb1 Bc5 15. Bg1 Qb6 16. Nb3 Bxg1 17. Nxg1 {0-1 (32) Sadiki,N (2188)-Ermenkov,E (2423) Struga 2013}) 11. Bg2 {[%emt 0:00:32]} Rc8 {[%emt 0:07:37]} 12. a3 {[%emt 0:03:34]} (12. Kb1 $15) 12... Ne5 {[%emt 0:04:45]} 13. f4 {[%emt 0:00:55]} Nc4 {[%emt 0:00:08]} 14. Qe2 {[%emt 0:00:06]} Qc7 {[%emt 0:05:07] Strongly threatening ...h6.} 15. Nb1 {[%emt 0:17:51]} O-O {[%emt 0:06:43]} 16. g4 {[%emt 0:05:15]} (16. Rhe1 $142) 16... Rfe8 {[%emt 0:04:15]} (16... h6 $142 17. Bh4 d5) 17. Bxf6 {[%emt 0:00:41]} (17. h4 $17) 17... Bxf6 $19 {[%emt 0:00:51]} ({Worse is} 17... gxf6 18. Qf2) 18. g5 {[%emt 0:00:44]} Bxd4 {[%emt 0:07:18]} 19. Rxd4 {[%emt 0:00:02]} e5 {[%emt 0:00:17]} 20. fxe5 {[%emt 0:01:55]} Rxe5 $40 {[%emt 0:03:22][%mdl 128] White is in trouble.} 21. b3 $2 {[%emt 0:03:46] This costs White the game.} (21. h4 $17 {keeps fighting.}) 21... Ne3 {[%emt 0:02:04][%cal Rc7c2]} 22. c4 {[%emt 0:01:08] [#]} (22. c3 Nf5 23. Rd2) 22... bxc4 $1 {[%emt 0:07:41]} 23. b4 {[%emt 0:00:33]} Nxg2 {[%emt 0:01:28]} 24. Qxg2 {[%emt 0:00:03]} c3 {[%emt 0:00:22]} 25. Kc2 {[%emt 0:11:47]} (25. Qf3 $142) 25... Qe7 {[%emt 0:01:13][%csl LRe4,LRg5][%cal Re5e4]} 26. Re1 {[%emt 0:03:07]} Qe6 {[%emt 0:03:55] ( -> ...Qa2+)} 27. Re2 {[%emt 0:01:20] [#]} Rxg5 $3 {[%emt 0:01:02][%mdl 512]} 28. Qxg5 {[%emt 0:00:44]} Qa2+ {[%emt 0:00:02][%mdl 64] Skewer} 29. Kc1 {[%emt 0:05:16]} Qxe2 {[%emt 0:00:40] Black mates.} 30. Rxd6 {[%emt 0:00:18]} Qb2+ {[%emt 0:00:14]} 31. Kd1 {[%emt 0:00:05]} c2+ {[%emt 0:00:10]} 32. Ke2 {[%emt 0:00:18]} cxb1=Q+ {[%emt 0:00:40]} 33. Kf3 {[%emt 0:00:16]} Qxe4+ {[%emt 0:00:08]} 34. Kg3 {[%emt 0:00:09]} Qbg2# {[%emt 0:00:07] Weighted Error Value: White=0.95/Black=0.14 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.17"]
[White "Pena Davalos, David"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1761"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,57,0,4,0,0,0,26,23,50,-147,-141,-173,-178,-169,-128,-127,-152,-139,-148,-187,-199,-195,-209,-270,-265,-276,-261,-267,-274,-261,-214,-363,-258,-29994,-29995,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. Nf3 {[%emt 0:00:03] Milov,V} c5 {[%emt 0:05:47]} 2. c4 {[%emt 0:00:14]} g6 {[%emt 0:00:24]} 3. g3 {[%emt 0:00:15]} Bg7 {[%emt 0:00:13]} 4. Bg2 {[%emt 0:00:15]} Nc6 {[%emt 0:00:32]} 5. O-O {[%emt 0:00:33]} d6 {[%emt 0:01:21]} 6. Nc3 {[%emt 0:01:23]} e6 {[%emt 0:00:56]} 7. e3 {[%emt 0:07:34]} Nge7 {[%emt 0:02:43][%cal Bg8e7,Be7f5,Bf5h4][%mdl 32]} 8. d4 {[%emt 0:04:50]} O-O {[%emt 0:02:45]} 9. d5 {[%emt 0:07:03] 9.Re1 is the modern continuation. A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} Na5 {[%emt 0:01:42]} 10. Nd2 {[%emt 0:02:39]} exd5 {[%emt 0:09:04]} 11. cxd5 {[%emt 0:04:50] White has an edge.} Nf5 {[%emt 0:03:04] [#]} 12. g4 $146 {[%emt 0:10:44]} (12. Rb1 $14 {stays ahead.}) ({Predecessor:} 12. Nb3) 12... Nh4 $17 {[%emt 0:01:44]} 13. h3 {[%emt 0:06:19]} f5 {[%emt 0:03:36][%cal Oh7h5]} 14. f4 {[%emt 0:02:11]} fxg4 {[%emt 0:12:35]} 15. hxg4 {[%emt 0:00:17]} Nxg2 {[%emt 0:00:14]} 16. Kxg2 {[%emt 0:00:43]} Qh4 {[%emt 0:00:12]} 17. Rh1 {[%emt 0:05:14]} Qxg4+ {[%emt 0:00:18]} 18. Qxg4 {[%emt 0:00:10]} Bxg4 {[%emt 0:00:09]} 19. Nb5 {[%emt 0:07:19]} Rae8 {[%emt 0:12:29]} 20. Re1 {[%emt 0:11:44] [#]} Rxf4 $3 {[%emt 0:04:23][%mdl 512] ...Rff8 is the strong threat.} 21. Nxd6 {[%emt 0:00:28]} Re7 {[%emt 0:01:10][%cal Be8e7,Be7g7,Bg7g6][%mdl 32] Threatens to win with ...Rf6.} 22. Kg3 {[%emt 0:05:46]} Rb4 {[%emt 0:04:47] And now ...Be5+ would win.} 23. a3 {[%emt 0:01:14]} (23. e4 $142 h5 24. Nf3) 23... Be5+ {[%emt 0:00:17]} 24. Kh4 $2 {[%emt 0:02:45] [#]} (24. Kg2 $19 Ra4 25. N6e4) 24... g5+ {[%emt 0:01:20] Black mates.} 25. Kxg5 {[%emt 0:00:23]} Rg7+ {[%emt 0:01:26]} 26. Kh4 {[%emt 0:00:45]} Bd7+ {[%emt 0:00:50] This bishop pair is nice.} 27. axb4 {[%emt 0:05:35]} Bg3+ {[%emt 0:00:12]} 28. Kh5 {[%emt 0:00:09]} Bg4+ {[%emt 0:00:10]} 29. Kh6 {[%emt 0:00:07]} Rg6# {[%emt 0:00:07] Weighted Error Value: White=0.91/Black=0.12 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.18"]
[White "Kowalski Davila, Emilio Luis"]
[Black "Capo Vidal, Uriel"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1735"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,115,5,23,18,23,20,23,31,21,33,19,1,33,33,33,31,34,41,95,0,0,0,0,0,172,165,177,171,164,134,136,126,127,75,84,49,34,49,44,21,42,-8,-8,-113,-41,-60,-29,-23,-14,-1,0,-79,-67,-76,-56,-68,-56,-84,-8,-8,0,-8,-8,-17,-6,-56,-8,-49,101,101,101,101,101,101,101,101,96,0,6,0,0,0,372,350,509,517,513,486,507,477,897,895,884,854,781,769,737,724,1024,1032,29983,29984,29984,29985,29985,29986,2040,2040]} 1. d4 {[%emt 0:03:57]} d5 {[%emt 0:01:34]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:17]} a6 {[%emt 0:00:13]} 4. e3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:26]} 5. Nf3 {[%emt 0:01:18]} Be7 {[%emt 0:06:26]} 6. b3 {[%emt 0:00:56] D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} b6 {[%emt 0:02:08]} 7. Bd3 {[%emt 0:01:55]} Bb7 {[%emt 0:02:13]} 8. O-O {[%emt 0:00:37] White has an edge.} Nbd7 {[%emt 0:02:48]} 9. Bb2 {[%emt 0:01:28]} O-O {[%emt 0:01:17]} 10. Re1 {[%emt 0:01:28] [#]} Ne4 $146 {[%emt 0:04:32]} ({Predecessor:} 10... c5 11. Rc1 Rc8 12. Qe2 Bd6 13. cxd5 Nxd5 14. Nxd5 exd5 15. dxc5 Nxc5 16. Bf5 Rc7 17. Bd4 b5 18. b4 Ne4 19. Bb6 Qe7 20. Bxc7 Bxc7 {½-½ (44) Chernov,I (2073)-Okrugin,A (2061) Zelenograd 2012}) 11. Qc2 {[%emt 0:02:44]} f5 {[%emt 0:00:17]} 12. Ne2 {[%emt 0:04:18]} Bd6 {[%emt 0:04:17]} 13. Ne5 {[%emt 0:02:00]} Rf6 {[%emt 0:09:30]} (13... Qe7 $14) 14. Bxe4 {[%emt 0:18:16]} ({White should try} 14. cxd5 $16 exd5 15. f3) 14... fxe4 $11 {[%emt 0:03:16]} 15. c5 {[%emt 0:02:33]} bxc5 {[%emt 0:19:42]} 16. Nxd7 {[%emt 0:00:35][%mdl 64] [#] Remove Defender} Qxd7 {[%emt 0:03:51]} (16... Bxh2+ $1 $11 17. Kxh2 Rh6+ 18. Kg1 Qh4) 17. dxc5 $18 {[%emt 0:00:26]} Be7 {[%emt 0:02:56]} 18. Bxf6 {[%emt 0:00:27]} Bxf6 {[%emt 0:00:29]} 19. Rac1 {[%emt 0:00:23] c6 is the strong threat.} c6 {[%emt 0:00:10]} 20. Red1 {[%emt 0:00:40][%cal Oc2e4]} Qe8 {[%emt 0:03:31]} 21. Ng3 {[%emt 0:10:16]} (21. b4 $142) 21... a5 {[%emt 0:01:50]} 22. f3 {[%emt 0:03:41]} exf3 {[%emt 0:01:07]} 23. gxf3 {[%emt 0:00:10]} Bc8 {[%emt 0:04:58]} 24. Kg2 {[%emt 0:02:53]} Rb8 {[%emt 0:02:35]} 25. a4 {[%emt 0:07:38]} (25. Rg1 $14) 25... e5 $11 {[%emt 0:00:50]} 26. Kf2 {[%emt 0:04:36]} (26. e4 $11 {remains equal.} d4 27. Rb1) 26... Qe6 {[%emt 0:02:24]} (26... Bg5 $17 {And now ...Qf7 would win.} 27. Qc3 Bh3) 27. Rb1 $15 {[%emt 0:00:54]} Rb4 {[%emt 0:00:32][%mdl 1024] Black has compensation.} 28. e4 {[%emt 0:01:11]} Qh3 {[%emt 0:00:34]} 29. Kg1 {[%emt 0:00:52]} d4 {[%emt 0:00:03]} 30. Qd3 {[%emt 0:01:19]} (30. Qg2 $11) 30... Bg5 $17 {[%emt 0:00:34]} 31. Kh1 {[%emt 0:01:32]} Be3 {[%emt 0:00:54] Prevents Rg1.} (31... g6 $5 {[%cal Rg5f4]}) 32. Rb2 {[%emt 0:00:32]} h5 {[%emt 0:03:07] [#] aiming for ...h4.} 33. Qf1 {[%emt 0:02:02]} Qxf1+ {[%emt 0:08:03]} (33... h4 $17 34. Qxh3 Bxh3) 34. Nxf1 $11 {[%emt 0:00:25]} Bg5 {[%emt 0:00:30]} 35. Kg2 {[%emt 0:05:24]} Be6 {[%emt 0:01:19]} 36. Rdb1 {[%emt 0:00:51]} h4 {[%emt 0:02:03]} 37. Kf2 {[%emt 0:00:11]} (37. h3 $11) 37... Kf7 {[%emt 0:00:22]} (37... Bf4 $1 $15 {should be considered.}) 38. Ke2 {[%emt 0:00:22]} Be7 {[%emt 0:00:33]} (38... Bf4 $15 {stays ahead.}) 39. Nd2 $16 {[%emt 0:00:27]} Bc8 {[%emt 0:03:37]} 40. Nc4 {[%emt 0:01:32]} Ba6 {[%emt 0:00:01]} 41. Rc2 {[%emt 0:00:29]} Ke6 {[%emt 0:00:51]} 42. Kd2 {[%emt 0:02:27]} Bg5+ {[%emt 0:00:07]} 43. Kd3 {[%emt 0:00:11]} (43. Kd1 $16 Bd8 44. Kc1) 43... Be7 {[%emt 0:00:17]} 44. h3 {[%emt 0:00:53]} Bxc5 {[%emt 0:01:08]} 45. Kd2 {[%emt 0:00:29]} Be7 $2 {[%emt 0:00:28][%mdl 8192]} (45... Rb8 $11 {and Black is okay.}) 46. Nxa5 $18 {[%emt 0:01:31]} Bg5+ {[%emt 0:01:18]} (46... c5 $142 47. Rg1 c4 48. Rxg7 Bf6) 47. Ke1 {[%emt 0:01:26]} Rb6 {[%emt 0:02:29]} 48. Rxc6+ {[%emt 0:00:59]} Rxc6 {[%emt 0:00:01]} 49. Nxc6 {[%emt 0:00:16][%mdl 4096] Endgame Threatens to win with b4. KRN-KB} Bf4 {[%emt 0:02:06]} (49... Kd6 $142 50. Nb4 Bc8) 50. Nb4 {[%emt 0:00:38]} Bg3+ {[%emt 0:00:00]} 51. Kd2 {[%emt 0:00:23]} Bf4+ {[%emt 0:00:02]} 52. Kd1 {[%emt 0:01:32]} Bf1 {[%emt 0:00:01]} 53. Kc2 {[%emt 0:00:27]} Be2 {[%emt 0:00:01]} 54. a5 {[%emt 0:01:33][%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Bxf3 {[%emt 0:00:56]} 55. Kd3 {[%emt 0:00:16]} Bh5 {[%emt 0:00:01]} 56. a6 {[%emt 0:00:38]} Be8 {[%emt 0:00:06]} 57. a7 {[%emt 0:00:29]} Bb5+ {[%emt 0:00:05]} 58. Kc2 {[%emt 0:13:22] Weighted Error Value: White=0.19 (very precise) /Black=0.55} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.19"]
[White "Tapie Amione, Pablo Adib"]
[Black "Contreras Frias, Gabriel"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2241"]
[BlackElo "1771"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,59,14,40,20,24,13,18,0,11,4,7,-38,-21,-38,0,-19,-11,-46,-39,-39,12,2,61,0,49,11,91,80,97,104,99,77,242,238,443,72,83,90,225,222,305,300,353,333,343,349,342,352,533,533,575,575]} 1. e4 {[%emt 0:12:27]} d6 {[%emt 0:00:41]} 2. d4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:08]} g6 {[%emt 0:00:06]} 4. h3 {[%emt 0:03:42]} Bg7 {[%emt 0:01:49]} 5. Be3 {[%emt 0:00:20]} Nbd7 {[%emt 0:02:41]} 6. Nge2 {[%emt 0:04:49] B07: Pirc Defence: Miscellaneous Systems.} O-O {[%emt 0:06:15][%cal Ob7b5]} 7. g4 {[%emt 0:00:48] [#]} b5 $146 {[%emt 0:06:06]} ({Predecessor:} 7... c5 8. Bg2 cxd4 9. Bxd4 Ne5 10. O-O Nc4 11. g5 Nh5 12. Bxg7 Nxg7 13. b3 Nb6 {½-½ (63) Brandenburg,D (2538)-Vovk,A (2551) Shenzhen 2011}) 8. a3 {[%emt 0:01:08] The position is equal.} c5 {[%emt 0:02:41]} 9. Bg2 {[%emt 0:02:04][%cal Oe4e5] [#] e5! is the strong threat.} Bb7 {[%emt 0:15:23]} 10. Ng3 {[%emt 0:07:49]} (10. O-O $5 {[%cal Re4e5]}) 10... a6 {[%emt 0:03:25]} 11. O-O {[%emt 0:09:26][%cal Oe4e5] Black must now prevent e5!} Qc7 {[%emt 0:04:36]} 12. g5 {[%emt 0:03:37]} Ne8 {[%emt 0:02:08]} 13. Nce2 {[%emt 0:10:14]} (13. Nd5 $5 {[%cal Rd5c7]} Qd8 14. c3 $11) 13... Nb6 {[%emt 0:02:24]} 14. b3 {[%emt 0:01:12]} a5 {[%emt 0:08:04]} (14... cxd4 $15 15. Bxd4 Bxd4 16. Qxd4 Ng7) 15. Qd2 {[%emt 0:08:50]} b4 {[%emt 0:17:03]} (15... f5 $11) 16. Rfc1 {[%emt 0:03:17]} (16. axb4 $14 axb4 17. Rxa8 Bxa8 18. f4) 16... Nd7 {[%emt 0:02:39]} (16... bxa3 $11 17. Rxa3 a4) 17. c3 {[%emt 0:04:23]} bxa3 {[%emt 0:03:16]} (17... bxc3 $1 $11 {remains equal.} 18. Qxc3 (18. Nxc3 cxd4 19. Bxd4 Bxd4 $11) (18. Rxc3 Qb8 $11) 18... cxd4 19. Nxd4 (19. Qxc7 Nxc7 20. Bxd4 Rfc8 $15) 19... Qxc3 20. Rxc3 f5 21. gxf6 (21. exf5 Bxg2 22. Kxg2 gxf5 $11) 21... Bxf6) 18. Rxa3 $16 {[%emt 0:00:32]} c4 {[%emt 0:01:58]} 19. Qa2 {[%emt 0:00:26]} Nb6 {[%emt 0:01:25]} 20. Rb1 {[%emt 0:01:21]} Rb8 $2 {[%emt 0:05:56] [#]} (20... Ba6 $16 {is a better defense.}) 21. Rxa5 $18 {[%emt 0:01:44]} Ra8 $2 {[%emt 0:02:38]} (21... e5 22. dxe5 Nd7 23. bxc4 dxe5) 22. d5 $2 {[%emt 0:03:32]} (22. Rxa8 $18 {has better winning chances.} Bxa8 23. bxc4) 22... Rxa5 $16 {[%emt 0:05:37]} 23. Qxa5 {[%emt 0:00:06]} Nd7 {[%emt 0:00:04]} (23... Nxd5 $16 24. Qxc7 Ndxc7) 24. Qb5 {[%emt 0:03:06]} Nc5 {[%emt 0:01:27]} 25. b4 {[%emt 0:06:40]} ({Weaker is} 25. bxc4 Ba6 26. Qb4 f6 $18) 25... Ba6 {[%emt 0:02:15]} 26. Qc6 {[%emt 0:00:02]} Qxc6 {[%emt 0:00:36]} 27. dxc6 {[%emt 0:00:01]} Nb3 {[%emt 0:00:28]} 28. Bb6 {[%emt 0:01:07] Prevents Nc7.} d5 {[%emt 0:01:35]} (28... h6 {was necessary.} 29. h4 hxg5 30. hxg5 Bh8) 29. Bd8 $18 {[%emt 0:00:23]} e6 {[%emt 0:00:52]} 30. exd5 {[%emt 0:00:22] Weighted Error Value: White=0.48/Black=0.48} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.20"]
[White "Serrato, Rafael Antonio"]
[Black "Hernandez Guerrero, Eduardo"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1707"]
[BlackElo "2232"]
[Annotator "ChessBase"]
[PlyCount "62"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:01]} Nf6 {[%emt 0:01:18]} 2. Bf4 {[%emt 0:00:07]} e6 {[%emt 0:01:57]} 3. e3 {[%emt 0:00:40]} b6 {[%emt 0:02:10]} 4. Qf3 {[%emt 0:04:35]} d5 {[%emt 0:03:06]} 5. Nd2 {[%emt 0:01:41]} Bb7 {[%emt 0:00:26]} 6. Bd3 {[%emt 0:00:14]} c5 {[%emt 0:02:24]} 7. c3 {[%emt 0:00:06]} Nbd7 {[%emt 0:00:06]} 8. Qh3 {[%emt 0:00:47]} Ne4 {[%emt 0:05:17]} 9. f3 {[%emt 0:05:07]} Nxd2 {[%emt 0:06:19]} 10. Kxd2 {[%emt 1:22:12]} a6 {[%emt 1:12:27]} 11. Ne2 {[%emt 0:00:00]} g5 {[%emt 0:00:00]} 12. Bg3 {[%emt 0:00:00]} h5 {[%emt 0:00:00]} 13. Bf2 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 14. g3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 15. Qg2 {[%emt 0:00:00]} Qe7 {[%emt 0:00:00]} 16. e4 {[%emt 0:00:00]} g4 {[%emt 0:00:00]} 17. e5 {[%emt 0:00:00]} gxf3 {[%emt 0:00:00]} 18. Qxf3 {[%emt 0:00:00]} Ne4+ {[%emt 0:00:00]} 19. Bxe4 {[%emt 0:00:00]} dxe4 {[%emt 0:00:00]} 20. Qe3 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 21. cxd4 {[%emt 0:00:00]} Qb4+ {[%emt 0:00:00]} 22. Kc2 {[%emt 0:00:00]} Rc8+ {[%emt 0:00:00]} 23. Kb1 {[%emt 0:00:00]} Bh6 {[%emt 0:00:00]} 24. Nf4 {[%emt 0:00:00]} Bxf4 {[%emt 0:00:00]} 25. gxf4 {[%emt 0:00:00]} Rg8 {[%emt 0:00:00]} 26. Rc1 {[%emt 0:00:00]} Rxc1+ {[%emt 0:00:00]} 27. Kxc1 {[%emt 0:00:00]} Rg2 {[%emt 0:00:00]} 28. h4 {[%emt 0:00:00]} Qb5 {[%emt 0:00:00]} 29. Qe1 {[%emt 0:05:24]} e3 {[%emt 0:00:00]} 30. Qxe3 {[%emt 0:01:19]} Qf1+ {[%emt 0:00:00]} 31. Be1 {[%emt 0:01:53]} Re2 {[%emt 0:10:30]} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.21"]
[White "Lopez Raygoza, Luis Alberto"]
[Black "Villanueva De Leon, Vanessa"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2207"]
[BlackElo "1729"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,63,17,24,18,30,29,31,25,43,18,21,2,16,7,19,16,45,28,27,21,16,0,11,-2,18,-54,49,22,155,140,263,225,254,243,256,247,239,218,413,239,336,333,407,362,533,538,924,927,1125,1124,825,510,29984,1022,29990,1289]} 1. e4 {[%emt 0:02:34]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:00:23]} 3. Bb5+ {[%emt 0:00:17]} Nd7 {[%emt 0:00:40]} 4. O-O {[%emt 0:00:19]} a6 {[%emt 0:02:45]} 5. Bd3 {[%emt 0:00:09]} Ngf6 {[%emt 0:01:24]} 6. Re1 {[%emt 0:00:33] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} e5 {[%emt 0:01:21]} 7. a4 {[%emt 0:01:42]} Be7 {[%emt 0:01:47]} 8. c3 {[%emt 0:00:22] White is slightly better.} O-O {[%emt 0:01:38]} 9. Bc2 {[%emt 0:01:45]} Nb8 {[%emt 0:07:20]} 10. d4 {[%emt 0:03:56]} cxd4 {[%emt 0:00:30]} 11. cxd4 {[%emt 0:00:06]} Bg4 {[%emt 0:01:41]} 12. d5 {[%emt 0:01:29] [#] Against Nc6} Qc7 $146 {[%emt 0:04:20]} ({Predecessor:} 12... Nbd7 13. Na3 Rc8 14. h3 Bh5 15. b4 Bg6 16. a5 Nh5 17. Bd3 h6 18. Qb3 f5 19. exf5 Bxf5 20. Bxf5 Rxf5 {½-½ (29) Fister,B (2305)-Kuhne,D (2348) ICCF email 2014}) 13. Nc3 {[%emt 0:01:15]} Nbd7 {[%emt 0:04:33]} 14. Bd3 {[%emt 0:01:55]} Nc5 {[%emt 0:02:21]} 15. Bf1 {[%emt 0:00:05]} Rfc8 {[%emt 0:02:41]} 16. h3 {[%emt 0:01:15]} Bh5 {[%emt 0:01:57]} (16... Bxf3 $5 17. Qxf3 Qb6 $11) 17. Ra3 {[%emt 0:04:06] [#]} (17. g4 $11 Bg6 18. Nd2) 17... Bg6 {[%emt 0:05:19]} (17... Ncxe4 $1 $15 18. g4 Bg6) 18. Nd2 $1 $14 {[%emt 0:01:31]} Bxe4 {[%emt 0:07:39]} 19. b4 $16 {[%emt 0:06:48]} Bxd5 {[%emt 0:06:15]} (19... Nd3 $16 20. Ndxe4 Nxe1 21. Nxf6+ (21. Qxe1 Nxe4 22. Qxe4 Qd8 $16) 21... Bxf6) 20. Nxd5 $18 {[%emt 0:03:58]} Nxd5 {[%emt 0:00:06]} 21. bxc5 {[%emt 0:00:05]} Qxc5 {[%emt 0:01:07]} 22. Ne4 {[%emt 0:01:45]} Qc6 {[%emt 0:02:00]} 23. Bd2 {[%emt 0:01:08] Against Nb4} f5 $2 {[%emt 0:02:44] [#]} (23... Nc7 24. Qb1 (24. Rc3 Qd7 $18) 24... b5 25. axb5 axb5) 24. Nc3 {[%emt 0:00:51]} (24. Qb3 $142 $1) 24... Nxc3 {[%emt 0:03:29]} (24... Nf6 {keeps fighting.} 25. Rb3 Rc7) 25. Rxc3 {[%emt 0:00:25]} ({Don't do} 25. Bxc3 $6 h6 26. Bb2 Kh7 $18) 25... Qd7 {[%emt 0:02:04]} 26. Qb3+ {[%emt 0:00:41]} Kf8 {[%emt 0:01:32]} (26... Kh8 {might work better.} 27. Rxc8+ Qxc8) 27. Bc4 {[%emt 0:01:36][%cal Bf1c4,Bc4g8,Bg8h7][%mdl 32]} Rc7 {[%emt 0:01:11]} 28. Bg8 {[%emt 0:03:14][%csl Gg8][%cal Rb3f7] This bishop pair is nice.} Bf6 {[%emt 0:01:24]} 29. Rxc7 {[%emt 0:00:13]} Qxc7 {[%emt 0:00:04]} 30. Bxh7 {[%emt 1:01:20] Hoping for Qg8+.} Ke8 {[%emt 0:35:08] [#]} (30... Qf7 $18 31. Qb6 Be7 32. Qxb7 Re8) 31. g3 {[%emt 0:00:30]} (31. Rxe5+ $142 $3 {[%mdl 512]} Bxe5 32. Qg8+ Ke7 33. Bg5+ Bf6 34. Qxg7+ Kd8 35. Qxf6+ Kc8 36. Qf8+ Kd7 37. Qxf5+ Kc6 38. Qc2+ Kb6 39. a5+ Kb5 40. Qxc7) 31... Qd8 32. h4 {Weighted Error Value: White=0.36/Black=0.95} (32. Bg6+ $142 Kd7 33. Qxb7+ Qc7 34. Bxf5+ Kd8 {[#]} 35. Ba5 $1 {[%mdl 512]} Ke7 36. Bxc7 Bg5 37. Bxd6+ $1 {[%mdl 512]} Kxd6 38. Rd1+ Bd2 39. Rxd2+ Kc5 40. Rc2+ Kd6 41. Qd7#) 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.22"]
[White "Mejia Nunez, Haziel"]
[Black "Flores Guerrero, Jesus Aldair"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1611"]
[BlackElo "2251"]
[Annotator "ChessBase"]
[PlyCount "90"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:09]} d5 {[%emt 0:01:14]} 2. exd5 {[%emt 0:00:13]} Qxd5 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:05]} Qa5 {[%emt 0:00:07]} 4. b4 {[%emt 0:15:17]} Qxb4 {[%emt 0:02:06]} 5. Rb1 {[%emt 0:00:06]} Qd6 {[%emt 0:00:30]} 6. Bc4 {[%emt 0:05:05]} Nf6 {[%emt 0:00:21]} 7. Qf3 {[%emt 0:07:01]} c6 {[%emt 0:07:40]} 8. d3 {[%emt 0:08:48]} e6 {[%emt 0:00:30]} 9. Bf4 {[%emt 0:09:18]} Qd8 {[%emt 0:03:44]} 10. Kf1 {[%emt 0:10:18]} Bd6 {[%emt 0:10:19]} 11. Nge2 {[%emt 0:09:58]} O-O {[%emt 0:03:30]} 12. h4 {[%emt 0:00:49]} Bxf4 {[%emt 0:02:15]} 13. Qxf4 {[%emt 0:00:10]} Nd5 {[%emt 0:00:08]} 14. Bxd5 {[%emt 0:01:19]} exd5 {[%emt 0:00:11]} 15. g4 {[%emt 0:00:47]} Na6 {[%emt 0:01:42]} 16. Qf3 {[%emt 0:04:18]} f5 {[%emt 0:03:48]} 17. g5 {[%emt 0:02:22]} Nc5 {[%emt 0:03:24]} 18. Nf4 {[%emt 0:01:09]} Ne6 {[%emt 0:02:36]} 19. Nce2 {[%emt 0:00:44]} b5 {[%emt 0:03:36]} 20. Nxe6 {[%emt 0:01:14]} Bxe6 {[%emt 0:00:12]} 21. Nd4 {[%emt 0:00:06]} Qd6 {[%emt 0:00:24]} 22. Nxe6 {[%emt 0:06:56]} Qxe6 {[%emt 0:01:35]} 23. Qe3 {[%emt 0:00:49]} Qxe3 {[%emt 0:05:20]} 24. fxe3 {[%emt 0:00:28]} Rae8 {[%emt 0:00:39]} 25. Ke2 {[%emt 0:00:52]} f4 {[%emt 0:02:19]} 26. Rh3 {[%emt 0:00:10]} Re7 {[%emt 0:00:09]} 27. Kd2 {[%emt 0:00:34]} fxe3+ {[%emt 0:00:20]} 28. Rxe3 {[%emt 0:00:47]} Rf2+ {[%emt 0:00:09]} 29. Ke1 {[%emt 0:00:06]} Rxe3+ {[%emt 0:02:37]} 30. Kxf2 {[%emt 0:00:46]} Rh3 {[%emt 0:00:09]} 31. Rb4 {[%emt 0:00:46]} Rh2+ {[%emt 0:00:21]} 32. Ke3 {[%emt 0:00:08]} Rxc2 {[%emt 0:00:20]} 33. a4 {[%emt 0:00:39]} a5 {[%emt 0:00:12]} 34. axb5 {[%emt 0:00:07]} axb4 {[%emt 0:01:08]} 35. b6 {[%emt 0:00:10]} Rc5 {[%emt 0:00:11]} 36. Kd4 {[%emt 0:03:36]} Rb5 {[%emt 0:00:09]} 37. b7 {[%emt 0:00:27]} b3 {[%emt 0:00:08]} 38. h5 {[%emt 0:00:27]} b2 {[%emt 0:00:08]} 39. g6 {[%emt 0:00:06]} b1=Q {[%emt 0:00:13]} 40. Ke5 {[%emt 0:00:53]} Qe1+ {[%emt 0:02:24]} 41. Kd6 {[%emt 0:00:38]} Kf8 {[%emt 0:01:54]} 42. Kxc6 {[%emt 0:03:33]} Qb4 {[%emt 0:00:36]} 43. d4 {[%emt 0:05:37]} Ke7 {[%emt 0:01:28]} 44. Kc7 {[%emt 0:03:16]} Rxb7+ {[%emt 0:00:18]} 45. Kc6 {[%emt 0:00:22]} Qb5# {[%emt 0:41:49]} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.23"]
[White "Blanco Fernandez, Alvaro"]
[Black "Baeza, Patricio"]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "2216"]
[BlackElo "1711"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,60,35,45,24,40,29,25,33,51,44,58,58,57,57,59,58,67,46,33,29,18,25,72,30,68,29,44,47,328,326,375,373,354,74,352,185,126,150,403,324,1734,1748,1632,1327,1318,1233,29996,29993,29993,29994,29999]} 1. Nf3 {[%emt 0:00:03]} Nf6 {[%emt 0:13:16]} 2. c4 {[%emt 0:00:14]} Nc6 {[%emt 0:00:10]} 3. d4 {[%emt 0:00:44][%cal Bd2d4,Bd4d5][%mdl 32]} e6 {[%emt 0:00:04]} 4. a3 {[%emt 0:00:08]} d6 {[%emt 0:00:11]} 5. Nc3 {[%emt 0:00:14]} g6 {[%emt 0:00:07]} 6. e4 {[%emt 0:01:22]} Bg7 {[%emt 0:00:05]} 7. d5 {[%emt 0:00:37] E10: Blumenfeld Gambit.} Nb8 {[%emt 0:04:48][%cal Bc6b8,Bb8d7,Bd7c5][%mdl 32]} 8. h3 {[%emt 0:02:57]} O-O {[%emt 0:00:40]} 9. Bd3 {[%emt 0:01:16] White has an edge.} a5 {[%emt 0:03:20]} 10. O-O {[%emt 0:00:37] [#]} exd5 $146 {[%emt 0:00:23]} ({Predecessor:} 10... e5 11. Rb1 Nh5 12. Re1 Nf4 13. Bf1 h6 14. Kh2 g5 15. g3 Ng6 16. Nd2 Nd7 {½-½ (34) Peek,M (2325)-Hausrath,D (2487) Vlissingen 2016}) 11. cxd5 {[%emt 0:00:58]} (11. Nxd5 Nbd7 $11) 11... Nbd7 {[%emt 0:01:41]} 12. Re1 {[%emt 0:00:16]} Nc5 {[%emt 0:00:59]} 13. Bc2 {[%emt 0:00:24]} Re8 {[%emt 0:00:35]} 14. Bg5 {[%emt 0:05:31][%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} h6 {[%emt 0:05:27]} 15. Bh4 {[%emt 0:01:57]} g5 {[%emt 0:18:14]} 16. Bg3 {[%emt 0:00:46]} Nfd7 {[%emt 0:00:23]} (16... g4 $11) 17. Nd4 {[%emt 0:02:34]} Ne5 {[%emt 0:09:16]} 18. Qe2 {[%emt 0:04:49]} Ng6 {[%emt 0:04:59]} 19. Rad1 {[%emt 0:01:37]} f5 $2 {[%emt 0:10:59][%mdl 8192]} ({Better is} 19... a4 $14) 20. Qh5 $18 {[%emt 0:01:56]} Bxd4 {[%emt 0:14:36]} 21. Qxg6+ {[%emt 0:02:10]} ({Not} 21. Rxd4 Kg7 $16) 21... Bg7 {[%emt 0:00:06]} 22. exf5 {[%emt 0:00:14]} (22. e5 $18 {and the rest is easy.}) 22... Rf8 $2 {[%emt 0:00:03][%mdl 8192]} (22... Rxe1+ $16 23. Rxe1 Bd7) 23. Re6 {[%emt 0:08:49]} Bd7 {[%emt 0:06:58]} 24. Qh5 $40 {[%emt 0:05:09][%mdl 128] White wants a kill. 0x0.002ceff46a05dp-1022s more active pieces.} Qc8 $2 {[%emt 0:05:10]} (24... Nxe6 $16 {was called for.} 25. fxe6 Be8) 25. Rde1 {[%emt 0:03:34][%cal Bd1e1,Be1e3,Be3f3][%mdl 32]} Re8 $2 {[%emt 0:00:00]} (25... Nxe6 26. fxe6 (26. dxe6 Qe8 $18) 26... Qe8) 26. Qg6 {[%emt 0:04:09][%cal Of5f6] [#] White threatens f6! and mate.} Bxe6 {[%emt 0:00:00]} 27. fxe6 {[%emt 0:01:03]} Qd8 {[%emt 0:00:00]} 28. Re3 {[%emt 0:00:31] White wants to mate with Rf3.} Qe7 {[%emt 0:00:31]} 29. Qh7+ {[%emt 0:00:39] White mates.} Kf8 {[%emt 0:00:41]} 30. Rf3+ {[%emt 0:00:10]} Bf6 {[%emt 0:00:06]} 31. Qh8# {[%emt 0:01:06] Weighted Error Value: White=0.33/Black=0.82} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.24"]
[White "Garduno Huerta, Joshua Emiliano"]
[Black "Quiroga Jaquez, Angel Ivan"]
[Result "1-0"]
[ECO "D40"]
[WhiteElo "1622"]
[BlackElo "2185"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,117,17,17,17,39,35,43,10,5,-12,-16,-19,143,133,190,206,187,183,212,106,141,108,112,108,128,111,136,119,127,113,152,123,111,68,74,48,55,15,21,22,13,0,0,0,0,0,0,0,7,20,20,15,94,23,24,23,27,18,22,31,25,30,59,0,41,8,8,8,8,8,29968,29969,29969,29970,29969,29971,29971,29972,29972,29973,29972,29974,29974,29975,29975,0,0,0,29975,29976,29976,29977,29977,29978,29978,29979,29979,29980,29986,29976]} 1. d4 {[%emt 0:00:30]} Nf6 {[%emt 0:05:16]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:38]} 3. Nc3 {[%emt 0:00:08]} d5 {[%emt 0:00:31]} 4. Nf3 {[%emt 0:02:48]} Be7 {[%emt 0:01:09]} 5. e3 {[%emt 0:01:52]} O-O {[%emt 0:01:03]} 6. Bd3 {[%emt 0:01:12]} c5 {[%emt 0:01:52]} 7. cxd5 {[%emt 0:02:50]} exd5 {[%emt 0:01:34]} 8. dxc5 {[%emt 0:00:11]} Nc6 {[%emt 0:00:21]} 9. O-O {[%emt 0:00:26]} Bxc5 {[%emt 0:01:38]} 10. a3 {[%emt 0:01:41]} a6 {[%emt 0:08:26]} 11. b4 {[%emt 0:01:39] D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3.} Bd6 {[%emt 0:01:16]} 12. Bb2 {[%emt 0:00:34]} Ne5 {[%emt 0:01:17]} 13. Be2 {[%emt 0:01:31] White is slightly better.} Nc4 {[%emt 0:02:03]} 14. Bxc4 {[%emt 0:01:16]} dxc4 {[%emt 0:00:07] [#]} 15. e4 $146 {[%emt 0:04:39][%cal Be3e4,Be4e5][%mdl 32]} ({Predecessor:} 15. Qd4 Be6 16. Rad1 Be7 17. Qe5 Nd7 18. Qg3 Bf6 19. Nd4 Qe7 20. f4 Bxd4 21. Rxd4 f6 22. e4 {1-0 (41) Belov,I (2440)-Zolnierowicz,K (2355) Katowice 1993}) 15... Qc7 $2 {[%emt 0:11:19]} (15... Bg4 $11) 16. Qd4 $1 $16 {[%emt 0:09:34]} Ne8 {[%emt 0:18:19]} (16... Be7 $16) 17. e5 $18 {[%emt 0:17:35]} Be7 {[%emt 0:00:20]} 18. Nd5 {[%emt 0:00:26]} Qd8 {[%emt 0:01:24]} 19. Nb6 {[%emt 0:08:06]} ({Resist} 19. Qxc4 $6 Be6 $16) (19. Rad1 $18) 19... Qxd4 {[%emt 0:00:35]} 20. Nxd4 {[%emt 0:00:21]} Rb8 {[%emt 0:00:20]} 21. Rac1 {[%emt 0:06:22]} Bd8 {[%emt 0:06:44]} 22. Nxc4 {[%emt 0:01:36] 0x0.000e62c4cf4ddp-1022s more active pieces.} Nc7 {[%emt 0:00:43]} 23. Nb6 {[%emt 0:05:00][%cal Oe5e6] Threatens to win with e6!} Bg4 {[%emt 0:00:59] Prevents e6.} 24. h3 {[%emt 0:01:55]} Nb5 {[%emt 0:05:11]} 25. Nc4 {[%emt 0:08:44]} Bd7 {[%emt 0:01:37]} 26. Rfd1 {[%emt 0:06:48]} Bg5 {[%emt 0:00:49]} 27. Rc2 {[%emt 0:01:28]} Rfd8 {[%emt 0:05:37]} 28. Nxb5 {[%emt 0:04:11]} (28. Re2 $5 {[%cal Re2e1]}) 28... Bf5 {[%emt 0:00:59] This bishop pair is nice.} 29. Rxd8+ {[%emt 0:01:20]} Rxd8 {[%emt 0:00:07]} 30. Nd4 {[%emt 0:03:25]} Bxc2 {[%emt 0:01:32]} 31. Nxc2 {[%emt 0:00:03] Strongly threatening Nd6.} Rd1+ {[%emt 0:00:07]} 32. Kh2 {[%emt 0:00:12]} b5 {[%emt 0:00:13]} 33. N4e3 {[%emt 0:01:14]} Rd2 {[%emt 0:00:07] ...Bxe3 is the strong threat.} 34. Bc3 {[%emt 0:04:47]} Rxf2 {[%emt 0:00:14]} 35. Kg3 {[%emt 0:00:28]} Rf4 {[%emt 0:03:08]} (35... Bxe3 $11 36. Nxe3 Ra2) 36. Bd2 {[%emt 0:02:04]} ({White should play} 36. Ne1 $1 $16 {[%cal Re1d3]}) 36... Re4 $11 {[%emt 0:02:38][%cal Bf4e4,Be4e5,Be5d5][%mdl 32]} 37. Kf3 {[%emt 0:00:27]} Rxe5 {[%emt 0:00:48] [#]} 38. Ng4 $1 {[%emt 0:00:23]} Rd5 {[%emt 0:00:38]} (38... Rf5+ 39. Ke4) 39. Bxg5 {[%emt 0:00:13]} Rxg5 {[%emt 0:00:03]} 40. Nce3 {[%emt 0:02:31]} h5 {[%emt 0:00:43]} 41. Kf4 {[%emt 0:00:00]} f6 {[%emt 0:00:29] [#]} (41... Rg6 $5 {[%cal Rh5g4]} 42. Ne5 Rf6+ 43. Ke4 Rf2 $11) 42. h4 $1 {[%emt 0:00:00] And now Nxf6+ would win.} Rxg4+ {[%emt 0:03:09]} 43. Nxg4 {[%emt 0:00:00]} hxg4 {[%emt 0:00:09]} 44. Kxg4 {[%emt 0:00:00][%mdl 4096] Endgame Intending Kf5 and mate. KP-KP} Kh7 $2 {[%emt 0:04:57][%mdl 8192]} (44... g6 $11) 45. Kf5 $1 {[%emt 0:00:00]} Kh6 {[%emt 0:00:26]} 46. g4 {[%emt 0:00:31]} Kh7 {[%emt 0:00:08]} 47. g5 {[%emt 0:01:16]} fxg5 {[%emt 0:00:14]} 48. hxg5 {[%emt 0:00:01] K3P-K3P} Kg8 {[%emt 0:02:17]} 49. Ke6 {[%emt 0:01:00]} Kf8 {[%emt 0:00:25]} 50. g6 {[%emt 0:01:08]} Ke8 {[%emt 0:00:09]} 51. Kd6 {[%emt 0:00:02]} Kd8 {[%emt 0:11:12] [#]} 52. Ke6 $2 {[%emt 0:00:20]} (52. Kc6 $1 {mates} Ke7 53. Kb7 Kf6 54. Kxa6 Kxg6 55. Kxb5 Kf5 56. Kc4 Ke5 57. a4) 52... Ke8 $1 {[%emt 0:00:00]} 53. Kd6 $2 {[%emt 0:00:16][%mdl 8192]} (53. Kd5 $11 Kd7 54. Kc5) 53... Kd8 {[%emt 0:00:00] [#]} 54. Kc6 $1 {[%emt 0:00:26] White mates.} Ke7 {[%emt 0:00:00]} 55. Kb6 {[%emt 0:00:10]} Kf6 {[%emt 0:00:00]} 56. Kxa6 {[%emt 0:00:04]} Kxg6 {[%emt 0:00:00]} 57. Kxb5 {[%emt 0:00:03]} Kf5 {[%emt 0:00:00]} 58. Kc4 {[%emt 0:00:43]} Kf4 {[%emt 0:00:00]} 59. Kd3 {[%emt 0:00:08] Weighted Error Value: White=0.22 (precise) /Black=0.27 (precise)} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.25"]
[White "Padilla Garcia, Cecilia Xasive"]
[Black "Corrales Jimenez, Zenia"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1834"]
[BlackElo "2151"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,57,109,73,117,125,112,97,141,136,141,148,135,86,139,97,197,197,221,191,191,103,195,157,279,270,655,626,1244,1233,29992,29993,29993,29990,29987,2932,29997,29996,29996,29997,29997,29998,29998,29999]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:03:08]} 2. Nc3 {[%emt 0:00:22]} Nc6 {[%emt 0:01:34]} 3. Bb5 {[%emt 0:00:08]} g6 {[%emt 0:04:28]} 4. Bxc6 {[%emt 0:00:41]} bxc6 {[%emt 0:01:01]} 5. d3 {[%emt 0:00:39]} Bg7 {[%emt 0:00:19]} 6. f4 {[%emt 0:01:00]} d6 {[%emt 0:04:43]} 7. Nf3 {[%emt 0:00:40]} e6 {[%emt 0:00:29]} 8. O-O {[%emt 0:03:05]} Ne7 {[%emt 0:00:05]} 9. Qe1 {[%emt 0:02:02]} Rb8 {[%emt 0:05:34] B23: Closed Sicilian: Lines without g3.} 10. b3 {[%emt 0:03:52]} O-O {[%emt 0:01:40]} 11. Bb2 {[%emt 0:03:22]} Ba6 {[%emt 0:11:02] White is better.} 12. Na4 {[%emt 0:10:09]} Bxb2 {[%emt 0:02:02]} 13. Nxb2 {[%emt 0:01:05] [#] Pair of Knights!} f6 $146 {[%emt 0:11:59]} ({Predecessor:} 13... d5 14. c4 Rb4 15. Qh4 f6 16. g4 Nc8 17. e5 f5 18. Qxd8 Rxd8 19. Ng5 Re8 20. gxf5 exf5 {½-½ (51) Ermis,M (1875)-Yilmaz,G (2172) Ankara 2017}) 14. Qg3 {[%emt 0:22:26]} (14. Qf2 $142) 14... Kg7 {[%emt 0:08:52]} ({Black should play} 14... Qd7) 15. h4 {[%emt 0:04:03]} d5 {[%emt 0:01:16]} (15... Kh8 $16 {was necessary.}) 16. c4 $18 {[%emt 0:05:48]} Qa5 {[%emt 0:07:55]} 17. Rfc1 {[%emt 0:08:37]} Rbd8 {[%emt 0:04:53]} 18. h5 {[%emt 0:02:46]} (18. Na4 $18) 18... Kf7 {[%emt 0:01:53]} (18... Kh8 $16 {is a better defense.}) 19. Qh3 {[%emt 0:15:02]} Rg8 {[%emt 0:16:17]} (19... Kg7 $16 20. Na4 (20. Qxe6 Qc7 $16) 20... Bc8) 20. e5 {[%emt 0:04:36]} g5 $2 {[%emt 0:03:20] [#]} (20... Nf5 21. g4 Nd4 22. Nxd4 cxd4 23. hxg6+ hxg6) 21. exf6 {[%emt 0:01:42]} g4 {[%emt 0:01:25]} 22. Ne5+ {[%emt 0:00:15]} Kxf6 {[%emt 0:00:04]} 23. Qh4+ {[%emt 0:00:42]} Kf5 {[%emt 0:01:18]} 24. Qxe7 {[%emt 0:00:19][%cal Re7f7]} Rdf8 {[%emt 0:00:30]} 25. g3 {[%emt 0:02:04]} (25. Nf7 $142 Qd8 26. Nxd8 Bc8 27. Nxc6 Bd7 28. Qxd7 Kxf4 29. Rf1+ Kg3 30. Qd6+ Kh4 31. g3+ Kh3 32. Rxf8) 25... Bc8 {[%emt 0:03:10]} 26. Nxc6 {[%emt 0:05:22] White mates.} Qd2 {[%emt 0:00:56] [#]} 27. Re1 $1 {[%emt 0:00:20][%csl Gc6,Gf4][%cal Re1e5]} Qxb2 {[%emt 0:01:49]} (27... Qc3 28. Re5+) 28. Re5+ {[%emt 0:00:04]} Qxe5 {[%emt 0:00:05]} 29. fxe5 {[%emt 0:01:14] Weighted Error Value: White=0.18 (very precise) /Black=1.07} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.26"]
[White "Ruiz Villalba, Andrea"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1831"]
[BlackElo "2019"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,118,0,50,50,51,36,76,77,179,187,169,172,168,160,186,188,195,185,208,142,264,255,252,254,266,204,227,219,343,156,151,158,172,171,183,175,189,195,194,187,199,163,165,170,176,163,169,120,121,128,136,135,150,132,169,123,110,0,79,79,77,58,83,-27,-27,-442,-417,-416,-416,-559,-559,-704,-352,-760,-340,-2019,-1567,-903,-873,-2454,-1943,-12250,-10313,-29963,-29964,-29964,-29965,-29965,-29967,-29966,-29967,-29972,-29965,-29977,-29978,-29980,-29981,-29981,-29981,-29981,-29982,-29983,-29983,-29985,-29986,-29986,-29985]} 1. e4 {[%emt 0:05:30]} e6 {[%emt 0:01:51]} 2. d4 {[%emt 0:00:29]} c5 {[%emt 0:00:12]} 3. c3 {[%emt 0:00:47]} d5 {[%emt 0:02:53]} 4. e5 {[%emt 0:00:15]} Nc6 {[%emt 0:00:36]} 5. Nf3 {[%emt 0:00:19]} Qb6 {[%emt 0:00:56]} 6. a3 {[%emt 0:01:15]} f6 {[%emt 0:07:27]} 7. Bd3 {[%emt 0:03:06]} Bd7 {[%emt 0:02:16]} (7... fxe5 $11 8. Nxe5 Nf6) 8. O-O $14 {[%emt 0:02:42] The main line 8.0-0 scores better than 8.b4. C02: French: Advance Variation.} c4 {[%emt 0:04:02]} 9. Bc2 {[%emt 0:00:34]} Be7 {[%emt 0:00:10] [#]} 10. Nbd2 $146 {[%emt 0:26:43][%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32] White is better.} ({Predecessor:} 10. Re1 fxe5 11. dxe5 Bc5 12. Re2 Nge7 13. Nbd2 O-O-O 14. b4 cxb3 15. Nxb3 a6 16. Rb1 {1-0 (37) Nunez,P (1496)-Miranda Fernandez,M (1144) Asuncion 2019}) 10... Nh6 {[%emt 0:07:56]} (10... fxe5 $16 11. Nxe5 Nxe5 12. dxe5 O-O-O) 11. exf6 $18 {[%emt 0:08:21]} Bxf6 {[%emt 0:00:47]} 12. b3 {[%emt 0:00:19]} cxb3 {[%emt 0:05:46]} 13. Nxb3 {[%emt 0:00:07] Black must now prevent Nc5.} Nf7 {[%emt 0:06:57]} 14. Nc5 {[%emt 0:05:01] aiming for Rb1.} Qc7 {[%emt 0:04:07]} 15. Re1 {[%emt 0:02:29]} Ncd8 {[%emt 0:01:33]} 16. Ba4 {[%emt 0:23:34]} b5 {[%emt 0:00:40]} (16... Bxa4 $16 17. Qxa4+ Qc6) 17. Bb3 {[%emt 0:01:16]} O-O {[%emt 0:00:59] [#]} 18. Bf4 $1 {[%emt 0:00:16][%mdl 512]} Qc8 {[%emt 0:05:20]} (18... Qxf4 19. Nxd7) 19. a4 {[%emt 0:04:57]} bxa4 {[%emt 0:06:54]} 20. Bxa4 {[%emt 0:00:01]} Nc6 {[%emt 0:03:46]} (20... Be8 {was worth a try.} 21. Bxe8 Rxe8) 21. Bxc6 {[%emt 0:02:56]} (21. c4 $18 {is more deadly.}) 21... Qxc6 $16 {[%emt 0:00:38]} 22. Ra6 {[%emt 0:00:02]} Qc8 {[%emt 0:00:27]} 23. Qa1 {[%emt 0:00:22]} Nd8 {[%emt 0:04:15]} 24. Bd6 {[%emt 0:01:37]} Rf7 {[%emt 0:02:40]} 25. Rxa7 {[%emt 0:00:09]} Rxa7 {[%emt 0:00:12]} 26. Qxa7 {[%emt 0:00:01]} Bc6 {[%emt 0:09:14]} 27. Qb8 {[%emt 0:02:27]} Qxb8 {[%emt 0:00:07]} 28. Bxb8 {[%emt 0:00:02]} Re7 {[%emt 0:02:18]} 29. Bd6 {[%emt 0:00:58]} Ra7 {[%emt 0:04:46]} 30. Nxe6 {[%emt 0:00:54]} (30. h4 $18) 30... Nxe6 {[%emt 0:02:20]} 31. Rxe6 {[%emt 0:00:03]} Bd7 {[%emt 0:00:08]} 32. Re1 {[%emt 0:03:20]} Bf5 {[%emt 0:00:37]} 33. Bb4 {[%emt 0:05:04]} Ra2 {[%emt 0:00:38]} 34. h3 {[%emt 0:00:21]} (34. Be7 $18) 34... Be4 {[%emt 0:00:08]} 35. Nh2 {[%emt 0:00:39]} (35. Ne5 $16) 35... Bg5 {[%emt 0:00:31]} (35... Bh4 $1 $11 36. g3 Bxg3 37. fxg3 Rg2+ 38. Kf1 Rxh2) 36. Ng4 {[%emt 0:00:41]} h5 {[%emt 0:01:38]} 37. Ne3 {[%emt 0:00:21]} Rb2 {[%emt 0:00:27] [#]} 38. f3 {[%emt 0:00:35]} (38. Nc4 $1 $16 Ra2 39. Ne5) 38... Rb1 $11 {[%emt 0:00:30][%mdl 64] Deflection} 39. Rxb1 $4 {[%emt 0:00:36][%mdl 8192] White does not recover from this.} ({Don't blunder} 39. Nd1 $2 {[#]} Bh4 $1 40. Rf1 Bd3 $19) (39. Kf2 $1 $11 {and White is okay.} Bh4+ 40. g3 Rb2+ 41. Kg1 Bxg3 42. fxe4 Bxe1 43. Nxd5) 39... Bxe3+ $19 {[%emt 0:00:02]} 40. Kf1 {[%emt 0:00:14]} Bxb1 {[%emt 0:00:12][%mdl 4096] Endgame} 41. Ke2 {[%emt 0:00:08]} Bf4 {[%emt 0:00:13]} 42. g4 {[%emt 0:00:02]} hxg4 {[%emt 0:01:33]} 43. fxg4 {[%emt 0:00:04]} (43. hxg4 Kf7 44. Bc5) 43... Be4 {[%emt 0:00:11]} 44. Be7 $2 {[%emt 0:01:51]} (44. h4) 44... Kf7 {[%emt 0:00:09]} 45. Bd8 {[%emt 0:00:28]} Ke8 {[%emt 0:00:44]} 46. Ba5 {[%emt 0:00:51]} g5 {[%emt 0:00:43] ...Bg2 is the strong threat.} 47. Kf2 {[%emt 0:00:11] Against Bg2} Kd7 {[%emt 0:00:15]} 48. Bb6 {[%emt 0:00:38]} Kc6 {[%emt 0:00:36] Black mates.} 49. Bd8 {[%emt 0:00:02]} Kb5 {[%emt 0:00:09]} 50. h4 {[%emt 0:01:04]} gxh4 {[%emt 0:00:08]} 51. Bxh4 {[%emt 0:00:03]} Kc4 {[%emt 0:00:07]} 52. Bf6 {[%emt 0:00:42]} Kxc3 {[%emt 0:00:09]} 53. g5 {[%emt 0:00:05]} Kd3 {[%emt 0:00:08]} 54. Be7 {[%emt 0:01:22]} Kxd4 {[%emt 0:00:23]} 55. Bf6+ {[%emt 0:00:29]} Kd3 {[%emt 0:00:08]} 56. Be7 {[%emt 0:00:13]} Be5 {[%emt 0:00:50]} 57. Bd8 {[%emt 0:00:34]} d4 {[%emt 0:00:27][%cal Bd5d4,Bd4d3][%mdl 32]} 58. Ke1 {[%emt 0:00:49]} Kc2 {[%emt 0:00:15]} 59. Bb6 {[%emt 0:00:28]} d3 {[%emt 0:00:16] Weighted Error Value: White=0.73/Black=0.21 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.14"]
[Round "3.27"]
[White "Ortega Beltran, Ximena"]
[Black "Martinez de La Trinidad, Alexandra"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1725"]
[BlackElo "1843"]
[Annotator "NA RC"]
[PlyCount "54"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:29]} e5 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:06]} Bc5 {[%emt 0:00:03]} 4. Nc3 {[%emt 0:00:16]} O-O {[%emt 0:00:08]} 5. Nf3 {[%emt 0:03:16]} e4 {[%emt 0:00:22]} 6. Ng5 {[%emt 0:00:09]} Bxf2+ {[%emt 0:00:15]} 7. Kxf2 {[%emt 0:00:07]} Ng4+ {[%emt 0:00:03]} 8. Kg1 {[%emt 0:00:15]} Qxg5 {[%emt 0:00:07]} 9. Nxe4 {[%emt 0:00:07]} Qe7 {[%emt 0:00:10]} 10. h3 {[%emt 0:00:26]} Ne5 {[%emt 0:00:20]} 11. d4 {[%emt 0:14:04]} Nxc4 {[%emt 0:00:30]} 12. Qd3 {[%emt 0:00:13]} Nd6 {[%emt 0:02:27]} 13. Ng5 {[%emt 0:01:39]} f5 {[%emt 0:04:39]} 14. Bd5+ {[%emt 0:05:06]} Kh8 {[%emt 0:00:07]} 15. Qf3 {[%emt 0:02:36]} c6 {[%emt 0:00:42]} 16. Bb3 {[%emt 0:02:33]} Ne4 {[%emt 0:00:50]} 17. Nxh7 {[%emt 0:01:33]} Rd8 {[%emt 0:03:23]} 18. Nf8 {[%emt 0:03:10]} Qe8 {[%emt 0:06:30]} 19. Qxf5 {[%emt 0:02:27]} g6 {[%emt 0:03:00]} 20. Nxg6+ {[%emt 0:05:11]} Kg7 {[%emt 0:00:07]} 21. Bh6+ {[%emt 0:01:16]} Kxh6 {[%emt 0:00:49]} 22. Bf7 {[%emt 0:00:09]} Nxg3 {[%emt 0:02:35]} 23. Qf4+ {[%emt 0:01:40]} Kg7 {[%emt 0:00:05]} 24. Qxg3 {[%emt 0:00:32]} Qe4 {[%emt 0:16:11]} 25. Rf1 {[%emt 0:05:58]} d5 {[%emt 0:02:20]} 26. Ne5+ {[%emt 0:01:18]} Kh8 {[%emt 0:02:53]} 27. Rf4 {[%emt 0:01:15]} Kh7 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.1"]
[White "Cori Quispe, Kevin Joel"]
[Black "Cordova, Emilio"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2492"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,50,0,0,0,0,0,0,6,-3,6,0,0,0,0,0,0,0,0,-4,0,-15,0,-7,0,0,0,0,0,-7,0]} 1. e4 {[%emt 0:00:56]} e6 {[%emt 0:00:37]} 2. d4 {[%emt 0:00:30]} d5 {[%emt 0:00:35]} 3. exd5 {[%emt 0:01:03]} exd5 {[%emt 0:00:08]} 4. Bd3 {[%emt 0:00:06]} Bd6 {[%emt 0:02:09]} 5. Ne2 {[%emt 0:01:31]} Ne7 {[%emt 0:02:41]} 6. O-O {[%emt 0:05:00]} O-O {[%emt 0:02:22]} 7. Bf4 {[%emt 0:01:47]} Bf5 {[%emt 0:04:01]} 8. c3 {[%emt 0:00:48]} c6 {[%emt 0:04:20]} 9. Bxd6 {[%emt 0:03:19]} Qxd6 {[%emt 0:00:43]} 10. Ng3 {[%emt 0:01:20]} Bxd3 {[%emt 0:00:24]} 11. Qxd3 {[%emt 0:00:06]} Nd7 {[%emt 0:00:07]} 12. Nd2 {[%emt 0:01:14] The position is equal.} Qg6 {[%emt 0:00:06] C01: French: Exchange Variation.} 13. Qxg6 {[%emt 0:00:53]} hxg6 {[%emt 0:00:05]} 14. Rfe1 {[%emt 0:00:34]} Rae8 {[%emt 0:00:06]} 15. Kf1 {[%emt 0:00:50][%cal Bg1f1,Bf1e1,Be1e2][%mdl 32]} Nc8 {[%emt 0:00:05]} 16. Rxe8 {[%emt 0:00:50]} Rxe8 {[%emt 0:00:05]} 17. Re1 {[%emt 0:00:13] [#]} Rxe1+ $146 {[%emt 0:00:08]} ({Predecessor:} 17... Nf6 18. Rxe8+ Nxe8 19. Ke2 {½-½ (19) Froehlich,P (2375)-Appleberry,M (2262) Budapest 2000}) 18. Kxe1 $11 {[%mdl 4096] Endgame KNN-KNN} Nd6 {[%emt 0:00:30]} 19. Ke2 Kf8 {[%emt 0:00:30]} 20. Ke1 Ke7 {[%emt 0:00:30]} 21. Ke2 Ke8 {[%emt 0:00:30]} 22. Kd1 Kd8 {[%emt 0:00:30]} 23. b3 b6 {[%emt 0:00:30]} 24. Ke2 Ke7 {[%emt 0:00:30]} 25. Kd1 Kd8 {[%emt 0:00:30] A rather calm draw.  Weighted Error Value: White=0.04 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.2"]
[White "Salinas Herrera, Pablo"]
[Black "Ibarra Chami, Luis Fernando"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2517"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,47,17,15,11,21,20,21,22,25,18,32,21,26,21,56,53,62,66,90,82,92,52,77,64,128,104,100,108,134,125,198,196,269,279,264,262,253,268,268,243]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:03:04]} 2. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:00:13]} 3. Bb5+ {[%emt 0:00:05]} Nd7 {[%emt 0:00:44]} 4. a4 {[%emt 0:00:10]} Ngf6 {[%emt 0:02:47]} 5. Nc3 {[%emt 0:00:07]} e6 {[%emt 0:01:30]} 6. d4 {[%emt 0:02:50] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} cxd4 {[%emt 0:01:37]} 7. Qxd4 {[%emt 0:00:12]} Be7 {[%emt 0:07:00]} 8. O-O {[%emt 0:00:18] The position is equal.} O-O {[%emt 0:01:21]} 9. Rd1 {[%emt 0:08:50]} a6 {[%emt 0:04:17] [#] ...e5 is the strong threat.} 10. Be2 {[%emt 0:01:19]} Qc7 {[%emt 0:10:13]} 11. a5 {[%emt 0:01:13] [#]} e5 $146 {[%emt 0:09:29]} ({Predecessor:} 11... Rd8 12. Be3 Ng4 13. Bg5 Ngf6 14. Qc4 Qxc4 15. Bxc4 b5 16. axb6 Nxb6 17. Be2 Bb7 {0-1 (62) Deac,B (2627)-Aronian,L (2781) Bucharest 2021}) 12. Qc4 {[%emt 0:14:17]} Qb8 {[%emt 0:04:44]} 13. Be3 {[%emt 0:01:36]} b5 {[%emt 0:05:31]} 14. axb6 $1 {[%emt 0:00:46]} Nxb6 {[%emt 0:00:07]} 15. Qb4 {[%emt 0:04:34]} Nbd7 {[%emt 0:00:38]} 16. Qxb8 {[%emt 0:00:20] &Bianco is much more active. The black rooks are badly placed.} Nxb8 {[%emt 0:02:55]} (16... Rxb8 $14 17. Rdb1 (17. Bxa6 Bxa6 18. Rxa6 Rxb2 $11) 17... Bb7) 17. Nd2 {[%emt 0:00:27]} Nc6 {[%emt 0:01:21]} 18. Nc4 $36 {[%emt 0:28:48][%mdl 2048] White has strong initiative.} Nb4 {[%emt 0:06:38]} 19. Rac1 {[%emt 0:00:56]} ({Much weaker is} 19. Nxd6 $6 Nxc2 20. Nxc8 Rfxc8 $11) 19... Ne8 {[%emt 0:12:14]} (19... Ng4 $16 {was necessary.}) 20. Na4 $18 {[%emt 0:04:09][%cal Bc3a4,Ba4b6,Bb6d5][%mdl 32]} Bb7 {[%emt 0:01:08]} (20... Rb8 {was called for.} 21. Nab6 Be6) 21. c3 {[%emt 0:00:57] White has a decisive advantage.} Nc6 {[%emt 0:00:16]} 22. Nab6 {[%emt 0:00:20]} Rd8 {[%emt 0:00:15]} 23. Nd5 {[%emt 0:00:29]} h6 {[%emt 0:10:27] [#]} 24. Nxe5 $1 {[%emt 0:02:31][%mdl 512] Weighted Error Value: White=0.04 (flawless) /Black=0.16 (very precise)} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.3"]
[White "Sandoval Mercado, Carlos"]
[Black "Cori, Jorge"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2289"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,74,15,17,34,37,37,36,31,27,35,16,33,18,14,12,12,-11,0,-8,8,7,8,4,7,7,7,7,8,7,7,0,0,0,0,0,0,0,0,-25,-27,-20,-20,-56,-59,-83,-27,-145,-145,-145,-145,-145,-152,-152,-152,-197,-152,-207,-129,-389,-387,-358,-352,-29994,-29995]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:33]} b6 {[%emt 0:00:05]} 3. Nf3 {[%emt 0:01:17]} Bb7 {[%emt 0:00:05]} 4. g3 {[%emt 0:00:58]} g6 {[%emt 0:00:10]} 5. Bg2 {[%emt 0:01:54]} Bg7 {[%emt 0:00:06]} 6. O-O {[%emt 0:00:06]} O-O {[%emt 0:00:04]} 7. d5 {[%emt 0:00:49] 7.Re1 is a critical line.} Na6 {[%emt 0:07:58] A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6).} 8. Nc3 {[%emt 0:05:27]} Nc5 {[%emt 0:00:45] Prevents e4.} 9. Nd4 {[%emt 0:03:53]} a5 {[%emt 0:10:34] White is slightly better.} 10. e4 {[%emt 0:02:46]} e5 {[%emt 0:04:11] [#]} 11. Nde2 $146 {[%emt 0:19:00]} ({Predecessor:} 11. Nc2 d6 12. b3 Bc8 13. Rb1 Bd7 14. a3 a4 15. b4 Nb3 16. Bb2 h5 17. h4 {0-1 (38) Vidit,S (2707)-Rapport,R (2736) Hengshui 2019}) 11... d6 {[%emt 0:04:21]} (11... c6 {feels hotter.} 12. Bg5 Ba6 13. b3 b5) 12. b3 {[%emt 0:01:29]} Bc8 {[%emt 0:07:59]} 13. Rb1 {[%emt 0:12:11]} Bd7 {[%emt 0:03:37]} 14. h3 {[%emt 0:06:20]} Ne8 {[%emt 0:01:11]} 15. a3 {[%emt 0:03:28][%cal Ba2a3,Ba3b4][%mdl 32]} f5 {[%emt 0:00:27]} 16. b4 {[%emt 0:02:07]} axb4 {[%emt 0:01:00]} 17. axb4 {[%emt 0:00:01]} Nxe4 {[%emt 0:01:04]} 18. Nxe4 {[%emt 0:00:06]} fxe4 {[%emt 0:00:03]} 19. Nc3 {[%emt 0:03:47]} Nf6 {[%emt 0:01:17]} 20. Bg5 {[%emt 0:01:13]} Qc8 {[%emt 0:03:58][%cal Oe4e3]} 21. Kh2 {[%emt 0:03:43]} Bf5 {[%emt 0:12:36][%cal Oe4e3,Bd7f5,Bf5d3,Bd3c4][%mdl 32]} 22. Ra1 {[%emt 0:01:40]} Rxa1 {[%emt 0:00:58]} 23. Qxa1 {[%emt 0:00:02]} e3 {[%emt 0:00:05]} 24. Bxe3 {[%emt 0:08:09]} Bd3 $1 {[%emt 0:00:12][%csl LRc4,LRf1]} 25. Rc1 {[%emt 0:00:02]} (25. Rd1 $5 {[%cal Rd1d3]} Bxc4 26. b5 $11) 25... Bxc4 {[%emt 0:02:05]} 26. Ne4 {[%emt 0:12:00]} b5 {[%emt 0:01:49]} 27. Nxf6+ {[%emt 0:00:06]} Bxf6 {[%emt 0:00:06]} 28. Qa7 {[%emt 0:00:34]} Rf7 {[%emt 0:09:27]} (28... e4 $17) 29. Ra1 {[%emt 0:03:46]} (29. h4 $11 {remains equal.}) 29... e4 $1 $17 {[%emt 0:01:11]} 30. Bxe4 {[%emt 0:00:03]} Bxa1 {[%emt 0:02:57]} 31. Qxa1 {[%emt 0:00:03]} Qe8 {[%emt 0:01:24]} 32. Bg2 {[%emt 0:00:01]} h5 {[%emt 0:00:59][%cal Oh5h4]} 33. Bd4 {[%emt 0:03:36]} Kh7 {[%emt 0:00:33]} 34. Qc1 {[%emt 0:02:25]} (34. h4 $17) 34... Bd3 {[%emt 0:04:24] aiming for ...Qe7.} 35. Ba1 $2 {[%emt 0:03:09][%mdl 8192]} (35. Qa3 $17 {was called for.} Bc4 36. h4) 35... Rxf2 $19 {[%emt 0:01:16] White must now prevent ...Rc2.} 36. Qxc7+ {[%emt 0:00:08]} (36. Qc3 {[#] is a self mate.} Rxg2+ $1 {[%mdl 512]} 37. Kh1 Rh2+ $3 {[%mdl 512]} 38. Kxh2 Qe2+ 39. Kg1 Qf1+ 40. Kh2 Qf2+ 41. Kh1 Be4+) 36... Qf7 {[%emt 0:00:07]} 37. Qb6 {[%emt 0:01:25]} (37. Qxf7+ $19 Rxf7 38. Kg1) 37... Be4 {[%emt 0:19:49] Weighted Error Value: White=0.37/Black=0.08 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.4"]
[White "Morales Garcia, Sergio Joshafatt"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "2246"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,103,2,40,39,45,41,55,30,36,25,29,15,14,14,15,14,25,25,34,25,57,28,28,30,78,28,30,16,44,24,16,19,13,26,31,0,0,0,12,0,36,-17,0,-7,0,-10,-20,-29,0,0,0,0,0,0,0,-12,0,0,0,0,0,0,0,0,4,8,8,8,17,0,16,0,0,0,0,-8,-8,-16,-18,-20,-17,-24,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:03]} 2. c4 {[%emt 0:00:09]} e6 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:00:11]} d5 {[%emt 0:00:05]} 4. Nc3 {[%emt 0:00:26]} dxc4 {[%emt 0:01:39]} 5. e4 {[%emt 0:00:30][%cal Be2e4,Be4e5][%mdl 32]} b5 {[%emt 0:00:10]} (5... Bb4 $5 {[%cal Rf6e4]}) 6. e5 {[%emt 0:00:14] D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} Nd5 {[%emt 0:00:04]} 7. Nxb5 {[%emt 0:00:26]} Nb6 {[%emt 0:00:03]} 8. Be3 {[%emt 0:01:54] White is slightly better.} Nc6 {[%emt 0:02:40]} 9. Nc3 {[%emt 0:01:55]} Bb7 {[%emt 0:01:31]} 10. a3 {[%emt 0:02:00]} Be7 {[%emt 0:01:58]} 11. Be2 {[%emt 0:00:21]} O-O {[%emt 0:07:46]} 12. O-O {[%emt 0:03:14]} Na5 {[%emt 0:07:23]} 13. Qc2 {[%emt 0:01:57] [#]} Rc8 $146 {[%emt 0:04:07]} ({Predecessor:} 13... Nd5 14. Rad1 Nxe3 15. fxe3 c5 16. d5 exd5 17. Nxd5 Bxd5 18. e4 Bxe4 19. Qxe4 Qc8 20. Bxc4 Nxc4 21. Qxc4 {½-½ (48) Keymer,V (2491)-Kovalev,V (2664) Douglas 2018}) 14. Rad1 {[%emt 0:08:48]} h6 {[%emt 0:10:43]} 15. Rfe1 {[%emt 0:07:51]} Qe8 {[%emt 0:04:46]} 16. Nd2 {[%emt 0:09:01]} c5 {[%emt 0:13:27] [#]} (16... Rb8 $11) 17. Nde4 {[%emt 0:10:20]} ({White should play} 17. dxc5 $1 $16 Bxc5 18. Bxc5 Rxc5 19. f4) 17... cxd4 $11 {[%emt 0:01:07]} 18. Bxd4 {[%emt 0:02:53][%cal Oe4f6]} Bxe4 {[%emt 0:02:28]} 19. Qxe4 {[%emt 0:03:28]} (19. Nxe4 $5 {[%cal Re4f6]} Qa4 20. Qc3 $14) 19... Bc5 {[%emt 0:02:36]} 20. Qe3 {[%emt 0:09:25]} Nb3 {[%emt 0:06:12]} 21. Bxc5 {[%emt 0:00:21]} Rxc5 {[%emt 0:00:06]} 22. Rd6 {[%emt 0:08:56]} (22. Qg3 $5 {[%cal Rc3e4]}) 22... Nc8 {[%emt 0:08:05] Pair of Knights!} ({Don't do} 22... Nd5 23. Nxd5 exd5 24. Bd1 $16) 23. Rdd1 {[%emt 0:18:09]} Ne7 {[%emt 0:00:07]} 24. f4 {[%emt 0:02:12]} Rc7 {[%emt 0:00:22]} 25. Bf3 {[%emt 0:01:08]} (25. Qf2 $14) 25... Nc5 {[%emt 0:01:09] White should prevent ...Nf5.} 26. Be4 {[%emt 0:01:09]} Qb8 {[%emt 0:05:03]} 27. Re2 {[%emt 0:00:50]} Nxe4 {[%emt 0:01:41]} 28. Nxe4 {[%emt 0:02:40]} Rd8 {[%emt 0:02:16]} (28... Nd5 {keeps more tension.} 29. Qg3 c3 30. bxc3 Qb3) 29. Rxd8+ {[%emt 0:00:48]} Qxd8 {[%emt 0:00:07]} 30. Rd2 {[%emt 0:00:28]} Qb8 {[%emt 0:01:32]} 31. h3 {[%emt 0:02:01]} Nd5 {[%emt 0:02:11]} 32. Qg3 {[%emt 0:01:04]} Qb6+ {[%emt 0:00:14]} 33. Kh2 {[%emt 0:00:15]} Kh7 {[%emt 0:00:09]} 34. Nc3 {[%emt 0:01:06]} Ne3 {[%emt 0:00:34] [#] ( -> ...Nf1+)} 35. Qf3 {[%emt 0:00:24] Prevents Nf1+. Rd6 is the strong threat.} Nf5 {[%emt 0:00:18] Against Rd6} 36. Qe4 {[%emt 0:00:33]} Qe3 {[%emt 0:05:14]} 37. Qxe3 {[%emt 0:00:22] Active counter play!} Nxe3 {[%emt 0:00:08][%mdl 4096] Endgame KRN-KRN} 38. Kg1 {[%emt 0:00:20] Inhibits Nf1.} Nf5 {[%emt 0:00:32][%cal Be3f5,Bf5e7,Be7c6,Bc6e5][%mdl 32]} 39. Kf2 {[%emt 0:00:40]} Rb7 {[%emt 0:01:45]} 40. g4 {[%emt 0:00:21]} Ne7 {[%emt 0:00:04]} 41. Ke3 {[%emt 0:00:10]} g5 {[%emt 0:00:05]} 42. fxg5 {[%emt 0:00:59]} hxg5 {[%emt 0:00:14]} 43. Rf2 {[%emt 0:00:50]} Nc6 {[%emt 0:01:23]} (43... Ng6 $5 {[%cal Rg6e5]}) 44. Ne4 {[%emt 0:00:48]} Rb3+ {[%emt 0:00:11]} 45. Nc3 {[%emt 0:00:25]} Nxe5 {[%emt 0:02:27] Strongly threatening ...Kg6.} 46. Kd4 {[%emt 0:00:13] The position is equal.} Nc6+ {[%emt 0:01:23]} 47. Kc5 {[%emt 0:00:40]} Ne5 {[%emt 0:01:39]} 48. Kd4 {[%emt 0:00:08]} Nc6+ {[%emt 0:04:04]} 49. Kc5 $1 {[%emt 0:00:05]} Ne5 {[%emt 0:00:24]} 50. Kd4 {[%emt 0:00:03]} Nc6+ {[%emt 0:00:05]} 51. Kc5 {[%emt 0:00:04]} Ne5 {[%emt 0:00:04]} 52. Kd4 {[%emt 0:03:13] Weighted Error Value: White=0.07 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.5"]
[White "Hernandez Guerrero, Gilberto"]
[Black "Figueredo Losada, Leonel"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2564"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,62,36,27,37,17,41,32,32,16,19,-5,-30,0,-12,-20,-20,-55,-30,-38,-37,-83,-36,-80,-74,-92,-46,-85,-31,-39,-16,-14,-25,-33,-33,-33,-21,-36,-30,-43,-13,-97,0,0,0,0,0,0,0,0,18,0,118]} 1. e4 {[%emt 0:00:10]} e5 {[%emt 0:00:42]} 2. Nf3 {[%emt 0:00:16]} Nc6 {[%emt 0:00:04]} 3. Bb5 {[%emt 0:00:25]} f5 {[%emt 0:03:02]} 4. d3 {[%emt 0:03:56]} fxe4 {[%emt 0:00:13]} 5. dxe4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:04]} 6. O-O {[%emt 0:03:52]} d6 {[%emt 0:00:13]} 7. Nc3 {[%emt 0:02:27]} a6 {[%emt 0:02:07] C63: Ruy Lopez: Schliemann/Jaenisch Defence.} 8. Ba4 {[%emt 0:04:16]} b5 {[%emt 0:04:11]} 9. Bb3 {[%emt 0:00:07] Black must now prevent Ng5.} Na5 {[%emt 0:00:03] White is slightly better.} 10. Bg5 {[%emt 0:03:45] [#]} c6 $146 {[%emt 0:07:55]} ({Predecessor:} 10... Be7 11. Nd5 Nxb3 12. axb3 Bb7 13. Bxf6 Bxf6 14. c4 O-O 15. Qd3 c6 16. Ne3 Rf7 {1-0 (35) Narva,M (2252)-Garanin,A (1902) Viljandi 2015}) 11. Nh4 {[%emt 0:12:11]} Nxb3 {[%emt 0:00:15]} 12. axb3 {[%emt 0:00:19]} Be7 {[%emt 0:04:26]} 13. Qd3 {[%emt 0:04:24]} O-O {[%emt 0:00:31]} 14. Rad1 {[%emt 0:00:30]} Bg4 {[%emt 0:15:49]} 15. f3 {[%emt 0:00:57]} Be6 {[%emt 0:00:05]} 16. g3 {[%emt 0:05:11]} (16. Ne2 $15) 16... Qe8 {[%emt 0:05:25]} (16... Bh3 $17 17. Ng2 Qd7) 17. Ng2 {[%emt 0:08:15]} Qh5 {[%emt 0:08:44]} 18. h4 {[%emt 0:00:48]} b4 {[%emt 0:09:50]} (18... h6 $17 19. g4 Qg6 20. Bxf6 Rxf6) 19. Na4 {[%emt 0:02:37]} d5 {[%emt 0:02:59]} (19... h6 $17 20. Bxf6 Rxf6) 20. exd5 $1 $15 {[%emt 0:01:02]} cxd5 {[%emt 0:00:07]} 21. Qe3 {[%emt 0:02:46]} Bd6 {[%emt 0:06:34]} 22. Nf4 {[%emt 0:02:05] Pair of Knights!} Qf7 {[%emt 0:01:27]} 23. Nxe6 {[%emt 0:06:10]} Qxe6 {[%emt 0:00:04]} 24. Bxf6 {[%emt 0:04:53]} Rxf6 {[%emt 0:00:05]} 25. Qd3 {[%emt 0:04:15]} (25. Nb6 $2 Qh3 $1 {[%mdl 512]} 26. Rd2 (26. Nxa8 {gets mated.} Qxg3+ 27. Kh1 Qxh4+ 28. Kg2 Rg6+) 26... Rg6 $1 $19 {[%mdl 512]}) 25... e4 {[%emt 0:03:41]} (25... d4 $5 {[%cal Re6h3]} 26. Kg2 Rg6 $15) 26. fxe4 {[%emt 0:09:25]} (26. Qxd5 $11 Qxd5 27. Rxd5) 26... Rg6 {[%emt 0:24:54]} ({Black should try} 26... Rxf1+ $17 27. Rxf1 dxe4) 27. Qxd5 $11 {[%emt 0:18:51] The position is equal.} ({Not} 27. exd5 $2 Qh3 28. Rf3 Bxg3 29. Qxg6 hxg6 $19) 27... Rxg3+ {[%emt 0:00:30]} 28. Kf2 {[%emt 0:00:30]} Rf8+ 29. Ke2 {[%emt 0:00:30]} Rg2+ {[%emt 0:01:00]} 30. Ke3 {[%emt 0:00:30]} Rg3+ {[%emt 0:00:30]} (30... Re8 $5) 31. Ke2 {[%emt 0:00:30] The board is on fire.} Rg6 {Weighted Error Value: White=0.16 (very precise) /Black=0.18 (very precise)} (31... Rg2+ $11 32. Ke3 {[#]} Re8 $1) 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.6"]
[White "Gonzalez Zamora, Juan Carlos"]
[Black "Diaz Rosas, Julio Cesar"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2544"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,95,0,0,0,0,0,0,0,48,73,81,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-47,40,32,89,83,100,98,112,33,27,18,10,34,186,23,24,18,14,0,7,0,94,102,843,841,823,802,744,557,573,559,572,548,554,516,542,487,495,489,601,539,570,518,897,861,2110,1766,1472,1336,1825,967,1205,1149,2104,1687,1666,1568,1121,854]} 1. Nf3 {[%emt 1:31:00]} Nf6 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:22]} 3. b4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:15]} 4. Bb2 {[%emt 0:00:00]} O-O {[%emt 0:00:09]} 5. e3 {[%emt 0:00:00]} d6 {[%emt 0:12:19]} 6. Be2 {[%emt 0:00:00]} e5 {[%emt 0:00:08]} 7. d4 {[%emt 0:00:00]} exd4 {[%emt 0:02:36]} 8. Nxd4 {[%emt 0:00:00] E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} c5 {[%emt 0:12:44]} 9. Nb5 {[%emt 0:00:00]} Nc6 {[%emt 0:01:19]} 10. a3 {[%emt 0:00:00] [#] The position is equal.} Ne4 $146 {[%emt 0:06:08]} (10... cxb4 $11 11. axb4 d5) ({Predecessor:} 10... cxb4 11. Qxd6 a6 12. Qxd8 Rxd8 13. Nd4 Ne4 14. f3 Nxd4 15. exd4 Nc5 16. axb4 Nb3 {0-1 (25) Sitnic,A (2225)-Burovic,R (2302) Sarajevo 2017}) 11. Bxg7 $14 {[%emt 0:00:00]} Kxg7 {[%emt 0:00:04]} 12. Nd2 {[%emt 0:00:00]} (12. O-O $16) 12... Nxf2 $11 {[%emt 0:02:15]} 13. Kxf2 {[%emt 0:00:00]} a6 {[%emt 0:00:08]} 14. Nf3 {[%emt 0:00:00]} axb5 {[%emt 0:01:28]} 15. cxb5 {[%emt 0:00:00]} Ne7 {[%emt 0:10:21]} 16. bxc5 {[%emt 0:00:00]} dxc5 {[%emt 0:00:42]} 17. Qc1 {[%emt 0:00:00]} b6 {[%emt 0:02:21]} 18. Rd1 {[%emt 0:00:00]} Qc7 $1 {[%emt 0:00:18]} 19. Qc3+ {[%emt 0:00:00]} (19. a4 $11) 19... Kg8 {[%emt 0:02:11]} (19... f6 $15) 20. Qe5 $36 {[%emt 0:00:00][%mdl 2048] White has some pressure.} Qb7 {[%emt 0:07:10]} (20... Ra7 $14) 21. Nd2 $16 {[%emt 0:00:00] Hoping for Bf3. &Bianco is much more active.} f6 {[%emt 0:05:33]} 22. Qd6 {[%emt 0:00:00] aiming for Bf3.} Nf5 {[%emt 0:04:25] [#]} 23. Qf4 {[%emt 0:00:00]} (23. Qc6 $1 $16 {[%cal Rc6b7]}) 23... Qe7 $14 {[%emt 0:05:50]} 24. a4 {[%emt 0:00:00]} Be6 $1 {[%emt 0:06:25]} 25. Nc4 {[%emt 0:12:00]} Rae8 $2 {[%emt 0:04:02]} ({Black should play} 25... Bxc4 $14 26. Bxc4+ Kh8) 26. Nd6 $2 {[%emt 0:00:00]} (26. Nxb6 $18 {Black must now prevent a5.} g5 27. Qe4) 26... g5 $1 $11 {[%emt 0:01:37] [#]} 27. Nxf5 $1 {[%emt 0:00:00]} Bxf5 {[%emt 0:00:09]} 28. Qg3 {[%emt 0:00:00]} Bg6 {[%emt 0:03:05]} 29. h4 {[%emt 0:00:00]} h6 {[%emt 0:05:42]} (29... Kh8 $11 {keeps the balance.}) 30. Rd6 $16 {[%emt 0:00:00] Black is now going downhill.} f5 $2 {[%emt 0:05:06][%mdl 8192]} 31. Rxg6+ $18 {[%emt 0:00:00] White is clearly winning.} Kh7 {[%emt 0:00:02]} 32. Rc6 {[%emt 0:00:00] Strongly threatening Rc7.} f4 {[%emt 0:00:58]} 33. Bd3+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:06]} 34. Rg6+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:02]} 35. Qf3 {[%emt 0:03:01] White wants to mate with Qd5+.} Qxe3+ {[%emt 0:00:43]} 36. Qxe3 {[%emt 0:00:39]} Rxe3 {[%emt 0:00:03]} 37. Rd6 {[%emt 0:00:48] Inhibits Rd8.} Ke7 {[%emt 0:00:17]} 38. Rd5 {[%emt 0:00:37]} c4 {[%emt 0:01:39]} 39. Be2 {[%emt 0:00:41]} Rc8 {[%emt 0:00:43]} 40. Bg4 {[%emt 0:00:22]} Rc7 {[%emt 0:00:28]} (40... Rd8 $142) 41. hxg5 {[%emt 0:00:20]} c3 {[%emt 0:00:20]} 42. gxh6 {[%emt 0:00:41] Intending h7 and mate.} Kf6 {[%emt 0:00:02]} 43. Rc1 {[%emt 0:01:03]} Re4 {[%emt 0:00:27]} 44. Bf3 {[%emt 0:00:35]} Rxa4 {[%emt 0:00:13]} 45. Rd6+ {[%emt 0:00:06]} Kg5 {[%emt 0:00:51]} 46. Rc6 {[%emt 0:00:39]} Ra2+ {[%emt 0:00:52]} 47. Kg1 {[%emt 0:00:17]} Re7 {[%emt 0:00:16]} 48. R6xc3 {[%emt 0:00:16] Weighted Error Value: White=0.26 (precise) /Black=0.31} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.7"]
[White "Perez Gormaz, Matias"]
[Black "Diaz Villagran, Robert"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2404"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,91,-2,-8,-1,0,0,0,0,0,0,3,2,13,-3,24,6,8,5,6,4,7,0,9,11,22,4,23,0,0,0,0,0,0,-3,0,-5,-7,-16,0,0,16,0,0,0,31,31,60,71,74,0,52,0,0,0,0,0,8,0,25,0,24,-12,-20,-33,-23,-28,-14,-2,0,-33,-33,-68,0,-54,-33,-176,-56,-53,0,-168,0,-56,0,-140]} 1. d4 {[%emt 0:04:44]} Nf6 {[%emt 0:00:24]} 2. Nf3 {[%emt 0:00:19]} g6 {[%emt 0:00:14]} 3. Nc3 {[%emt 0:00:21]} d5 {[%emt 0:05:09]} 4. Bf4 {[%emt 0:00:16]} Bg7 {[%emt 0:00:15]} 5. Nb5 {[%emt 0:00:12]} Na6 {[%emt 0:01:11]} 6. e3 {[%emt 0:00:16] D00: 1 d4 d5: Unusual lines.} c6 {[%emt 0:03:20]} 7. Nc3 {[%emt 0:00:12]} Nc7 {[%emt 0:00:17]} 8. h3 {[%emt 0:00:22]} O-O {[%emt 0:02:25]} 9. Bd3 {[%emt 0:04:22]} Nce8 {[%emt 0:05:35]} 10. O-O {[%emt 0:01:03]} Nd6 {[%emt 0:00:56]} 11. Be5 {[%emt 0:00:59] [#]} Nfe4 $146 {[%emt 0:06:46]} ({Predecessor:} 11... Bf5 12. Bxf5 Nxf5 13. Qe2 Nd6 14. Nd2 b5 15. Rfe1 Re8 16. a3 a5 17. a4 b4 {½-½ (51) Desnica,V (2303)-Dekic,J (2262) Backa Palanka 2021}) 12. Bxg7 {[%emt 0:01:39]} (12. Bxe4 $5 Nxe4 13. Nxe4 Bxe5 14. Nxe5 dxe4 15. Nc4 $11) 12... Nxc3 {[%emt 0:05:44]} 13. Qe1 {[%emt 0:00:10]} Kxg7 {[%emt 0:00:19]} 14. Qxc3 {[%emt 0:00:31]} Bf5 {[%emt 0:07:34]} 15. Rfe1 {[%emt 0:00:58]} a5 {[%emt 0:07:28]} 16. a4 {[%emt 0:05:43]} Kg8 {[%emt 0:03:30]} 17. Nd2 {[%emt 0:01:39]} Qd7 {[%emt 0:03:43]} 18. e4 {[%emt 0:01:33]} dxe4 {[%emt 0:00:27]} 19. Nxe4 {[%emt 0:00:08]} Bxe4 {[%emt 0:01:23]} 20. Bxe4 {[%emt 0:00:10]} e6 {[%emt 0:04:21]} 21. Rad1 {[%emt 0:03:41]} Rfd8 {[%emt 0:02:43]} 22. Bd3 {[%emt 0:01:10]} Ne8 {[%emt 0:00:24]} 23. Bc4 {[%emt 0:02:13]} Qd6 {[%emt 0:02:54]} 24. Qf3 {[%emt 0:13:44]} Nc7 {[%emt 0:01:54]} 25. c3 {[%emt 0:00:41]} Rab8 {[%emt 0:01:10]} 26. Re5 {[%emt 0:14:02]} Nd5 {[%emt 0:00:08]} 27. Rde1 {[%emt 0:01:12]} Kg7 {[%emt 0:02:21]} 28. h4 {[%emt 0:02:05]} h5 {[%emt 0:04:26]} 29. R1e4 {[%emt 0:08:42] &Bianco is more active.} (29. Bxd5 $16 exd5 30. Re7) 29... Rd7 {[%emt 0:04:08]} (29... Rf8 $11) 30. Re1 {[%emt 0:03:19]} (30. g4 $1 $14 Re7 31. Bxd5 (31. gxh5 f6 $11) 31... cxd5 32. Rf4 hxg4 33. Rxg4) 30... Rh8 {[%emt 0:09:18]} 31. Qg3 {[%emt 0:00:36]} Qe7 {[%emt 0:00:39]} 32. Bd3 {[%emt 0:01:51]} Rh6 {[%emt 0:01:25]} 33. Bb1 {[%emt 0:02:28]} Qf6 {[%emt 0:00:43]} 34. R1e4 {[%emt 0:01:33]} (34. f4 $5) 34... b6 {[%emt 0:00:18]} 35. Qd3 {[%emt 0:02:15]} (35. c4 {is interesting.} Nc7 36. Rf4 Qe7 37. b3) 35... Qd8 {[%emt 0:00:47]} 36. Qc4 {[%emt 0:00:33]} Rd6 {[%emt 0:00:25]} 37. g3 {[%emt 0:00:34]} Qd7 {[%emt 0:00:49]} 38. Re1 {[%emt 0:00:16]} Rh8 {[%emt 0:00:55]} 39. Qa6 {[%emt 0:00:17]} Rb8 {[%emt 0:00:19]} 40. Qe2 {[%emt 0:04:05]} Rd8 {[%emt 0:01:41]} (40... Nf6 $15) 41. Qf3 {[%emt 0:00:21]} (41. Be4 $11) 41... Nf6 {[%emt 0:00:27]} 42. Rg5 {[%emt 0:06:29]} ({Better is} 42. Bc2 $15) 42... Nh7 {[%emt 0:01:53]} (42... c5 $1 $19 43. dxc5 bxc5) 43. Rge5 $15 {[%emt 0:00:07]} Nf6 {[%emt 0:00:04]} (43... c5 $15 44. dxc5 bxc5) 44. Rg5 $1 $19 {[%emt 0:03:29]} Nh7 {[%emt 0:00:05]} ({Black should try} 44... c5 $1 $19 45. dxc5 bxc5) 45. Rge5 $15 {[%emt 0:00:04]} Nf6 {[%emt 0:00:03]} (45... c5 $15 46. dxc5 bxc5) 46. Rg5 $1 {[%emt 0:00:04] Weighted Error Value: White=0.17 (very precise) /Black=0.20 (precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.8"]
[White "Galaviz Medina, Sion Radamantys"]
[Black "Montes Orozco, Miguel Angel"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2374"]
[BlackElo "1914"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,63,0,8,11,6,-4,10,6,8,0,20,29,18,11,30,0,31,-19,-32,-58,-70,-58,-67,-59,24,20,68,43,156,156,141,147,156,138,106,31,240,152,162,161,146,153,417,324,322,349,688,658]} 1. d4 {[%emt 0:00:02]} d5 {[%emt 0:01:38]} 2. c4 {[%emt 0:00:03]} c6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:05]} 4. Nf3 {[%emt 0:00:46]} dxc4 {[%emt 0:00:24]} 5. a4 {[%emt 0:00:11]} Bf5 {[%emt 0:00:13]} 6. e3 {[%emt 0:22:42]} e6 {[%emt 0:00:25]} 7. Bxc4 {[%emt 0:00:04]} Bb4 {[%emt 0:00:11]} 8. O-O {[%emt 0:00:21]} O-O {[%emt 0:00:45]} 9. h3 {[%emt 0:01:33]} h6 {[%emt 1:31:15]} 10. Qe2 {[%emt 0:24:07] D18: Slav Defence: 5 a4 Bf5 6 e3.} Bh7 {[%emt 0:00:00]} 11. Bd2 {[%emt 0:05:47]} Nbd7 {[%emt 0:00:00]} 12. Rfd1 {[%emt 0:02:13] The position is equal.} Qe7 {[%emt 0:00:00]} 13. a5 {[%emt 0:08:44] [#]} b5 $146 {[%emt 0:00:00]} ({Predecessor:} 13... a6 14. Na4 Bd6 15. Nc3 e5 16. dxe5 Nxe5 17. Be1 Rad8 18. Rd4 c5 19. Rdd1 Nxc4 20. Qxc4 {½-½ (61) Opryshko,S (2208)-Timerkhanov,A (2363) Tallinn 2019}) 14. Bd3 {[%emt 0:10:36]} Bxd3 {[%emt 0:00:00]} 15. Qxd3 {[%emt 0:00:02]} a6 {[%emt 0:00:00]} 16. e4 {[%emt 0:02:13]} Rfd8 {[%emt 0:00:00]} 17. Qe2 {[%emt 0:04:38]} (17. e5 $14 Nd5 18. Rdc1) 17... e5 $11 {[%emt 0:00:00]} 18. d5 {[%emt 0:02:42]} Nc5 {[%emt 0:00:00]} 19. dxc6 {[%emt 0:09:10][%cal Oc3d5]} Nb3 {[%emt 0:00:00][%csl LRa1,LRa5]} 20. Rab1 {[%emt 0:00:03]} Rac8 {[%emt 0:00:00]} ({Black should try} 20... Nxd2 $15 21. Rxd2 Rxd2 22. Nxd2 Qe6) 21. Be3 {[%emt 0:01:01] Hoping for Rxd8+.} Rxd1+ {[%emt 0:00:00]} (21... Rxc6 $11 {should be considered.} 22. Rxd8+ Qxd8) 22. Qxd1 $14 {[%emt 0:00:16]} Bxc3 {[%emt 0:00:00]} (22... Nxa5 $14 23. Nd5 Nxd5 24. exd5 Nc4) 23. Qxb3 $16 {[%emt 0:00:04]} ({Weaker is} 23. bxc3 Nxa5 24. Ra1 Nxc6 $15) 23... Bb4 {[%emt 0:00:00]} 24. Rc1 {[%emt 0:00:17]} Nxe4 {[%emt 0:00:00] [#]} 25. Nxe5 $1 {[%emt 0:00:43][%mdl 512]} Bxa5 {[%emt 0:00:00]} (25... Bd6 26. Nd7) 26. Nd7 {[%emt 0:00:29]} (26. Qa2 $1 $16 {Nxf7 is the strong threat.} Bc7 27. Qxa6 $1) 26... Bd2 $2 {[%emt 0:00:00]} (26... Bc7 $14) 27. Bxd2 {[%emt 0:00:22]} Nxd2 {[%emt 0:00:00] [#]} 28. Qd5 {[%emt 0:00:11]} Nc4 {[%emt 0:00:00]} 29. b3 {[%emt 0:00:04] &Bianco is more active.} Ne3 {[%emt 0:00:00]} (29... Nd6 $16 {was worth a try.} 30. Qc5 Qg5 31. Qxg5 hxg5) 30. Qd2 {[%emt 0:01:38]} ({Not} 30. Qf3 Qxd7 31. fxe3 (31. cxd7 $2 {loses.} Rxc1+ 32. Kh2 Nf1+ 33. Kh1 Nd2+ 34. Kh2 Nxf3+ $19) 31... Qd6 $11) 30... Nf5 {[%emt 0:00:00] [#]} 31. Nb6 $1 {[%emt 0:00:06]} Rd8 {[%emt 0:00:00] [#]} (31... Re8 32. c7 Nd6) 32. Qxd8+ $3 {[%emt 0:00:10][%mdl 512] Weighted Error Value: White=0.15 (very precise) /Black=0.61} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.9"]
[White "Blanco Fernandez, Alvaro"]
[Black "Obregon Rivero, Juan Carlos"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "2216"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 26,102,50,44,48,38,46,13,12,9,43,45,41,62,39,0,1,4,2,4,17,0,6,4,6,0,0,0,0,0,0,0,0,0,0,-8,-6,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,-35,-35,-33,-34,-682,-568,-670,-656,-810,-810,-493,-493,-1534,-465,-1512,-1329,-1029,-759,-29969,-29964,-29972,-29973,-29972,-29972,-29981,-29982,-29984,-29983]} 1. d4 {[%emt 1:31:00]} Nf6 {[%emt 0:00:13]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:53]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:10]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:10]} 5. Be2 {[%emt 0:00:00]} O-O {[%emt 0:00:14]} 6. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:09]} 7. O-O {[%emt 0:00:00]} cxd4 {[%emt 0:00:04]} 8. Nxd4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:03]} 9. Be3 {[%emt 0:00:00]} Bd7 {[%emt 0:01:21]} 10. f3 {[%emt 0:00:00]} Nxd4 {[%emt 0:00:13]} 11. Bxd4 {[%emt 0:00:00]} a5 {[%emt 0:00:15]} 12. Qd2 {[%emt 0:00:00]} Bc6 {[%emt 0:00:08]} 13. Rfd1 {[%emt 0:00:00]} Nd7 {[%emt 0:00:22]} 14. Be3 {[%emt 0:00:00] 14.Bf2 deserves study.} a4 {[%emt 0:00:46] B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} 15. Rab1 {[%emt 0:00:00]} Nc5 {[%emt 0:11:39]} 16. b4 {[%emt 0:00:00]} axb3 $1 {[%emt 0:01:45] The position is equal.} 17. axb3 {[%emt 0:00:00][%cal Ba2b3,Bb3b4][%mdl 32] [#]} Re8 $146 {[%emt 0:22:29]} (17... Qa5 $5 {[%cal Rg7c3]} 18. Nd5 Bxd5 $11) ({Predecessor:} 17... Qc7 18. b4 Ra3 19. bxc5 Bxc3 20. Qc1 Rfa8 21. cxd6 exd6 22. Rd3 Qa5 23. Rxd6 Qh5 {0-1 (61) Sen,S (2073)-Dargan,P (2207) Hinckley Island 2008}) 18. Bf1 {[%emt 0:00:00]} Qa5 {[%emt 0:04:56]} 19. b4 {[%emt 0:00:00]} Qa3 {[%emt 0:00:05]} 20. Nd5 {[%emt 0:00:00]} (20. Ne2 $5 {[%cal Rb4c5]} Ne6 21. Nd4 $14) 20... Bxd5 {[%emt 0:00:46]} 21. bxc5 {[%emt 0:00:00]} Bc6 {[%emt 0:00:17]} 22. cxd6 {[%emt 0:00:00]} exd6 {[%emt 0:02:55]} 23. Bd4 {[%emt 0:00:00]} Bxd4+ {[%emt 0:02:31]} 24. Qxd4 {[%emt 0:00:00]} Qc5 {[%emt 0:00:14]} 25. Kh1 {[%emt 0:00:00]} Re6 {[%emt 0:00:20]} 26. Ra1 {[%emt 0:00:00]} Rxa1 {[%emt 0:00:57]} 27. Qxa1 {[%emt 0:00:00]} g5 {[%emt 0:00:55]} 28. Qa8+ {[%emt 0:00:00]} Re8 {[%emt 0:05:18]} 29. Qa1 {[%emt 0:00:00]} g4 {[%emt 0:03:16]} 30. Qd4 {[%emt 0:00:00]} gxf3 {[%emt 0:05:09]} 31. gxf3 {[%emt 0:00:00]} Qh5 {[%emt 0:02:18]} 32. Be2 {[%emt 0:00:00]} Re6 {[%emt 0:07:21][%cal Oc6e4]} 33. Rg1+ {[%emt 0:00:00]} Kf8 $1 {[%emt 0:00:54][%cal Oc6e4]} 34. Qg7+ {[%emt 0:00:00]} Ke7 {[%emt 0:06:29][%cal Oe6e4] Strongly threatening ...Rxe4!} 35. Qg5+ {[%emt 0:00:00]} Qxg5 {[%emt 0:00:02]} 36. Rxg5 $11 {[%emt 0:00:00][%mdl 4096] Endgame KRB-KRB} h6 {[%emt 0:00:19]} 37. Rh5 {[%emt 0:00:00]} Rg6 {[%emt 0:00:34]} 38. c5 {[%emt 0:00:00]} dxc5 {[%emt 0:00:43]} 39. Rxc5 {[%emt 0:00:00]} Rg5 {[%emt 0:00:30]} 40. Rxg5 {[%emt 0:00:00][%mdl 8192] This costs White the game.} (40. Rc3 $15) 40... hxg5 $15 {[%emt 0:00:17] KB-KB} 41. Kg2 {[%emt 0:00:00]} Kf6 {[%emt 0:01:24]} 42. Bc4 {[%emt 0:00:00]} b5 {[%emt 0:00:25]} 43. Bb3 {[%emt 0:00:00] [#]} Bd7 $1 {[%emt 0:00:27]} 44. Kf2 {[%emt 0:00:00]} (44. f4 $142 gxf4 45. Kf3) 44... Be6 $19 {[%emt 0:00:25]} 45. Bc2 {[%emt 0:00:00]} (45. Bd1 $142 b4 46. Be2) 45... Ke5 {[%emt 0:01:47] ...b4 is the strong threat.} 46. Ke3 {[%emt 0:00:00]} Bc4 {[%emt 0:00:24] Threatens to win with ...b4.} 47. f4+ {[%emt 0:00:00]} gxf4+ {[%emt 0:00:04] Black mates.} 48. Kf3 {[%emt 0:00:00]} f6 {[%emt 0:01:23]} 49. h4 {[%emt 0:00:00] [#]} Bf7 $1 {[%emt 0:01:33]} 50. Kg4 {[%emt 0:00:00]} b4 {[%emt 0:00:39][%cal Bb5b4,Bb4b3][%mdl 32]} 51. h5 {[%emt 0:00:00]} b3 {[%emt 0:00:27] Weighted Error Value: White=0.75/Black=0.07 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.10"]
[White "Jorajuria Mendoza, Algol"]
[Black "Quesada Perez, Luis Ernesto"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "2006"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,86,39,0,0,-12,10,18,8,0,-4,-9,0,0,0,-16,0,0,0,-10,-10,-11,-10,-11,-14,-25,0,0,0,0,0,-90,-83,-78,-86,-72,-89,-96,-65,-63,-64,-64,-63,-183,-184,-188,-94,-88,-90,-158,-158,-144,-131,-132,-124,-117,-118,-142,-123,-185,-196,-191,-157,-138,-91,-291,-268,-6537,-6211,-2828,-2335,-1733,-968]} 1. e4 {[%emt 0:00:02]} e5 {[%emt 0:00:39]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:10]} 3. Bb5 {[%emt 0:00:06]} Nf6 {[%emt 0:00:25]} 4. O-O {[%emt 0:00:13]} Nxe4 {[%emt 0:00:08]} 5. d4 {[%emt 0:01:03]} Nd6 {[%emt 0:00:13]} 6. Bxc6 {[%emt 0:00:34]} dxc6 {[%emt 0:00:01]} 7. dxe5 {[%emt 0:00:25]} Nf5 {[%emt 0:00:01]} 8. Qxd8+ {[%emt 0:00:24]} Kxd8 {[%emt 0:00:02]} 9. h3 {[%emt 0:06:48]} Be7 {[%emt 0:03:14] 9...Bd7 is the modern continuation. C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 10. Nc3 {[%emt 0:13:50]} Nh4 {[%emt 0:09:32] Hoping for ...Nxf3+.} 11. Nxh4 {[%emt 0:10:01]} Bxh4 {[%emt 0:00:01] [#] The position is equal.} 12. g3 $146 {[%emt 0:01:41]} ({Predecessor:} 12. Be3 Ke8 13. Rad1 h5 14. Ne4 Be7 15. Rfe1 Bf5 16. Bf4 Rd8 17. Nd6+ cxd6 18. exd6 {½-½ (31) Grischuk,A (2773)-Navara,D (2699) Terme Catez 2021}) 12... Be7 {[%emt 0:00:11]} 13. g4 {[%emt 0:02:48]} h5 {[%emt 0:00:57]} 14. f3 {[%emt 0:00:08]} Be6 {[%emt 0:00:21]} 15. Be3 {[%emt 0:04:53]} b6 {[%emt 0:03:54]} 16. Ne2 {[%emt 0:07:17]} Kc8 {[%emt 0:01:37]} 17. Nf4 {[%emt 0:06:41]} Bg5 {[%emt 0:00:30]} 18. Kg2 {[%emt 0:04:30]} Bxf4 {[%emt 0:07:23]} 19. Bxf4 {[%emt 0:00:08]} a5 {[%emt 0:00:10]} 20. a4 {[%emt 0:03:29]} c5 {[%emt 0:02:09]} 21. Bg5 {[%emt 0:01:03]} Kb7 {[%emt 0:00:23]} 22. Kg3 {[%emt 0:00:40]} Rh7 {[%emt 0:00:17]} 23. f4 {[%emt 0:03:01]} (23. Rad1 $11) 23... hxg4 $17 {[%emt 0:00:30]} 24. f5 {[%emt 0:01:02]} Bd7 {[%emt 0:01:29]} ({But not} 24... Rxh3+ 25. Kxg4 Rh2 26. fxe6 fxe6 27. Kg3 Rxc2 28. Rf2 Rxf2 29. Kxf2 $14) 25. h4 {[%emt 0:00:19]} Re8 {[%emt 0:00:24]} 26. Kf4 {[%emt 0:02:03]} f6 {[%emt 0:09:52]} 27. exf6 {[%emt 0:01:00]} gxf6 {[%emt 0:00:01]} 28. Bxf6 {[%emt 0:00:01]} Rf8 {[%emt 0:00:01]} 29. Bc3 {[%emt 0:01:21]} (29. Bg5 $1 $15) 29... Rxf5+ $19 {[%emt 0:02:23]} 30. Kg3 {[%emt 0:00:05] [#]} Rxf1 {[%emt 0:00:05]} ({Better is} 30... Rhf7 $1 $19 31. Kg2 (31. Rxf5 $2 Rxf5 32. Kg2 Rf3 $19) 31... Rf3 32. Rxf3 Rxf3) 31. Rxf1 $17 {[%emt 0:00:04]} Bxa4 {[%emt 0:00:10]} 32. Kxg4 {[%emt 0:00:23]} (32. Rc1 $142) 32... Bxc2 $19 {[%emt 0:00:08][%mdl 4096] Endgame KRB-KRB} 33. Kg5 {[%emt 0:01:00]} Ka6 {[%emt 0:01:55]} 34. h5 {[%emt 0:00:12]} Kb5 {[%emt 0:01:27]} 35. h6 {[%emt 0:00:11]} Rd7 {[%emt 0:00:19]} 36. Rf4 {[%emt 0:01:15]} c4 {[%emt 0:03:37]} 37. Rh4 {[%emt 0:00:47]} (37. Kf6 $17 {is a better defense.}) 37... Rf7 {[%emt 0:54:21]} 38. Rd4 {[%emt 0:01:30]} Bb1 {[%emt 0:00:00]} 39. Rd8 {[%emt 0:01:25]} Ka4 {[%emt 0:00:00]} ({Black should play} 39... Bh7 40. Re8 Ka4) 40. Rg8 $2 {[%emt 0:00:19] This move loses the game for White.} (40. Rd1 $17 Bd3 41. Re1) 40... Kb3 {[%emt 0:00:00]} 41. Rg6 $2 {[%emt 0:00:05]} (41. Kh4) 41... Rf5+ {[%emt 0:00:00] Black is clearly winning.} 42. Kg4 {[%emt 0:00:05] [#]} Rf4+ $3 {[%emt 0:00:00][%mdl 512]} 43. Kg5 {[%emt 0:00:06] [#]} Rg4+ $3 {[%emt 0:00:00][%mdl 512] Weighted Error Value: White=0.43/Black=0.10 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.11"]
[White "Torres Rosas, Luis Carlos"]
[Black "Hernandez Jimenez, Alexander Andres"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2356"]
[BlackElo "2167"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,57,68,159,123,131,108,152,143,238,223,240,236,240,233,226,152,192,181,198,170,183,178,182,180,191,184,191,174,174,174,174,174,174,174,174,174,174,174,174,174,174,158,205,205,279,254,279,260,269,208]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:10:15]} 2. c4 {[%emt 0:00:07]} c6 {[%emt 0:00:40]} 3. Nc3 {[%emt 0:00:18]} d5 {[%emt 0:00:13]} 4. Nf3 {[%emt 0:00:05]} Bg4 {[%emt 0:01:36]} 5. Ne5 {[%emt 0:02:05]} Bh5 {[%emt 0:00:08]} ({Black should try} 5... Be6 $14) 6. f3 {[%emt 0:08:01] aiming for g4. &Bianco is more active. D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} e6 {[%emt 0:02:40]} 7. g4 {[%emt 0:00:42][%cal Bg2g4,Bg4g5][%mdl 32]} Bg6 {[%emt 0:01:06] [#]} 8. h4 $1 {[%emt 0:00:15] Black must now prevent h5. White is clearly better.} h5 {[%emt 0:02:04]} (8... h6 $16) 9. g5 {[%emt 0:00:14]} Ng8 {[%emt 0:02:13]} 10. Nxg6 {[%emt 0:16:55]} fxg6 {[%emt 0:00:09] [#]} 11. Qc2 $146 {[%emt 0:02:00]} ({Predecessor:} 11. Bh3 Qd6 12. c5 Qg3+ 13. Kf1 Kd7 14. Qb3 Qc7 15. e4 Ne7 16. exd5 cxd5 17. Nxd5 {1-0 (28) Kuljasevic,D (2413)-Bilus Gagic,A (2077) Bizovac 2004}) 11... Kf7 {[%emt 0:12:38]} 12. Be3 {[%emt 0:05:20]} Bd6 {[%emt 0:03:22]} 13. Bf2 {[%emt 0:12:40]} Ne7 {[%emt 0:02:38]} 14. Bh3 {[%emt 0:00:55]} b5 {[%emt 0:16:36]} 15. c5 {[%emt 0:04:34]} Bc7 {[%emt 0:00:26]} 16. e4 {[%emt 0:03:25]} b4 {[%emt 0:05:11]} 17. Ne2 {[%emt 0:03:33]} Re8 {[%emt 0:03:18]} 18. Qd2 {[%emt 0:05:03]} Nd7 {[%emt 0:01:04]} 19. O-O {[%emt 0:01:33]} ({Don't go for} 19. Qxb4 $2 Ba5 20. Qc3 Bxc3+ $19) 19... Qb8 {[%emt 0:03:18]} 20. Be3 {[%emt 0:01:19]} Nf8 {[%emt 0:02:50]} 21. Bf4 {[%emt 0:01:18]} a5 {[%emt 0:13:03]} 22. Bxc7 {[%emt 0:05:12]} Qxc7 {[%emt 0:00:08]} 23. Qf4+ {[%emt 0:01:39]} Qxf4 {[%emt 0:00:09]} 24. Nxf4 {[%emt 0:00:01]} Nc8 {[%emt 0:05:24]} 25. a4 {[%emt 0:05:09]} Re7 {[%emt 0:09:19]} (25... b3 $16 26. Nd3 Ne7 27. Ne5+ Kg8) 26. Rae1 $18 {[%emt 0:04:11]} Na7 {[%emt 0:00:22]} 27. Nd3 {[%emt 0:01:50] White has a decisive advantage.} Nd7 {[%emt 0:00:26]} 28. Re2 {[%emt 0:01:50]} Rae8 {[%emt 0:00:09]} 29. Rfe1 {[%emt 0:00:08] Weighted Error Value: White=0.11 (very precise) /Black=0.20 (precise)} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.12"]
[White "Garcia Guerrero, Isaac Antonio"]
[Black "Rosales Campos, Paul"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2338"]
[BlackElo "2039"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,71,14,8,18,9,15,5,30,22,50,42,42,46,79,44,57,56,51,42,46,31,35,43,33,26,48,31,37,9,16,27,33,14,14,20,15,8,17,0,0,0,0,0,0,0,0,0,0,-35,29983,-1050,14,0,0,0,1615,0]} 1. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:01:02]} 2. c4 {[%emt 0:00:13]} e6 {[%emt 0:03:13]} 3. g3 {[%emt 0:00:14]} d5 {[%emt 0:01:31]} 4. b3 {[%emt 0:00:17]} Be7 {[%emt 0:04:20]} 5. Bg2 {[%emt 0:00:19]} O-O {[%emt 0:03:58]} 6. O-O {[%emt 0:00:10]} Nbd7 {[%emt 0:01:38]} 7. Bb2 {[%emt 0:00:57]} b6 {[%emt 0:02:22]} 8. e3 {[%emt 0:01:14]} Bb7 {[%emt 0:01:38]} 9. Nc3 {[%emt 0:00:52] 9.Nc3 scores better than 9.Qe2.} a6 {[%emt 0:07:44] A14: English Opening: 1...e6 with b3 by White.} 10. Qe2 {[%emt 0:00:55]} Re8 {[%emt 0:09:17]} 11. Rac1 {[%emt 0:02:00]} Ne4 {[%emt 0:09:59] The position is equal.} 12. Rfd1 {[%emt 0:08:17] [#]} Bf6 $146 {[%emt 0:02:26]} ({Predecessor:} 12... Nxc3 13. dxc3 Qc8 14. cxd5 Bxd5 15. c4 Bc6 16. Qc2 Nf6 17. c5 Be4 18. Qc4 b5 {1-0 (41) Miroshnichenko,E (2651)-Kulaots,K (2607) Konya 2011}) 13. d4 {[%emt 0:02:43] Strongly threatening Nxe4.} Nxc3 {[%emt 0:02:25]} 14. Bxc3 {[%emt 0:00:14]} Qe7 {[%emt 0:00:20]} 15. Ne1 {[%emt 0:07:09]} Rab8 {[%emt 0:07:58]} 16. Bb2 {[%emt 0:09:51]} c6 {[%emt 0:10:10]} 17. Nd3 {[%emt 0:04:24]} g6 {[%emt 0:02:26]} 18. h4 {[%emt 0:03:55]} a5 {[%emt 0:03:12]} 19. h5 {[%emt 0:03:26]} Bg7 {[%emt 0:04:50]} 20. Rc2 {[%emt 0:09:58]} Qg5 {[%emt 0:03:54]} 21. hxg6 {[%emt 0:13:32]} hxg6 {[%emt 0:02:37]} 22. e4 {[%emt 0:01:59]} dxe4 {[%emt 0:04:38]} 23. Bxe4 {[%emt 0:06:53]} e5 {[%emt 0:00:46]} 24. dxe5 {[%emt 0:04:35]} Nxe5 {[%emt 0:00:44]} 25. Nxe5 {[%emt 0:02:22]} Bxe5 {[%emt 0:00:19]} 26. Bc1 {[%emt 0:00:30]} Qe7 {[%emt 0:02:43]} 27. Bg2 {[%emt 0:02:08]} c5 {[%emt 0:02:34]} 28. Bb2 {[%emt 0:02:55]} Bxg2 {[%emt 0:04:21]} 29. Kxg2 {[%emt 0:00:40]} Qf6 {[%emt 0:00:19] [#] aiming for ...Bxb2.} 30. Bxe5 {[%emt 0:03:29]} Rxe5 {[%emt 0:00:04]} 31. Qg4 {[%emt 0:01:40]} Rbe8 {[%emt 0:02:32][%cal Oa5a4]} 32. Qf3 {[%emt 0:08:35]} Rb8 $2 {[%mdl 8192] [#]} 33. Qe3 $4 {[%emt 0:00:30][%mdl 8192]} Rf5 $2 {[%emt 0:01:00]} (33... Rxe3 $19 34. fxe3 Qf5) 34. Qe4 {[%emt 0:00:30] Prevents Qf3+.} Re5 {[%emt 0:00:30]} 35. Qf4 Rf5 {[%emt 0:00:30][%mdl 8192]} 36. Qe4 $2 {[%emt 0:01:00] Weighted Error Value: White=0.33/Black=0.61} (36. Qxb8+ $18 Kh7 37. Rh1+ Rh5 38. Rxh5+ gxh5 39. Qe8) 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.13"]
[White "Benitez Lozano, Javier"]
[Black "Rascon Vega, Alfonso"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2309"]
[BlackElo "2107"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 24,62,28,27,59,26,26,25,15,6,13,10,30,21,116,0,85,78,90,83,87,88,230,222,218,224,219,226,222,203,219,223,243,130,282,0,0,-23,30,13,65]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:01:33]} 2. c4 {[%emt 0:01:11]} g6 {[%emt 0:02:59]} 3. Nc3 {[%emt 0:00:14]} Bg7 {[%emt 0:00:14]} 4. e4 {[%emt 0:00:14]} d6 {[%emt 0:00:04]} 5. Nf3 {[%emt 0:00:13]} O-O {[%emt 0:00:10]} 6. Be2 {[%emt 0:00:22]} e5 {[%emt 0:00:29]} 7. O-O {[%emt 0:00:32]} Nc6 {[%emt 0:00:08]} 8. d5 {[%emt 0:01:15]} Ne7 {[%emt 0:00:09]} 9. Bg5 {[%emt 0:00:33]} h6 {[%emt 0:06:11]} 10. Bxf6 {[%emt 0:00:29]} Bxf6 {[%emt 0:00:06]} 11. b4 {[%emt 0:00:19]} Bg7 {[%emt 0:02:52]} 12. c5 {[%emt 0:00:26]} f5 {[%emt 0:00:45]} 13. Nd2 {[%emt 0:00:27]} h5 {[%emt 0:07:34] [#] E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1.} 14. Nc4 $146 {[%emt 0:03:24]} ({Predecessor:} 14. Rc1 Bh6 15. Rc2 a6 16. a4 fxe4 17. Ndxe4 Nf5 18. Ra2 Nd4 19. Bd3 {½-½ (19) Orso,M (2302)-Mihalincic,T (2239) Hungary 2019}) 14... fxe4 {[%emt 0:02:38]} 15. cxd6 {[%emt 0:06:32]} cxd6 {[%emt 0:00:58] White has an edge.} 16. Nxe4 {[%emt 0:00:32]} Nf5 {[%emt 0:00:31]} 17. a4 {[%emt 0:04:36]} Qe7 {[%emt 0:00:30]} 18. Qd3 {[%emt 0:08:19]} Bh6 {[%emt 0:03:38]} (18... Rd8 $11) 19. b5 {[%emt 0:03:25]} (19. Nexd6 $1 $16 {[%cal Of1e1] aiming for Rfe1!} Bg7 20. Nxf5 Bxf5 21. d6 $1 {[%mdl 512]}) 19... Kg7 {[%emt 0:03:17]} (19... Rd8 $1 $11 {keeps the balance.}) 20. Rfe1 {[%emt 0:07:02] &Bianco is more active.} Bf4 {[%emt 0:07:32]} 21. Bd1 {[%emt 0:06:24]} Bd7 {[%emt 0:14:41]} 22. Qa3 {[%emt 0:07:57]} Rf6 {[%emt 0:00:18]} 23. Nxf6 $18 {[%emt 0:09:14]} Qxf6 {[%emt 0:02:11]} 24. Bc2 {[%emt 0:01:17] Hoping for Bxf5.} Rd8 {[%emt 0:04:54]} 25. Bxf5 {[%emt 0:10:06]} Bxf5 {[%emt 0:00:12]} 26. Ne3 {[%emt 0:00:53]} Be4 {[%emt 0:00:38]} 27. f3 {[%emt 0:10:21]} Rf8 {[%emt 0:02:28]} 28. Qb4 {[%emt 0:08:01]} (28. fxe4 Bxh2+ 29. Kh1 (29. Kxh2 Qh4+ 30. Kg1 Qf2+ 31. Kh2 Qh4+ 32. Kg1 Qf2+ 33. Kh2 Qh4+ $11) 29... Qh4 30. Nf5+ gxf5 $16) (28. a5 $18) 28... Qh4 $2 {[%emt 0:01:03] [#]} (28... Bd3 $16 {keeps fighting.} 29. Qc3 Qh4 30. Qxd3 Bxh2+ 31. Kf1 e4) 29. Nf1 $2 {[%emt 0:06:53]} ({Not} 29. Qxe4 $2 Bxh2+ 30. Kh1 Rf4 $19) (29. g3 $1 $18 {[%cal Rg3h4]} Bxg3 30. hxg3 Qxg3+ 31. Ng2 Bxf3 32. Ra2) 29... Bxf3 $1 $11 {[%emt 0:00:35]} 30. Qb3 {[%emt 0:00:35] [#] Prevents Be3+.} Bg4 {[%emt 0:02:35] This bishop pair is nice.} ({Don't take} 30... Bxg2 31. Kxg2 Bxh2 32. Ng3 $16) ({Black should try} 30... Bxh2+ $1 31. Nxh2 Bxg2) 31. g3 {[%emt 0:02:39]} Qh3 {[%emt 0:34:07] Weighted Error Value: White=0.34/Black=0.45} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.14"]
[White "Guerrero Cataldo, Juan Andres"]
[Black "Tapie Amione, Pablo Adib"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1976"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,43,16,4,16,18,20,27,18,19,18,50,13,41,43,87,36,58,60,57,47,45,25,34,34,80,88,110,90,82,73,160,174,187,187,946,256]} 1. d4 {[%emt 0:08:32]} Nf6 {[%emt 0:00:12]} 2. Nf3 {[%emt 0:00:03]} d5 {[%emt 0:00:08]} 3. g3 {[%emt 0:00:12]} c5 {[%emt 0:00:07]} 4. Bg2 {[%emt 0:01:27]} cxd4 {[%emt 0:00:17]} 5. O-O {[%emt 0:00:11]} h6 {[%emt 0:02:42]} 6. b3 {[%emt 0:00:30] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nc6 {[%emt 0:00:22]} 7. Nxd4 {[%emt 0:00:07]} e5 {[%emt 0:00:15]} 8. Nxc6 {[%emt 0:00:01] White has an edge.} bxc6 {[%emt 0:00:02]} 9. c4 {[%emt 0:00:01] [#]} Rb8 $146 {[%emt 0:01:34]} ({Predecessor:} 9... Be7 10. Bb2 e4 11. Nc3 O-O 12. cxd5 cxd5 13. Qd4 Be6 14. Rac1 Qd7 15. Na4 Rfc8 {½-½ (71) Banusz,T (2641)-Dubov,D (2714) Chess.com INT 2021}) 10. cxd5 {[%emt 0:00:02]} cxd5 {[%emt 0:00:16]} 11. Bb2 {[%emt 0:00:23]} e4 {[%emt 0:02:15] [#]} 12. Nc3 {[%emt 0:04:33]} (12. Bd4 $1 $16) 12... Be7 {[%emt 0:04:11]} 13. Qd4 {[%emt 0:37:55]} a5 {[%emt 0:11:58]} 14. Rfd1 {[%emt 0:06:22][%cal Rc3d5]} Be6 {[%emt 0:02:47]} 15. Na4 {[%emt 0:07:20]} O-O {[%emt 0:02:42]} 16. Rac1 {[%emt 0:00:38]} Qe8 {[%emt 0:18:06]} (16... Re8 $14 {might be stronger.}) 17. Nc5 $16 {[%emt 0:02:17]} Bc8 {[%emt 0:10:24]} 18. Qe5 {[%emt 0:02:25]} Rb5 {[%emt 0:01:06]} 19. Rxd5 {[%emt 0:27:01] aiming for Rcd1.} Bb7 {[%emt 0:40:36]} (19... a4 $142) 20. Rdd1 {[%emt 0:00:30] 0x0.002ceff46a05dp-1022s more active pieces.} Bxc5 21. Rxc5 {[%emt 0:00:00]} Bc8 $2 {[%emt 0:01:00] [#]} (21... Qxe5 22. Rxe5 Rxe5 23. Bxe5 Rc8) 22. Qd4 $2 {[%emt 0:00:00][%mdl 32768] Weighted Error Value: White=0.09 (flawless) /Black=0.23 (precise) . An unexpected result.} (22. Rxb5 Ba6 23. Rxa5 Bxe2 24. Re1) 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.15"]
[White "Hernandez Guerrero, Eduardo"]
[Black "Davalos Prieto, Abel Justo"]
[Result "1-0"]
[ECO "B67"]
[WhiteElo "2232"]
[BlackElo "2103"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,37,39,5,18,14,22,20,159,161,154,158,146,97,163,172,205,201,243,225,232,235,238,245]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:21]} 2. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:22]} 3. Nc3 {[%emt 0:00:17]} Nf6 {[%emt 0:01:56]} 4. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:30]} 5. Nxd4 {[%emt 0:00:06]} d6 {[%emt 0:00:21]} 6. Bg5 {[%emt 0:00:13]} e6 {[%emt 0:00:19]} 7. Qd2 {[%emt 0:00:13]} a6 {[%emt 0:00:30]} 8. O-O-O {[%emt 0:00:51]} Bd7 {[%emt 0:00:18] The main line 8...Bd7 scores better than 8...h6.} 9. Nb3 {[%emt 0:21:20]} b5 {[%emt 0:05:45] B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} 10. a3 {[%emt 0:02:41]} Be7 {[%emt 0:09:40]} 11. f4 {[%emt 0:01:53]} Qb6 {[%emt 0:04:53]} (11... Rb8 $11 {keeps the balance.}) 12. e5 $1 $16 {[%emt 0:06:47]} Ng4 {[%emt 0:03:29]} 13. Bxe7 {[%emt 0:04:39]} ({Resist} 13. exd6 Bxg5 14. fxg5 Nf2 $16) 13... Nxe7 {[%emt 0:00:08]} 14. Qxd6 {[%emt 0:09:10] [#]} ({White should try} 14. exd6 Nf5 15. Bd3) 14... Qxd6 $146 {[%emt 0:00:08]} (14... Bc6 $16) ({Predecessor:} 14... Qe3+ 15. Qd2 Ng6 16. h3 Qxd2+ 17. Rxd2 Ne3 18. g3 Bc6 19. Rg1 h5 20. h4 Ne7 {1-0 (51) Bakalarz,L (2004)-Fiedorek,M (1862) Krakow 2016}) 15. Rxd6 $18 {[%emt 0:00:15][%cal Bd1d6,Bd6d2,Bd2g2][%mdl 32] White is clearly better.} Nf5 {[%emt 0:00:49]} 16. Rd2 {[%emt 0:00:43]} Bc6 {[%emt 0:03:32]} 17. Bd3 {[%emt 0:00:58] Threatens to win with Na5.} Nge3 {[%emt 0:02:10]} 18. Na5 {[%emt 0:02:43]} Bxg2 {[%emt 0:01:50] [#]} 19. Rxg2 $1 {[%emt 0:00:12][%mdl 512] Weighted Error Value: White=0.12 (very precise) /Black=0.42} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.16"]
[White "Gonzalez Arroyo, Lenin"]
[Black "Kowalski Davila, Emilio Luis"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2210"]
[BlackElo "1735"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 26,37,8,17,28,46,43,53,73,8,116,46,593,602]} 1. e4 {[%emt 0:00:11]} c6 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:26]} d5 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:12]} dxe4 {[%emt 0:00:14]} 4. Nxe4 {[%emt 0:00:14]} Bf5 {[%emt 0:00:11]} 5. Ng3 {[%emt 0:01:16]} Bg6 {[%emt 0:00:14]} 6. h4 {[%emt 0:01:41][%cal Bh2h4,Bh4h5][%mdl 32]} h6 {[%emt 0:00:18]} 7. Nf3 {[%emt 0:00:33]} Nd7 {[%emt 0:01:11]} 8. h5 {[%emt 0:01:17]} Bh7 {[%emt 0:00:45]} 9. Bd3 {[%emt 0:00:18]} Bxd3 {[%emt 0:00:14]} 10. Qxd3 {[%emt 0:00:08]} e6 {[%emt 0:00:19]} 11. Bd2 {[%emt 0:04:06]} Ngf6 {[%emt 0:01:30]} 12. O-O-O {[%emt 0:00:28]} Be7 {[%emt 0:01:02]} 13. Kb1 {[%emt 0:04:22]} Qc7 {[%emt 0:04:35]} 14. Ne4 {[%emt 0:01:07]} b5 {[%emt 0:14:08] B19: Classical Caro-Kann: 4...Bf5 main line.} 15. Nxf6+ {[%emt 0:10:13]} Nxf6 {[%emt 0:00:19]} 16. Ne5 {[%emt 0:00:32] [#]} Bd6 $146 {[%emt 0:03:17]} ({Predecessor:} 16... Rd8 17. g4 Bd6 18. f4 Nd5 19. Rhe1 Bxe5 20. Rxe5 Nf6 21. Ree1 O-O 22. g5 hxg5 23. h6 g4 24. hxg7 Kxg7 25. f5 Rd5 26. Qe3 Rxf5 27. Qh6+ Kg8 28. Rh1 {1-0 (28) Kernazhitsky,L (2357)-Cherniakhovsky,P (2270) Kiev 2001}) 17. Qg3 {[%emt 0:10:30]} (17. f4 $16) 17... Kf8 {[%emt 0:07:54]} (17... Ne4 $1 $11 {remains equal.} 18. Qe3 (18. Qxg7 Bxe5 19. dxe5 O-O-O $17) 18... Nxd2+ 19. Rxd2 (19. Qxd2 c5 $11) 19... Rc8) 18. Bf4 {[%emt 0:02:52] &Bianco is much more active. The black rooks are badly placed.} (18. Bb4 $16 Kg8 19. Bxd6 Qxd6 20. Qd3) 18... Nd5 $2 {[%emt 0:04:44][%mdl 8192] [#]} (18... Kg8 $14) 19. Ng6+ $1 {[%emt 0:00:33][%mdl 512] Weighted Error Value: White=0.33/Black=1.81} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.17"]
[White "Bayona Ordonez, Andres David"]
[Black "Lopez Raygoza, Luis Alberto"]
[Result "1/2-1/2"]
[ECO "E91"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,133,57,51,83,81,72,83,107,29,54,43,41,29,48,30,55,20,22,0,16,0,25,-70,-73,-70,-66,-71,-69,-65,-17,-20,-17,-17,-17,-20,-20,-18,-28,-28,-6,-14,0,0,0,0,0,-18,-8,-4,0,-6,-15,0,0,-17,-8,-9,0,-17,-21,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,25,25,174,35,125,110,110,98,143,145,112,36,150,147,102,0,311,266,1837,1880,12841,12841,12844,12844,12845,0,0,0,0,0,0,0,0,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000,-28000]} 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:03:54]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:01:12]} 3. Nc3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:02]} 4. e4 {[%emt 0:00:20]} d6 {[%emt 0:00:04]} 5. Nf3 {[%emt 0:00:43]} Bg4 {[%emt 0:02:04]} 6. Be2 {[%emt 0:00:45]} O-O {[%emt 0:00:08]} 7. O-O {[%emt 0:00:13]} Nfd7 {[%emt 0:01:07]} 8. Be3 {[%emt 0:05:35]} e5 {[%emt 0:00:51]} 9. d5 {[%emt 0:02:17]} f5 {[%emt 0:02:18] E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4.} 10. Ng5 {[%emt 0:03:20]} Bxe2 {[%emt 0:00:10]} 11. Qxe2 {[%emt 0:00:23]} Nc5 {[%emt 0:00:06] White is better.} 12. f3 {[%emt 0:03:31] &Bianco is more active.} (12. exf5 $1 $16 gxf5 13. b4 (13. Qh5 h6 $16)) 12... a5 {[%emt 0:07:35]} 13. Bxc5 {[%emt 0:03:54]} Qxg5 {[%emt 0:00:05] [#]} 14. Bf2 $146 {[%emt 0:00:18]} ({Predecessor:} 14. Be3 f4 15. Bf2 b6 16. Nb5 Qe7 17. b3 Na6 18. a3 g5 19. Rab1 Kh8 20. b4 axb4 21. axb4 {1-0 (27) Pein,M (2450)-Giffard,N (2340) Cannes 1992}) 14... Na6 {[%emt 0:02:53]} 15. Nb5 {[%emt 0:05:59]} Bh6 {[%emt 0:04:15]} 16. Rac1 {[%emt 0:02:57]} b6 {[%emt 0:02:03]} 17. a3 {[%emt 0:04:58]} Qh5 {[%emt 0:12:19]} 18. Rc2 {[%emt 0:07:39]} Rf7 {[%emt 0:04:11]} 19. g4 {[%emt 0:10:55]} ({Better is} 19. exf5 $11 gxf5 20. b4) 19... Qh3 $1 $15 {[%emt 0:03:07]} 20. gxf5 {[%emt 0:02:00]} gxf5 {[%emt 0:03:00]} 21. Kh1 $1 {[%emt 0:01:36][%cal Of2b6]} Kh8 {[%emt 0:04:10] Strongly threatening ...fxe4.} 22. Rg1 $1 {[%emt 0:03:12]} fxe4 {[%emt 0:06:30]} (22... Bf4 $15 23. Bg3 fxe4 24. Bxf4 Rxf4 25. fxe4 Rg8 26. Rxg8+ Kxg8 27. Qg2+ Qxg2+ 28. Rxg2+ Kf7) 23. fxe4 $11 {[%emt 0:01:47]} ({Much weaker is} 23. Rg3 exf3 $1 24. Rxh3 fxe2 25. Rxe2 Bc1 $17) 23... Bf4 {[%emt 0:03:58][%csl Gf4][%cal Rh3h2]} 24. Rg2 {[%emt 0:07:08]} Rg7 {[%emt 0:03:57][%csl Gg7][%cal Rh3g2]} 25. Bg1 $1 {[%emt 0:03:21]} Rag8 {[%emt 0:00:42]} 26. Rxg7 {[%emt 0:03:31]} Rxg7 {[%emt 0:00:06]} 27. Rc3 {[%emt 0:00:46]} Qh4 {[%emt 0:00:23]} (27... Qh6 $5 {[%cal Rh6g6]}) 28. Rf3 $1 {[%emt 0:02:22]} h6 {[%emt 0:09:53]} 29. Qf1 {[%emt 0:05:59]} Kh7 {[%emt 0:16:12]} 30. Qh3 {[%emt 0:03:50]} Qg5 {[%emt 0:00:28][%csl Gg7][%cal Rg5g1]} 31. Rf1 {[%emt 0:03:36]} Qg6 {[%emt 0:02:00]} 32. Qf3 $1 {[%emt 0:02:52]} Qg5 {[%emt 0:01:33]} 33. Qh3 {[%emt 0:01:11]} Nc5 {[%emt 0:02:31]} 34. Bxc5 {[%emt 0:03:35]} bxc5 {[%emt 0:00:01]} 35. Nc3 {[%emt 0:01:05]} Be3 {[%emt 0:00:44][%cal Og5g1] ( -> ...Qg1+!)} 36. Ne2 {[%emt 0:00:50] Prevents Qg1+.} Qg4 {[%emt 0:03:02]} 37. Qxg4 {[%emt 0:01:47]} Rxg4 {[%emt 0:00:02][%mdl 4096] Endgame KRB-KRN} 38. Ng3 {[%emt 0:02:03]} a4 {[%emt 0:00:52] aiming for ...Bd4.} 39. Kg2 {[%emt 0:00:51] Hoping for Kf3.} Bd4 {[%emt 0:00:22]} 40. Rf7+ {[%emt 0:00:37]} Rg7 $1 {[%emt 0:00:01]} 41. Rf8 {[%emt 0:00:48]} ({Not} 41. Rxg7+ $2 Kxg7 42. Kh3 (42. Nf5+ $2 Kg6 $19) 42... Bxb2 $19) 41... Bxb2 {[%emt 0:01:16]} 42. Ra8 {[%emt 0:00:04]} Bxa3 {[%emt 0:00:02]} 43. Rxa4 {[%emt 0:00:05]} Bc1 {[%emt 0:00:05]} 44. Kf3 {[%emt 0:00:39]} Bf4 {[%emt 0:00:02]} 45. Nf5 {[%emt 0:01:36]} Rg1 {[%emt 0:01:48]} 46. Ra7 {[%emt 0:00:10][%csl LRc7,LRd6]} Rf1+ {[%emt 0:00:01]} (46... Rd1 $11 {and Black stays safe.}) 47. Kg2 {[%emt 0:00:35]} ({Only move:} 47. Ke2 $1 $18 {[%cal Re2f1]} Rc1 48. Rxc7+ Kg6 49. Nxd6) 47... Rc1 {[%emt 0:00:43]} (47... Rd1 $14) 48. Nxd6 $16 {[%emt 0:00:19]} Rc2+ {[%emt 0:00:14]} 49. Kf3 {[%emt 0:00:16]} Rxh2 {[%emt 0:00:35]} 50. Rxc7+ {[%emt 0:00:14]} Kg6 {[%emt 0:00:01]} 51. Nf5 {[%emt 0:00:31]} (51. Rxc5 $16 {And now Rc8 would win.} Rd2 52. Rb5) 51... h5 {[%emt 0:00:31]} (51... Rd2 $14) 52. Rxc5 {[%emt 0:00:21] Rc6+ is the strong threat.} Rh3+ {[%emt 0:00:31] [#]} 53. Kg2 {[%emt 0:00:35]} (53. Ke2 $1 $16) 53... Rd3 $2 {[%emt 0:00:13][%mdl 8192]} (53... Rh2+ $11 {and Black is okay.} 54. Kf3 Rh3+ 55. Ke2 h4) 54. d6 {[%emt 0:01:22] Threatens to win with Rd5.} Kg5 $2 {[%emt 0:00:11]} (54... Rd2+ 55. Kf3 Rd3+ 56. Ke2 Rd2+ 57. Kf3 Rd3+ 58. Ke2 Rd2+ 59. Kf3) 55. Rd5 $18 {[%emt 0:00:16]} Rxd5 {[%emt 0:00:37]} 56. cxd5 {[%emt 0:00:05] White wants to mate with d7. KB-KN} Bd2 {[%emt 0:00:29]} 57. d7 {[%emt 0:01:29]} Ba5 {[%emt 0:00:04]} 58. Ne7 $2 {[%emt 0:00:31]} (58. Kf3 $18 Kf6 59. Nd6) 58... Kf4 $1 $11 {[%emt 0:00:16]} 59. Nc6 {[%emt 0:00:31]} Bb6 {[%emt 0:00:01]} 60. d6 {[%emt 0:01:26]} Kxe4 {[%emt 0:00:17]} 61. d8=Q Bxd8 {[%emt 0:00:01]} 62. Nxd8 $2 {[%emt 0:00:28][%mdl 8192] [#] KN-KPP} (62. d7 $11 Bg5 63. d8=Q Bxd8 64. Nxd8) 62... Kd5 $1 {[%emt 0:00:05] Mate.} 63. Nf7 {[%emt 0:00:21]} Ke6 {[%emt 0:00:07]} 64. Nxe5 {[%emt 0:00:21]} Kxd6 {[%emt 0:00:04]} 65. Ng6 {[%emt 0:00:08]} h4 {[%emt 0:00:05]} 66. Nxh4 {[%emt 0:00:10]} Kd5 {[%emt 0:06:20]} 67. Kf3 {[%mdl 32768] Weighted Error Value: White=0.23 (precise) /Black=0.33. An unexpected result.} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.18"]
[White "Flores Guerrero, Jesus Aldair"]
[Black "Garduno Huerta, Joshua Emiliano"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2251"]
[BlackElo "1622"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,153,-23,-14,-15,-14,-15,-13,-18,-16,-21,2,0,0,0,0,0,0,2,16,10,26,27,27,21,38,27,29,29,65,65,65,61,61,61,65,61,65,65,65,65,120,61,61,61,61,61,61,61,61,61,61,61,61,0,61,61,61,61,62,61,61,61,61,61,61,61,141,141,141,141,141,141,148,148,148,155,178,148,148,141,141,141,129,129,106,0,130,129,141,132,221,177,312,317,331,312,339,284,381,380,350,347,355,323,447,458,712,686,603,673,669,612,673,684,748,753,1140,977,1509,1468,1500,1419,2122,2179,745,222,2166,1136,1551,1453,5089,2837,29978,29979,29979,29980,29981,29981,29984,29985,29986,29987,29987,29988,29989,29990]} 1. f4 {[%emt 0:01:55]} d5 {[%emt 0:00:58]} 2. Nf3 {[%emt 0:00:57]} Nf6 {[%emt 0:01:05]} 3. e3 {[%emt 0:00:43]} Bf5 {[%emt 0:01:11]} 4. d4 {[%emt 0:02:31]} e6 {[%emt 0:00:34]} 5. Bd3 {[%emt 0:00:22]} Bg6 {[%emt 0:00:27]} 6. O-O {[%emt 0:01:07] D00: 1 d4 d5: Unusual lines.} c5 {[%emt 0:01:01]} 7. c3 {[%emt 0:00:13]} Be7 {[%emt 0:01:22]} 8. Ne5 {[%emt 0:00:32] The position is equal.} Bxd3 {[%emt 0:01:13]} 9. Qxd3 {[%emt 0:01:37] [#]} Ne4 $146 {[%emt 0:00:44]} ({Predecessor:} 9... O-O 10. Nd2 Nbd7 11. Rf3 Nxe5 12. dxe5 c4 13. Qc2 Nd7 14. Rh3 g6 15. e4 Qb6+ {0-1 (41) Eremeenko,V (1956)-Kutepov,D (2084) Anapa 2008}) 10. Qb5+ {[%emt 0:03:04]} Nc6 {[%emt 0:06:04]} 11. Nxc6 {[%emt 0:04:01]} Qd7 {[%emt 0:00:25][%mdl 64] [#] Pin} 12. Nxa7 {[%emt 0:00:11]} Rxa7 {[%emt 0:00:08]} 13. Qxd7+ {[%emt 0:03:00]} Kxd7 {[%emt 0:00:03]} 14. Nd2 {[%emt 0:00:06]} Nxd2 {[%emt 0:02:59]} 15. Bxd2 {[%emt 0:00:07]} b5 {[%emt 0:08:13]} 16. a3 {[%emt 0:01:44]} Rha8 {[%emt 0:00:58][%cal Ob5b4]} 17. dxc5 {[%emt 0:02:39]} Bxc5 {[%emt 0:00:13]} 18. g4 {[%emt 0:00:36]} f5 {[%emt 0:08:26]} 19. gxf5 {[%emt 0:06:45]} exf5 {[%emt 0:01:39]} 20. Kf2 {[%emt 0:00:04]} Re8 {[%emt 0:09:12]} 21. Ke2 {[%emt 0:04:36]} Kc6 {[%emt 0:17:58]} 22. Kd3 {[%emt 0:00:12]} Kd6 {[%emt 0:02:06]} 23. Rf3 {[%emt 0:00:17]} Ke6 {[%emt 0:03:18]} 24. Rg1 {[%emt 0:00:11]} Kd6 {[%emt 0:01:12]} (24... Kf6 $14) 25. h4 {[%emt 0:00:19]} ({White should play} 25. Rh3 $16) 25... Ke6 {[%emt 0:01:17]} 26. Rfg3 {[%emt 0:04:47]} Rg8 {[%emt 0:01:26]} 27. Rg5 {[%emt 0:07:15]} Rf7 {[%emt 0:01:42]} 28. Be1 {[%emt 0:02:02]} Be7 {[%emt 0:06:46]} 29. R5g2 {[%emt 0:00:29]} Bc5 {[%emt 0:00:12]} 30. Rg3 {[%emt 0:02:48]} Be7 {[%emt 0:00:57]} 31. R3g2 {[%emt 0:01:24]} Bc5 {[%emt 0:00:08]} 32. Ke2 {[%emt 0:00:06]} Be7 {[%emt 0:01:40]} 33. Bf2 {[%emt 0:01:21]} Bd6 {[%emt 0:00:33]} 34. Kd2 {[%emt 0:00:50]} Be7 {[%emt 0:02:05]} 35. Kc2 {[%emt 0:00:10]} Bf6 {[%emt 0:02:59]} 36. Rh2 {[%emt 0:08:38]} Rc8 {[%emt 0:02:26]} 37. h5 {[%emt 0:01:21]} Kd6 {[%emt 0:03:18]} ({Black should try} 37... Be7 $14) 38. Bh4 $16 {[%emt 0:00:54]} Bxh4 {[%emt 0:00:08]} 39. Rxh4 {[%emt 0:00:13][%mdl 4096] Endgame KRR-KRR} Re8 {[%emt 0:00:29]} 40. Rh3 {[%emt 0:00:29]} Rfe7 {[%emt 0:00:08]} 41. Rhg3 {[%emt 0:01:39]} Rg8 {[%emt 0:00:46]} 42. Rg5 {[%emt 0:01:54]} Rf7 {[%emt 0:00:15]} 43. Kb3 {[%emt 0:02:41]} Kc5 {[%emt 0:00:11]} 44. Rd1 {[%emt 0:03:50]} Re8 {[%emt 0:00:58]} 45. Rd3 {[%emt 0:01:10]} Re6 {[%emt 0:04:09]} 46. Rg1 {[%emt 0:01:27]} Rh6 {[%emt 0:00:29]} 47. Rg5 {[%emt 0:01:07]} Re6 {[%emt 0:00:26]} 48. Kc2 {[%emt 0:00:09] White leaves nothing to chance now.} Ra6 {[%emt 0:06:10]} 49. Rd4 {[%emt 0:01:17]} Ra8 {[%emt 0:01:48] [#]} (49... Re6 $16 {is a better defense.}) 50. e4 $1 $18 {[%emt 0:00:43]} fxe4 {[%emt 0:01:02]} (50... dxe4 $142 51. Rxe4 Rd8 52. Re5+ Rd5) 51. Rdxd5+ {[%emt 0:07:40]} Kc6 {[%emt 0:00:01]} 52. Rc5+ {[%emt 0:00:11]} (52. Rxb5 Rxf4 53. Rbc5+ Kd6 $18) 52... Kd6 {[%emt 0:00:44]} 53. Rcf5 {[%emt 0:05:48]} ({Don't do} 53. Rxb5 Rxf4 54. Rxg7 Rf2+ 55. Kd1 e3 $18) 53... Raf8 {[%emt 0:01:00]} 54. Rxf7 {[%emt 0:04:47]} Rxf7 {[%emt 0:00:01] KR-KR} 55. Kd2 {[%emt 0:00:06]} (55. Rxb5 Rxf4 56. Kd2 Kc6 $18) 55... Rxf4 {[%emt 0:01:21]} 56. Ke3 {[%emt 0:00:27] Inhibits Rf2.} ({Not} 56. Rxb5 Kc6 57. Ke3 Rf1 $18) ({Weaker is} 56. Rxg7 Rf2+ 57. Ke3 Rxb2 $16) 56... Rh4 {[%emt 0:00:19]} 57. Rxb5 {[%emt 0:00:09]} Kc6 {[%emt 0:00:01]} (57... g6 $142 58. hxg6 hxg6) 58. a4 {[%emt 0:02:39]} Rh3+ {[%emt 0:01:03]} 59. Kxe4 {[%emt 0:02:24]} Rh4+ {[%emt 0:00:01]} 60. Kd3 {[%emt 0:00:17]} Rxa4 {[%emt 0:00:07]} 61. Rg5 {[%emt 0:01:05]} Rh4 {[%emt 0:00:09]} 62. b4 {[%emt 0:00:11]} Kb6 {[%emt 0:00:53]} 63. Kc2 {[%emt 0:00:10] And now Kb3 would win.} Rh2+ {[%emt 0:00:57]} 64. Kb3 {[%emt 0:00:15]} Rh1 {[%emt 0:00:06]} 65. Rxg7 {[%emt 0:02:38]} Rxh5 {[%emt 0:00:20]} 66. c4 {[%emt 0:00:11]} Rh1 {[%emt 0:00:31]} 67. c5+ $2 {[%emt 0:00:49]} (67. Re7 Rb1+ 68. Kc3) 67... Kb5 $2 {[%emt 0:00:08]} (67... Kc6 68. Rg8 Rb1+ 69. Kc4 Rc1+ 70. Kb3 Rb1+ 71. Kc3 Rc1+ 72. Kd2 Rb1) 68. Rb7+ {[%emt 0:00:06]} Kc6 {[%emt 0:00:16]} 69. Rb6+ {[%emt 0:00:15]} Kc7 {[%emt 0:00:01]} 70. Kc4 {[%emt 0:00:13] aiming for Ra6.} h5 {[%emt 0:00:55]} 71. Kb5 {[%emt 0:00:22] White mates.} Rg1 {[%emt 0:01:05]} 72. Rh6 {[%emt 0:00:16]} Rg5 {[%emt 0:00:01]} 73. Rh7+ {[%emt 0:00:16]} Kc8 {[%emt 0:00:14]} 74. Kb6 {[%emt 0:00:14]} Rg4 {[%emt 0:00:29]} 75. b5 {[%emt 0:00:13]} h4 {[%emt 0:01:02]} 76. c6 {[%emt 0:00:09]} Rg8 {[%emt 0:00:21]} 77. Ra7 {[%emt 0:00:35] Weighted Error Value: White=0.06 (flawless) /Black=0.16 (very precise)} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.19"]
[White "Paredes Guzman, Francisco Javier"]
[Black "Fernandez Hernandez, Arturo A."]
[Result "0-1"]
[ECO "A96"]
[WhiteElo "1891"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,124,43,43,62,63,61,50,54,59,50,49,35,51,43,76,47,66,6,42,44,74,77,79,10,52,51,75,80,71,83,93,46,55,58,67,52,46,48,44,42,101,81,95,29,42,0,0,-45,-60,-65,0,-5,0,0,0,0,0,0,0,0,0,0,0,9,16,0,0,0,4,-16,0,0,0,0,0,0,0,-5,14,-8,15,16,17,20,49,-95,-95,-95,-95,-95,-95,-100,-92,-109,-116,-109,-111,-117,-115,-115,-112,-139,-132,-132,-132,-175,-167,-29979,-29980,-29980,-29981,-29980,-29981]} 1. d4 {[%emt 0:00:10]} f5 {[%emt 0:00:57]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:00:15]} 3. Nf3 {[%emt 0:00:14]} Be7 {[%emt 0:00:09]} 4. Nc3 {[%emt 1:31:58]} Nf6 {[%emt 0:00:07]} 5. g3 {[%emt 0:00:00]} O-O {[%emt 0:00:09]} 6. Bg2 {[%emt 0:00:00]} d6 {[%emt 0:00:06]} 7. O-O {[%emt 0:00:00]} Ne4 {[%emt 0:00:04]} 8. Nxe4 {[%emt 0:00:00] A96: Classical Dutch: Fluid Systems: Early deviations.} fxe4 {[%emt 0:00:07]} 9. Nd2 {[%emt 0:00:00]} d5 {[%emt 0:00:19]} 10. f3 {[%emt 0:00:00] White is slightly better.} exf3 {[%emt 0:03:23]} 11. Nxf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:28]} 12. b3 {[%emt 0:00:00]} Bf6 {[%emt 0:16:45]} 13. Bb2 {[%emt 0:00:00]} Bd7 {[%emt 0:00:41] [#]} 14. Qd3 $146 {[%emt 0:00:00]} ({Predecessor:} 14. Qd2 Qe7 15. a4 Rfd8 16. Kh1 Be8 17. Ba3 Qd7 18. Ne5 Nxe5 19. dxe5 Be7 20. Bxe7 Qxe7 21. cxd5 {0-1 (59) Tejkal,J (1964)-Pekar,V (2157) Litomysl 2012}) 14... Be8 {[%emt 0:17:08]} 15. Bh3 {[%emt 0:00:00]} (15. Ne5 $14) 15... Bf7 {[%emt 0:08:17]} (15... Qe7 {looks sharper.} 16. cxd5 exd5 17. Ne5 Rd8) 16. e4 {[%emt 0:00:00]} dxe4 {[%emt 0:06:37]} 17. Qxe4 {[%emt 0:00:00]} Qd6 {[%emt 0:00:55]} 18. a3 {[%emt 0:00:00]} (18. Qe3 $16) 18... Rae8 {[%emt 0:05:08]} 19. Rad1 {[%emt 0:00:00]} Na5 {[%emt 0:03:45]} 20. Bc3 {[%emt 0:00:00]} Nc6 {[%emt 0:10:06]} 21. b4 $1 {[%emt 0:00:00]} a6 {[%emt 0:13:30]} 22. Ne5 {[%emt 0:00:00]} (22. Rd2 $16) 22... Bxe5 $14 {[%emt 0:01:00]} 23. dxe5 {[%emt 0:00:00]} Qe7 {[%emt 0:00:05]} 24. Qe3 {[%emt 0:00:00]} Bh5 {[%emt 0:02:17]} 25. Rd2 {[%emt 0:00:28]} (25. Rd3 {is interesting.} Rd8 26. Rxf8+ Kxf8 27. Rxd8+ Nxd8 28. Bf1) 25... Rxf1+ {[%emt 0:03:11]} 26. Bxf1 {[%emt 0:00:05]} Nd8 {[%emt 0:00:22]} ({Black should play} 26... Rd8 $14) 27. Bg2 $16 {[%emt 0:00:20]} c6 {[%emt 0:02:23]} 28. a4 {[%emt 0:03:40]} ({White should try} 28. Bd4 $16) 28... Nf7 $11 {[%emt 0:00:55]} 29. b5 {[%emt 0:01:32]} Qa3 {[%emt 0:01:50] Threatens to win with ...Qc1+.} 30. bxc6 {[%emt 0:00:26]} Qc1+ {[%emt 0:00:10]} 31. Bf1 $1 {[%emt 0:00:08] [#]} (31. Kf2 $2 Nh6 32. Bf3 Rf8 $19) 31... bxc6 {[%emt 0:01:14]} (31... Ng5 $1 $15 32. Rd3 (32. Qxg5 $2 Rf8 $19) 32... Qb1) 32. Rd3 {[%emt 0:02:06]} Qc2 {[%emt 0:00:51]} 33. a5 $36 {[%emt 0:00:32][%mdl 2048] White is pushing.} Rf8 {[%emt 0:00:43][%cal Of7g5]} 34. Rd2 {[%emt 0:01:15]} Qc1 {[%emt 0:01:00][%cal Of7e5]} 35. Rd3 {[%emt 0:01:50]} Qb1 {[%emt 0:00:21][%cal Of7e5] aiming for ...Nxe5!} 36. Qb6 {[%emt 0:01:01]} Qc2 {[%emt 0:01:15] And now ...Ng5 would win.} 37. Qb2 {[%emt 0:00:56]} Qa4 {[%emt 0:00:39]} 38. Qb4 {[%emt 0:00:31]} Qc2 {[%emt 0:01:18]} 39. Qb2 {[%emt 0:00:16]} (39. Rd2 {keeps more tension.} Qc1 40. Qb2 Qe1 41. Rf2) 39... Qxb2 {[%emt 0:00:07]} 40. Bxb2 {[%emt 0:00:05]} Rb8 {[%emt 0:00:14] Inhibits Rb3.} 41. Rd2 {[%emt 0:00:48]} c5 {[%emt 0:00:23]} 42. h4 {[%emt 0:00:49]} Rb3 {[%emt 0:00:52]} 43. Bh3 {[%emt 0:01:26]} Rxg3+ {[%emt 0:00:24]} 44. Kh2 {[%emt 0:00:05]} Rg6 {[%emt 0:00:14]} 45. Rd7 {[%emt 0:00:17]} Be2 {[%emt 0:00:49]} 46. Rc7 {[%emt 0:00:32]} h5 {[%emt 0:00:22]} (46... Nh6 $5 {[%cal Re2c4]}) 47. Rxc5 {[%emt 0:00:38] Strongly threatening Rc8+.} Nh6 $1 {[%emt 0:00:41] White must now prevent ...Ng4+.} 48. Bc1 {[%emt 0:00:29]} Ng4+ {[%emt 0:00:15]} 49. Bxg4 {[%emt 0:00:05]} (49. Kg1 $14 {keeps the upper hand.} Nxe5+ 50. Bg5 Nxc4 51. Bg2) 49... Rxg4 $14 {[%emt 0:02:09][%mdl 4096] Endgame KRB-KRB} 50. Bg5 {[%emt 0:00:37]} Bxc4 {[%emt 0:00:00]} ({Reject} 50... Rxc4 $6 51. Rxc4 Bxc4 52. Kg3 $11) 51. Rc8+ {[%emt 0:00:50]} Kh7 {[%emt 0:00:00]} 52. Rf8 {[%emt 0:00:17]} Bd5 {[%emt 0:00:00]} 53. Rf2 {[%emt 0:00:46]} Ra4 {[%emt 0:00:00]} 54. Bd8 {[%emt 0:01:10]} Re4 {[%emt 0:00:00]} 55. Rf7 {[%emt 0:00:20]} Kg6 {[%emt 0:00:27] ...Re2+ is the strong threat.} 56. Ra7 {[%emt 0:00:12]} Bc4 {[%emt 0:00:07]} ({Worse is} 56... Rxe5 57. Rxa6 Re2+ 58. Kg1 $15) 57. Be7 {[%emt 0:00:17]} Kf5 {[%emt 0:00:43]} 58. Bd8 {[%emt 0:00:50]} g6 {[%emt 0:00:43]} 59. Bf6 {[%emt 0:00:56]} Kg4 {[%emt 0:00:12] ( -> ...Re2+)} 60. Rc7 $2 {[%emt 0:00:17] [#]} (60. Rg7 $19) 60... Re2+ $1 {[%emt 0:00:26] Black mates.} 61. Kg1 {[%emt 0:00:11] [#]} Kg3 $1 {[%emt 0:00:07][%cal Re2e1]} 62. Kf1 {[%emt 0:00:04]} Re4+ {[%emt 0:00:05] Weighted Error Value: White=0.29 (precise) /Black=0.08 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.20"]
[White "Amezcua Luria, Jesus"]
[Black "Maass Garza R, Alejandro"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "2001"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,48,12,8,4,24,15,15,16,17,29,42,35,72,63,70,62,117,116,115,85,98,37,44,37,82,82,80,70,112,114,101,87,85,-911,-900]} 1. d4 {[%emt 0:07:59]} Nf6 {[%emt 0:00:32]} 2. c4 {[%emt 0:00:12]} d5 {[%emt 0:00:38]} 3. Nc3 {[%emt 0:00:24]} g6 {[%emt 0:00:30]} 4. Bf4 {[%emt 0:00:27]} c6 {[%emt 0:00:28]} 5. Nf3 {[%emt 0:01:12]} Bg7 {[%emt 0:00:11]} 6. e3 {[%emt 0:01:22]} O-O {[%emt 0:00:35]} 7. Be2 {[%emt 0:02:40][%cal Bf1e2,Be2c4,Bc4b3][%mdl 32]} dxc4 {[%emt 0:07:05]} 8. Bxc4 {[%emt 0:01:43]} Nbd7 {[%emt 0:02:04][%cal Bb8d7,Bd7b6,Bb6d5,Bd5c3][%mdl 32]} 9. h3 {[%emt 0:01:09] D93: Grünfeld: 4 Nf3 Bg7 5 Bf4 0-0 6 e3.} Nb6 {[%emt 0:04:24]} 10. Bb3 {[%emt 0:00:53]} Nbd5 {[%emt 0:02:09]} 11. Bh2 {[%emt 0:00:20] The position is equal.} Nxc3 {[%emt 0:00:41]} 12. bxc3 {[%emt 0:00:08]} Qa5 {[%emt 0:00:50]} 13. Rc1 {[%emt 0:01:05]} Ne4 {[%emt 0:19:09]} 14. O-O {[%emt 0:00:43]} Qh5 {[%emt 0:01:39]} 15. Ne5 {[%emt 0:03:16] [#]} Qg5 $146 {[%emt 0:10:15]} ({Better is} 15... Qxd1 $14 16. Rfxd1 Bh6) ({Predecessor:} 15... Qh4 16. Qe2 a5 17. a4 b5 18. axb5 cxb5 19. Bd5 Bxe5 20. Bxe5 Be6 21. g3 Qxh3 22. Bxe4 {1-0 (41) Inkiov,V (2445)-Drose,D (2010) Paderborn 2015}) 16. Bf4 $16 {[%emt 0:02:05]} Qh4 {[%emt 0:01:03]} 17. Nf3 {[%emt 0:08:53]} Qh5 {[%emt 0:00:18]} 18. Nd2 {[%emt 0:01:14]} (18. Qc2 $16 Bf5 19. Qd1) 18... Nxd2 {[%emt 0:03:24]} 19. Qxd2 {[%emt 0:00:10]} g5 {[%emt 0:11:03]} 20. Bg3 {[%emt 0:13:03]} Qg6 {[%emt 0:03:48]} 21. Rce1 {[%emt 0:09:45]} g4 {[%emt 0:06:51]} 22. hxg4 {[%emt 0:07:17]} Bxg4 {[%emt 0:00:57]} 23. e4 {[%emt 0:06:50] Prevents Bf5.} Bh6 {[%emt 0:00:46]} 24. Bf4 {[%emt 0:00:12][%mdl 8192] [#]} (24. f4 $16) 24... Bf3 $1 {[%emt 0:00:11] Weighted Error Value: White=0.60/Black=0.13 (very precise)} ({Not} 24... Bh3 25. g3 Bxf4 26. Qxf4 $17) 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.21"]
[White "Ramirez Esqueda, Edson Oswaldo"]
[Black "Avila Rodriguez, Joshua Ad"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1931"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,84,23,13,0,0,12,2,24,13,8,14,19,20,18,21,4,22,12,22,21,25,14,62,60,65,-27,0,0,120,32,57,56,97,104,98,67,85,79,150,68,68,0,-14,-179,-176,-165,-164,-166,-116,-111,-89,-116,-103,-209,-204,-404,-237,-698,-41,-38,-23,-968,-961,-873,-865]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:36]} 2. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:06]} 6. f3 {[%emt 0:00:14]} e5 {[%emt 0:00:13]} 7. Nb3 {[%emt 0:00:07]} Be7 {[%emt 0:00:07]} 8. Be3 {[%emt 0:00:05]} Be6 {[%emt 0:00:11]} 9. Qd2 {[%emt 0:00:09]} h5 {[%emt 0:00:07]} 10. O-O-O {[%emt 0:00:19]} Nbd7 {[%emt 0:00:06]} 11. Kb1 {[%emt 0:05:02]} Rc8 $1 {[%emt 0:00:34][%mdl 4] is now more promising than 11...b5.} 12. Nd5 {[%emt 0:00:27] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nxd5 {[%emt 0:02:51]} 13. exd5 {[%emt 0:00:10]} Bf5 {[%emt 0:00:03]} 14. Bd3 {[%emt 0:00:29] The position is equal.} Bxd3 {[%emt 0:00:07]} 15. Qxd3 {[%emt 0:00:06]} Bg5 {[%emt 0:00:06]} 16. Bf2 {[%emt 0:02:17]} O-O {[%emt 0:49:44]} 17. h4 {[%emt 0:03:51]} Bh6 {[%emt 0:02:48]} 18. g4 $1 {[%emt 0:00:54]} Bf4 {[%emt 0:00:06] [#]} 19. Rhg1 $146 {[%emt 0:02:37]} ({Predecessor:} 19. Nd2 Bxd2 20. Rxd2 Nf6 21. Be3 e4 22. fxe4 Nxg4 23. Bd4 Qe7 24. Qf3 {0-1 (38) Maidel,A (2347)-Aveskulov,V (2529) Chess.com INT 2017}) 19... hxg4 {[%emt 0:10:54]} 20. Rxg4 {[%emt 0:02:23] Black must now prevent Rdg1.} f5 {[%emt 0:00:55]} 21. Rg2 {[%emt 0:00:56]} b5 {[%emt 0:05:52]} (21... Bh6 $11 {is more appropriate.}) 22. Rdg1 $14 {[%emt 0:03:39]} Rf7 {[%emt 0:00:06]} 23. Rg6 {[%emt 0:02:55]} (23. h5 $14) 23... Nf8 {[%emt 0:00:22]} (23... e4 $5 {[%cal Re4d3]} 24. Qd1 (24. fxe4 $2 Ne5 $17) 24... Ne5 $11) 24. R6g2 {[%emt 0:00:07]} Qf6 {[%emt 0:01:49]} (24... Nd7 $11 {remains equal.}) 25. Be1 {[%emt 0:06:05]} (25. Na5 $1 $16) 25... Re8 {[%emt 0:00:45]} 26. Qc3 {[%emt 0:01:42]} Ree7 {[%emt 0:05:30]} 27. Na5 {[%emt 0:05:32]} ({Much weaker is} 27. Qc8 Be3 $11) 27... Qh6 {[%emt 0:02:56]} 28. Nc6 {[%emt 0:03:47]} Re8 $1 {[%emt 0:00:05]} 29. Bf2 {[%emt 0:00:43] Inhibits Be3.} Bd2 {[%emt 0:04:18]} (29... Qh5 $142) 30. Qd3 {[%emt 0:01:13]} (30. Qa3 $16) 30... e4 $1 {[%emt 0:00:54]} 31. fxe4 {[%emt 0:01:08]} (31. Qe2 $1 $14 e3 32. Be1 Bxe1 33. Qxe1) 31... fxe4 $11 {[%emt 0:00:09]} 32. Qd4 {[%emt 0:00:13]} (32. Qe2 $1 $11 e3 33. Be1 Bxe1 34. Qxe1) 32... e3 $1 $19 {[%emt 0:01:19]} 33. Be1 {[%emt 0:00:53]} Bxe1 {[%emt 0:01:03]} 34. Rxe1 {[%emt 0:00:07]} e2 {[%emt 0:00:08]} ({Black should play} 34... Ng6 $19 35. Rge2 Nxh4) 35. Rgg1 $17 {[%emt 0:04:29]} Qh5 $40 {[%emt 0:08:25][%mdl 128] Black has strong attack.} 36. Rg5 {[%emt 0:04:58]} Qf3 {[%emt 0:01:24] Threatens to win with ...Re4.} 37. b3 {[%emt 0:00:43]} (37. a3 $17) 37... Re4 $19 {[%emt 0:00:31]} 38. Qg1 {[%emt 0:02:53]} (38. Qd2 {is the only way for White.}) 38... Qf1 {[%emt 0:01:41]} (38... Qc3 $142 39. Nd4 Rxd4 40. Rxe2 Rxh4) 39. Nd8 $2 {[%emt 0:01:44] [#]} ({Wrong is} 39. Rxg7+ $2 Rxg7 40. Rxf1 Rf4 $3 {[%mdl 512]} 41. Qxg7+ (41. Ne7+ $2 Kh8 $19) 41... Kxg7 42. Rxf4 (42. Rg1+ $2 Kf6 $19) 42... e1=Q+ 43. Kb2 Nd7 $19) (39. Kb2 Qf6+ 40. c3) 39... Qxg1 $2 {[%emt 0:00:22]} (39... Qxe1+ $1 $19 {[%mdl 512]} 40. Qxe1 Rf1) 40. Rgxg1 $15 {[%emt 0:00:09]} Rf5 {[%emt 0:00:27][%cal Of8g6] ...Ng6! is the strong threat.} (40... Rf2 $5 {[%cal Re4f4]} 41. Kc1 Rxh4 $15) 41. Rg5 {[%emt 0:02:40][%mdl 8192] Against Ng6} (41. Kc1 $11) 41... Rf1 $19 {[%emt 0:00:14]} 42. Rg1 {[%emt 0:00:07]} Rxg1 {[%emt 0:00:06] Weighted Error Value: White=0.71/Black=0.37} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.22"]
[White "De Loera Torres, Naxhelli Stella"]
[Black "Luna Javier, Edgar Froylan"]
[Result "0-1"]
[ECO "D80"]
[WhiteElo "1556"]
[BlackElo "2148"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,36,0,0,-14,-14,-14,-3,-14,-14,-14,0,-2,-2,0,-12,-66,-23,-33,-31,-619,-613,-562,-596,-858,-851,-976,-968,-29998,-29999]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:08][%cal Bg8f6,Bf6d5,Bd5c3][%mdl 32]} 2. c4 {[%emt 0:00:07]} g6 {[%emt 0:00:19]} 3. Nc3 {[%emt 0:00:13]} d5 {[%emt 0:00:07]} 4. h4 {[%emt 0:00:17]} c5 {[%emt 0:03:01]} 5. cxd5 {[%emt 0:02:02]} Nxd5 {[%emt 0:00:54]} 6. dxc5 {[%emt 0:01:42] D80: Grünfeld: Unusual White 4th moves and 4 Bg5.} Nxc3 {[%emt 0:00:18][%csl Gc3][%cal Rd8d1] [#]} 7. Qxd8+ {[%emt 0:00:16]} Kxd8 {[%emt 0:00:02]} 8. bxc3 {[%emt 0:00:13] The position is equal.} Bg7 {[%emt 0:00:14]} 9. Bd2 {[%emt 0:01:35]} Na6 {[%emt 0:09:07]} (9... Nd7 $5 {[%cal Rd7c5]}) 10. O-O-O {[%emt 0:04:48] [#] Threatens to win with Bh6+.} Bd7 {[%emt 0:01:59]} 11. c6 {[%emt 0:01:26]} bxc6 {[%emt 0:00:09] [#]} 12. g4 $146 {[%emt 0:07:16]} (12. e4 $11 Nc5 13. f3) ({Predecessor:} 12. e4 Nc5 13. f3 Kc7 14. h5 Rab8 15. Bc4 f5 16. Re1 Rb6 17. Kc2 Rhb8 18. Bc1 {½-½ (28) Rice,P (2342)-Colucci,P (2241) ICCF email 2021}) 12... Kc7 {[%emt 0:01:21]} 13. g5 {[%emt 0:03:11]} Rab8 {[%emt 0:05:13] And now ...Bf5 would win.} 14. h5 $2 {[%emt 0:04:58][%mdl 8192] This move loses the game for White.} (14. Bh3 $15 Bxh3 15. Nxh3) 14... Bf5 $19 {[%emt 0:04:28][%csl Gf5][%cal Rb8b1]} 15. Bf4+ {[%emt 0:16:42]} e5 {[%emt 0:00:01] White must now prevent ...Rb1+.} 16. Bxe5+ {[%emt 0:02:59]} Bxe5 {[%emt 0:00:06]} 17. e4 {[%emt 0:00:27]} Bxe4 {[%emt 0:00:33] ( -> ...Bf4+)} 18. f3 {[%emt 0:00:56]} Bf4+ {[%emt 0:00:02] Weighted Error Value: White=1.34/Black=0.06 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.23"]
[White "Palma Villanueva, Miguel Ta"]
[Black "Flores Teillery, Alejandro Francisco "]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2210"]
[BlackElo "1879"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,90,0,3,-1,43,0,16,-23,-14,-11,0,-23,-11,-35,-37,-59,-55,-62,-60,-56,-35,-40,-29,-33,0,0,0,0,0,0,0,0,0,0,0,0,9,9,16,12,20,0,7,8,5,0,0,0,9,10,0,15,17,0,0,0,20,20,51,19,64,49,42,42,46,41,43,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:01:01]} 2. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:11]} 4. Nxd4 {[%emt 0:01:41]} Nf6 {[%emt 0:00:36]} 5. Nc3 {[%emt 0:00:04]} a6 {[%emt 0:01:08]} 6. Be2 {[%emt 0:00:06]} e5 {[%emt 0:01:00]} 7. Nb3 {[%emt 0:00:08]} Be7 {[%emt 0:00:23]} 8. O-O {[%emt 0:04:36]} O-O {[%emt 0:01:00]} 9. a4 {[%emt 0:02:41]} Nc6 {[%emt 0:03:09]} 10. Bf3 {[%emt 0:03:06] [#] B92: Sicilian Najdorf: 6 Be2.} Bd7 $146 {[%emt 0:03:39]} ({Predecessor:} 10... Nb4 11. Bg5 Be6 12. Re1 Rc8 13. Nd2 h6 14. Bh4 b5 15. axb5 axb5 16. Nf1 Nxc2 17. Qxc2 b4 18. Ne3 bxc3 19. bxc3 Qd7 20. Red1 Rc6 21. c4 Rfc8 22. Be2 Nh7 23. Bxe7 {½-½ (23) Kasimdzhanov,R (2652)-Nigmatov,O (2452) Tashkent 2019}) 11. Bg5 {[%emt 0:02:08]} Nb4 {[%emt 0:00:40]} 12. Ne2 {[%emt 0:12:34][%cal Bc3e2,Be2g3,Bg3f5,Bf5d6][%mdl 32]} Be6 {[%emt 0:02:30]} 13. Ng3 {[%emt 0:02:28]} g6 {[%emt 0:01:40]} 14. Qd2 {[%emt 0:03:29]} Nc6 {[%emt 0:03:18][%cal Bb4c6,Bc6d4,Bd4f3][%mdl 32]} 15. Bh6 {[%emt 0:10:35]} Re8 {[%emt 0:00:06]} 16. Nf5 {[%emt 0:00:07]} Bxb3 {[%emt 0:01:05]} 17. cxb3 {[%emt 0:00:13][%cal Of1d1]} Bf8 $1 {[%emt 0:00:15]} 18. Bxf8 {[%emt 0:08:25][%cal Od2h6] [#] And now Qh6! would win.} Rxf8 {[%emt 0:00:08]} 19. Nxd6 {[%emt 0:00:27]} Nd4 {[%emt 0:00:15]} 20. Nc4 {[%emt 0:00:03]} Nxf3+ {[%emt 0:08:49]} 21. gxf3 {[%emt 0:00:06]} Qxd2 {[%emt 0:00:32]} 22. Nxd2 {[%emt 0:00:02]} Rfd8 {[%emt 0:00:13]} 23. Nc4 {[%emt 0:06:09]} Rd3 $1 {[%emt 0:00:16][%csl LRb3,LRf3]} 24. Ra3 {[%emt 0:00:43]} Re8 {[%emt 0:08:02]} 25. Ne3 {[%emt 0:10:36]} Rc8 {[%emt 0:01:37]} 26. b4 {[%emt 0:05:10]} Rxa3 {[%emt 0:04:51]} 27. bxa3 $11 {[%emt 0:00:02][%mdl 4096] Endgame KRN-KRN} Rc3 {[%emt 0:00:08]} 28. a5 {[%emt 0:04:01]} Rxa3 {[%emt 0:01:09]} 29. Rb1 {[%emt 0:00:01] Prevents Rb3.} Nh5 {[%emt 0:09:25]} 30. Nc4 {[%emt 0:01:02][%csl LRa3,LRe5]} Rxf3 {[%emt 0:00:32]} 31. Nxe5 {[%emt 0:04:52]} Rc3 {[%emt 0:00:27]} 32. Nd7 {[%emt 0:00:05]} Rc7 {[%emt 0:00:19]} 33. Nc5 {[%emt 0:00:15]} Kf8 {[%emt 0:00:24]} 34. Rd1 {[%emt 0:00:29]} Ke7 $1 {[%emt 0:00:28] Against Rd6} 35. e5 {[%emt 0:00:26]} Nf4 {[%emt 0:03:33]} 36. Rd6 {[%emt 0:00:10]} Ne6 {[%emt 0:00:05]} 37. Nxe6 {[%emt 0:01:20]} fxe6 {[%emt 0:00:05] KR-KR} 38. Rb6 {[%emt 0:00:17]} h6 {[%emt 0:00:16]} 39. Kg2 {[%emt 0:00:23]} Kf7 {[%emt 0:01:48]} 40. Kg3 {[%emt 0:00:13]} g5 {[%emt 0:03:05]} 41. h4 {[%emt 0:02:06] [#] aiming for hxg5.} Rc3+ {[%emt 0:01:40]} 42. f3 {[%emt 0:00:06]} gxh4+ {[%emt 0:00:03] The position is equal.} 43. Kxh4 {[%emt 0:00:04] Kh5 is the strong threat.} Rxf3 {[%emt 0:00:13]} 44. Rxb7+ {[%emt 0:00:04]} Kg6 {[%emt 0:00:05]} 45. Re7 {[%emt 0:07:25]} Rf4+ {[%emt 0:00:56] Weighted Error Value: White=0.08 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.24"]
[White "Gongora Montes, Benjamin"]
[Black "Almendarez Verdin, Manuel Adan"]
[Result "1-0"]
[ECO "D97"]
[WhiteElo "2157"]
[BlackElo "1662"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,39,7,23,25,24,0,36,31,91,75,118,86,128,120,127,121,185,121,119,131,139,100,275,301,324,314,29993,934]} 1. d4 {[%emt 0:00:30]} Nf6 {[%emt 0:05:19]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:12]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:06]} 4. Nf3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:25]} 5. Qb3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:19]} 6. Qxc4 {[%emt 0:00:00]} O-O {[%emt 0:01:05]} 7. e4 {[%emt 0:00:06]} Nfd7 {[%emt 0:01:26]} 8. Bg5 {[%emt 0:04:19] D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4.} Nb6 {[%emt 0:00:10]} 9. Qb3 {[%emt 0:00:06] [#]} Nc6 $146 {[%emt 1:25:58]} ({Predecessor:} 9... h6 10. Be3 Kh7 11. Rd1 Bg4 12. Be2 Bxf3 13. gxf3 a5 14. h4 a4 15. Qc2 Nc6 16. Nb5 Rc8 {1-0 (35) Schuster,K (1854)-Schulz,M (2038) Bayern 2001}) 10. d5 {[%emt 0:01:54] White is slightly better.} Nb8 {[%emt 0:00:00]} (10... Ne5 $1 $14) 11. Rd1 $16 {[%emt 0:00:34]} h6 {[%emt 0:00:00]} 12. Bf4 {[%emt 0:01:07]} a5 {[%emt 0:00:00]} 13. Be2 $36 {[%emt 0:06:15][%mdl 2048] Black is under strong pressure. 0x0.002037565f53dp-1022s more active pieces.} a4 {[%emt 0:00:00]} 14. Qc2 {[%emt 0:00:21] Threatens to win with Nb5.} f5 {[%emt 0:00:00]} (14... Bg4 $16 {might work better.} 15. Nb5 Na6) 15. Be5 {[%emt 0:01:08]} ({White should try} 15. a3 $18) 15... Bxe5 {[%emt 0:00:00]} 16. Nxe5 {[%emt 0:00:11]} Qd6 {[%emt 0:00:00]} 17. f4 {[%emt 0:04:49] aiming for 0-0.} fxe4 $2 {[%emt 0:00:00] [#]} (17... N6d7 $16) 18. O-O $18 {[%emt 0:00:11]} ({Don't do} 18. Qxe4 $6 Bf5 19. Qd4 c5 $16) 18... Qc5+ {[%emt 0:00:00]} 19. Kh1 {[%emt 0:00:09]} e3 $2 {[%emt 0:00:00]} (19... Bf5 $2 20. g4 Bd7 21. Qxe4) (19... N8d7 $18 20. Nxg6 (20. Qxe4 Nxe5 21. g4 Bxg4 $16) 20... Rf7 21. Qxe4 Nf6) 20. Qxg6+ {[%emt 1:18:50] Weighted Error Value: White=0.12 (very precise) /Black=0.86} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.25"]
[White "Guerrero Rodriguez, Alejandra"]
[Black "Mora Velasco, Alma Jaqueline"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2019"]
[BlackElo "1780"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,144,5,7,47,-32,-41,-55,-56,-50,-46,-48,-40,-52,-54,-83,-75,-102,-111,-156,-149,-145,-145,-139,-92,-91,-101,-116,-124,-113,-103,-115,-106,-95,-99,-116,-116,-120,-117,-115,-127,-137,-113,-123,-120,-127,-127,-118,-116,-147,-150,-144,-130,-149,-151,-147,-156,-154,-154,-194,-145,-172,-151,-132,-129,-303,-304,-293,-283,-261,-251,-513,-379,-401,-398,-390,-345,-572,-370,-416,-420,-418,-410,-389,-381,-365,-295,-323,-310,-252,-217,-206,-217,-199,-174,-196,-199,-222,-154,-154,-134,-134,-147,-175,-24,-53,-23,-23,-8,-86,-13,-14,-16,-86,-86,-86,-91,-100,-100,-108,-108,-108,-108,-115,-108,-115,-115,-115,0,-115,-108,-116,0]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:04:24]} 2. c3 {[%emt 0:00:50]} Nf6 {[%emt 0:00:42]} 3. e5 {[%emt 0:00:39]} Nd5 {[%emt 0:00:22]} 4. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:01:02]} 5. Nf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:46]} 6. cxd4 {[%emt 0:01:24]} d6 {[%emt 0:01:45]} 7. Bc4 {[%emt 0:02:09]} Nb6 {[%emt 0:03:52]} 8. Bb5 {[%emt 0:02:01]} a6 {[%emt 0:07:31] B22: Sicilian: 2 c3.} 9. Be2 {[%emt 0:04:20]} (9. Bxc6+ $14 bxc6 10. Nc3) 9... dxe5 $15 {[%emt 0:03:16]} 10. dxe5 {[%emt 0:00:56]} Qxd1+ {[%emt 0:02:10] Black is slightly better.} 11. Bxd1 {[%emt 0:00:06][%cal Be2d1,Bd1b3,Bb3c2][%mdl 32]} g6 {[%emt 0:03:02] [#]} 12. Bb3 $146 {[%emt 0:07:02]} ({Predecessor:} 12. O-O Bg7 13. Re1 Nc4 14. Nc3 e6 15. Bf4 Nxb2 16. Be2 Nb4 17. Reb1 N2d3 18. Bg3 Nxe5 19. Bxe5 Bxe5 20. Nxe5 {½-½ (75) Ibar,M (2314)-Savinell,F (2075) Buenos Aires 2004}) 12... Na5 {[%emt 0:04:55]} 13. Bc2 {[%emt 0:01:38]} Bg7 {[%emt 0:01:07]} 14. Bf4 {[%emt 0:04:49]} Nd5 {[%emt 0:08:17]} 15. Bg3 {[%emt 0:04:15]} Nb4 {[%emt 0:04:39]} 16. Be4 {[%emt 0:01:10]} Bf5 {[%emt 0:06:29]} 17. Bxf5 {[%emt 0:01:08]} gxf5 {[%emt 0:00:07]} 18. Na3 {[%emt 0:00:27]} Nd3+ {[%emt 0:01:52]} (18... f4 $142 19. Bh4 Nd3+ 20. Ke2 Nxe5 21. Nxe5 Bxe5) 19. Ke2 $17 {[%emt 0:00:16]} Nxb2 {[%emt 0:06:42]} 20. Rab1 {[%emt 0:01:12]} Na4 {[%emt 0:00:36] aiming for ...Nc3+.} 21. Rhc1 {[%emt 0:04:11] Inhibits Nc3+.} O-O {[%emt 0:01:54]} 22. Bf4 {[%emt 0:01:53]} b5 {[%emt 0:05:22]} 23. Bd2 {[%emt 0:00:46]} Nb7 {[%emt 0:00:41]} 24. Rc7 {[%emt 0:00:26]} Nbc5 {[%emt 0:00:36]} 25. Rc1 {[%emt 0:02:58]} Rfc8 {[%emt 0:04:38]} 26. Rxc8+ {[%emt 0:07:51]} Rxc8 {[%emt 0:00:08][%cal Ba8c8,Bc8c7,Bc7d7][%mdl 32]} 27. Bb4 {[%emt 0:06:02]} Rc7 {[%emt 0:02:36]} 28. Nb1 {[%emt 0:00:38]} Kf8 {[%emt 0:01:09]} 29. Nd4 {[%emt 0:04:12]} Bxe5 {[%emt 0:03:23]} 30. Nxf5 {[%emt 0:00:26]} e6 {[%emt 0:00:41]} (30... Bxh2 31. g3 $16) 31. Ng3 {[%emt 0:02:14]} Ke8 {[%emt 0:00:28]} 32. Ba5 {[%emt 0:01:56]} Rd7 {[%emt 0:02:12]} 33. Nd2 {[%emt 0:00:42]} f5 {[%emt 0:01:57]} 34. Nb3 {[%emt 0:01:10]} Nd3 {[%emt 0:01:11]} 35. Rc8+ {[%emt 0:06:05]} Ke7 {[%emt 0:02:07]} 36. f3 {[%emt 0:00:36]} Nab2 {[%emt 0:01:18]} (36... Nf4+ $19 37. Kf2 Nb2) 37. Nh5 {[%emt 0:02:11]} Kf7 {[%emt 0:01:45]} ({Worse is} 37... Bxh2 38. g3 $17) 38. g4 {[%emt 0:02:08]} Nc4 {[%emt 0:03:12]} ({Inferior is} 38... Bxh2 39. Rh8 Rd5 40. Bd2 $11) 39. Rd8 $2 {[%emt 0:04:50]} (39. h3 $17 {keeps fighting.}) 39... Rxd8 $19 {[%emt 0:00:53]} 40. Bxd8 {[%emt 0:00:02]} Nb4 {[%emt 0:01:45]} 41. gxf5 {[%emt 0:06:41]} exf5 {[%emt 0:00:23]} ({Avoid the trap} 41... Nxa2 $2 42. fxe6+ Kxe6 43. f4 $19) 42. Nc1 $2 {[%emt 0:00:47]} (42. f4 {was necessary.} Bd6 43. Kf3) 42... Bxh2 {[%emt 0:01:22]} 43. Bh4 {[%emt 0:01:48]} Bd6 {[%emt 0:01:17] Hoping for ...f4.} 44. Be1 {[%emt 0:00:53]} Nc2 {[%emt 0:02:05]} 45. Bc3 {[%emt 0:00:33]} (45. Bg3 {was worth a try.}) 45... N2e3 {[%emt 0:01:00] ...Nd5 is the strong threat.} 46. Nd3 {[%emt 0:00:37]} Nd5 {[%emt 0:00:19] Prevents Ndf4.} 47. Bd4 {[%emt 0:00:21]} a5 {[%emt 0:02:33]} 48. Ng7 {[%emt 0:00:19]} Ne7 {[%emt 0:00:58]} 49. Nh5 {[%emt 0:00:06]} Ng6 {[%emt 0:01:19]} 50. Nf6 {[%emt 0:00:35]} Nge5 {[%emt 0:00:32]} 51. Nxh7 {[%emt 0:00:40]} Kg6 {[%emt 0:01:14] Inhibits Ng5.} 52. Nf8+ {[%emt 0:02:50]} Bxf8 {[%emt 0:01:03]} 53. Bxe5 {[%emt 0:00:21][%mdl 4096] Endgame KBN-KBN} Kf7 {[%emt 0:00:26]} 54. Bd4 {[%emt 0:00:36]} Bd6 {[%emt 0:00:13]} 55. Nc1 {[%emt 0:02:14]} Ke6 {[%emt 0:00:16]} 56. Kd3 {[%emt 0:00:15]} Kd5 {[%emt 0:00:30] Threatens to win with ...f4.} 57. Ne2 {[%emt 0:00:52]} b4 {[%emt 0:01:10]} 58. f4 {[%emt 0:00:33] [#]} Na3 $2 {[%emt 0:00:20]} (58... Bc5 $1 $19 59. Bg7 Nd6) 59. Ng3 {[%emt 0:01:18]} Bxf4 {[%emt 0:00:18]} (59... Ke6 $5 {[%cal Rd6f4]} 60. Be3 Bc7 $15) 60. Nxf5 {[%emt 0:00:01]} Nb5 {[%emt 0:00:44]} 61. Bb2 {[%emt 0:01:00] [#]} (61. Bb6 $11) 61... Nd6 {[%emt 0:00:27]} (61... Bg5 $1 $17 62. Ng3 Nd6) 62. Ne7+ $1 $11 {[%emt 0:00:36]} Kc5 {[%emt 0:00:36]} 63. Bd4+ {[%emt 0:00:32]} (63. a3 $11 {keeps the balance.}) 63... Kb5 $17 {[%emt 0:00:20]} 64. Nd5 {[%emt 0:00:32]} Bg3 {[%emt 0:00:25]} 65. Bb2 {[%emt 0:01:37]} Nb7 {[%emt 0:00:33]} 66. Ne3 {[%emt 0:00:34]} Nc5+ {[%emt 0:00:12]} 67. Kc2 {[%emt 0:00:03]} a4 {[%emt 0:00:20]} 68. Nf5 {[%emt 0:00:36]} Bh2 {[%emt 0:00:18]} 69. Ne3 {[%emt 0:01:18]} Ne4 {[%emt 0:01:15]} 70. Kd3 {[%emt 0:01:06]} Nc5+ {[%emt 0:00:05]} 71. Kc2 $1 {[%emt 0:00:04]} Bg1 {[%emt 0:00:48]} 72. Nd5 {[%emt 0:00:09]} Bh2 {[%emt 0:00:51] Whites escaped into a draw.  Weighted Error Value: White=0.25 (precise) /Black=0.21 (precise)} (72... Ne6 $17 73. Kd3 Bf2) 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.26"]
[White "Salas Estrada, Ana Paola"]
[Black "Avila Fraire, Ameyalli"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1654"]
[BlackElo "1955"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,80,-28,-28,0,-20,-10,-33,-30,-72,19,10,8,0,0,-18,307,311,340,342,337,329,322,338,337,314,322,208,198,205,206,114,114,34,77,64,61,20,25,0,39,35,85,-227,-222,-643,-645,-692,-687,-760,-716,-921,-900,-879,-844,-1031,-1033,-29976,-29977,-29990,-29991,-29991,-29986,-29986,-29987,-29985,-5635]} 1. e4 {[%emt 0:08:29]} c5 {[%emt 0:00:06]} 2. Nc3 {[%emt 0:00:15]} Nc6 {[%emt 0:00:08]} 3. g3 {[%emt 0:00:28]} g6 {[%emt 0:01:19]} 4. Bg2 {[%emt 0:00:09]} Bg7 {[%emt 0:00:04]} 5. d3 {[%emt 0:00:12]} e6 {[%emt 0:01:13]} 6. f4 {[%emt 0:02:30]} Nge7 {[%emt 0:00:32]} 7. Nf3 {[%emt 0:04:25]} d5 {[%emt 0:04:22]} 8. O-O {[%emt 0:01:53]} O-O {[%emt 0:00:20]} 9. Bd2 {[%emt 0:18:21]} a6 {[%emt 0:01:18] [#] B24: Closed Sicilian: 3 g3 sidelines.} 10. Qc1 $146 {[%emt 0:03:18]} ({Predecessor:} 10. e5 Nf5 11. a3 b5 12. Kh1 Bb7 13. Rb1 f6 14. exf6 Bxf6 15. Ng5 Qd6 16. Re1 {0-1 (45) Kotronias,V (2505)-Wang,J (2363) Divcibare 2018}) 10... b5 {[%emt 0:06:53]} 11. Nh4 {[%emt 0:13:58][%cal Of4f5]} Nd4 {[%emt 0:01:58] Black is slightly better.} 12. Qd1 {[%emt 0:02:43]} f5 {[%emt 0:17:30]} (12... Bb7 $17) 13. e5 $11 {[%emt 0:03:17]} Bb7 {[%emt 0:06:22]} 14. Be3 {[%emt 0:06:12][%cal Bd2e3,Be3d4,Bd4c5,Bc5d6][%mdl 32]} Nec6 {[%emt 0:05:25]} 15. Nb1 {[%emt 0:03:20] Black must now prevent c3.} Nb4 $2 {[%emt 0:21:02][%mdl 8192]} (15... g5 $1 $11) 16. c3 $1 $18 {[%emt 0:06:08][%csl LRb4,LRd4]} Nbc2 {[%emt 0:04:48]} 17. Bxd4 {[%emt 0:01:01]} Nxa1 {[%emt 0:00:36]} 18. Bxc5 {[%emt 0:00:13]} Rf7 {[%emt 0:01:28]} 19. Nd2 {[%emt 0:02:01]} Rc8 {[%emt 0:00:05]} 20. Bd6 {[%emt 0:07:10]} b4 {[%emt 0:01:29]} 21. Bxb4 {[%emt 0:01:17] Strongly threatening Ndf3.} Nc2 {[%emt 0:00:08]} 22. Qxc2 {[%emt 0:04:05]} Qb6+ {[%emt 0:00:08]} 23. Kh1 {[%emt 0:06:28]} (23. Rf2 $1 $18 Qxb4 24. Nc4 $1 {[%mdl 512]}) 23... Qxb4 $16 {[%emt 0:00:07] [#]} 24. Nb3 {[%emt 0:00:54]} ({Better is} 24. Nc4 $1 $16 {[%mdl 512]} Rxc4 25. dxc4 (25. cxb4 $2 {perishes.} Rxc2 26. Rb1 Rfc7 $19) 25... Qxc4 26. Qb3) 24... Rfc7 {[%emt 0:03:41][%cal Bf7c7,Bc7c3,Bc3c2,Bc2b2][%mdl 32]} 25. Nf3 {[%emt 0:01:27]} Qb6 {[%emt 0:02:52]} 26. Qe2 {[%emt 0:01:59]} a5 {[%emt 0:01:19]} 27. Nbd4 {[%emt 0:01:06]} (27. Qf2 $5 {[%cal Rf2b6]} Qa6 28. a4 $11) 27... h6 {[%emt 0:00:29]} (27... a4 $5 {[%cal Ra4a3]}) 28. Nh4 {[%emt 0:00:33] And now g4 would win. Pair of Knights!} Kh7 {[%emt 0:00:47] [#]} 29. Rb1 $2 {[%emt 0:00:34][%mdl 8192]} (29. g4 $1 $16 {[%cal Rg4f5] and life is bright.} Rg8 30. Bh3) 29... Rxc3 $1 $19 {[%emt 0:01:27][%mdl 64] aiming for ...Rc1+. Pin} 30. Ndf3 $2 {[%emt 0:00:33]} (30. Qd1 R3c7 31. Nhf3) 30... Rc2 {[%emt 0:00:56]} 31. Qf1 {[%emt 0:00:30]} Rxb2 {[%emt 0:00:24]} 32. Rd1 {[%emt 0:00:30]} Rcc2 {[%emt 0:00:39] Hoping for ...Rf2.} 33. d4 {[%emt 0:00:29]} Ba6 {[%emt 0:02:17]} 34. Qg1 {[%emt 0:00:15]} Rxa2 {[%emt 0:00:23] Threatens to win with ...Be2.} 35. Bh3 {[%emt 0:00:40]} Be2 {[%emt 0:01:46]} 36. g4 {[%emt 0:00:35]} Bxd1 {[%emt 0:00:31] Black mates.} 37. Qxd1 {[%emt 0:00:29]} Qb2 {[%emt 0:00:09]} 38. Qg1 {[%emt 0:00:19]} Ra1 {[%emt 0:00:33]} 39. Ne1 {[%emt 0:00:43] [#]} Rxe1 $1 {[%emt 0:01:18]} 40. Qxe1 {[%emt 0:00:26]} Rc1 {[%emt 0:13:38] Quite a comeback for Black.  Weighted Error Value: White=0.78/Black=0.31} (40... Rxh2+ $142 41. Kg1 Rxh3 42. gxf5 Qh2+ 43. Kf1 Qh1+ 44. Ke2 Qe4+ 45. Kf2 Rh2+ 46. Kg3 Qxe1+ 47. Kxh2 Qxh4+ 48. Kg1 gxf5 49. Kg2 Qxf4 50. Kg1 a4 51. Kh1 a3 52. Kg1 a2 53. Kg2 a1=Q 54. Kh3 Qh1#) 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "4.27"]
[White "Avila Bautista, Teresa Alejandra"]
[Black "Padilla Garcia, Cecilia Xasive"]
[Result "1/2-1/2"]
[ECO "A25"]
[BlackElo "1834"]
[Annotator "NA RC"]
[PlyCount "74"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 1:31:00]} e5 {[%emt 0:01:10]} 2. g3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:21]} 3. Bg2 {[%emt 0:00:00]} f5 {[%emt 0:01:23]} 4. Nc3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:49]} 5. d3 {[%emt 0:00:00]} Bb4 {[%emt 0:03:03]} 6. Bd2 {[%emt 0:00:00]} Bxc3 {[%emt 0:00:11]} 7. Bxc3 {[%emt 0:00:00]} d6 {[%emt 0:00:19]} 8. Nf3 {[%emt 0:00:00]} O-O {[%emt 0:00:17]} 9. Qd2 {[%emt 0:00:00]} Qe8 {[%emt 0:04:56]} 10. O-O-O {[%emt 0:00:00]} Rb8 {[%emt 0:04:59]} 11. Qc2 {[%emt 0:00:00]} (11. Kb1 $15 {should be considered.}) 11... b5 {[%emt 0:20:30]} 12. b3 {[%emt 0:00:00]} (12. cxb5 $142 Rxb5 13. Kb1) 12... bxc4 {[%emt 0:08:45]} 13. dxc4 $17 {[%emt 0:00:00]} Ne4 {[%emt 0:04:15]} (13... a5 $142 14. Nd2 a4) 14. e3 {[%emt 0:00:00]} (14. Rhf1 $17) 14... Bb7 {[%emt 0:08:15]} 15. Ne1 {[%emt 0:00:00]} Nxc3 {[%emt 0:08:07]} 16. Qxc3 {[%emt 0:00:00]} Nb4 {[%emt 0:04:09]} 17. Rd2 {[%emt 0:00:00]} Bxg2 {[%emt 0:01:01]} 18. Nxg2 {[%emt 0:00:00]} a5 {[%emt 0:00:31]} 19. h4 {[%emt 0:00:00]} a4 {[%emt 0:01:09]} 20. a3 {[%emt 0:01:31]} Qc6 {[%emt 0:11:44]} 21. Rg1 {[%emt 0:03:07]} Na6 {[%emt 0:00:14]} 22. b4 {[%emt 0:00:19]} Qb6 {[%emt 0:04:07]} 23. Ne1 {[%emt 0:01:29]} Nc5 {[%emt 0:00:51]} 24. Rd5 {[%emt 0:03:05]} Ne4 {[%emt 0:00:34]} 25. Qc2 {[%emt 0:00:46]} c6 {[%emt 0:01:12]} 26. Rd3 {[%emt 0:01:19]} Rfd8 {[%emt 0:08:16]} 27. f3 {[%emt 0:00:32]} Nf6 {[%emt 0:00:12]} 28. Qxa4 {[%emt 0:00:36]} c5 {[%emt 0:02:08]} 29. Nc2 {[%emt 0:00:25]} cxb4 {[%emt 0:00:40]} 30. axb4 {[%emt 0:00:12]} Qc7 {[%emt 0:00:41]} 31. Qb3 {[%emt 0:00:40]} Kh8 {[%emt 0:00:28]} 32. Rc3 {[%emt 0:00:41]} e4 {[%emt 0:00:08]} 33. f4 {[%emt 0:00:15]} Qb6 {[%emt 0:00:58]} 34. Rd1 {[%emt 0:00:40]} Nh5 {[%emt 0:00:22]} 35. Rg1 {[%emt 0:00:25]} Nf6 {[%emt 0:00:03]} 36. Rd1 {[%emt 0:00:13]} Nh5 {[%emt 0:00:05]} 37. Rg1 {[%emt 0:00:18]} Nf6 {[%emt 0:00:04]} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.1"]
[White "Cordova, Emilio"]
[Black "Salinas Herrera, Pablo"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2534"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,74,14,13,10,18,22,18,28,21,12,21,24,24,28,24,-25,-26,-15,-25,-16,-17,-16,-4,-25,-12,-17,-3,-7,-5,-2,-16,-13,-15,-15,-15,-22,-13,-14,0,0,-18,-16,-22,-16,-16,-9,-21,-8,-19,-45,0,0,0,-12,0,0,0,0,0,-8,-7,-37,0,0,0,0,4]} 1. Nf3 {[%emt 0:00:56]} d5 {[%emt 0:00:37]} 2. g3 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 3. Bg2 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 4. d3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. O-O {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 6. Nbd2 {[%emt 0:00:30] A07: Réti Opening: New York and Capablanca Systems.} O-O {[%emt 0:00:30]} 7. h3 {[%emt 0:00:30]} Bh5 {[%emt 0:00:30]} 8. g4 {[%emt 0:00:30]} Bg6 {[%emt 0:00:30]} 9. Ne5 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:30]} 10. Nxg6 {[%emt 0:00:30]} hxg6 {[%emt 0:00:30]} 11. e3 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 12. f4 {[%emt 1:30:34] [#]} (12. h4 {was preferrable.}) 12... e5 $146 ({Predecessor:} 12... a5 13. Qe1 a4 14. a3 Qc7 15. g5 Ne8 16. h4 e5 17. f5 gxf5 18. Rxf5 Nd6 {1-0 (43) Meyer,P (2350)-Abel,T (2400) Germany 1999}) 13. fxe5 {[%emt 0:00:00]} Nxe5 {[%emt 0:11:30]} 14. d4 {[%emt 0:00:00]} Ned7 {[%emt 0:00:09]} 15. c4 {[%emt 0:00:00]} Bb4 {[%emt 0:19:35]} 16. a3 {[%emt 0:00:00]} Bxd2 {[%emt 0:07:47]} 17. Bxd2 {[%emt 0:00:00]} Re8 {[%emt 0:00:16]} 18. cxd5 {[%emt 0:00:00]} cxd5 {[%emt 0:00:09]} 19. Qf3 {[%emt 0:00:00] [#] aiming for g5.} Qe7 {[%emt 0:01:00]} 20. Qf4 {[%emt 0:00:00]} Nb6 {[%emt 0:04:00]} 21. b3 {[%emt 0:00:00] Inhibits Nc4.} Rac8 {[%emt 0:00:23]} 22. Ra2 {[%emt 0:00:00] Against Rc2} Ne4 {[%emt 0:02:13]} 23. Bb4 {[%emt 0:00:00]} Qc7 {[%emt 0:05:24]} 24. Qxc7 {[%emt 0:00:00]} Rxc7 {[%emt 0:03:22]} 25. a4 {[%emt 0:00:00]} Nd7 {[%emt 0:02:09][%cal Bb6d7,Bd7f6,Bf6h7][%mdl 32]} 26. Raa1 {[%emt 0:04:25]} Ndf6 {[%emt 0:03:09]} 27. Rfc1 {[%emt 0:01:19]} Rec8 {[%emt 0:00:24]} 28. Rxc7 {[%emt 0:00:32]} Rxc7 {[%emt 0:00:05]} 29. Bf1 {[%emt 0:00:29]} Nh7 {[%emt 0:08:50]} (29... Rc2 $5 {[%cal Rc2b2]}) 30. Bd3 {[%emt 0:00:34]} f5 {[%emt 0:00:10]} 31. Ba5 {[%emt 0:00:32] This bishop pair is nice.} Rc8 {[%emt 0:01:00]} 32. Kg2 {[%emt 0:00:36]} Nhf6 {[%emt 0:00:24]} 33. gxf5 {[%emt 0:00:17]} gxf5 {[%emt 0:00:05]} 34. Be1 {[%emt 0:00:08]} Kf7 {[%emt 0:00:24]} 35. Bb4 {[%emt 0:00:49]} Ke6 {[%emt 0:00:10]} 36. Ra2 {[%emt 0:00:37]} Rc1 {[%emt 0:02:40]} 37. Rc2 {[%emt 0:00:03]} Rxc2+ {[%emt 0:01:55] An even fight not without its subleties.  Weighted Error Value: White=0.05 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.2"]
[White "Cori, Jorge"]
[Black "Cori Quispe, Kevin Joel"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2650"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,99,26,29,39,17,43,17,53,70,96,33,40,38,65,53,65,65,161,158,162,110,150,139,155,118,108,124,109,100,115,106,115,91,233,226,225,236,224,233,241,64,243,227,242,242,234,232,231,222,329,310,341,150,150,32,35,65,781,781,731,716,731,731,653,653,968,879,12816,12819,2295,1962,1272,713,886,1400,1012,1004,958,822,790,782,683,654,670,563,753,723,12829,12816,12833,1146]} 1. d4 {[%emt 0:00:06]} Nf6 {[%emt 0:06:46]} 2. c4 {[%emt 0:00:25]} e6 {[%emt 0:00:26]} 3. Nf3 {[%emt 0:00:07]} Bb4+ {[%emt 0:00:24]} 4. Nbd2 {[%emt 0:00:08]} O-O {[%emt 0:00:18]} 5. a3 {[%emt 0:01:12]} Be7 {[%emt 0:00:40]} 6. e4 {[%emt 0:01:25]} d6 {[%emt 0:00:48][%cal Oe6e5] E11: Bogo-Indian.} 7. Bd3 {[%emt 0:02:22]} Nfd7 {[%emt 0:03:44] [#]} 8. Rb1 $146 {[%emt 0:12:59]} ({Predecessor:} 8. O-O e5 9. Nb3 a5 10. Be3 a4 11. Nbd2 exd4 12. Nxd4 Nc6 13. Bc2 Bf6 14. Nxc6 bxc6 {1-0 (63) Hakobyan,A (2598)-Postny,E (2605) Lichess.org INT 2021}) 8... c5 {[%emt 0:18:08] The position is equal.} 9. d5 {[%emt 0:00:34]} e5 {[%emt 0:01:29]} 10. g4 {[%emt 0:04:08]} (10. O-O $16) 10... Nf6 {[%emt 0:05:09]} 11. h3 {[%emt 0:00:10]} h6 {[%emt 0:07:39]} 12. Nf1 {[%emt 0:11:22]} Nh7 {[%emt 0:01:01]} 13. Ng3 {[%emt 0:03:12]} Bg5 {[%emt 0:01:44]} (13... Re8 $14) 14. Nxg5 $18 {[%emt 0:00:34]} hxg5 {[%emt 0:00:30]} 15. b4 {[%emt 0:04:03]} (15. Kf1 $18) 15... b6 {[%emt 0:01:14]} 16. Be3 {[%emt 0:10:56]} Re8 {[%emt 0:06:36]} 17. h4 {[%emt 0:08:39]} gxh4 {[%emt 0:09:44] [#]} 18. g5 $1 {[%emt 0:00:05] &Bianco is more active.} g6 {[%emt 0:03:18] Inhibits Qh5.} (18... hxg3 $2 19. Qh5 g2 20. Qxh7+ Kf8 21. Rg1 $18) 19. Rxh4 {[%emt 0:17:29] aiming for Ke2.} Nxg5 {[%emt 0:04:47][%cal Og5f3] White must now prevent ...Nf3+!} 20. Rh2 {[%emt 0:06:04]} Qf6 {[%emt 0:06:18] ...Nf3+ is the strong threat.} 21. Be2 {[%emt 0:00:04] Inhibits Nf3+.} Nh3 {[%emt 0:00:58]} (21... cxb4 $16 22. axb4 Nh3) 22. Bg4 {[%emt 0:03:50]} Nf4 {[%emt 0:09:52]} 23. Bxc8 {[%emt 0:00:35]} Rxc8 {[%emt 0:00:05]} 24. Qg4 {[%emt 0:00:05]} Rd8 {[%emt 0:00:14]} 25. Kd2 $2 {[%emt 0:02:01]} ({White should try} 25. bxc5 $18 {And now Kd2 would win.} dxc5 26. Nh5) 25... Kf8 $2 {[%emt 0:00:44]} (25... Nd7 $1 $14) 26. bxc5 $1 {[%emt 0:02:10]} ({Less strong is} 26. Ne2 Nd7 $16) 26... dxc5 {[%emt 0:00:42]} 27. Ne2 {[%emt 0:00:15]} Nd7 {[%emt 0:07:48]} 28. Nxf4 {[%emt 0:00:07]} ({Weaker is} 28. Bxf4 exf4 29. Qxf4 Ke7 $14) 28... exf4 {[%emt 0:00:05]} 29. Qxf4 {[%emt 0:00:04]} Qxf4 {[%emt 0:00:11]} (29... Re8 $142 30. Qh6+ Qg7) 30. Bxf4 {[%emt 0:00:04]} Re8 {[%emt 0:00:07]} 31. e5 {[%emt 0:03:46]} (31. Rbh1 $18) 31... g5 $16 {[%emt 0:00:40]} 32. Rg1 {[%emt 0:04:05]} gxf4 $14 {[%emt 0:01:30]} 33. d6 {[%emt 0:00:08][%cal Rh2h8]} f6 $2 {[%emt 0:00:19][%mdl 8192] Black is on the road to losing.} (33... f5 $14) 34. e6 $1 $18 {[%emt 0:00:04] White is clearly winning.} Rxe6 {[%emt 0:00:07]} 35. Rh8+ {[%emt 0:00:03]} Kf7 {[%emt 0:00:05] [#]} 36. Rh7+ $1 {[%emt 0:00:07]} ({Stronger than} 36. Rxa8 Rxd6+ 37. Kc3 Ne5 $11) 36... Kf8 {[%emt 0:00:41]} 37. Rxd7 {[%emt 0:00:04][%mdl 4096] Endgame KRR-KRR} Rae8 {[%emt 0:02:43]} 38. Kc3 {[%emt 0:01:00] Threatens to win with Rgg7.} f5 {[%emt 0:00:48]} 39. Rgg7 {[%emt 0:01:04][%csl Gg7][%cal Rd7f7]} Rf6 {[%emt 0:00:06] [#] Against Rdf7+} 40. Rh7 $1 {[%emt 0:00:06][%cal Rh7h8]} Kg8 {[%emt 0:01:06] Inhibits Rh8+.} 41. Rdg7+ {[%emt 0:00:06]} Kf8 {[%emt 0:00:03]} 42. Rxa7 {[%emt 0:00:06][%cal Rh7h8]} Kg8 {[%emt 0:00:19] Against Rh8+} 43. Rag7+ {[%emt 0:03:21]} Kf8 {[%emt 0:00:06]} 44. Rb7 {[%emt 0:00:46][%cal Rh7h8]} Kg8 {[%emt 0:00:11] Against Rh8+} 45. Rhg7+ {[%emt 0:01:24]} Kf8 {[%emt 0:00:27]} 46. Rgd7 {[%emt 0:01:00]} Ra8 {[%emt 0:02:04]} 47. Kb3 {[%emt 0:00:10]} f3 {[%emt 0:00:27]} 48. Rxb6 {[%emt 0:00:17]} Ke8 {[%emt 0:00:24]} 49. Rh7 {[%emt 0:00:06] White wants to mate with Rbb7.} Rd8 {[%emt 0:00:19]} 50. d7+ {[%emt 0:00:07] Weighted Error Value: White=0.26 (precise) /Black=0.37} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.3"]
[White "Galaviz Medina, Sion Radamantys"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2374"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,120,32,28,25,25,20,20,35,22,39,48,54,50,53,66,76,74,85,75,83,29,89,99,87,34,42,41,102,83,108,99,106,90,100,-24,-21,-8,-7,-10,54,0,0,0,0,0,2,-2,-7,-12,-19,-48,-47,-56,-16,-19,-18,-19,-20,-20,-7,-15,0,-25,-1,-2,0,-17,-12,-17,-8,-9,-6,-18,-21,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-74,-4622,-4133,-29982,-29983,-29983,-29984]} 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:04:19]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:05]} Bb4 {[%emt 0:00:05]} 4. Qc2 {[%emt 0:00:07]} O-O {[%emt 0:00:24]} 5. Bg5 {[%emt 0:01:59]} h6 {[%emt 0:00:57]} 6. Bh4 {[%emt 0:02:30]} d6 {[%emt 0:07:33]} 7. e3 {[%emt 0:01:06]} b6 {[%emt 0:03:20] E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 8. Bd3 {[%emt 0:02:19]} Bb7 {[%emt 0:00:59]} 9. f3 {[%emt 0:01:23]} c5 {[%emt 0:00:29] The position is equal.} 10. Nge2 {[%emt 0:05:12]} Bxc3+ {[%emt 0:11:14]} 11. Qxc3 {[%emt 0:09:44]} Nbd7 {[%emt 0:00:36]} 12. O-O {[%emt 0:10:34]} Rc8 {[%emt 0:01:48]} 13. Qa3 {[%emt 0:05:45]} a6 {[%emt 0:02:37]} 14. Rad1 {[%emt 0:00:54] [#]} Re8 $146 {[%emt 0:00:15]} ({Predecessor:} 14... Qe7 15. Bb1 Rfd8 16. Qd3 Nf8 17. Qb3 b5 18. dxc5 Rxc5 19. cxb5 Rxb5 20. Qa3 Ng6 21. Bxg6 fxg6 {½-½ (32) Savva,P (1980)-Damianou,I (2176) Nicosia 2022}) 15. Nc3 {[%emt 0:02:37]} Qc7 {[%emt 0:04:51]} 16. Bg3 {[%emt 0:13:00]} (16. Rfe1 $16) 16... e5 {[%emt 0:08:41]} (16... Nh5 $1 $11) 17. Bf5 $16 {[%emt 0:06:50]} Rcd8 {[%emt 0:02:52]} 18. Bh4 {[%emt 0:01:32]} (18. dxc5 $16 {[%cal Oc5c6] Threatens to win with c6!} Nxc5 19. Bh4) 18... cxd4 $14 {[%emt 0:04:58]} 19. exd4 {[%emt 0:00:06]} exd4 {[%emt 0:14:45]} (19... Qxc4 $14 20. Qxd6 Nf8 21. Qxb6 exd4) 20. Rxd4 $16 {[%emt 0:03:52]} Ne5 {[%emt 0:06:00]} 21. b3 {[%emt 0:07:41]} b5 {[%emt 0:01:04][%cal Ob5b4] [#] ...b4! is the strong threat.} 22. Bxf6 {[%emt 0:09:37]} gxf6 {[%emt 0:00:10]} 23. Rh4 {[%emt 0:00:15]} (23. Qc1 $16 Qc5 24. Qd2 (24. Qf4 Kg7 $11)) 23... Qb6+ $11 {[%emt 0:05:45]} 24. Kh1 $132 {[%emt 0:00:56][%mdl 2048] aiming for Qc1. White is not holding back} Qe3 {[%emt 0:02:32]} 25. Qc1 {[%emt 0:05:57] [#]} ({But not} 25. cxb5 Qxc3 26. bxa6 Ra8 27. Qxd6 (27. a7 $2 Ng6 $19) 27... Rxa6 $17) 25... Qg5 {[%emt 0:04:45]} ({Black should try} 25... Nxf3 $1 $11 26. Rg4+ (26. Rxh6 $2 Nd2 $19) (26. Qxe3 Rxe3) 26... Kf8) 26. Qxg5+ {[%emt 0:03:58]} (26. Rf4 $1 $14) 26... hxg5 {[%emt 0:02:10]} 27. Rd4 {[%emt 0:00:05]} bxc4 {[%emt 0:00:42]} 28. bxc4 {[%emt 0:00:06]} Kg7 {[%emt 0:00:23]} 29. Rb1 {[%emt 0:03:12]} Bc8 {[%emt 0:00:41]} 30. Bxc8 {[%emt 0:02:04]} Rxc8 {[%emt 0:00:09]} 31. Rxd6 {[%emt 0:00:14]} Nxc4 {[%emt 0:00:09]} 32. Rd3 {[%emt 0:00:40]} ({Don't go for} 32. Rxa6 $2 Nd2 33. Rd1 Rxc3 $19) 32... Rb8 {[%emt 0:03:24]} 33. Rdd1 {[%emt 0:01:11]} Rb2 {[%emt 0:01:56]} 34. Rxb2 {[%emt 0:00:36]} Nxb2 {[%emt 0:00:09][%mdl 4096] Endgame KRN-KRN} 35. Rb1 {[%emt 0:00:01]} Nd3 {[%emt 0:02:16]} 36. h3 {[%emt 0:00:14]} f5 {[%emt 0:00:17]} 37. Kh2 {[%emt 0:01:07]} Re5 {[%emt 0:02:02]} 38. Rb6 {[%emt 0:00:19]} Re6 {[%emt 0:00:52]} 39. Rb3 {[%emt 0:00:52]} Nf4 {[%emt 0:01:11]} 40. Rb2 {[%emt 0:00:18]} Re1 {[%emt 0:01:09]} 41. Rd2 {[%emt 0:00:24]} Re5 {[%emt 0:00:28]} 42. Kg3 {[%emt 0:00:47]} Rc5 {[%emt 0:00:59]} 43. Ne2 {[%emt 0:00:13]} Nxe2+ {[%emt 0:00:29]} 44. Rxe2 {[%emt 0:00:03] KR-KR} Ra5 {[%emt 0:00:04]} 45. h4 {[%emt 0:00:41]} f6 {[%emt 0:00:30]} 46. hxg5 {[%emt 0:00:23]} fxg5 {[%emt 0:00:06]} 47. Kf2 {[%emt 0:00:13]} Kf6 {[%emt 0:00:10]} 48. Kg3 {[%emt 0:00:28]} Ra3 {[%emt 0:00:14]} 49. Kf2 {[%emt 0:00:42]} a5 {[%emt 0:00:10]} 50. Rb2 {[%emt 0:00:09]} f4 {[%emt 0:00:55]} 51. g3 {[%emt 0:01:47]} Ke5 {[%emt 0:00:35]} 52. Re2+ {[%emt 0:00:28]} Kd5 {[%emt 0:00:49]} 53. gxf4 {[%emt 0:00:04]} gxf4 {[%emt 0:00:06]} 54. Kg2 {[%emt 0:00:21]} a4 {[%emt 0:00:25]} 55. Rd2+ {[%emt 0:00:29]} Kc4 {[%emt 0:00:15]} 56. Rf2 {[%emt 0:01:20]} Kd3 {[%emt 0:00:59]} 57. Rb2 {[%emt 0:00:46]} Ke3 {[%emt 0:00:38] Hoping for ...Rd3.} 58. Rf2 $2 {[%emt 0:00:28][%mdl 8192]} (58. Rc2 $17) 58... Rd3 $19 {[%emt 0:00:21] ( -> ...Rd2)} 59. Rb2 {[%emt 0:00:24]} Rd2+ {[%emt 0:00:53]} 60. Rxd2 {[%emt 0:00:05]} Kxd2 {[%emt 0:00:02] Weighted Error Value: White=0.31/Black=0.07 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.4"]
[White "Mareco, Sandro"]
[Black "Sandoval Mercado, Carlos"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2643"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 24,89,83,60,102,110,104,105,99,107,105,85,98,78,133,140,149,152,159,139,166,165,235,233,246,237,236,229,289,289,293,281,306,298,308,202,202,190,476,459,480,477,473,473,473,473,472,435,502,502,478,478,2551,2531,1510,1244,6867,390,6867,6079,6320,5971,5708,5420,6867,6867,4133,3987]} 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:41]} 2. c4 {[%emt 0:00:04]} c5 {[%emt 0:02:37]} 3. d5 {[%emt 0:00:04]} b5 {[%emt 0:00:06]} 4. cxb5 {[%emt 0:00:25]} a6 {[%emt 0:00:06]} 5. bxa6 {[%emt 0:00:04]} g6 {[%emt 0:00:12]} 6. Nc3 {[%emt 0:00:04]} Bxa6 {[%emt 0:00:05]} 7. e4 {[%emt 0:00:11]} Bxf1 {[%emt 0:00:06]} 8. Kxf1 {[%emt 0:00:03]} d6 {[%emt 0:00:06]} 9. g3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:07]} 10. Kg2 {[%emt 0:00:03]} O-O {[%emt 0:00:37]} 11. Nf3 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:10]} 12. a4 {[%emt 0:00:59] is now debated instead of 12.Re1.} Qb6 {[%emt 0:00:29]} 13. Qc2 {[%emt 0:02:32]} Rfb8 {[%emt 0:06:41] A59: Benko/Volga Gambit: White castles by hand.} 14. Nb5 {[%emt 0:01:56]} Ne8 {[%emt 0:03:57]} 15. Bd2 {[%emt 0:17:44]} Nc7 {[%emt 0:09:08] White is better.} 16. Nxc7 {[%emt 0:00:08] &Bianco is more active.} Qxc7 {[%emt 0:00:04]} 17. Rab1 {[%emt 0:00:13]} Qa7 {[%emt 0:16:21]} 18. b3 {[%emt 0:00:28] [#]} Rc8 $146 {[%emt 0:00:14]} (18... Qa6 $142) ({Predecessor:} 18... Qa6 19. Rhc1 Rb7 20. h4 h6 21. Re1 c4 22. bxc4 Rxb1 23. Rxb1 Qxa4 24. Qxa4 Rxa4 {½-½ (37) Diermair,A (2461)-Spindelboeck,G (2246) Bad Gleichenberg 2014}) 19. a5 $16 {[%emt 0:11:42]} Qb7 {[%emt 0:22:41]} 20. Rhc1 {[%emt 0:01:19]} f5 {[%emt 0:10:08]} 21. Re1 {[%emt 0:16:21]} fxe4 {[%emt 0:18:06]} 22. Qxe4 {[%emt 0:00:41]} e5 {[%emt 0:00:03]} (22... Nf6 {was worth a try.} 23. Qe6+ (23. Qxe7 Qxd5 24. Bf4 Re8 $16) 23... Kh8) 23. dxe6 $18 {[%emt 0:01:04]} Qxe4 {[%emt 0:00:05]} 24. Rxe4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:01]} 25. Re2 {[%emt 0:13:07]} d5 {[%emt 0:00:16]} 26. Rd1 {[%emt 0:04:37]} Rcb8 {[%emt 0:03:13]} 27. e7 {[%emt 0:06:31]} Rxb3 {[%emt 0:03:07]} 28. Bg5 {[%emt 0:00:06] [#] aiming for Bxf6.} Re8 {[%emt 0:00:06]} 29. Bxf6 {[%emt 0:02:25]} Bxf6 {[%emt 0:00:01]} 30. Rxd5 {[%emt 0:00:07]} c4 $2 {[%emt 0:04:08]} (30... Rxe7 {keeps fighting.} 31. Rc2 Ra3 32. Rcxc5 (32. Rdxc5 Ra7 $18) 32... Kg7) 31. Nd2 {[%emt 0:03:53]} Rb2 {[%emt 0:01:40] [#]} 32. Ne4 $1 {[%emt 0:06:22][%mdl 512]} Rxe2 {[%emt 0:00:24]} 33. Nxf6+ {[%emt 0:00:05]} Kf7 {[%emt 0:00:03]} 34. Nxe8 {[%emt 0:00:03]} Kxe8 {[%emt 0:01:01][%mdl 4096] Endgame KR-KR} 35. Rc5 {[%emt 0:00:04]} Ra2 {[%emt 0:00:38]} 36. Rxc4 {[%emt 0:00:14]} Kxe7 {[%emt 0:00:28]} 37. Rc7+ {[%emt 0:00:50]} Kf6 {[%emt 0:00:05]} (37... Kf8 $142 38. Ra7 Ke8) 38. Rxh7 {[%emt 0:00:07]} Rxa5 {[%emt 0:00:02]} 39. h4 {[%emt 0:00:13] Hoping for g4.} Rb5 {[%emt 0:00:06]} 40. Ra7 $2 {[%emt 0:00:08]} (40. g4 Re5 41. Kg3) 40... Rb2 $2 {[%emt 0:00:13]} (40... Rb4 41. Rc7 Ra4) 41. g4 {[%emt 0:00:45][%cal Bg3g4,Bg4g5][%mdl 32] White is clearly winning.} Rb3 {[%emt 0:00:15]} 42. f3 {[%emt 0:00:05]} Rb2+ {[%emt 0:00:12]} 43. Kg3 {[%emt 0:00:04]} Rb3 {[%emt 0:00:03]} 44. g5+ {[%emt 0:02:14]} Ke5 {[%emt 0:00:21]} 45. Ra6 {[%emt 0:00:06] Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.39/Black=0.44} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.5"]
[White "Diaz Villagran, Robert"]
[Black "Hernandez Guerrero, Gilberto"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2318"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,94,0,-2,10,12,17,17,13,13,15,13,21,19,17,0,8,4,4,2,7,7,22,13,13,0,0,5,23,7,44,45,48,41,100,93,91,90,81,11,0,0,6,-78,-108,-66,0,-7,43,-23,-28,-29,-31,-36,-18,-11,-7,-8,-8,-34,-12,-82,-74,-95,-79,-94,-33,-22,-25,-30,-6,-16,0,0,0,0,0,0,0,-7,8,8,8]} 1. e4 {[%emt 0:03:11]} e6 {[%emt 0:00:16]} 2. d3 {[%emt 0:01:33]} d5 {[%emt 0:00:57]} 3. Nd2 {[%emt 0:00:06]} c5 {[%emt 0:00:23]} 4. Ngf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:09]} 5. g3 {[%emt 0:00:13]} g6 {[%emt 0:00:11]} 6. Bg2 {[%emt 0:00:18]} Bg7 {[%emt 0:00:08]} 7. O-O {[%emt 0:00:21]} Nge7 {[%emt 0:00:09]} 8. c3 {[%emt 0:03:47]} h6 {[%emt 0:00:23] A08: King's Indian Attack.} 9. exd5 {[%emt 0:04:56]} exd5 {[%emt 0:01:03]} 10. Nb3 {[%emt 0:00:49]} b6 {[%emt 0:00:27]} 11. d4 {[%emt 0:00:08]} c4 {[%emt 0:00:44]} 12. Nbd2 {[%emt 0:00:13][%cal Bb3d2,Bd2f1,Bf1e3][%mdl 32]} Be6 {[%emt 0:05:18]} 13. Re1 {[%emt 0:01:19]} O-O {[%emt 0:03:14]} 14. Nf1 {[%emt 0:03:40]} Qd7 {[%emt 0:01:19]} 15. h4 {[%emt 0:01:16]} Rfe8 {[%emt 0:04:21]} 16. Bf4 {[%emt 0:02:26] [#]} f6 $146 {[%emt 0:01:13]} ({Predecessor:} 16... b5 17. Qd2 Kh7 18. Ne3 a5 19. Re2 Nf5 20. Rae1 Nxe3 21. Rxe3 Bf5 {1-0 (63) Morcin,T (2291)-Sciarretta,R (2198) LSS email 2017}) 17. Bd2 {[%emt 0:15:31]} a6 {[%emt 0:05:31]} 18. Ne3 {[%emt 0:02:55]} b5 {[%emt 0:00:37]} 19. Kh2 {[%emt 0:01:44]} Rab8 {[%emt 0:04:14]} 20. Ng1 {[%emt 0:00:37]} b4 {[%emt 0:09:08]} 21. Bh3 {[%emt 0:02:56]} bxc3 {[%emt 0:02:33]} 22. Bxe6+ {[%emt 0:00:39]} Qxe6 {[%emt 0:00:16]} 23. bxc3 {[%emt 0:00:33]} Qd7 {[%emt 0:03:04]} (23... Qf7 $14) 24. Qf3 {[%emt 0:02:44]} g5 {[%emt 0:01:05]} 25. Re2 {[%emt 0:05:41]} Rf8 {[%emt 0:05:34]} 26. g4 {[%emt 0:08:17]} (26. Rae1 $16) 26... f5 {[%emt 0:09:57]} 27. gxf5 {[%emt 0:00:28]} Nxf5 {[%emt 0:01:30]} 28. Qxd5+ {[%emt 0:05:36]} (28. Nxf5 $11 Qxf5 29. Qxf5 Rxf5 30. hxg5) 28... Qxd5 $17 {[%emt 0:00:07]} 29. Nxd5 {[%emt 0:00:08] [#]} Nxh4 {[%emt 0:00:17]} ({Better is} 29... Ncxd4 $1 $15 30. cxd4 Nxd4) 30. Rae1 {[%emt 0:05:13]} Rb7 {[%emt 0:06:30]} ({Black should try} 30... Rbd8 $11 31. Ne3 Bxd4 $1 32. cxd4 Nxd4) 31. f4 {[%emt 0:03:49]} (31. Kh3 $14) 31... Rf5 $1 $11 {[%emt 0:00:58]} 32. Ne3 {[%emt 0:09:55][%csl LRc4,LRf5]} Rxf4 {[%emt 0:01:01][%cal Og7d4] Strongly threatening ...Bxd4!} 33. Nxc4 {[%emt 0:00:02]} Rf8 {[%emt 0:00:09]} 34. Kh3 {[%emt 0:01:22]} Rc7 {[%emt 0:06:40][%cal Oc6d4]} 35. Nd6 {[%emt 0:00:50]} Na5 {[%emt 0:01:09]} 36. Ne8 {[%emt 0:01:15]} Rc8 {[%emt 0:01:56]} 37. Re7 {[%emt 0:00:35] [#]} (37. Nd6 $11 Rc6 38. Re6) 37... Nf5 $1 $17 {[%emt 0:06:47]} 38. R7e6 {[%emt 0:05:52]} Nc4 {[%emt 0:00:47]} 39. Bc1 {[%emt 0:00:01] [#]} a5 {[%emt 0:01:04]} (39... Ne5 $1 $17 40. dxe5 (40. Nxg7 $2 Rxc3+ 41. Kg2 Rc2+ 42. Re2 Nh4+ 43. Kh2 Ng4+ 44. Kg3 Rxc1 $19) 40... Rfxe8 41. Rxe8+ Rxe8) 40. Kg4 $15 {[%emt 0:00:24] [#]} Nfe3+ $1 {[%emt 0:04:29]} 41. Bxe3 {[%emt 0:00:20] The board is on fire.} Rfxe8 {[%emt 0:03:40]} 42. Bc1 {[%emt 0:00:12] The position is equal.} Kf7 {[%emt 0:01:50]} 43. Rxe8 {[%emt 0:04:23]} Rxe8 {[%emt 0:00:05]} 44. Rxe8 {[%emt 0:00:06]} Kxe8 {[%emt 0:00:04]} 45. Kf5 {[%emt 0:02:14]} Kf7 {[%emt 0:00:16] ...Nd6+ is the strong threat.} 46. Ke4 $1 {[%emt 0:00:03]} Ke6 {[%emt 0:01:00]} 47. Kd3 {[%emt 0:00:04]} Kd5 {[%emt 0:02:16] Weighted Error Value: White=0.12 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.6"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Morales Garcia, Sergio Joshafatt"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "2536"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,78,0,47,52,56,22,22,10,17,0,0,0,0,-3,0,-59,-63,-66,-69,-75,-75,-69,-54,-77,-75,-69,-66,-81,-20,-75,-57,-53,154,152,181,177,293,206,300,302,314,208,201,119,113,66,425,425,1104,1095,979,998,2717,2210,29993,-1308,-1268]} 1. e4 {[%emt 0:01:24]} c5 {[%emt 1:31:00]} 2. Nf3 {[%emt 0:00:10]} e6 {[%emt 0:00:30]} 3. d4 {[%emt 0:01:58]} cxd4 4. Nxd4 {[%emt 0:00:06]} Nc6 {[%emt 0:01:00]} 5. Nc3 {[%emt 1:29:22]} Qc7 {[%emt 0:00:00]} 6. Be3 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 7. Be2 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 8. O-O {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 9. Na4 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 10. Nxc6 {[%emt 0:00:00]} bxc6 {[%emt 0:00:00]} 11. Nb6 {[%emt 0:00:00] 11.f4 is vanishing.} Rb8 {[%emt 0:00:00]} 12. Nxc8 {[%emt 0:00:00]} Qxc8 {[%emt 0:00:00]} (12... Rfxc8 $11 {deserves consideration.} 13. Bxa6 Re8) 13. Bf4 $14 {[%emt 0:00:00] This bishop pair is nice. B49: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 7 Be2.} Rb6 {[%emt 0:00:00]} 14. e5 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00] [#]} 15. Bc1 $146 {[%emt 0:00:00] With the idea c4. The position is equal.} (15. Bg3 $5 {[%cal Rc2c4]}) ({Predecessor:} 15. Bg3 Bc5 16. c4 Ne7 17. b3 Nf5 18. Bd3 Bd4 19. Bxf5 Bxa1 20. Bc2 Bb2 21. Qh5 {1-0 (40) Lopez Andujar Ocana,A (2051)-Marin Aso,J (1881) Madrid 2016}) 15... Bc5 {[%emt 0:00:00]} 16. a3 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 17. Bd3 {[%emt 0:00:00]} Qc7 {[%emt 0:00:00]} 18. Qe1 {[%emt 0:00:00]} Rbb8 {[%emt 0:00:00]} 19. Rb1 {[%emt 0:00:00] [#]} (19. Bd2 $11) 19... Bxa3 $1 $15 {[%emt 0:00:00]} 20. Qe4 {[%emt 0:00:00][%csl Gd3][%cal Re4h7]} (20. c3 Be7) 20... f5 {[%emt 0:00:00]} 21. exf6 {[%emt 0:00:00]} Nxf6 {[%emt 0:00:00]} 22. Qh4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 23. Bd2 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 24. Ra1 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 25. Bg5 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} (25... h6 $17 26. Be3 Nd7) 26. Bf5 {[%emt 0:00:00]} (26. Bxf6 $11 Rxf6 27. Qxh7+ Kf7 28. Qh5+ Ke7 29. f3) 26... Bc5 {[%emt 0:00:00]} (26... h6 $5 {[%cal Rh6g5]} 27. Be3 d4 $15) 27. Bxf6 {[%emt 0:00:00]} gxf6 $2 {[%emt 0:00:00] [#]} (27... Rxf6 $15 28. Qxh7+ Kf7 29. Qh5+ Ke7) 28. Rxa5 $1 $16 {[%emt 0:00:00][%mdl 512]} Bd4 {[%emt 0:03:07]} (28... Rb5 29. Rxb5) 29. Ra3 $1 {[%emt 0:00:00]} ({But not} 29. c3 $6 Bb6 30. Ra6 Kh8 $16) 29... e4 {[%emt 0:04:42]} (29... Rxb2 $142 30. Qg4+ Kf7) 30. Rh3 {[%emt 0:00:00]} Rb7 {[%emt 0:02:02]} (30... Rf7 $142 31. Be6 Kh8) 31. Qg4+ $18 {[%emt 0:00:00]} Qg7 {[%emt 0:00:50]} 32. Bxh7+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:04]} 33. Qf5 {[%emt 0:00:00]} ({White should try} 33. Qh5+ $18 Ke7 34. Bxe4 $1 {[%mdl 512]} dxe4 35. Qf5) 33... Ke7 $16 {[%emt 0:01:28]} 34. Rg3 {[%emt 0:00:00] Chess con chili.} ({White should play} 34. Rd1 $16 Rxb2 35. Bg6 Rxc2 36. Rh7 Qxh7 37. Bxh7 Rxf2 38. Qxf2 (38. Rxd4 Rxf5 39. Bxf5 Kd6 $14) 38... Bxf2+ 39. Kxf2) 34... Qh6 {[%emt 0:00:20][%mdl 8192]} (34... Qf7 $14) 35. Bg8 $18 {[%emt 0:00:00] Hoping for Qe6+.} Kd6 {[%emt 0:01:50]} (35... Rd8 $142 36. c3 Be5) 36. Qe6+ {[%emt 0:00:00]} Kc5 {[%emt 0:00:57]} 37. b4+ {[%emt 0:02:04]} Kb5 {[%emt 0:00:36]} 38. c4+ Kxb4 {[%emt 0:00:23]} 39. Qxd5 $4 {[%mdl 8192]} cxd5 {[%emt 0:00:39][%mdl 32768] What a bad dream for White.  Weighted Error Value: White=0.53/Black=0.77. Loss on time!?} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.7"]
[White "Quesada Perez, Luis Ernesto"]
[Black "Hernandez Guerrero, Eduardo"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2517"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,51,35,39,62,67,83,69,115,109,134,129,168,125,152,138,147,58,216,199,189,87,98,98,80,76,109,109,110,119,330,57,1047,970]} 1. d4 {[%emt 0:00:23]} Nf6 {[%emt 0:00:13]} 2. c4 {[%emt 0:00:07]} c5 {[%emt 0:02:00]} 3. d5 {[%emt 0:00:29]} g6 {[%emt 0:01:03]} 4. Nc3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:06]} 5. e4 {[%emt 0:01:38]} d6 {[%emt 0:00:06]} 6. f3 {[%emt 0:05:23]} O-O {[%emt 0:05:02]} 7. Nge2 {[%emt 0:00:12]} e6 {[%emt 0:01:14]} 8. Ng3 {[%emt 0:00:06]} exd5 {[%emt 0:00:05]} 9. cxd5 {[%emt 0:00:04]} a6 {[%emt 0:01:02]} 10. a4 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:24]} 11. Be2 {[%emt 0:00:07]} Qc7 {[%emt 0:09:24] A65: Modern Benoni: 6 e4.} 12. O-O {[%emt 0:00:50]} Rb8 {[%emt 0:01:12]} 13. Be3 {[%emt 0:00:16]} c4 {[%emt 0:00:10]} (13... Re8 $14 {deserves consideration.}) 14. Qd2 $16 {[%emt 0:08:23]} Nc5 {[%emt 0:03:16]} 15. Bxc4 {[%emt 0:00:36]} Ncxe4 {[%emt 0:00:25]} 16. Ngxe4 {[%emt 0:13:38] [#]} Qxc4 $146 {[%emt 0:03:54]} ({Predecessor:} 16... Nxe4 17. Nxe4 Qxc4 18. Nxd6 Qh4 19. g3 Qf6 20. Nxc8 Rbxc8 21. d6 Rfd8 22. Rad1 Rd7 {0-1 (29) Sachdev,T (2392)-Cori Tello,D (2388) Chess.com INT 2021}) 17. Nxd6 {[%emt 0:00:56] Pair of Knights!} Qb4 {[%emt 0:01:52] [#]} 18. Nde4 {[%emt 0:00:10] &Bianco is much more active. The black rooks are badly placed.} (18. Rf2 $1 $16) 18... Bf5 $2 {[%emt 0:02:57]} (18... Nxe4 $1 $14 19. fxe4 Bd7) 19. Nxf6+ $1 $18 {[%emt 0:01:05]} Bxf6 {[%emt 0:00:07] [#]} 20. Ne4 {[%emt 0:04:00]} (20. g4 $1 $18 {[%cal Rg4f5] and White stays clearly on top.} Rfe8 21. Rad1 (21. gxf5 Rxe3 22. Rad1 Qc5 $14)) 20... Qxb2 $16 {[%emt 0:04:43]} 21. Nxf6+ {[%emt 0:00:23]} Qxf6 {[%emt 0:00:07]} 22. d6 {[%emt 0:03:19] Threatens to win with Bg5.} Rbc8 {[%emt 0:13:51]} 23. Rac1 {[%emt 0:24:37] Against Rc2} Rfd8 {[%emt 0:01:18]} 24. Rxc8 {[%emt 0:00:07]} Rxc8 $2 {[%emt 0:00:06]} (24... Bxc8 $16 25. Rd1 Re8) 25. Re1 $2 {[%emt 0:01:09]} ({Stronger than} 25. d7 Rd8 $11) (25. Bg5 $18 Rc2 {[#]} 26. Qxc2 $3 {[%mdl 512]} Qxg5 27. Qc1) 25... Rd8 $2 {[%emt 0:29:25][%mdl 8192]} (25... Bd7 $14) 26. Bg5 {[%emt 0:01:38] Weighted Error Value: White=0.33/Black=0.58} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.8"]
[White "Ibarra Chami, Luis Fernando"]
[Black "Flores Guerrero, Jesus Aldair"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2451"]
[BlackElo "2251"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,64,56,40,47,102,95,181,192,188,173,175,192,177,154,160,140,140,134,149,150,144,144,144,142,150,136,152,146,265,255,254,254,435,432,447,446,443,438,538,528,551,544,528,527,600,591,2410,2252,29993]} 1. c4 {[%emt 0:02:20]} f5 {[%emt 0:07:03]} 2. Nf3 {[%emt 0:01:29]} Nf6 {[%emt 0:00:08]} 3. g3 {[%emt 0:00:20]} b6 {[%emt 0:01:56]} 4. Bg2 {[%emt 0:04:46]} Bb7 {[%emt 0:00:11]} 5. O-O {[%emt 0:00:28]} e6 {[%emt 0:00:31]} 6. d4 {[%emt 0:01:40][%cal Bd2d4,Bd4d5][%mdl 32]} Be7 {[%emt 0:03:05]} 7. d5 {[%emt 0:02:10]} Qc8 {[%emt 0:14:50]} 8. Nc3 {[%emt 0:06:41]} O-O {[%emt 0:04:16]} 9. a3 {[%emt 0:13:18]} a5 {[%emt 0:16:36]} 10. Nd4 {[%emt 0:04:44] [#] A84: Dutch Defence: 2 c4 Miscellaneous.} c6 $146 {[%emt 0:13:31]} (10... Na6 $14) ({Predecessor:} 10... c5 11. Ndb5 Na6 12. Na4 Bd8 13. Nd6 Qb8 14. Nxb7 Qxb7 15. dxe6 Ne4 16. Nc3 dxe6 17. Nxe4 fxe4 18. Qc2 Ra7 19. Bxe4 Qf7 20. Bxh7+ Kh8 21. Bg6 Qf6 22. Qe4 Bc7 23. Qg4 Rd8 24. Qh5+ {1-0 (25) Zwardon,V (2466)-Orgon,D (1989) Kouty nad Desnou 2019}) 11. Bf4 $16 {[%emt 0:09:20] &Bianco is more active.} cxd5 {[%emt 0:19:40]} (11... Bc5 $16) 12. cxd5 $18 {[%emt 0:00:27] White is clearly better.} Nxd5 {[%emt 0:04:20]} 13. Nxd5 {[%emt 0:01:09]} Bxd5 {[%emt 0:00:16]} 14. Bxd5 {[%emt 0:01:36]} exd5 {[%emt 0:00:08]} 15. Rc1 {[%emt 0:00:31]} Nc6 {[%emt 0:07:24]} 16. Qb3 {[%emt 0:01:19][%csl LRb6,LRd5]} Qe8 {[%emt 0:00:49]} 17. Qxd5+ {[%emt 0:05:21]} Qf7 {[%emt 0:00:09]} 18. Qxf7+ {[%emt 0:00:23]} Rxf7 {[%emt 0:00:25]} 19. Nxc6 {[%emt 0:00:10]} dxc6 {[%emt 0:00:06]} 20. Rxc6 {[%emt 0:00:05]} Bc5 {[%emt 0:00:08]} 21. Rd1 {[%emt 0:00:53]} Re8 {[%emt 0:01:42]} 22. e3 {[%emt 0:01:13]} h6 {[%emt 0:00:09]} (22... Rb7 $16 23. Rb1 Be7) 23. Rd5 {[%emt 0:00:58]} g5 {[%emt 0:00:36]} 24. Be5 {[%emt 0:00:12]} ({And not} 24. Rxh6 gxf4 25. gxf4 Re4 $15) 24... Bf8 {[%emt 0:03:39] [#]} (24... Kh7 25. Bd4 Bxd4) 25. Rxb6 {[%emt 0:00:40] White is clearly winning.} a4 {[%emt 0:00:49]} 26. Ra6 {[%emt 0:01:18] Prevents Ra8.} Rfe7 {[%emt 0:00:27]} 27. Bf6 {[%emt 0:00:50]} Rc7 {[%emt 0:00:18]} 28. Rxf5 {[%emt 0:00:25]} Rf7 {[%emt 0:00:40]} 29. g4 {[%emt 0:00:17]} Re4 {[%emt 0:00:14]} 30. h3 {[%emt 0:00:09]} Rc7 {[%emt 0:00:38]} 31. Ra8 {[%emt 0:00:58]} Rc1+ {[%emt 0:00:13]} 32. Kg2 {[%emt 0:00:07]} Rd4 {[%emt 0:01:33] White took control after the opening.  Weighted Error Value: White=0.04 (flawless) /Black=0.39} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.9"]
[White "Figueredo Losada, Leonel"]
[Black "Perez Gormaz, Matias"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2342"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,64,-8,0,0,0,0,0,-110,0,-14,-29,-81,-90,-77,-82,-89,-94,-83,-41,-77,-43,-181,-126,-145,-145,-212,-204,-199,-217,-227,-228,-226,-214,-210,-85,-88,-86,-91,0,-454,-454,-454,-444,-444,-441,-436,-410,-526,-393]} 1. e4 {[%emt 0:00:30]} c6 {[%emt 0:04:46]} 2. d4 {[%emt 0:08:02]} d5 {[%emt 0:00:07]} 3. e5 {[%emt 0:03:02]} Bf5 {[%emt 0:00:09]} 4. Nc3 {[%emt 0:00:04]} e6 {[%emt 0:00:43]} 5. g4 {[%emt 0:00:03]} Bg6 {[%emt 0:00:08]} 6. Nge2 {[%emt 0:00:15]} c5 {[%emt 0:00:14]} 7. Be3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:41]} 8. dxc5 {[%emt 0:00:03]} Nxe5 {[%emt 0:02:13] 8...h5 is the fancy move.} 9. Nd4 {[%emt 0:00:03]} Nc6 {[%emt 0:05:59]} 10. Bb5 {[%emt 0:02:17] B12: Caro-Kann: Advance Variation.} Rc8 {[%emt 0:00:30]} 11. Qe2 {[%emt 0:04:15]} Nf6 {[%emt 0:14:10]} 12. O-O-O {[%emt 0:03:05]} (12. f4 $11) 12... Be7 {[%emt 0:00:20]} (12... Bxc5 $17 {aiming for ...0-0.} 13. g5 (13. Nxe6 Bxe3+ 14. Qxe3 fxe6 $17) 13... Nd7 14. Bxc6 bxc6) 13. g5 {[%emt 0:25:45]} Nd7 {[%emt 0:02:15]} 14. h4 {[%emt 0:00:05] [#]} (14. Nb3 $11 {keeps the balance.}) 14... Nxd4 $146 {[%emt 0:01:59]} (14... Bxc5 15. h5 Be4 16. Nxe4 dxe4 17. Bxc6 bxc6 18. h6 $16) ({Predecessor:} 14... Bxc5 15. Bxc6 bxc6 16. h5 Bxd4 17. Bxd4 Bf5 18. h6 Qxg5+ 19. Kb1 Qf4 20. Bxg7 Rg8 {0-1 (67) Herrstrom,T (2280)-Vernersson,P (2345) Ronneby 1998}) 15. Bxd4 {[%emt 0:00:10]} O-O {[%emt 0:00:26]} 16. Bxd7 {[%emt 0:23:01]} Qxd7 {[%emt 0:00:08]} 17. Qe3 {[%emt 0:00:41]} Bf5 {[%emt 0:12:11][%cal Ob7b6]} 18. h5 {[%emt 0:04:21]} Qc7 {[%emt 0:02:55][%cal Re7c5]} (18... b6 $5 {[%cal Rb6c5]} 19. cxb6 Rxc3 $1 20. bxc3 (20. Qxc3 $2 Rc8 $19) 20... Qa4 $15) 19. g6 {[%emt 0:02:23]} (19. Rd2 $1 $15) 19... fxg6 {[%emt 0:00:20]} (19... hxg6 20. b4 $11 (20. h6 f6 $17)) (19... h6 $19 {White must now prevent ...Bg5.} 20. gxf7+ Rxf7) 20. hxg6 {[%emt 0:01:08]} hxg6 {[%emt 0:00:41][%cal Re7c5]} 21. Rh8+ {[%emt 0:06:17]} (21. Rd2 $17) 21... Kf7 $19 {[%emt 0:00:05]} 22. Rh7 {[%emt 0:00:02] Strongly threatening Nb5.} Rg8 {[%emt 0:00:15]} 23. Nb5 {[%emt 0:00:05]} Qa5 {[%emt 0:01:23]} 24. Qb3 {[%emt 0:03:41]} a6 {[%emt 0:08:49]} ({Worse is} 24... Bxc5 25. Bxc5 Rxc5 26. Nd6+ Kf6 27. Nxb7 Bxc2 28. Qf3+ (28. Qe3 Qxa2 29. Qf4+ Bf5+ 30. Nxc5 Qa1+ 31. Kd2 Qxb2+ 32. Ke1 Qc3+ 33. Qd2 Qxc5 $17) 28... Bf5+ 29. Nxc5 Qxc5+ 30. Qc3+ Qxc3+ 31. bxc3 $15) 25. Nc3 {[%emt 0:00:08][%cal Oc3d5]} Bxc5 {[%emt 0:00:43] This bishop pair is nice.} (25... g5 $19 26. Rhh1 Bxc5 27. Qxb7+ Rc7) 26. Nxd5 $17 {[%emt 0:05:11]} exd5 {[%emt 0:06:17]} 27. Qxd5+ {[%emt 0:00:04] [#]} Kf8 {[%emt 0:04:50]} ({Better is} 27... Be6 $1 $17 {[%cal Re6d5]} 28. Qe5 {[#]} Qxa2 $1 29. Rxg7+ Rxg7 30. Qxg7+ Ke8 31. Bxc5 Rxc5 32. Qxg6+ Bf7 33. Qe4+ Qe6 34. Qxb7 Bg6) 28. c3 $2 {[%emt 0:03:20][%mdl 8192]} (28. Rdh1 $1 $11 {and White is okay.} Ke7 29. Qe5+ Kd7 30. Qd5+ Ke7 31. Qe5+ Kd7 32. Qd5+ Ke7) 28... Qc7 $19 {[%emt 0:05:03]} 29. Be5 {[%emt 0:06:55]} Qf7 {[%emt 0:01:36]} 30. Bd6+ {[%emt 0:00:00]} Bxd6 {[%emt 0:00:12]} 31. Qxd6+ {[%emt 0:00:00]} Qe7 {[%emt 0:00:09]} 32. Qd5 {[%emt 0:00:00]} Qe4 {[%emt 0:01:21] Weighted Error Value: White=0.58/Black=0.23 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.10"]
[White "Gonzalez Arroyo, Lenin"]
[Black "Torres Rosas, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2210"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,50,29,7,10,0,32,27,24,33,50,36,59,47,40,16,33,32,38,39,49,22,21,22,24,27,33,0,21,11,16,0,0,0,0,4,12,0,86,0,82,-20,-7]} 1. e4 {[%emt 0:00:26]} c5 {[%emt 0:00:36]} 2. Nf3 {[%emt 0:00:22][%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} Nc6 {[%emt 0:00:04]} 3. d4 {[%emt 0:02:22]} cxd4 {[%emt 0:00:25]} 4. Nxd4 {[%emt 0:00:09]} e5 {[%emt 0:00:16]} 5. Nb5 {[%emt 0:02:14]} d6 {[%emt 0:00:10]} 6. a4 {[%emt 0:06:37]} a6 {[%emt 0:05:19] B32: Sicilian: Löwenthal and Kalashnikov Variations.} 7. N5c3 {[%emt 0:00:31]} Be7 {[%emt 0:00:46]} 8. Nd5 {[%emt 0:01:24]} Nf6 {[%emt 0:00:09] White has an edge.} 9. Nbc3 {[%emt 0:00:17]} Nxd5 {[%emt 0:04:51]} 10. Nxd5 {[%emt 0:00:19]} O-O {[%emt 0:05:47]} 11. Be3 {[%emt 0:07:08]} Be6 {[%emt 0:01:16] [#]} 12. Be2 $146 {[%emt 0:02:20]} ({Predecessor:} 12. c3 f5 13. exf5 Bxf5 14. Bc4 Kh8 15. O-O Bg5 16. Qd2 Bxe3 17. Nxe3 Na5 18. Ba2 {0-1 (28) Bodrova,N (1908)-Stakh,A Ilichevsk 2007}) 12... Bg5 {[%emt 0:01:21]} 13. Bb6 {[%emt 0:02:40]} Qd7 {[%emt 0:00:39]} 14. O-O {[%emt 0:00:18]} Rac8 {[%emt 0:11:24] Prevents Nc7.} 15. Ra3 {[%emt 0:08:15]} Bxd5 {[%emt 0:13:04]} 16. exd5 {[%emt 0:00:26]} ({Of course not} 16. Qxd5 Nb4 17. Qb3 Nxc2 $15) 16... Ne7 {[%emt 0:00:09][%cal Bc6e7,Be7g6,Bg6e5][%mdl 32]} 17. c4 {[%emt 0:04:38]} Ng6 {[%emt 0:06:42]} 18. Be3 {[%emt 0:03:46]} Bxe3 {[%emt 0:15:12]} 19. fxe3 {[%emt 0:00:21]} f5 {[%emt 0:00:18]} 20. Rb3 {[%emt 0:07:26]} e4 {[%emt 0:00:30]} 21. Qd4 {[%emt 0:00:30]} Ne5 {[%emt 0:00:30]} 22. a5 {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 23. Rb6 {[%emt 0:00:30]} Rfd8 {[%emt 0:00:30]} (23... Nd7 $11 24. Rb3 g6) 24. h3 {[%emt 0:00:30]} (24. Rxf5 $16 Nd7 25. b4 (25. Qxe4 Re8 $15)) 24... Rd7 {[%emt 0:00:30]} (24... g6 $11) 25. Rb3 {[%emt 0:00:30]} (25. b4 $16) 25... Qxa5 {[%emt 0:00:30] Weighted Error Value: White=0.25 (precise) /Black=0.22 (precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.11"]
[White "Fernandez Hernandez, Arturo A."]
[Black "Lopez Raygoza, Luis Alberto"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2376"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,103,0,8,6,5,0,36,-26,0,-1,0,-9,15,-25,-4,-27,0,-43,-47,-111,-116,-122,-87,-101,-121,-106,-114,-89,-105,-116,-86,-149,-149,-283,-262,-318,-315,-314,-310,-313,-293,-288,0,0,158,150,161,153,189,172,223,231,206,222,229,212,247,233,200,59,59,59,134,0,0,0,89,89,275,278,309,307,439,405,444,444,537,531,12831,12827,5469,7698,3595,2914,29984,12837,12839,12839,29989,29976,29976,29974,29975,12842,12842,12839]} 1. Nf3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:16]} e6 {[%emt 0:00:33]} 3. e3 {[%emt 0:00:54]} d5 {[%emt 0:01:09]} 4. Nc3 {[%emt 0:00:39]} Bd6 {[%emt 0:03:31]} 5. d4 {[%emt 0:02:58]} O-O {[%emt 0:01:48]} 6. Bd3 {[%emt 0:02:44] A17: English Opening: 1...Nf6 with ...Bb4.} dxc4 {[%emt 0:01:14]} 7. Bxc4 {[%emt 0:00:02]} a6 {[%emt 0:00:05]} 8. a4 {[%emt 0:01:03]} (8. e4 $14 Be7 9. Bb3) 8... c5 {[%emt 0:01:07]} 9. O-O {[%emt 0:03:14]} Nc6 {[%emt 0:04:11]} 10. Qe2 {[%emt 0:02:51] [#]} Qe7 $146 {[%emt 0:00:22]} ({Predecessor:} 10... Qc7 11. Rd1 Rd8 12. h3 h6 13. d5 exd5 14. Nxd5 Nxd5 15. Bxd5 Nb4 16. Bc4 Bf5 {½-½ (76) Rambaldi,F (2556)-Christiansen,J (2504) Porto Mannu 2018}) 11. Rd1 {[%emt 0:01:48]} b6 {[%emt 0:05:27]} 12. dxc5 {[%emt 0:08:15]} Bxc5 {[%emt 0:00:34]} 13. e4 {[%emt 0:02:09]} Ng4 {[%emt 0:02:33]} 14. Bg5 {[%emt 0:05:08]} (14. Rf1 $1 $15) 14... Qc7 $17 {[%emt 0:00:28]} 15. Bh4 {[%emt 0:02:48] [#]} Nd4 $1 {[%emt 0:06:09][%mdl 512]} 16. Rxd4 {[%emt 0:00:09]} Bxd4 {[%emt 0:00:02]} 17. Bg3 {[%emt 0:00:09]} Be5 {[%emt 0:00:02]} 18. Nxe5 {[%emt 0:00:55]} Nxe5 {[%emt 0:00:02][%cal Bg4e5,Be5c6,Bc6d4][%mdl 32]} 19. Bb3 {[%emt 0:00:26]} Qc5 {[%emt 0:02:10]} 20. Rd1 {[%emt 0:12:53]} (20. Rc1 $142) 20... Bb7 {[%emt 0:08:45]} 21. Nd5 {[%emt 0:02:11]} (21. Qh5 $17 {was worth a try.} Nd3 22. Qe2) 21... Nc6 $19 {[%emt 0:11:56]} (21... exd5 22. Bxe5 Rfe8 23. Bd4 $17) 22. Bd6 {[%emt 0:13:58] [#]} Nd4 $1 {[%emt 0:00:19][%mdl 512]} 23. Nf6+ {[%emt 0:17:55]} Kh8 {[%emt 0:10:22]} 24. Qe3 {[%emt 0:03:19]} Qxd6 {[%emt 0:00:27]} 25. Rxd4 {[%emt 0:00:29]} Qc6 {[%emt 0:00:52]} (25... Qe7 $19 26. Ng4 Rfd8) 26. Rc4 $40 {[%emt 0:00:36][%mdl 128] Black needs to defend precisely.} Qxc4 {[%emt 0:09:22]} 27. Bxc4 $16 {[%emt 0:00:12]} gxf6 {[%emt 0:00:02]} 28. Qxb6 {[%emt 0:02:59]} Rab8 {[%emt 0:03:18][%cal Ob7d5]} 29. Qd4 {[%emt 0:00:44] Prevents Bd5.} (29. Bxa6 Bxa6 30. Qxa6 Rxb2 $11) 29... Kg7 {[%emt 0:01:29]} (29... e5 $142 30. Qe3 Rbd8) 30. e5 $18 {[%emt 0:03:39]} f5 {[%emt 0:00:58]} 31. Qh4 {[%emt 0:00:50] Strongly threatening Qf6+.} h6 {[%emt 0:00:10]} 32. f3 {[%emt 0:02:35]} Kh7 {[%emt 0:08:24]} 33. Qe7 {[%emt 0:00:51] Hoping for Bxe6.} Kg8 {[%emt 0:00:57]} 34. Kf2 {[%emt 0:01:36]} (34. Qf6 $18) 34... Bd5 $14 {[%emt 0:04:32]} 35. Bxd5 $1 {[%emt 0:00:31]} (35. Bxa6 Rxb2+ 36. Kg3 Kg7 $11) 35... Rxb2+ {[%emt 0:00:01]} ({Black should try} 35... Rfe8 $1 $14 36. Qf6 exd5) 36. Ke3 {[%emt 0:00:12]} ({White has to play} 36. Kg3 $16 exd5 37. Qf6) 36... exd5 $11 {[%emt 0:00:10][%mdl 4096] Endgame KQ-KRR} 37. g3 {[%emt 0:00:03]} Rb6 {[%emt 0:07:34]} (37... Rxh2 38. Kf4 $14) (37... Rb3+ $11 38. Kf4 Rfb8) 38. Kf4 $16 {[%emt 0:01:41]} d4 $2 {[%emt 0:03:01] [#] This costs Black the game.} (38... Rc8 $16) 39. Qd7 $1 $18 {[%emt 0:00:49]} (39. Kxf5 $6 Rfb8 40. Qd7 Rg6 41. Qxd4 Rc8 $18) 39... Kg7 {[%emt 0:04:22]} 40. Kxf5 {[%emt 0:00:17]} ({Don't do} 40. Qxd4 $6 Rfb8 41. Kxf5 (41. e6+ Kg6 $11) 41... Rb4 $18) 40... Re6 {[%emt 0:00:20]} (40... Rfb8 $142 41. f4 (41. Qxd4 Rb4 $18) 41... Kg8 42. Qxd4 Rc6) 41. Qxd4 {[%emt 0:00:21]} Rc8 {[%emt 0:00:24]} 42. f4 {[%emt 0:01:01]} Rc2 {[%emt 0:00:43]} 43. Kg4 {[%emt 0:00:10] And now f5 would win.} Re2 {[%emt 0:01:19]} 44. Kf3 {[%emt 0:00:07]} Re1 {[%emt 0:00:22]} 45. Qc3 {[%emt 0:00:06]} Rb1 {[%emt 0:00:46]} 46. f5 {[%emt 0:00:34] White wants to mate with f6+.} Reb6 {[%emt 0:00:00]} 47. e6+ {[%emt 0:00:15]} (47. f6+ $142 Kh7 48. Qc2+ Kh8 49. Qc8+ Kh7 50. Qf5+ Kh8 51. Qg4 Rf1+ 52. Kg2) 47... Kh7 {[%emt 0:00:25]} 48. Qf6 {[%emt 0:01:19]} R1b3+ {[%emt 0:00:53]} 49. Kg2 {[%emt 0:00:13]} fxe6 {[%emt 0:00:24]} 50. Qg6+ {[%emt 0:00:18]} Kh8 {[%emt 0:00:01]} 51. f6 {[%emt 0:00:20]} (51. Qe8+ $142 Kg7 52. Qe7+ Kh8 53. f6 Rb7 {[#]} 54. f7 $1 {[%mdl 512]} Rb8 55. f8=Q+ Rxf8 56. Qxf8+ Kh7 57. Qf7+ Kh8 58. Qxe6 Rb2+ 59. Kh3) 51... Rb7 {[%emt 0:00:36]} 52. f7 {[%emt 0:00:07] Weighted Error Value: White=0.26 (precise) /Black=0.71} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.12"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Gongora Montes, Benjamin"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2393"]
[BlackElo "2157"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,71,11,31,24,40,27,28,13,52,50,56,53,84,41,40,45,45,35,64,75,129,127,118,126,152,155,137,150,150,142,180,139,153,62,64,59,45,56,56,59,118,113,115,104,102,102,136,143,239,239,273,269,263,265,264,246,247,248,432,425,491,465,483,450]} 1. e4 {[%emt 1:31:00]} e5 {[%emt 0:02:43]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:04]} 3. Bc4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:07]} 4. d3 {[%emt 0:00:00]} h6 {[%emt 0:00:03]} 5. h3 {[%emt 0:00:00]} d6 {[%emt 0:01:30]} 6. a4 {[%emt 0:00:00] C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} g6 {[%emt 0:02:06]} 7. a5 {[%emt 0:03:00]} Bg7 {[%emt 0:00:15] [#]} 8. a6 $146 {[%emt 0:00:00] White has an edge.} ({Predecessor:} 8. Nc3 Be6 9. a6 b6 10. Nd5 Bxd5 11. exd5 Ne7 12. Bb5+ Nd7 13. g4 Rc8 14. c4 {½-½ (26) Krupenski,J (2396)-Sepp,O (2436) Viljandi 2016}) 8... bxa6 {[%emt 0:00:32]} 9. Bxa6 {[%emt 0:00:00]} O-O {[%emt 0:01:07]} 10. O-O {[%emt 0:00:00]} Nh5 {[%emt 0:06:58]} 11. Nc3 {[%emt 0:00:00][%cal Bb1c3,Bc3e2,Be2f4][%mdl 32]} Bxa6 {[%emt 0:04:35]} 12. Rxa6 {[%emt 0:00:00]} Nb4 {[%emt 0:00:09]} 13. Ra3 {[%emt 0:00:00]} c6 {[%emt 0:05:15]} 14. Be3 {[%emt 0:00:00]} Nf4 {[%emt 0:03:43]} (14... a5 $142) 15. Bxf4 $16 {[%emt 0:00:00]} ({Worse is} 15. Rxa7 Rxa7 16. Bxa7 c5 $17) 15... exf4 {[%emt 0:00:08] [#]} 16. Ne2 $1 {[%emt 0:00:00] Pair of Knights!} d5 {[%emt 0:03:45]} (16... Bxb2 $2 17. Rb3 $18) 17. e5 {[%emt 0:00:00] Hoping for c3.} c5 {[%emt 0:05:04]} 18. Nxf4 {[%emt 0:00:00]} Nc6 {[%emt 0:00:09]} 19. Re1 {[%emt 0:00:00]} Re8 {[%emt 0:00:56][%cal Rc6e5]} 20. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:47][%cal Rc6e5]} 21. Nxd4 {[%emt 0:00:00] &Bianco is more active.} (21. e6 $16) 21... Nxe5 $14 {[%emt 0:28:19]} 22. Rae3 {[%emt 0:00:00]} Qd7 {[%emt 0:00:08]} 23. b3 {[%emt 0:00:00] Prevents Nc4.} a5 {[%emt 0:24:09]} 24. c3 {[%emt 0:00:00][%cal Bc2c3,Bc3c4][%mdl 32]} Kf8 {[%emt 0:05:56]} ({Black should play} 24... Re7 $14) 25. Nf3 $16 {[%emt 0:00:00]} Nxf3+ {[%emt 0:00:23]} 26. Qxf3 {[%emt 0:00:00] [#] Strongly threatening Nxg6+.} ({And not} 26. gxf3 Rxe3 27. Rxe3 d4 28. cxd4 Qxd4 $15) 26... Rxe3 {[%emt 0:02:06]} 27. Rxe3 {[%emt 0:00:00]} Kg8 {[%emt 0:00:52]} 28. Nxd5 {[%emt 0:00:00]} ({Don't take} 28. Qxd5 Qxd5 29. Nxd5 a4 30. bxa4 Rxa4 $16) 28... Rf8 {[%emt 0:01:51]} (28... Re8 $16 {keeps fighting.} 29. Rxe8+ Qxe8) 29. c4 $40 {[%emt 0:00:00][%mdl 128] Black is in trouble.} Qd6 {[%emt 0:00:24]} 30. g3 {[%emt 0:00:00]} h5 {[%emt 0:00:12]} 31. Kg2 {[%emt 0:00:00]} Bd4 {[%emt 0:00:42]} 32. Rd3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:50]} 33. Qe4 {[%emt 0:00:00] Against Re8. aiming for Ne7+.} Qc5 {[%emt 0:00:12]} (33... Kh7 {might work better.} 34. Re3 Qc5) 34. g4 {[%emt 0:00:00] White is clearly winning.} hxg4 {[%emt 0:00:43]} 35. hxg4 {[%emt 0:00:00] Threatens to win with Ne7+.} Rb8 {[%emt 0:00:08]} 36. Ne7+ {[%emt 0:00:00] Weighted Error Value: White=0.08 (flawless) /Black=0.25 (precise)} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.13"]
[White "Luna Javier, Edgar Froylan"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2148"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,86,10,17,11,24,9,20,9,17,1,-8,0,50,20,57,38,29,40,66,20,9,24,25,0,0,-100,-2,-14,-18,-33,-25,-40,-27,-87,-25,-31,-20,-20,0,-30,-27,-27,0,0,0,2,12,-14,-15,-34,0,0,45,39,117,101,118,120,112,38,121,121,90,99,195,182,121,93,116,129,122,0,121,0,119,0,83]} 1. Nf3 {[%emt 0:09:07]} Nf6 {[%emt 0:00:23]} 2. g3 {[%emt 0:00:48]} d5 {[%emt 0:00:30]} 3. Bg2 {[%emt 0:00:08]} c6 {[%emt 0:00:12]} 4. O-O {[%emt 0:00:21]} Bf5 {[%emt 0:00:28]} 5. b3 {[%emt 0:02:51]} h6 {[%emt 0:05:55]} 6. Bb2 {[%emt 0:00:58]} e6 {[%emt 0:00:17]} 7. d3 {[%emt 0:00:56] A07: Réti Opening: New York and Capablanca Systems.} a5 {[%emt 0:00:29]} 8. Nbd2 {[%emt 0:06:02]} Be7 {[%emt 0:02:40]} 9. e4 {[%emt 0:04:09]} Bh7 {[%emt 0:11:42]} 10. Ne5 {[%emt 0:06:02] [#]} a4 $146 {[%emt 0:01:18]} ({Predecessor:} 10... O-O 11. Kh1 Nbd7 12. f4 Qc7 13. Qe2 Ra6 14. g4 Ne8 15. Ndf3 Nxe5 16. Bxe5 Qd8 {1-0 (39) Matovic,M (2264)-Radovic,G (1929) Belgrade 2017}) 11. bxa4 {[%emt 0:00:29]} Qb6 {[%emt 0:01:36]} (11... O-O $11) 12. Rb1 $14 {[%emt 0:00:55][%cal Oe5f7] Nxf7! is the strong threat.} Qa7 {[%emt 0:13:10]} 13. Bc3 {[%emt 0:07:15]} O-O $1 {[%emt 0:02:22]} 14. a5 {[%emt 0:05:40]} Na6 {[%emt 0:05:16]} 15. Nb3 {[%emt 0:10:56] &Bianco is more active.} (15. Ng4 $14) 15... dxe4 $11 {[%emt 0:08:16]} 16. dxe4 {[%emt 0:00:59]} Bxe4 {[%emt 0:02:00]} 17. Ng4 {[%emt 0:12:41]} Rfd8 {[%emt 0:04:17]} 18. Bd4 {[%emt 0:09:06]} (18. Qe2 $11 {keeps the balance.} Nxg4 19. Bxe4) 18... c5 {[%emt 0:11:34]} ({Black should play} 18... Bxg2 $1 $17 19. Bxa7 Rxd1 20. Nxf6+ Bxf6 21. Rfxd1 Be4) 19. Nxf6+ {[%emt 0:00:59]} Bxf6 {[%emt 0:00:30][%mdl 64] Pin} 20. Bxe4 {[%emt 0:00:21]} cxd4 {[%emt 0:00:42]} 21. Qh5 {[%emt 0:03:52]} Rac8 {[%emt 0:02:25]} 22. Rfd1 {[%emt 0:02:18]} (22. a3 $11) 22... Nc5 {[%emt 0:02:02]} (22... Nb4 $17 23. Nd2 Rc5 $1) 23. Nxc5 {[%emt 0:00:04]} Qxc5 {[%emt 0:01:45]} 24. Qf3 {[%emt 0:01:33]} Rc7 {[%emt 0:02:34]} 25. Bd3 {[%emt 0:08:02]} Qxa5 {[%emt 0:00:54]} 26. Rb2 {[%emt 0:00:32]} Rdd7 {[%emt 0:10:19]} 27. Rdb1 {[%emt 0:00:18]} Qa7 {[%emt 0:00:37]} 28. a4 {[%emt 0:01:01]} Re7 {[%emt 0:00:28]} 29. Qe4 {[%emt 0:00:12][%mdl 1024] Intending Qh7+ and mate. White has compensation.} g6 {[%emt 0:00:32]} 30. Rb4 {[%emt 0:00:14]} Kg7 {[%emt 0:00:21]} 31. h4 {[%emt 0:00:10][%cal Oh4h5]} Qa5 {[%emt 0:01:29]} 32. Rb5 {[%emt 0:01:20]} Qd2 {[%emt 0:03:24]} (32... Qc3 $14) 33. h5 $16 {[%emt 0:00:12]} gxh5 {[%emt 0:00:38]} 34. Rxh5 {[%emt 0:00:27]} Kf8 {[%emt 0:00:21] [#]} 35. Qf3 {[%emt 0:00:55]} (35. Rhb5 $1 $16) 35... Bg7 {[%emt 0:01:21]} (35... Bg5 $14) 36. Rhb5 {[%emt 0:00:01]} Qc3 {[%emt 0:00:40]} 37. Kg2 {[%emt 0:00:54]} ({Of course not} 37. Rxb7 $6 Rxb7 38. Rxb7 Rxb7 39. Qxb7 Qa1+ 40. Kg2 Qxa4 $11) 37... Qa3 {[%emt 0:01:50]} (37... Qc6 $16) 38. a5 $18 {[%emt 0:00:50]} ({Worse is} 38. Rxb7 Rxb7 39. Rxb7 Rxb7 40. Qxb7 Qxa4 $11) 38... Red7 {[%emt 0:00:36]} 39. Qe4 {[%emt 0:00:46]} ({Much worse is} 39. Rxb7 $6 Rxb7 40. Rxb7 Rxb7 41. Qxb7 Qxa5 $11) 39... Bf6 {[%emt 0:00:44]} 40. Qf4 {[%emt 0:00:33]} Bg7 {[%emt 0:00:24]} 41. Qe4 {[%emt 0:00:01]} Bf6 $1 {[%emt 0:00:08]} 42. Qf4 {[%emt 0:01:03]} Bg7 {[%emt 0:00:09]} 43. Qe4 {[%emt 0:00:32]} Bf6 $1 {[%emt 0:00:24] Weighted Error Value: White=0.25 (precise) /Black=0.19 (very precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.14"]
[White "Rosales Campos, Paul"]
[Black "Benitez Lozano, Javier"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "2039"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 30,134,33,11,49,21,24,-27,-12,-27,4,21,70,16,46,13,13,0,17,-21,43,27,52,38,28,0,0,0,0,-46,-58,-52,-49,-108,-111,-97,-105,-103,-66,-72,-70,-102,-104,-180,-181,-179,-177,-184,-177,-213,-213,-227,-210,-235,-230,-241,-220,-264,-263,-310,-309,-514,-518,-486,-419,-672,-709,-621,-536,-777,-738,-949,-890,-1372,-1309,-1510,-1381,-29978,-29979,-29970,-1801,-1688,-1579,-29976,-29976,-29975,-29974,-29976,-29971,-29983,-29984,-29984,-29985,-29985,-29986,-29985,-29981,-29981,-29982,-29982,-29980,-29979,-29980,-29980,-29979,-29979,-29960]} 1. e4 {[%emt 0:00:17]} c5 {[%emt 0:01:25]} 2. Nf3 {[%emt 0:00:51]} e6 {[%emt 0:00:18]} 3. d4 {[%emt 0:00:34]} cxd4 {[%emt 0:00:17]} 4. Nxd4 {[%emt 0:00:25]} a6 {[%emt 0:00:18]} 5. c4 {[%emt 0:00:57]} Nf6 {[%emt 0:00:27]} 6. Nc3 {[%emt 0:00:59]} Qc7 {[%emt 0:00:23]} 7. Be2 {[%emt 0:04:25]} b6 {[%emt 0:00:43]} 8. Be3 {[%emt 0:28:30]} Bb7 {[%emt 0:01:22]} 9. f3 {[%emt 0:06:48]} Be7 {[%emt 0:05:26]} 10. a3 {[%emt 0:06:28]} d6 {[%emt 0:07:09]} 11. Qd2 {[%emt 0:03:57]} O-O {[%emt 0:02:55]} 12. Rc1 {[%emt 0:07:29]} Nbd7 {[%emt 0:01:06]} 13. O-O {[%emt 0:01:04]} Rac8 {[%emt 0:01:14]} 14. Rfd1 {[%emt 0:01:56]} Qb8 {[%emt 0:04:34]} 15. Qe1 {[%emt 0:01:29]} Rfe8 {[%emt 0:01:37]} 16. Qf2 {[%emt 0:04:50] [#]} h5 $146 {[%emt 0:09:41] A31: Symmetrical English: 2 Nf3 Nf6 3 d4.} ({Predecessor:} 16... Bd8 17. b4 Ne5 18. Nb3 Nxc4 19. Bxc4 Rxc4 20. Bxb6 Be7 21. Na5 Rcc8 22. Ba7 Qa8 23. Nxb7 Qxb7 24. Qb6 Qxb6+ 25. Bxb6 {½-½ (44) Zhapova,Y (2196)-Mijailovic,Z (2368) Belgrade 2021}) 17. Kh1 {[%emt 0:09:07]} h4 {[%emt 0:10:32]} 18. Qxh4 {[%emt 0:11:11] [#]} ({Better is} 18. b4) 18... Nxe4 $1 $11 {[%emt 0:03:14] Black has an edge.} 19. Qh3 {[%emt 0:00:57]} (19. Qh5 Nxc3) 19... Nef6 {[%emt 0:19:40]} 20. f4 {[%emt 0:01:00]} Bf8 {[%emt 0:05:15]} (20... d5 $11 {is superior.}) 21. Re1 {[%emt 0:04:12]} (21. f5 $1 $14) 21... Nc5 {[%emt 0:07:34]} 22. b4 {[%emt 0:01:41]} Nce4 {[%emt 0:01:45]} 23. Kg1 {[%emt 0:02:03]} g6 {[%emt 0:05:12]} 24. Nf3 {[%emt 0:00:27]} Bg7 {[%emt 0:03:15]} (24... Nxc3 $11 25. Rxc3 Bxf3 26. Bxf3 b5) 25. Nxe4 $14 {[%emt 0:00:20]} Bxe4 {[%emt 0:01:59]} 26. Ng5 {[%emt 0:00:39]} b5 {[%emt 0:02:58]} 27. cxb5 {[%emt 0:00:44]} (27. Bd4 {feels hotter.} Qb7 28. c5 dxc5 29. bxc5 Red8 30. Be5) 27... Rxc1 {[%emt 0:00:21]} 28. Rxc1 {[%emt 0:00:07]} axb5 {[%emt 0:00:09]} 29. Nxe4 {[%emt 0:00:36]} (29. Bd4 $11 Qb7 30. Bxb5 $1 Bxg2 31. Qd3 (31. Qxg2 Qxb5 32. Qc6 Qb8 $11)) 29... Nxe4 $15 {[%emt 0:00:07]} 30. Qf3 {[%emt 0:00:25]} d5 {[%emt 0:01:56]} 31. Bc5 {[%emt 0:00:53]} (31. g4 $15) 31... Nxc5 $17 {[%emt 0:01:45] &Nero is more active.} 32. bxc5 {[%emt 0:00:08]} Bd4+ {[%emt 0:01:01][%cal Bg7d4,Bd4e3,Be3f4][%mdl 32]} 33. Kh1 {[%emt 0:00:42]} Rc8 {[%emt 0:00:18][%cal Be8c8,Bc8c6,Bc6b6,Bb6b2][%mdl 32]} 34. c6 {[%emt 0:00:41] [#]} Qb6 $1 {[%emt 0:00:54] Black continues to play with concentration.} 35. Qd3 {[%emt 0:00:23]} Be3 {[%emt 0:00:35]} 36. Re1 {[%emt 0:00:41]} (36. Rf1 $17) 36... Rxc6 $19 {[%emt 0:00:32]} 37. Qxb5 {[%emt 0:00:06]} Bxf4 {[%emt 0:00:28][%cal Ob6f2]} 38. g3 {[%emt 0:00:50]} Bd2 {[%emt 0:00:33]} 39. Qxb6 {[%emt 0:00:28]} Rxb6 {[%emt 0:00:04][%mdl 4096] Endgame KRB-KRB} 40. Rd1 {[%emt 0:00:13]} Bc3 {[%emt 0:00:35]} 41. a4 {[%emt 0:00:54]} Rb2 {[%emt 0:00:07]} 42. Bb5 {[%emt 0:00:25]} f5 {[%emt 0:01:06]} 43. Rd3 {[%emt 0:00:29]} d4 {[%emt 0:00:11] Strongly threatening ...e5.} 44. Bc4 {[%emt 0:00:07]} Kf7 {[%emt 0:00:05]} 45. a5 $2 {[%emt 0:00:14]} (45. Rf3 {keeps fighting.}) 45... Rb4 {[%emt 0:00:18]} 46. Ba6 {[%emt 0:00:50]} Ra4 {[%emt 0:00:09]} 47. Kg2 {[%emt 0:00:28]} (47. g4 $142) 47... Rxa5 {[%emt 0:00:04]} 48. Bc4 {[%emt 0:00:04]} Kf6 {[%emt 0:00:31]} 49. h4 {[%emt 0:00:16]} e5 {[%emt 0:00:09][%cal Be6e5,Be5e4][%mdl 32]} 50. Rd1 {[%emt 0:00:11]} Ra4 {[%emt 0:00:54]} 51. Bd5 {[%emt 0:00:20]} Rb4 {[%emt 0:00:16]} 52. g4 {[%emt 0:01:49]} e4 {[%emt 0:00:05] White must now prevent ...e3.} 53. g5+ {[%emt 0:00:23]} Ke5 {[%emt 0:00:37]} 54. Bf7 {[%emt 0:00:09]} Rb6 {[%emt 0:02:05]} (54... Rb2+ $142 55. Kg3 e3 56. Bc4 e2 57. Bxe2 Rxe2 58. Kf3 Re3+ 59. Kf2 Ke4 60. Rc1 Rh3 61. Kg2 Rxh4 62. Rc2 Rg4+ 63. Kf2 Rf4+ 64. Kg3 Be1+ 65. Kg2 d3 66. Rb2 d2 67. Rb4+ Ke3 68. Rb1 Ke2 69. Kg1 Rg4+ 70. Kh2 Kf1 71. Rb3 Rh4+ 72. Rh3 Rxh3+ 73. Kxh3 d1=Q 74. Kh2 Qh5#) 55. h5 {[%emt 0:00:57]} gxh5 {[%emt 0:00:12] ...Rb2+ is the strong threat.} 56. Bxh5 {[%emt 0:00:20]} Kf4 {[%emt 0:01:04] Black mates.} 57. g6 {[%emt 0:00:15]} d3 {[%emt 0:00:15]} 58. Rc1 {[%emt 0:01:00]} Bf6 {[%emt 0:00:36]} 59. Rc7 {[%emt 0:00:43]} Kg5 {[%emt 0:00:33]} 60. g7 {[%emt 0:00:28] [#]} Bxg7 $1 {[%emt 0:00:23][%mdl 512]} 61. Rxg7+ {[%emt 0:00:05]} Kxh5 {[%emt 0:00:07] KR-KR} 62. Kf2 {[%emt 0:00:04]} Rb2+ {[%emt 0:01:24]} 63. Ke3 {[%emt 0:00:19]} Re2+ {[%emt 0:00:10]} 64. Kf4 {[%emt 0:00:31]} Rf2+ {[%emt 0:00:23]} 65. Ke3 {[%emt 0:00:51]} Rf3+ {[%emt 0:00:35]} 66. Kd2 {[%emt 0:00:05]} Kh4 {[%emt 0:00:14]} 67. Rg8 {[%emt 0:00:28]} Rg3 {[%emt 0:01:50] Weighted Error Value: White=0.75/Black=0.16 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.15"]
[White "Rascon Vega, Alfonso"]
[Black "Maass Garza R, Alejandro"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2107"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,75,21,53,44,51,28,42,38,86,80,75,39,48,54,54,34,45,0,0,0,78,86,141,122,145,-22,0,-15,60,62,92,84,285,288,262,270,291,-243,-265,-186,-255,-232,0,0,0,-45,-26,-55,0,0,0,0,0,0,714,693,762,747]} 1. e4 {[%emt 0:05:03]} c5 {[%emt 0:00:38]} 2. Nf3 {[%emt 0:00:23]} e6 {[%emt 0:00:29]} 3. c4 {[%emt 0:00:17]} Nc6 {[%emt 0:00:40]} 4. b3 {[%emt 0:00:33]} d6 {[%emt 0:01:43]} 5. Bb2 {[%emt 0:00:17]} Nf6 {[%emt 0:00:28]} 6. Nc3 {[%emt 0:00:21]} Be7 {[%emt 0:00:24]} 7. d4 {[%emt 0:00:17]} cxd4 {[%emt 0:01:24]} 8. Nxd4 {[%emt 0:00:06][%cal Bf3d4,Bd4c2,Bc2e3,Be3c4][%mdl 32]} O-O {[%emt 0:03:45]} 9. Be2 {[%emt 0:00:39]} a6 {[%emt 0:01:25]} 10. O-O {[%emt 0:00:19]} Qc7 {[%emt 0:01:17]} 11. Rc1 {[%emt 0:00:50] B40: Sicilian: 2...e6, Unusual lines.} Bd7 {[%emt 0:01:14]} 12. Kh1 {[%emt 0:02:31]} Rac8 {[%emt 0:09:20]} 13. Nc2 {[%emt 0:01:43] [#] White is slightly better.} Ne8 $146 {[%emt 0:11:53]} (13... Qa5 $14) ({Predecessor:} 13... Rfe8 14. f4 Bf8 15. Qd3 Qb8 16. Bf3 Rcd8 17. g4 h6 18. Rg1 Nh7 19. Ne2 b5 20. cxb5 axb5 {1-0 (46) Zakarian,D (2408)-Josse,M (2173) Daventry 2013}) 14. f4 $16 {[%emt 0:02:33]} Bf6 {[%emt 0:01:46]} 15. Bd3 {[%emt 0:01:34]} Qa5 {[%emt 0:04:51]} 16. Ne3 {[%emt 0:02:04]} Bd4 {[%emt 0:05:12]} 17. Rf3 {[%emt 0:01:38]} Nf6 {[%emt 0:04:03]} 18. c5 {[%emt 0:05:23]} e5 {[%emt 0:04:32] aiming for ...exf4.} (18... Qxc5 19. Ncd5 exd5 20. Rxc5 dxc5 21. Bxd4 Nxd4 22. e5 $14) 19. Nc4 {[%emt 0:08:42]} Qxc5 {[%emt 0:06:49]} (19... Qd8 $1 $11 {remains equal.}) 20. Ba3 {[%emt 0:01:22]} Nb4 {[%emt 0:01:20]} (20... Qa7 $142) 21. fxe5 $1 {[%emt 0:02:41]} dxe5 {[%emt 0:03:34] [#]} 22. Ne2 $2 {[%emt 0:14:22]} (22. Rxf6 $1 $16 {[%mdl 512]} gxf6 23. Bxb4 (23. Nd5 Nxd3 24. Qxd3 Qxa3 $14) 23... Qxb4 24. Nd5 Rxc4 25. Nxb4 Rxb4 26. Bc4) 22... a5 {[%emt 0:03:17]} (22... b5 $5 {[%cal Rd7g4]}) 23. Nxd4 {[%emt 0:00:56]} Qxd4 {[%emt 0:00:34]} (23... exd4 $11 24. e5 Ng4) 24. Bb2 $14 {[%emt 0:00:13]} Qa7 {[%emt 0:01:11]} 25. Nxe5 {[%emt 0:01:14]} Bg4 {[%emt 0:00:54]} (25... Nxd3 $16 26. Rxc8 (26. Rxd3 Nxe4 27. Bd4 Qxd4 $15) (26. Qxd3 Rxc1+ 27. Bxc1 Qc5 $11) 26... Rxc8 27. Qxd3 b5) 26. Rxc8 $18 {[%emt 0:00:49]} Rxc8 {[%emt 0:00:40]} 27. Bc4 $1 {[%emt 0:00:39]} Bxf3 {[%emt 0:05:42]} 28. Qxf3 {[%emt 0:00:31][%mdl 8192]} (28. Bxf7+ $18 {was the only winning move.} Kh8 29. Qxf3) 28... b5 $1 $19 {[%emt 0:05:32]} 29. Bxf7+ {[%emt 0:00:41] [#]} Kf8 $1 {[%emt 0:00:34] Hoping for ...Rc2.} 30. Be6 {[%emt 0:01:36] [#]} Rd8 {[%emt 0:02:35]} (30... Rc2 $1 $19 {[%cal Rc2b2]} 31. Nd7+ Ke7 32. Bxf6+ Kxe6 33. Nf8+ Kd6) 31. h4 {[%emt 0:01:38] a3 is the strong threat.} Qe7 {[%emt 0:02:16]} 32. Bf5 {[%emt 0:03:30] Threatens to win with a3. This bishop pair is nice.} (32. Qf5 $2 Rd1+ 33. Kh2 Qd6 $19) 32... Qd6 {[%emt 0:01:28] Strongly threatening ...Nd3.} 33. Qf2 {[%emt 0:22:22]} Qc7 {[%emt 0:07:54]} (33... Kg8 $1 $15 34. Qa7 Nc6 35. Qf7+ Kh8 36. Nxc6 Qxc6) 34. Bg4 $11 {[%emt 0:04:37]} Qc2 {[%emt 0:01:51]} 35. Qb6 $40 {[%emt 0:04:11][%csl LRa5,LRb5,LRd8][%mdl 128] Black needs to defend precisely.} (35. Qxc2 $2 Nxc2 36. Be2 Nd4 37. Bxd4 Rxd4 38. Bxb5 Rxe4 $17) 35... Qb1+ {[%emt 0:01:27]} 36. Kh2 {[%emt 0:00:06] Dancing on a razor blade.} Nxg4+ $4 {[%emt 0:00:42][%mdl 8192]} (36... Nc6 $11 37. Ba3+ (37. Qxc6 Nxg4+ 38. Nxg4 Qxb2 $11) (37. Qc5+ Ne7 $16) 37... b4 38. Qxc6 (38. Qc5+ Ne7 $11) 38... Nxg4+ 39. Nxg4 bxa3) 37. Nxg4 $18 {[%emt 0:00:06]} Qd1 {[%emt 0:02:00] [#] White must now prevent ...Qd6+.} 38. Bxg7+ $1 {[%emt 0:00:09][%mdl 512] Weighted Error Value: White=0.39/Black=0.37} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.16"]
[White "Tapie Amione, Pablo Adib"]
[Black "Bayona Ordonez, Andres David"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2241"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,77,0,12,-15,-7,-16,35,45,49,49,49,42,53,54,60,33,64,64,63,51,116,75,106,107,104,90,96,104,135,134,148,148,138,145,216,209,241,217,246,241,241,236,248,237,256,233,317,323,337,321,488,478,605,606,633,639,1226,1139,5489,1107,29986,29987,29987,29988,29990,1327,1243,1216,1818,942]} 1. e4 {[%emt 0:06:07]} e6 {[%emt 0:00:05]} 2. d4 {[%emt 0:01:05]} d5 {[%emt 0:00:05]} 3. e5 {[%emt 0:00:20]} c5 {[%emt 0:00:09]} 4. c3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:17]} 5. Nf3 {[%emt 0:00:06]} Nge7 {[%emt 0:02:12]} 6. h4 {[%emt 0:23:10] C02: French: Advance Variation.} cxd4 {[%emt 0:05:19]} 7. cxd4 {[%emt 0:00:05]} Nf5 {[%emt 0:05:12]} ({Better is} 7... Qb6 $11) 8. g4 $14 {[%emt 0:01:41] [#] White is slightly better.} Nh6 $146 {[%emt 0:03:20]} ({Predecessor:} 8... Nfe7 9. a3 Bd7 10. b4 a6 11. Bb2 Nc8 12. Nbd2 Be7 13. Rc1 b5 14. Nb3 Nb6 {0-1 (50) Marko,P (1396)-Olsen,W (1584) Porec 2015}) 9. Rg1 {[%emt 0:01:30]} Bd7 {[%emt 0:03:34]} 10. Nc3 {[%emt 0:02:51]} a6 {[%emt 0:02:38]} 11. a3 {[%emt 0:01:48][%cal Ba2a3,Ba3a4][%mdl 32]} Rc8 {[%emt 0:04:04]} 12. Bg5 {[%emt 0:00:58]} Qa5 {[%emt 0:03:56]} 13. Be2 {[%emt 0:06:38]} b5 {[%emt 0:03:41]} 14. Kf1 {[%emt 0:02:05]} Be7 {[%emt 0:04:32] White stays focused until the end.} (14... Ng8 $14) 15. Bf4 {[%emt 0:20:24]} Qd8 {[%emt 0:06:20]} 16. a4 {[%emt 0:06:48]} b4 {[%emt 0:08:09]} 17. Na2 {[%emt 0:00:15][%cal Bc3a2,Ba2c1,Bc1b3][%mdl 32] &Bianco is more active.} a5 {[%emt 0:04:01]} 18. Nc1 {[%emt 0:00:17]} Qb6 {[%emt 0:07:55] Prevents Ba6.} 19. Nb3 {[%emt 0:01:28]} Na7 {[%emt 0:05:25]} 20. Qd2 {[%emt 0:01:43]} Ng8 {[%emt 0:03:09]} 21. h5 {[%emt 0:00:27]} Kd8 {[%emt 0:04:51]} (21... Nc6 $16 22. Bb5 Qa7) 22. Kg2 {[%emt 0:02:44]} Kc7 {[%emt 0:03:16]} 23. Nc5 {[%emt 0:05:09]} Bxc5 {[%emt 0:01:34]} 24. dxc5 {[%emt 0:00:12]} Qb7 {[%emt 0:00:20]} 25. Nd4 {[%emt 0:00:07]} Kb8 {[%emt 0:03:24]} 26. Rgc1 {[%emt 0:01:27]} Ne7 {[%emt 0:03:06]} 27. Nb5 {[%emt 0:00:12]} Nxb5 {[%emt 0:02:22]} 28. axb5 {[%emt 0:00:06]} Bxb5 {[%emt 0:00:46]} 29. Rxa5 {[%emt 0:00:06]} Bxe2 {[%emt 0:00:18]} (29... Bc4 $142 30. Ra4 (30. Bxc4 dxc4+ 31. Kh2 Rhd8 $16) 30... Nc6) 30. Qxe2 $18 {[%emt 0:00:03] And now Rb5 would win.} Kc7 {[%emt 0:00:22]} 31. Ra6 {[%emt 0:01:02]} d4+ {[%emt 0:03:38]} 32. c6 {[%emt 0:00:32]} Qb8 {[%emt 0:00:33]} 33. Qc4 {[%emt 0:00:25]} Nd5 {[%emt 0:00:37] [#]} 34. Qc5 $1 {[%emt 0:01:19]} Nxf4+ {[%emt 0:02:02]} (34... Kd8 35. Bg5+) 35. Kf3 {[%emt 0:00:06][%csl Ge5][%cal Rc5d6]} Kd8 {[%emt 0:00:24]} 36. Kxf4 {[%emt 0:00:50]} f6 {[%emt 0:01:23]} 37. Qd6+ {[%emt 0:00:39]} (37. c7+ $142 Qxc7 38. Qxd4+ Ke8 39. Rxc7 Rxc7 40. Ra8+ Kf7 41. Rxh8 h6 42. Qd6) 37... Qxd6 {[%emt 0:01:38]} 38. exd6 {[%emt 0:00:02][%cal Be5d6,Bd6d7][%mdl 32] White wants to mate with Rca1.} Rf8 {[%emt 0:00:14]} 39. d7 {[%emt 0:00:20] Weighted Error Value: White=0.08 (flawless) /Black=0.46} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.17"]
[White "Avila Rodriguez, Joshua Ad"]
[Black "Guerrero Cataldo, Juan Andres"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2182"]
[BlackElo "1976"]
[Annotator "RC"]
[PlyCount "45"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:02:25]} d5 {[%emt 0:00:09]} 2. exd5 {[%emt 0:00:17]} Qxd5 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:10]} Qd6 {[%emt 0:00:01]} 4. d4 {[%emt 0:00:12]} Nf6 {[%emt 0:00:02]} 5. Nf3 {[%emt 0:00:09]} c6 {[%emt 0:00:07]} 6. Ne5 {[%emt 0:06:25]} g6 {[%emt 0:01:41]} 7. Bf4 {[%emt 0:10:42]} Qb4 {[%emt 0:03:46]} 8. a3 {[%emt 0:01:26]} Qxb2 {[%emt 0:01:51]} 9. Na4 {[%emt 0:00:11]} Qxa1 {[%emt 0:01:40]} 10. Qxa1 {[%emt 0:00:06]} Nd5 {[%emt 0:00:15]} 11. Bd2 {[%emt 0:01:36]} Bg7 {[%emt 0:00:02]} 12. Bd3 {[%emt 0:00:43]} O-O {[%emt 0:00:04]} 13. h4 {[%emt 0:02:12]} Nf6 {[%emt 0:01:28]} 14. Qc1 {[%emt 0:01:23]} h5 {[%emt 0:01:20]} 15. Bh6 {[%emt 0:00:16]} Nbd7 {[%emt 0:00:07]} 16. Bxg7 {[%emt 0:01:54]} Kxg7 {[%emt 0:00:02]} 17. Qg5 {[%emt 0:00:55]} Nxe5 {[%emt 0:01:08]} 18. dxe5 {[%emt 0:00:06]} Ng8 {[%emt 0:00:10]} 19. f3 {[%emt 0:00:13]} Nh6 {[%emt 0:02:36]} 20. g4 {[%emt 0:01:28]} b6 {[%emt 0:01:04]} 21. gxh5 {[%emt 0:00:20]} Bf5 {[%emt 0:00:08]} 22. Bxf5 {[%emt 0:00:38]} Nxf5 {[%emt 0:00:07]} 23. hxg6 {[%emt 0:02:09]} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.18"]
[White "Montes Orozco, Miguel Angel"]
[Black "Capo Vidal, Uriel"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1914"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,69,0,0,-73,138,107,111,123,100,91,86,76,105,94,105,95,129,117,275,270,275,265,268,265,278,249,281,294,316,296,485,482,456,472,443,422,473,470,635,428,637,642,977,961,896,868,1593,1552,29990,29991,29991,29992,29997,29998,29998,29999]} 1. d4 {[%emt 0:01:59]} d5 {[%emt 0:08:59]} 2. c4 {[%emt 0:00:16]} e6 {[%emt 0:00:12]} 3. Nc3 {[%emt 0:00:20]} c6 {[%emt 0:01:01]} 4. e4 {[%emt 0:02:35]} dxe4 {[%emt 0:01:45]} 5. Nxe4 {[%emt 0:00:31]} Bb4+ {[%emt 0:00:08]} 6. Bd2 {[%emt 0:00:05]} Qxd4 {[%emt 0:00:09]} 7. Bxb4 {[%emt 0:00:06]} Qxe4+ {[%emt 0:00:10]} 8. Be2 {[%emt 0:00:11]} Na6 {[%emt 0:01:28]} 9. Ba3 {[%emt 0:03:21] D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} (9. Ba5 $11 {keeps the balance.} Bd7 10. Nf3) 9... Qxg2 $2 {[%emt 0:03:22] [#]} (9... Bd7 $17 {stays on course.}) 10. Qd6 $1 {[%emt 0:01:34][%cal Oa1d1][%mdl 512] White threatens Rd1! and mate.} c5 {[%emt 0:01:01]} (10... Qxh1 11. Rd1 $1) 11. Bf3 {[%emt 0:02:58] White is better.} Qg5 {[%emt 0:00:03] [#]} 12. Bc6+ $1 $40 {[%emt 0:01:14][%mdl 128] Black is in trouble.} bxc6 {[%emt 0:00:08]} 13. Qxc6+ {[%emt 0:00:14]} Ke7 {[%emt 0:01:12] aiming for ...Rb8.} 14. Qxa8 {[%emt 0:01:25]} ({Of course not} 14. Nf3 $6 Qf4 15. Rd1 (15. Qxa8 Qc7 $11) 15... Rb8 $11) 14... Qe5+ {[%emt 0:00:13]} 15. Ne2 {[%emt 0:09:00]} Qc7 {[%emt 0:02:41] [#] ...Bb7 is the strong threat.} 16. Qg2 {[%emt 0:02:29] [#]} Bb7 $146 {[%emt 0:03:42] [#] This costs Black the game.} (16... Nf6 $16 {might work better.}) ({Predecessor:} 16... Nf6 17. Qg3 e5 18. O-O-O Be6 19. Nc3 Kf8 20. Rhe1 Nd7 21. Nd5 Qb7 22. Rxe5 Nxe5 23. Qxe5 h5 24. Nf4 Rh6 25. Rd8+ Ke7 26. Qf6+ Kxf6 27. Nxe6 {1-0 (27) Bolduc,S (2259)-Lesiege,A (2513) Montreal 2004}) 17. Qxg7 $1 $18 {[%emt 0:11:03]} Bxh1 {[%emt 0:00:10]} (17... Nf6 18. Qxh8) 18. Qxh8 {[%emt 0:00:07]} Nf6 {[%emt 0:00:11]} 19. Rd1 {[%emt 0:00:20]} Bf3 {[%emt 0:07:31]} 20. Rd2 {[%emt 0:04:02]} Bg4 {[%emt 0:11:27]} 21. Qa8 {[%emt 0:05:58]} Nd7 {[%emt 0:01:07]} 22. f3 {[%emt 0:13:37]} Bf5 {[%emt 0:02:34]} (22... Bh5 23. Nd4 Nab8) 23. Nd4 {[%emt 0:01:03]} Bg6 {[%emt 0:11:59]} 24. Nc6+ {[%emt 0:06:57]} Kf6 {[%emt 0:00:09]} 25. b3 {[%emt 0:00:10] Qh8+ would kill now.} Kg7 {[%emt 0:03:28] Inhibits Qh8+.} 26. Bb2+ {[%emt 0:00:56]} Kh6 {[%emt 0:01:03]} 27. Qd8 {[%emt 0:13:38]} Qf4 {[%emt 0:00:16] Against Qh4+} (27... Qxd8 $142 28. Nxd8 Ndb8) 28. Qxd7 {[%emt 0:01:42]} ({Worse is} 28. Rxd7 Qe3+ 29. Kf1 Qxf3+ 30. Kg1 Qe3+ 31. Kf1 Qf3+ 32. Kg1 Qe3+ 33. Kf1 Qf3+ $11) 28... Qe3+ {[%emt 0:00:08]} 29. Re2 {[%emt 0:00:17]} Qg1+ {[%emt 0:00:06]} 30. Kd2 {[%emt 0:00:14] Hoping for Bf6.} Qb1 {[%emt 0:05:10]} 31. Bf6 {[%emt 0:00:54]} Bc2 {[%emt 0:03:32]} 32. Qxf7 {[%emt 0:03:12] White mates.} Qd1+ {[%emt 0:00:11]} 33. Kc3 {[%emt 0:00:19]} Bg6 {[%emt 0:02:39]} 34. Qg7+ {[%emt 0:00:33]} Kh5 {[%emt 0:00:02]} 35. Re5+ {[%emt 0:00:43] Weighted Error Value: White=0.18 (very precise) /Black=0.87} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.19"]
[White "Flores Teillery, Alejandro Francisco "]
[Black "Blanco Fernandez, Alvaro"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "1879"]
[BlackElo "2216"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,127,48,52,15,29,28,30,27,25,29,40,41,38,0,0,-23,0,-36,0,0,0,-43,0,0,17,10,26,24,16,-28,17,17,0,29,35,-31,-14,-83,-70,-96,-130,-166,-156,-247,-137,-283,-290,-278,-262,-272,-222,-231,-222,-296,-302,-527,-527,-527,-527,-448,-519,-501,-489,-963,-977,-1133,0,0,0,0,0,-7,0,0,0,-58,0,-149,-148,-487,-404,-1298,-1339,-1391,-1286,-5537,-4470,-1171,-583,-510,-541,-29971,0,-902,-645,-1045,-1165,-5402,-11218,-6191,-4132,-5285,-1242,-29979,-29980,-29979,-29979,-29985,-29983,-29983,-29980,-29980,-29981,-29987,-29988,-29992,-29993,-29993]} 1. c4 {[%emt 0:00:02]} b6 {[%emt 0:03:39]} 2. Nf3 {[%emt 0:02:35]} Bb7 {[%emt 0:00:09]} 3. g3 {[%emt 0:00:10]} Bxf3 {[%emt 0:00:21]} 4. exf3 {[%emt 0:00:07]} c5 {[%emt 0:00:20]} 5. d4 {[%emt 0:01:05]} cxd4 {[%emt 0:00:25]} 6. Qxd4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:09]} 7. Qd1 {[%emt 0:00:17] A10: English Opening: Unusual Replies for Black.} g6 {[%emt 0:00:13]} 8. Bg2 {[%emt 0:02:54]} Bg7 {[%emt 0:00:07]} 9. O-O {[%emt 0:00:08] White has an edge.} Rc8 {[%emt 0:00:15]} 10. Na3 {[%emt 0:02:45]} Nf6 {[%emt 0:00:48] [#]} 11. Be3 $146 {[%emt 0:00:33]} ({Predecessor:} 11. Nb5 O-O 12. f4 a6 13. Na3 Ne8 14. Qe2 Nd6 15. Be3 Nf5 16. Rad1 d6 17. b3 {½-½ (40) Shen,C (2200)-Yang,K (2016) Philadelphia 2017}) 11... O-O {[%emt 0:00:10]} 12. Rc1 {[%emt 0:00:07]} d5 {[%emt 0:01:15]} 13. Qd2 {[%emt 0:02:07]} d4 {[%emt 0:03:30]} 14. Bh6 {[%emt 0:00:10]} e5 {[%emt 0:03:57]} 15. Bxg7 {[%emt 0:00:07]} Kxg7 {[%emt 0:00:01]} 16. Rfe1 {[%emt 0:00:38]} Re8 {[%emt 0:00:03]} 17. c5 {[%emt 0:04:30]} Qd5 {[%emt 0:04:02][%csl LRa2,LRc5]} 18. cxb6 {[%emt 0:01:26]} axb6 {[%emt 0:00:01]} 19. Nc4 {[%emt 0:00:22]} Rb8 {[%emt 0:01:44]} 20. Ne3 {[%emt 0:04:37]} Qe6 {[%emt 0:07:49]} 21. Ng4 {[%emt 0:03:31]} Nxg4 {[%emt 0:01:01]} 22. fxg4 {[%emt 0:00:04]} Na5 {[%emt 0:00:08]} 23. b4 {[%emt 0:09:24]} (23. b3 $14) 23... Nc4 $15 {[%emt 0:00:50]} 24. Qd3 {[%emt 0:00:12]} (24. Qe2 $11 {remains equal.} b5 25. Be4) 24... b5 $36 {[%emt 0:00:34][%mdl 2048] Black is pushing.} 25. a4 {[%emt 0:00:09]} Nb2 {[%emt 0:02:02]} ({Much less strong is} 25... Qxg4 26. axb5 Nd6 27. Rc5 $14) 26. Qe2 {[%emt 0:04:34]} Nxa4 {[%emt 0:01:41]} 27. Rc6 {[%emt 1:01:20]} (27. f4 $17) 27... Nc3 {[%emt 0:00:47]} 28. Qf3 {[%emt 0:00:00]} (28. Qd3 $17 Qxg4 29. f4) 28... Qe7 $19 {[%emt 0:00:12]} 29. Rc5 {[%emt 0:00:00]} e4 {[%emt 0:02:05]} 30. Qf4 {[%emt 0:00:00]} Rbd8 {[%emt 0:00:19]} 31. g5 {[%emt 0:00:00]} Qd6 {[%emt 0:05:18]} 32. Qd2 {[%emt 0:00:00]} Re5 {[%emt 0:00:42]} 33. h4 $2 {[%emt 0:00:00]} (33. Rxe5 {is a better defense.} Qxe5 34. Bxe4 Nxe4 35. Qd3 Nxf2 36. Kxf2 Qxg5 37. Kg2) 33... Rxc5 {[%emt 0:08:25]} 34. bxc5 {[%emt 0:00:00]} Qxc5 {[%emt 0:03:45]} 35. Bxe4 {[%emt 0:00:00]} Nxe4 {[%emt 0:00:54]} 36. Rxe4 {[%emt 0:00:00][%mdl 4096] Endgame KQR-KQR} d3 {[%emt 0:00:57]} 37. Qb2+ {[%emt 0:00:00]} (37. Qa5 $142 Qd5 38. Re1) 37... Kg8 {[%emt 0:00:26] Active counter play!} 38. Qf6 {[%emt 0:00:00]} Qf8 $2 {[%emt 0:05:31]} (38... Qd5 $19 {( -> ...d2)} 39. Re1 d2) 39. Rd4 $11 {[%emt 0:00:00]} Rxd4 {[%emt 0:00:05]} 40. Qxd4 {[%emt 0:00:00] KQ-KQ} b4 {[%emt 0:00:13]} 41. Qxd3 {[%emt 0:00:00]} Qb8 {[%emt 0:00:12] ...b3 is the strong threat.} 42. Qb3 {[%emt 0:00:00]} Qb5 {[%emt 0:00:04]} 43. Qb2 {[%emt 0:00:00]} (43. f3 $11) 43... Qc4 {[%emt 0:01:19]} ({Black should play} 43... b3 $15) 44. h5 {[%emt 0:00:00] Black keeps a firm grip on the game.} (44. Qd2 $11) 44... Qc3 {[%emt 0:01:04]} 45. Qb1 {[%emt 0:00:00][%mdl 8192]} (45. Qa2 $17 {was the crucial defense.} gxh5 46. Qa5) 45... gxh5 {[%emt 0:01:34] And now ...b3 would win.} 46. Qd1 {[%emt 0:00:00]} (46. Qa2 $142 b3 47. Qa3) 46... b3 $19 {[%emt 0:00:21][%cal Bb4b3,Bb3b2][%mdl 32] Threatens to win with ...b2.} 47. Kh2 {[%emt 0:00:00]} b2 {[%emt 0:01:14][%cal Oh5h4]} 48. Qd8+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:06]} 49. Qb6 {[%emt 0:00:00]} Qd2 {[%emt 0:14:37]} (49... Qe5 $142 {Strongly threatening ...h4.} 50. Qb3 h4) 50. Qf6+ {[%emt 0:00:00]} Kg8 {[%emt 0:00:27]} 51. Qf5 {[%emt 0:00:00]} Kf8 {[%emt 0:03:46]} (51... Qe1 $142 52. Qc8+ Kg7 53. Qf5 b1=Q 54. Qf6+ Kf8 55. Qh8+ Ke7 56. Qf6+ Kd7 57. Qd4+ Kc6 58. Qa4+ Kc7 59. Qc4+ Kb8 60. Qf4+ Kb7 61. Qf3+ Kb6 62. Qg2 Qb2 63. Qg1 Qbxf2+ 64. Qxf2+ Qxf2+ 65. Kh1 Qxg3 66. g6 h4 67. g7 h3 68. g8=Q Qxg8 69. Kh2 Qg2#) 52. Qc5+ $1 {[%emt 0:00:00] [#]} Ke8 $1 {[%emt 0:00:18]} 53. Qe5+ {[%emt 0:00:00]} Kd7 {[%emt 0:00:19]} 54. Qf5+ {[%emt 0:00:00]} Kc6 {[%emt 0:00:15]} 55. Qc8+ {[%emt 0:00:00]} Kb5 {[%emt 0:00:14]} 56. Qb7+ {[%emt 0:00:00]} Ka4 {[%emt 0:00:20]} (56... Kc5 $142 57. Kh3 Qd5 58. Qa7+ Kb5) 57. Qa7+ {[%emt 0:00:00]} Kb3 {[%emt 0:01:25] Black mates.} 58. Qxf7+ {[%emt 0:00:00]} Kc2 {[%emt 0:00:12]} 59. Qxh7+ {[%emt 0:16:00]} Kc1 {[%emt 0:00:02]} 60. Qc7+ {[%emt 0:00:00]} Qc2 {[%emt 0:01:58]} 61. Qf4+ {[%emt 0:00:00]} Kd1 {[%emt 0:00:15]} 62. Qf3+ {[%emt 0:00:00] [#]} Ke1 $1 {[%emt 0:00:17]} 63. Qh1+ {[%emt 0:00:00]} Ke2 {[%emt 0:00:21]} 64. Kg2 {[%emt 0:00:00] Weighted Error Value: White=1.04/Black=0.53} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.20"]
[White "Steinberg, Ellis"]
[Black "Quiroga Jaquez, Angel Ivan"]
[Result "0-1"]
[ECO "C76"]
[WhiteElo "1808"]
[BlackElo "2185"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,80,40,43,31,83,16,33,13,23,0,8,-3,20,-21,-25,-70,-48,-59,-15,-45,39,-11,70,34,35,39,71,80,69,59,90,95,83,52,40,46,95,79,56,75,45,-18,52,46,44,-13,18,-141,-75,-162,-166,-198,-128,-754,-754,-719,-545,-1050,-1068,-1475,-1622,-1397,-1311,-29985,-29986]} 1. e4 {[%emt 0:00:02]} e5 {[%emt 0:05:09]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:46]} 3. Bb5 {[%emt 0:00:06]} a6 {[%emt 0:00:36]} 4. Ba4 {[%emt 0:00:06]} Nf6 {[%emt 0:01:07]} 5. O-O {[%emt 0:00:09]} d6 {[%emt 0:00:49]} 6. Re1 {[%emt 0:00:28]} Bd7 {[%emt 0:03:16]} 7. c3 {[%emt 0:00:19]} g6 {[%emt 0:00:18]} 8. d4 {[%emt 0:00:36]} b5 {[%emt 0:04:19]} 9. Bc2 {[%emt 0:00:16]} Bg7 {[%emt 0:00:14]} 10. Nbd2 {[%emt 0:01:59] [#] C76: Ruy Lopez: Deferred Steinitz: 5 c3 Bd7 6 d4 g6.} h6 $146 {[%emt 0:00:54]} (10... O-O $14) ({Predecessor:} 10... O-O 11. Nf1 Re8 12. Ng3 a5 13. h3 a4 14. Be3 Qc8 15. Qd2 Na5 16. b3 c5 17. d5 h5 18. Bh6 Bh8 {½-½ (52) Maghsoodloo,P (2676)-Jumabayev,R (2654) Chess.com INT 2020}) 11. d5 {[%emt 0:00:42]} ({White should play} 11. dxe5 $16 Nxe5 12. Nxe5 dxe5 13. Nb3) 11... Ne7 $11 {[%emt 0:00:18]} 12. b3 {[%emt 0:00:32] White is slightly better.} Nh5 {[%emt 0:00:58]} 13. g3 {[%emt 0:05:24]} O-O {[%emt 0:03:01]} 14. Bb2 {[%emt 1:26:44]} Bg4 {[%emt 0:23:00]} 15. Bd3 {[%emt 0:00:00]} f5 {[%emt 0:04:18]} 16. Qc2 {[%emt 0:00:00]} f4 {[%emt 0:06:13] Hoping for ...fxg3.} 17. Be2 {[%emt 0:00:00]} fxg3 {[%emt 0:00:21]} (17... c6 $5 {[%cal Rd8b6]} 18. c4 cxd5 19. exd5 bxc4 20. bxc4 Bf5 $15) 18. hxg3 {[%emt 0:00:00]} Qd7 {[%emt 0:09:41]} (18... c6 $15 19. Nh2 Bh3) 19. Qd3 {[%emt 0:00:00]} (19. a4 $14) 19... Bf6 {[%emt 0:03:33]} (19... Bh3 $11) 20. Nh2 {[%emt 0:00:00]} (20. a4 {feels hotter.} Bh3 21. Nf1 bxa4 22. Rxa4 Rf7 23. Ne3) 20... Bxe2 {[%emt 0:00:14]} 21. Qxe2 {[%emt 0:00:00]} Bg5 {[%emt 0:00:17]} 22. Ndf3 {[%emt 0:00:00]} Bf6 {[%emt 0:11:46]} 23. Rac1 {[%emt 0:00:00]} Rf7 {[%emt 0:03:32]} 24. Rc2 {[%emt 0:00:00]} Raf8 {[%emt 0:00:46]} 25. Bc1 {[%emt 0:00:00]} Kh7 {[%emt 0:01:01]} 26. Kg2 {[%emt 0:00:00]} Kg7 {[%emt 0:02:16]} (26... Bg7 $14) 27. Be3 {[%emt 0:00:00]} Ng8 {[%emt 0:06:05]} 28. Rec1 {[%emt 0:00:00]} Bd8 {[%emt 0:00:14]} 29. Ng1 {[%emt 0:00:00]} ({White should try} 29. Qd3 $14) 29... Nhf6 {[%emt 0:01:42]} ({Better is} 29... Ngf6 $11) 30. f3 $14 {[%emt 0:00:00]} g5 {[%emt 0:02:14][%cal Og5g4]} 31. g4 {[%emt 0:00:00]} (31. Nh3 $14) 31... h5 {[%emt 0:00:19]} 32. Bxg5 $2 {[%emt 0:00:00]} ({White has to play} 32. Nh3 $11 Nh7 33. gxh5) 32... Nxd5 {[%emt 0:00:22]} (32... hxg4 $142 $1 {[%cal Og4g3] White must now prevent ...g3!} 33. Bxf6+ Nxf6 34. fxg4 (34. Qe3 $2 Kg8 $19) 34... Kh8) 33. Qd2 {[%emt 0:00:00]} (33. Bd2 $17 Nf4+ 34. Bxf4 Rxf4 35. Kh1) 33... Ndf6 $1 $19 {[%emt 0:00:50][%cal Rh5g4]} ({And not} 33... Nf4+ 34. Bxf4 Rxf4 35. Nh3 $17) 34. gxh5 {[%emt 0:00:00]} Nxh5 {[%emt 0:00:10] The board is on fire.} (34... Kh8 $1 $19 35. h6 Nxe4 $1 {[%mdl 512]} 36. fxe4 Rf2+ 37. Qxf2 Rxf2+ 38. Rxf2 Bxg5) 35. Nh3 $2 {[%emt 0:00:05][%mdl 8192] [#] This move loses the game for White.} (35. Qe3 $17) 35... Rxf3 $3 {[%emt 0:01:09][%mdl 512]} 36. Nxf3 {[%emt 0:03:39]} Qg4+ {[%emt 0:01:21][%mdl 64] Deflection} 37. Kh1 {[%emt 0:01:12] Threatens to win with Qg2.} Rxf3 {[%emt 0:00:37]} 38. Qg2 {[%emt 0:01:04]} Rxh3+ {[%emt 0:00:20]} 39. Kg1 {[%emt 0:00:10] [#]} Rg3 $1 {[%emt 0:00:17]} 40. Bxd8 {[%emt 0:00:38]} (40. Qxg3 Nxg3) 40... Nf4 {[%emt 0:00:14][%mdl 64] Pin.  Weighted Error Value: White=0.99/Black=0.27 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.21"]
[White "Pena Davalos, David"]
[Black "Palma Villanueva, Miguel Ta"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1761"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,130,8,-13,50,35,55,45,58,37,46,47,49,24,24,32,47,27,31,30,60,48,58,43,25,16,25,25,60,5,71,72,71,23,17,-15,-13,-12,-19,-30,-19,-24,10,13,7,-21,-25,-35,0,0,2,0,0,-26,-11,-104,-113,-113,0,0,14,14,14,14,14,14,14,14,14,-385,-383,-368,-368,-372,-369,-354,-252,-226,-212,-350,-307,-1389,-1328,-5813,-5297,-6382,-6386,-6079,-5725,-2660,-5073,-5293,-5214,-4875,-4133,-2561,-2473,-2136,-2069,-1925,-1444,-5493,-5897,-29973,-29973,-29975,-29976,-29978,-29978,-29978,-29978,-29979,-29976,-29980,-29981,-29981,-29982,-29982,-29983,-29982,-29981,-29978,-5222]} 1. d4 {[%emt 1:31:00]} Nf6 {[%emt 0:03:07]} 2. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:05]} 3. Bg5 {[%emt 0:00:00]} Bg7 {[%emt 0:00:05]} 4. Nbd2 {[%emt 0:00:00]} d6 {[%emt 0:01:47]} 5. e4 {[%emt 0:00:00]} O-O {[%emt 0:00:50]} 6. Be2 {[%emt 0:00:00]} Bg4 {[%emt 0:05:11] A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} (6... h6 $11 7. Be3 Ng4) 7. O-O {[%emt 0:00:00]} c6 {[%emt 0:06:04]} 8. c3 {[%emt 0:00:00]} Qc7 {[%emt 0:02:10] White is slightly better.} 9. Qc2 {[%emt 0:00:00]} Nbd7 {[%emt 0:02:51]} 10. h3 {[%emt 0:00:00]} Bxf3 {[%emt 0:00:49]} 11. Bxf3 {[%emt 0:00:00]} Rfe8 {[%emt 0:04:40] [#]} 12. Rad1 $146 {[%emt 0:00:00]} ({Predecessor:} 12. Rfe1 c5 13. d5 b5 14. Be2 Rab8 15. Rac1 a6 16. a3 c4 17. Be3 Nc5 18. f3 {1-0 (44) Stadler,H (1740)-Wimmer,J (1788) Germany 2006}) 12... Rac8 {[%emt 1:08:51]} 13. Rfe1 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 14. Be2 {[%emt 0:00:00]} Nb6 {[%emt 0:00:00]} 15. Be3 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 16. f4 {[%emt 0:00:00]} Nfd7 {[%emt 0:00:00]} 17. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 18. Bd3 {[%emt 0:00:00]} f5 {[%emt 0:00:00]} 19. Ng5 {[%emt 0:00:00]} (19. exf5 $14 exf5 20. g4) 19... h6 {[%emt 0:00:00]} (19... Nf6 $11) 20. Nf3 $16 {[%emt 0:00:00][%cal Re4f5]} Nf6 {[%emt 0:00:00]} 21. e5 {[%emt 0:00:00]} (21. Bc1 $16) 21... Nfd5 $11 {[%emt 0:00:00]} 22. exd6 {[%emt 0:00:00]} Qxd6 {[%emt 0:00:00]} 23. Ne5 {[%emt 0:00:00]} Nxe3 {[%emt 0:00:00]} 24. Rxe3 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00][%csl LRe3,LRf4]} 25. Rf3 {[%emt 0:00:00]} Bxe5 {[%emt 0:00:00]} 26. fxe5 {[%emt 0:00:00]} Qe7 {[%emt 0:00:00]} 27. g4 {[%emt 0:00:00]} Qg5 {[%emt 0:00:00]} 28. Qd2 {[%emt 0:03:13] Against Ne3} Qxd2 {[%emt 0:00:00]} 29. Rxd2 {[%emt 0:00:02]} Kf7 {[%emt 0:00:00]} 30. gxf5 {[%emt 0:00:42]} gxf5 {[%emt 0:00:00]} 31. Rg2 {[%emt 0:02:25]} Rg8 {[%emt 0:00:00]} 32. Rfg3 {[%emt 0:00:40]} (32. Rxg8 $11 {remains equal.} Kxg8 33. Kf2) 32... Rxg3 $17 {[%emt 0:00:00]} 33. Rxg3 {[%emt 0:00:02][%mdl 4096] Endgame KRB-KRN} Nb6 {[%emt 0:00:00]} ({Better is} 33... c5 $17 {White must now prevent ...cxd4.} 34. Rf3 cxd4 35. cxd4 Nb4) 34. Be2 $11 {[%emt 0:01:29]} Rg8 {[%emt 0:01:55]} 35. Bh5+ {[%emt 0:00:19]} Kf8 {[%emt 0:00:01]} 36. Rxg8+ {[%emt 0:00:15]} Kxg8 {[%emt 0:00:02] KB-KN} 37. Be8 {[%emt 0:00:12]} Na4 $1 {[%emt 0:00:19]} 38. Bxc6 {[%emt 0:01:31][%cal Oc3c4] [#] And now c4! would win.} Nxb2 {[%emt 0:00:06] Threatens to win with ...Nd1.} 39. Kf2 $2 {[%emt 0:01:07][%mdl 8192] White does not recover from this.} (39. Bb7 $11 {and White has nothing to worry.} Na4 40. Bxa6 Nxc3 41. Kf2) 39... Nd1+ $19 {[%emt 0:00:18]} 40. Kf3 {[%emt 0:02:15]} Nxc3 {[%emt 0:00:07]} 41. a3 {[%emt 0:00:09]} Kf7 {[%emt 0:03:04] Strongly threatening ...Nb1.} 42. Ke3 {[%emt 0:02:08]} Ke7 {[%emt 0:01:16]} 43. Kd3 {[%emt 0:00:18]} Nd5 {[%emt 0:00:12]} 44. h4 {[%emt 0:01:19]} (44. Kc2 $142) 44... Kd8 {[%emt 0:00:52]} 45. Bb7 $2 {[%emt 0:01:47]} (45. Kd2) 45... a5 {[%emt 0:00:28]} 46. Bc6 {[%emt 0:00:36] [#]} b4 $1 {[%emt 0:00:55]} 47. Kc2 {[%emt 0:01:15]} bxa3 {[%emt 0:00:19] ( -> ...Nb4+)} 48. Bb5 {[%emt 0:00:42]} Ne3+ {[%emt 0:02:03]} 49. Kb3 {[%emt 0:00:33]} a2 {[%emt 0:00:04]} 50. Kxa2 {[%emt 0:00:16]} Nc2 {[%emt 0:00:01]} 51. d5 {[%emt 0:01:10]} Nb4+ {[%emt 0:00:05]} 52. Kb3 {[%emt 0:00:18]} Nxd5 {[%emt 0:00:04]} 53. Bc4 {[%emt 0:00:19]} Ke7 {[%emt 0:00:08]} 54. Bd3 {[%emt 0:00:45]} Nf4 {[%emt 0:00:16]} 55. Bf1 {[%emt 0:00:10]} Ng6 {[%emt 0:00:04][%csl LRe5,LRh4]} 56. h5 {[%emt 0:00:17]} Nxe5 {[%emt 0:00:04] Black mates.} 57. Ka4 {[%emt 0:00:05]} Kd6 {[%emt 0:01:00]} 58. Kxa5 {[%emt 0:00:10]} Kc5 {[%emt 0:00:05]} 59. Ka4 {[%emt 0:00:16]} Kd4 {[%emt 0:00:44]} 60. Kb3 {[%emt 0:00:14]} Ke3 {[%emt 0:00:11]} 61. Kc2 {[%emt 0:00:18]} Nf3 {[%emt 0:00:44]} 62. Kd1 {[%emt 0:00:12]} e5 {[%emt 0:00:07]} 63. Bh3 {[%emt 0:00:24]} f4 {[%emt 0:00:15]} 64. Bf5 {[%emt 0:01:08]} Nd4 {[%emt 0:00:21]} 65. Bg4 {[%emt 0:00:13]} Kf2 {[%emt 0:00:17] Weighted Error Value: White=0.89/Black=0.21 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.22"]
[White "Hernandez Jimenez, Alexander Andres"]
[Black "Gonzalez Cruz, Ian Josue"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2167"]
[BlackElo "1814"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,97,37,-17,-29,-33,-16,-34,-17,-18,-14,-25,-12,-20,-28,-38,-6,-57,0,-54,-17,-33,-35,-25,0,-45,0,0,0,0,0,-266,0,5,40,47,105,106,115,109,125,142,136,89,141,73,191,54,156,154,345,52,50,42,504,504,504,490,400,476,348,348,29975,29976,29973,29968,29984,29985,29987,29988,29988,29988,29987,29986,29986,29987,29987,29988,29990,29989,29990,29991,29991,29991,29991,29992,29992,29993]} 1. e4 {[%emt 0:01:02]} e5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:29]} Nc6 {[%emt 0:00:06]} 3. Bc4 {[%emt 0:00:28]} Bc5 {[%emt 0:00:11]} 4. d3 {[%emt 0:00:30]} h6 {[%emt 0:00:11]} 5. c3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:31]} 6. b4 {[%emt 0:12:12]} Bb6 {[%emt 0:10:42]} 7. b5 {[%emt 0:00:51]} ({Better is} 7. a4 $14 a6 8. O-O (8. a5 Ba7 $11)) 7... Na5 $1 $11 {[%emt 0:00:06] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8. Nxe5 {[%emt 0:00:08]} O-O {[%emt 0:00:07]} 9. Nxf7 {[%emt 0:10:22]} Rxf7 {[%emt 0:04:31] Black is slightly better.} 10. Bxf7+ {[%emt 0:00:43]} Kxf7 {[%emt 0:00:19]} 11. O-O {[%emt 0:01:00]} d6 {[%emt 0:00:51][%mdl 1024] Black has compensation.} 12. Nd2 {[%emt 0:10:03]} Bg4 {[%emt 0:04:32] [#]} 13. Qe1 $146 {[%emt 0:00:19]} ({Predecessor:} 13. Qc2 Qd7 14. a4 Re8 15. Nb3 Kf8 16. Nxa5 Bxa5 17. Bb2 d5 18. f3 Bh5 19. c4 dxc4 20. dxc4 {1-0 (30) Moldenhauer,L (1592)-Pikki,D (1482) Playchess.com INT 2020}) 13... Qe8 {[%emt 0:01:06]} 14. h3 {[%emt 0:01:21]} (14. a4 $11) 14... Bh5 {[%emt 0:01:26]} ({Black should try} 14... Bd7 $15) 15. Rb1 {[%emt 0:13:30]} (15. a4 $11) 15... Qe6 {[%emt 0:10:41]} 16. Nb3 {[%emt 0:05:14]} Nxb3 {[%emt 0:01:10]} 17. Rxb3 {[%emt 0:01:21][%cal Bb1b3,Bb3a3,Ba3a8][%mdl 32]} Re8 {[%emt 0:02:29] ...d5 is the strong threat.} 18. Be3 {[%emt 0:02:28]} Kg8 {[%emt 0:07:29]} (18... d5 $5 {[%cal Rd5e4]}) 19. Bxb6 {[%emt 0:00:22]} axb6 {[%emt 0:00:12]} 20. f4 {[%emt 0:05:38][%cal Bf2f4,Bf4f5][%mdl 32]} Nd7 {[%emt 0:00:36]} 21. Qh4 $2 {[%emt 0:02:28][%mdl 8192]} (21. Ra3 $11) 21... Bf7 $2 {[%emt 0:00:09]} (21... Be2 $19 22. Re1 Bxd3) 22. Ra3 {[%emt 0:00:33]} d5 {[%emt 0:03:48]} 23. e5 {[%emt 0:00:32]} Nc5 {[%emt 0:00:37]} (23... Bg6 $14 24. d4 Nf8) 24. d4 $1 $16 {[%emt 0:02:42]} Ne4 {[%emt 0:04:06]} 25. f5 $36 {[%emt 0:00:08][%mdl 2048] Inhibits Bg6. White is in control.} Qe7 {[%emt 0:00:14]} 26. Qxe7 {[%emt 0:00:16]} Rxe7 {[%emt 0:00:08]} 27. Ra8+ {[%emt 0:09:57]} (27. g4 $142) 27... Kh7 {[%emt 0:01:59]} (27... Re8 $142 28. Ra7 Rb8) 28. Rf3 {[%emt 0:02:00]} (28. Rb8 $142) 28... h5 {[%emt 0:07:46]} (28... Re8 $16 29. Ra7 (29. Rxe8 Bxe8 30. a4 c6 $11) 29... Rb8) 29. g4 {[%emt 0:00:07]} ({White should play} 29. Rf8 $18) 29... hxg4 {[%emt 0:07:19]} (29... Re8 $1 $14 30. Rxe8 Bxe8) 30. hxg4 {[%emt 0:00:02] Threatening mate with Rh3+.} Kh6 $2 {[%emt 0:00:08]} (30... Re8 $16 31. Ra7 Rb8 32. Rh3+ Kg8) 31. Kg2 $2 {[%emt 0:05:09]} (31. Rh8+ $1 $18 Kg5 32. Rh7 (32. e6 Be8 $17)) 31... Kg5 $14 {[%emt 0:00:54]} 32. Rh8 {[%emt 0:01:54] aiming for Rh7.} Kxg4 $2 {[%emt 0:03:54][%mdl 8192] White leaves nothing to chance now.} (32... Re8 $1 $14 33. Rh7 Rg8) 33. Rh7 $18 {[%emt 0:00:06]} Bg8 {[%emt 0:03:06] [#]} 34. f6 $1 {[%emt 0:00:24][%mdl 512]} Nxf6 {[%emt 0:09:18] [#]} (34... Bxh7 35. fxe7) 35. exf6 {[%emt 0:04:53][%mdl 4096] Endgame KRR-KRB} Re2+ {[%emt 0:00:09]} 36. Rf2 {[%emt 0:00:01]} ({Inferior is} 36. Kf1 Kxf3 37. Rxg7 {[#]} (37. Rh3+ $2 Kg4 $19) 37... Rxa2 $1 $15) 36... Rxf2+ $2 {[%emt 0:07:56]} (36... Bxh7 $18 37. Rxe2 gxf6) 37. Kxf2 {[%emt 0:00:07] White mates.} Bxh7 {[%emt 0:00:05] KB-KP} 38. f7 {[%emt 0:00:02]} Bd3 {[%emt 0:00:15]} 39. f8=Q {[%emt 0:00:06]} Bxb5 {[%emt 0:00:08]} 40. Qxg7+ {[%emt 0:00:03]} Kf5 {[%emt 0:00:24]} 41. Qxc7 {[%emt 0:00:11]} Bc6 {[%emt 0:00:14]} 42. Qxb6 {[%emt 0:00:25]} Ke4 {[%emt 0:00:06]} 43. Ke2 {[%emt 0:00:08]} Kf5 {[%emt 0:00:20]} 44. Ke3 {[%emt 0:00:11]} Kg4 {[%emt 0:00:13]} 45. Qd8 {[%emt 0:00:05]} Kf5 {[%emt 0:00:17]} 46. Qe7 {[%emt 0:00:04]} Kg4 {[%emt 0:00:33]} 47. Qg7+ {[%emt 0:00:07]} Kf5 {[%emt 0:00:08]} 48. Qe5+ {[%emt 0:00:02]} Kg6 {[%emt 0:00:17]} 49. Kf4 {[%emt 0:00:04] Weighted Error Value: White=0.43/Black=0.49} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.23"]
[White "Kowalski Davila, Emilio Luis"]
[Black "Avila Bautista, Roberto Al"]
[Result "0-1"]
[ECO "A73"]
[WhiteElo "1735"]
[BlackElo "2090"]
[Annotator "TA"]
[PlyCount "156"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,156,40,31,36,43,43,46,45,32,39,34,47,56,44,43,69,58,72,46,110,108,136,64,60,68,93,86,114,103,154,115,159,121,188,156,167,151,193,170,181,137,125,129,152,102,119,100,110,110,113,0,98,0,107,107,94,86,88,56,58,63,59,59,47,-53,7,14,0,-73,-74,-72,-68,-78,-75,-125,-107,-111,-131,-200,-196,-327,-329,-347,-327,-329,-333,-357,-339,-299,-113,-202,-172,-229,-171,-119,0,-237,-247,-443,-449,-437,-405,-616,-615,-595,-552,-733,-560,-660,-557,-462,-382,-527,-396,-364,-291,-293,-276,-372,-314,-621,-569,-672,-510,-819,-803,-770,-687,-1393,-1327,-1620,-1343,-29976,-29979,-29979,-29980,-29980,-29981,-29989,-2277]} 1. d4 {[%emt 0:00:30]} Nf6 {[%emt 0:03:51]} 2. c4 {[%emt 0:00:12]} c5 {[%emt 0:00:22]} 3. d5 {[%emt 0:00:09]} e6 {[%emt 0:00:06]} 4. Nc3 {[%emt 0:00:13]} exd5 {[%emt 0:00:08]} 5. cxd5 {[%emt 0:00:09]} d6 {[%emt 0:00:10]} 6. e4 {[%emt 0:00:13]} g6 {[%emt 0:00:05]} 7. Nf3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:08]} 8. Be2 {[%emt 0:00:07]} O-O {[%emt 0:00:15]} 9. O-O {[%emt 0:00:11] 9.Be3 is the fancy move.} Bg4 {[%emt 0:00:07]} 10. Bf4 {[%emt 0:00:13]} Qe7 {[%emt 0:08:05] A73: Modern Benoni: Classical: Unusual Black 9th moves.} 11. Nd2 {[%emt 0:02:52]} Bxe2 {[%emt 0:00:41]} 12. Qxe2 {[%emt 0:00:09]} ({Much weaker is} 12. Nxe2 Nxe4 13. Re1 (13. Nxe4 Qxe4 14. Re1 Qc4 $15) 13... Nxd2 $11) 12... Nh5 {[%emt 0:01:09] White is slightly better.} 13. Be3 {[%emt 0:00:31]} Nd7 {[%emt 0:00:47]} 14. g4 {[%emt 0:02:30]} Nhf6 {[%emt 0:07:03][%cal Ob7b5]} 15. Bg5 {[%emt 0:03:59][%cal Be3g5,Bg5h4,Bh4g3][%mdl 32]} h6 {[%emt 0:05:30]} 16. Bh4 {[%emt 0:00:18] [#]} g5 $146 {[%emt 0:17:53]} ({Predecessor:} 16... Rfe8 17. Kh1 Ne5 18. f3 a6 19. a4 Rac8 20. f4 Ned7 21. Rae1 Nb6 {1-0 (31) Ograbek,G-Wydrowski,L Poland 1991}) 17. Bg3 {[%emt 0:00:13]} Ne5 {[%emt 0:02:59]} 18. h3 {[%emt 0:05:31]} Ng6 {[%emt 0:02:17]} (18... Rae8 $14) 19. Nc4 $16 {[%emt 0:03:13]} Rad8 {[%emt 0:02:17][%cal Ob7b5]} 20. f3 {[%emt 0:03:48]} (20. Ne3 $16) 20... Ne8 $1 $14 {[%emt 0:01:37][%cal Bf6e8,Be8c7,Bc7a8,Ba8b6][%mdl 32]} 21. Qd2 {[%emt 0:04:41]} Nc7 {[%emt 0:07:53]} 22. a4 {[%emt 0:01:08]} a6 {[%emt 0:07:39]} 23. Kg2 {[%emt 0:05:46]} Rfe8 {[%emt 0:00:53]} (23... Be5 $142) 24. Ra2 {[%emt 0:13:19]} Na8 {[%emt 0:02:40]} 25. Rb1 {[%emt 0:04:21]} Qc7 {[%emt 0:02:03]} (25... Qf6 $16 {keeps fighting.} 26. Ra3 Nh4+ 27. Bxh4 gxh4) 26. b3 {[%emt 0:03:57]} Nb6 {[%emt 0:26:52]} 27. Ne3 $1 {[%emt 0:00:20]} Nd7 {[%emt 0:00:00]} 28. Nf5 {[%emt 0:01:59]} Nde5 {[%emt 0:00:00]} 29. Rc1 {[%emt 0:04:05]} Qa5 {[%emt 0:00:00]} 30. Qc2 {[%emt 0:03:26]} Bf8 {[%emt 0:00:00]} 31. Rca1 {[%emt 0:03:21]} (31. Nd1 $142) 31... Rc8 {[%emt 0:00:00]} 32. Rb1 {[%emt 0:02:46]} Qc7 {[%emt 0:00:00]} 33. Qd2 {[%emt 0:03:45]} Qa5 {[%emt 0:00:00]} 34. Qc2 {[%emt 0:00:21]} ({White should try} 34. h4 $16) 34... Rb8 {[%emt 0:00:00]} (34... Qc7 $1 $11) 35. Rba1 {[%emt 0:01:14]} ({Better is} 35. Ne2 $16) 35... c4 {[%emt 0:00:00]} (35... Rbc8 $1 $11) 36. Ne2 $16 {[%emt 0:02:37]} Rec8 {[%emt 0:00:00]} 37. Be1 {[%emt 0:01:14]} Qb6 {[%emt 0:00:00]} 38. b4 {[%emt 0:00:36]} Nd3 {[%emt 0:00:00]} 39. Qc3 {[%emt 0:01:28]} Nxe1+ {[%emt 0:00:00]} 40. Rxe1 {[%emt 0:00:15]} Nh4+ {[%emt 0:00:00]} 41. Kg3 {[%emt 0:03:06]} ({White should play} 41. Kf1 $14) 41... Qd8 {[%emt 0:00:00]} (41... Nxf5+ $15 42. exf5 Bg7) 42. Ned4 $11 {[%emt 0:01:24]} Qf6 {[%emt 0:00:00]} 43. Ne2 {[%emt 0:00:35]} (43. Rc2 $11 {remains equal.}) 43... Nxf5+ $17 {[%emt 0:00:00]} 44. gxf5 {[%emt 0:00:08]} Bg7 {[%emt 0:00:00]} 45. Qxf6 {[%emt 0:00:07]} Bxf6 {[%emt 0:00:00]} 46. Rc1 {[%emt 0:00:45]} (46. Rb1 $142) 46... c3 {[%emt 0:00:00]} 47. Rac2 {[%emt 0:02:31]} Rc4 {[%emt 0:00:00]} 48. b5 {[%emt 0:00:37] [#]} (48. Kf2 $17) 48... Rbc8 $1 $19 {[%emt 0:00:02]} ({And not} 48... Rxa4 49. Nxc3 Be5+ 50. Kf2 $15) 49. Ra1 {[%emt 0:02:20]} (49. bxa6 $142 bxa6 50. Kf2) 49... axb5 {[%emt 0:00:32]} 50. axb5 {[%emt 0:00:03]} Rb4 {[%emt 0:00:09] Against Rb1} 51. Kf2 {[%emt 0:01:52]} Rxb5 {[%emt 0:00:38]} 52. Ke3 {[%emt 0:00:16]} Be5 {[%emt 0:04:33]} 53. Kd3 {[%emt 0:00:29]} Rbc5 $2 {[%emt 0:00:41]} (53... Rb2 $19 {is more deadly. Hoping for ...b5.} 54. Rg1 Kh7) 54. Rac1 {[%emt 0:04:21]} (54. Ra7 $17 {was called for.}) 54... b5 {[%emt 0:00:29]} 55. Nxc3 {[%emt 0:02:48]} (55. Rb1 {is the only way for White.}) 55... Bf4 {[%emt 0:00:42]} 56. Rb1 {[%emt 0:00:15]} Be5 {[%emt 0:01:37]} (56... b4 $17 57. Rxb4 Be5) 57. Rbc1 {[%emt 0:00:15][%cal Oc3b5] [#]} Ra8 $1 {[%emt 0:00:34]} 58. Ne2 $2 {[%emt 0:00:59]} (58. Nb1 Ra1 59. Rh1) 58... Ra3+ {[%emt 0:00:12]} 59. Kd2 {[%emt 0:00:29]} Rxc2+ {[%emt 0:00:08]} 60. Rxc2 {[%emt 0:01:02]} (60. Kxc2 $142 Rxf3 61. Ng1) 60... Rxf3 {[%emt 0:00:13][%mdl 4096] Endgame KRB-KRN} 61. Rc8+ {[%emt 0:00:38]} Kg7 {[%emt 0:00:03]} 62. Rb8 {[%emt 0:00:58]} Rb3 {[%emt 0:00:23]} 63. Kc2 {[%emt 0:00:39]} Rb2+ {[%emt 0:00:28]} 64. Kd3 {[%emt 0:00:07]} b4 {[%emt 0:00:11] Strongly threatening ...Rb3+.} 65. Ng1 {[%emt 0:00:37]} Rg2 {[%emt 0:01:44]} 66. Nf3 {[%emt 0:00:27]} Rg3 {[%emt 0:00:38]} 67. Ke2 {[%emt 0:00:05]} Kf6 {[%emt 0:01:56]} ({Weaker is} 67... Rxh3 68. Nxe5 Rh2+ 69. Ke3 dxe5 70. d6 Rh3+ 71. Ke2 Rh2+ 72. Ke3 Rh3+ 73. Ke2 Rh2+ 74. Ke3 $11) 68. Rxb4 {[%emt 0:00:28]} Rxh3 {[%emt 0:00:21]} 69. Rb7 $2 {[%emt 0:00:59]} (69. Nxe5 Kxe5 70. Rb7) 69... Bf4 {[%emt 0:00:22]} 70. Kf2 {[%emt 0:01:06]} g4 {[%emt 0:00:12]} 71. Ng1 {[%emt 0:02:53]} (71. Ne1 $142) 71... Ra3 {[%emt 0:01:20] And now ...Be3+ would win.} 72. Ne2 {[%emt 0:00:18]} Be5 {[%emt 0:00:21]} 73. Nc1 {[%emt 0:03:04]} h5 {[%emt 0:00:21][%cal Bh6h5,Bh5h4,Bh4h3,Bh3h2][%mdl 32]} 74. Rb3 {[%emt 0:01:08]} Ra4 {[%emt 0:00:22] White must now prevent ...h4.} 75. Ke3 {[%emt 0:00:21]} h4 {[%emt 0:00:44] Black mates.} 76. Ne2 {[%emt 0:01:08]} h3 {[%emt 0:00:55]} 77. Rb8 {[%emt 0:02:04]} h2 {[%emt 0:00:46]} 78. Rh8 {[%emt 0:00:30]} Ra1 {[%emt 0:00:17] What a bad dream for White.  Weighted Error Value: White=0.36/Black=0.23 (precise)} (78... Ra3+ $142 79. Kd2 Rh3 80. Rxh3 gxh3 81. Kd3 h1=Q 82. Nd4 Qd1+ 83. Kc4 Qa4+ 84. Kc3 Qxd4+ 85. Kc2 h2 86. Kb3 h1=Q 87. Ka3 Qh3+ 88. Ka2 Qb2#) 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.24"]
[White "Mejia Nunez, Haziel"]
[Black "Jorajuria Mendoza, Algol"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1611"]
[BlackElo "2006"]
[Annotator "NA RC"]
[PlyCount "54"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:03]} 5. Nc3 {[%emt 0:00:13]} e5 {[%emt 0:00:06]} 6. Ndb5 {[%emt 0:02:21]} d6 {[%emt 0:00:07]} 7. Bg5 {[%emt 0:00:11]} a6 {[%emt 0:00:08]} 8. Bxf6 {[%emt 0:00:30]} gxf6 {[%emt 0:00:07]} 9. Na3 {[%emt 0:00:06]} b5 {[%emt 0:00:04]} 10. Nd5 {[%emt 0:01:45]} Bg7 {[%emt 0:00:38]} 11. Be2 {[%emt 0:03:31]} f5 {[%emt 0:03:27]} 12. Bf3 {[%emt 0:01:41]} O-O {[%emt 0:08:50]} 13. O-O {[%emt 0:04:09]} Nd4 {[%emt 1:23:17]} 14. c3 {[%emt 0:10:18]} Nxf3+ {[%emt 0:00:00]} 15. Qxf3 {[%emt 0:00:16]} fxe4 {[%emt 0:00:00]} 16. Qxe4 {[%emt 0:00:29]} Ra7 {[%emt 0:00:00]} 17. Rad1 {[%emt 0:16:17]} f5 {[%emt 0:00:00]} 18. Qe3 {[%emt 0:01:11]} Raf7 {[%emt 0:00:00]} 19. f4 {[%emt 0:00:07]} Bb7 {[%emt 0:00:00]} 20. Nc2 {[%emt 0:07:00]} Kh8 {[%emt 0:00:00]} 21. Qh3 {[%emt 0:06:13]} exf4 {[%emt 0:00:00]} 22. Nxf4 {[%emt 0:00:16]} Rf6 {[%emt 0:00:00]} 23. Qg3 {[%emt 0:03:42]} Rh6 {[%emt 0:00:00]} 24. Rfe1 {[%emt 0:02:22]} Rg8 {[%emt 0:00:00]} 25. Qf2 {[%emt 0:03:13]} Be4 {[%emt 0:00:00]} 26. Nd4 {[%emt 0:10:34]} Qh4 {[%emt 0:00:00]} 27. Rf1 {[%emt 0:16:14]} Qxh2# {[%emt 0:07:00]} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.25"]
[White "Avila Fraire, Ameyalli"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1955"]
[BlackElo "2019"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,141,-4,51,33,114,105,102,86,95,30,93,100,114,116,108,88,242,268,259,21,19,14,10,8,29,-60,-46,-46,-46,-47,-47,-48,-49,-63,-35,-60,-58,-69,0,0,0,-24,0,0,0,0,0,0,0,0,0,-19,-16,-79,0,0,0,0,0,-31,-32,-118,-116,-321,-335,-324,-312,-337,-398,-413,-362,-470,-168,-466,-444,-544,-502,-582,-610,-587,-605,-576,-593,-617,-602,-511,-555,-547,-516,-1114,-1122,-993,-941,-751,-612,-496,-193,-193,-101,-4133,-3291,-1120,-147,-139,-39,-39,-39,-39,-39,-39,-39,-39,-39,-39,-39,-39,-39,-39,-39,-39,-8,-8,-8,-8,-8,-8,-8,-8,-8,-58,-58,-58,-58,-58]} 1. e4 {[%emt 0:06:23]} c5 {[%emt 0:01:59]} 2. Nf3 {[%emt 0:00:19]} e6 {[%emt 0:00:20]} 3. d4 {[%emt 0:00:09]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:06]} Qb6 {[%emt 0:00:08]} 5. Be3 {[%emt 0:00:39]} Bc5 {[%emt 0:08:12]} (5... Qxb2 $11 6. Nd2 a6) 6. Na3 $14 {[%emt 0:00:23] B40: Sicilian: 2...e6, Unusual lines.} a6 {[%emt 0:08:56]} (6... Qa5+ $14 7. Bd2 Qd8) 7. Nc4 $16 {[%emt 0:01:33] Active counter play!} Qc7 {[%emt 0:00:08]} 8. Qg4 {[%emt 0:01:20] White is better.} g6 {[%emt 0:03:54]} 9. Qg5 {[%emt 0:09:35] [#] Inhibits d5.} (9. e5 $16) 9... f6 $146 {[%emt 0:03:40]} (9... b5 $11 {remains equal.}) ({Predecessor:} 9... b5 10. Nd2 Be7 11. Qg3 Qxg3 12. hxg3 Bb7 13. a4 b4 14. Bd3 Nc6 15. Nc4 h5 16. Nxc6 dxc6 {1-0 (23) Poghosyan,T (1860)-Peter,A (1630) Oberhof 2012}) 10. Qg3 {[%emt 0:07:00]} Qxg3 {[%emt 0:01:47]} 11. hxg3 {[%emt 0:00:06][%cal Od4e6]} b5 {[%emt 0:11:30]} 12. Nd2 {[%emt 0:01:49][%cal Od4b5]} Nc6 $2 {[%emt 0:04:34] [#]} (12... d6 $16 {keeps fighting.}) 13. Nxb5 $1 $18 {[%emt 0:00:50][%mdl 512] Black must now prevent Nc7+.} Bxe3 {[%emt 0:01:11]} 14. Nd6+ $2 {[%emt 0:02:22]} ({White has to play} 14. Nc7+ $18 Kd8 15. Nxa8) 14... Ke7 $11 {[%emt 0:00:22] Strongly threatening ...Bxd2+.} 15. Nxc8+ {[%emt 0:00:17]} Rxc8 {[%emt 0:00:02]} 16. fxe3 {[%emt 0:00:11]} Nb4 {[%emt 0:00:09]} 17. Bd3 {[%emt 0:01:56]} ({White should try} 17. Rb1 $11) 17... Rxc2 {[%emt 0:01:19]} 18. Bxc2 {[%emt 0:00:27]} Nxc2+ {[%emt 0:00:02]} 19. Ke2 {[%emt 0:00:22]} Nxa1 {[%emt 0:00:05]} 20. Rxa1 $15 {[%emt 0:00:04][%mdl 4096] Endgame KRN-KRN} Nh6 {[%emt 0:00:06]} 21. Rc1 {[%emt 0:00:11]} Ng4 {[%emt 0:01:03]} (21... Rb8 $5 {[%cal Rb8b2]} 22. b3 Ng4 $15) 22. Rc7 {[%emt 0:00:31]} Rb8 {[%emt 0:00:11]} 23. b3 {[%emt 0:01:11]} Rb6 {[%emt 0:02:16]} (23... Ne5 $1 $15 24. Rc5 Nc6) 24. Nc4 $11 {[%emt 0:00:33]} Rc6 {[%emt 0:00:08]} 25. Ra7 {[%emt 0:02:57]} h5 {[%emt 0:05:22]} 26. a4 {[%emt 0:03:41]} Ne5 {[%emt 0:01:25]} 27. Nxe5 {[%emt 0:00:28]} fxe5 {[%emt 0:00:02] KR-KR} 28. Kd3 {[%emt 0:01:34] Inhibits Rc2.} Rd6+ {[%emt 0:00:47]} 29. Kc3 {[%emt 0:00:52]} Kf6 {[%emt 0:00:18]} 30. Ra8 {[%emt 0:00:47]} Rc6+ {[%emt 0:00:37]} 31. Kd3 {[%emt 0:00:17]} (31. Kb4 $11) 31... d5 {[%emt 0:00:41]} ({Better is} 31... Kg5 $1 $17) 32. exd5 {[%emt 0:00:32]} exd5 {[%emt 0:00:17]} 33. Rd8 {[%emt 0:00:27]} Ke6 {[%emt 0:01:19]} 34. Rg8 {[%emt 0:01:16]} Kf5 {[%emt 0:00:22]} 35. Rd8 {[%emt 0:00:21]} (35. Rb8 $15) 35... Rb6 $17 {[%emt 0:01:15]} 36. Kc3 {[%emt 0:02:34]} (36. Rxd5 $17 Rxb3+ 37. Ke2) 36... Ke4 $19 {[%emt 0:01:21]} 37. Re8 {[%emt 0:00:18]} Rc6+ {[%emt 0:01:25]} (37... Kxe3 38. Rxe5+ Kf2 39. Rg5 $11) 38. Kd2 {[%emt 0:00:08]} Rf6 $1 {[%emt 0:00:06]} 39. b4 {[%emt 0:02:49]} Rf2+ {[%emt 0:00:18]} 40. Kc3 {[%emt 0:00:29]} Ra2 $2 {[%emt 0:00:56]} (40... Re2 41. b5 Rxe3+ 42. Kb2 axb5 43. axb5 Re2+ 44. Kb3 Re1) 41. Kb3 $2 {[%emt 0:07:55]} (41. a5 {is the only way for White.}) 41... Re2 $1 {[%emt 0:02:51]} 42. b5 {[%emt 0:01:06]} axb5 {[%emt 0:00:32]} 43. axb5 {[%emt 0:00:19]} Rxe3+ {[%emt 0:01:17]} 44. Kb2 {[%emt 0:00:41] [#]} Re2+ $1 {[%emt 0:05:16]} 45. Kc1 {[%emt 0:02:06]} Rf2 {[%emt 0:01:16]} (45... Rxg2 46. b6 $11) 46. b6 {[%emt 0:00:08]} Rf7 {[%emt 0:00:33]} 47. Kd2 {[%emt 0:07:30]} Rb7 {[%emt 0:01:45]} 48. Re6 {[%emt 0:00:20]} g5 {[%emt 0:00:08]} 49. Rf6 {[%emt 0:01:47]} (49. Kc2 $142 d4 50. Kd2) 49... Kd4 {[%emt 0:00:36]} 50. Rc6 {[%emt 0:01:01]} e4 {[%emt 0:01:25]} 51. Ke2 {[%emt 0:01:14]} Ke5 {[%emt 0:00:56] And now ...Kd4 would win.} 52. Rg6 {[%emt 0:01:42]} Kf5 $2 {[%emt 0:03:43]} (52... Rb8 53. Ke3 d4+ 54. Ke2 Kf5) 53. Rd6 {[%emt 0:02:15] [#]} Kg4 {[%emt 0:03:44]} ({Don't blunder} 53... Ke5 $2 54. Rc6 $19) (53... d4 $1 $19 {aiming for ...Kg4.} 54. Kf2 Ke5) 54. Rxd5 $2 {[%emt 0:06:18][%mdl 8192]} (54. Kf2 $17) 54... Rxb6 {[%emt 0:00:07]} 55. Re5 {[%emt 0:00:05]} Rb2+ $2 {[%emt 0:00:13]} (55... Rb3 $19 {[%cal Oe4e3] Threatens to win with ...e3!} 56. Rxe4+ Kxg3) 56. Kf1 $17 {[%emt 0:00:25]} Rc2 {[%emt 0:06:17]} ({Not} 56... Kxg3 57. Rxg5+ Kh4 58. Rg8 $11) (56... Rb1+ $17 57. Kf2 Rb4) 57. Rxe4+ $15 {[%emt 0:03:44]} Kxg3 {[%emt 0:00:03]} 58. Re3+ {[%emt 0:00:11]} Kf4 {[%emt 0:01:20]} 59. Rf3+ {[%emt 0:00:10]} Kg4 {[%emt 0:00:20]} 60. Ra3 {[%emt 0:00:28]} Rc4 {[%emt 0:02:31]} 61. Kf2 {[%emt 0:00:35]} Rf4+ {[%emt 0:01:05]} 62. Kg1 {[%emt 0:00:47]} h4 {[%emt 0:00:07]} 63. Ra8 {[%emt 0:01:31]} Rc4 {[%emt 0:03:00]} 64. Rb8 $1 {[%emt 0:00:22]} h3 {[%emt 0:00:59]} 65. gxh3+ {[%emt 0:00:43]} Kxh3 {[%emt 0:00:08]} 66. Rb3+ {[%emt 0:00:21]} Kh4 {[%emt 0:00:08]} 67. Kh2 {[%emt 0:02:30]} Rc2+ {[%emt 0:00:25]} 68. Kg1 {[%emt 0:00:16]} g4 {[%emt 0:01:08][%cal Bg5g4,Bg4g3][%mdl 32]} 69. Rb1 {[%emt 0:02:18]} ({White should play} 69. Ra3 $11) 69... Kh3 {[%emt 0:02:06]} ({Much weaker is} 69... Rc3 70. Rb2 $11) 70. Rb3+ $1 {[%emt 0:00:50]} g3 {[%emt 0:00:42][%cal Rc2c1]} 71. Rb1 {[%emt 0:00:04] Prevents Rc1+. White used his chance.  Weighted Error Value: White=0.48/Black=0.44} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.26"]
[White "Salas Estrada, Ana Valeria"]
[Black "Guillen Cristobal, Sandra N"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1783"]
[BlackElo "1933"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,79,0,8,-12,6,-18,-8,-26,-15,-24,-16,-24,-3,-20,-19,-25,-16,-39,-47,-45,-43,-44,-36,-140,-133,-123,-124,-138,-144,-176,-200,-470,-108,-90,-91,-98,-84,-125,-47,-32,-8,-2,0,-7,216,218,612,590,570,365,355,187,190,0,0,0,0,0,0,-2,0,-5,-7,-5,-2,-29999]} 1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:28]} 2. Nf3 {[%emt 0:00:19]} Nc6 {[%emt 0:00:10]} 3. d3 {[%emt 0:00:29]} g6 {[%emt 0:00:12]} 4. g3 {[%emt 0:00:11]} Bg7 {[%emt 0:00:07]} 5. Bg2 {[%emt 0:00:05]} d6 {[%emt 0:00:16]} 6. O-O {[%emt 0:00:38]} Nf6 {[%emt 0:00:08]} 7. Re1 {[%emt 0:02:07] is recently more successful than 7.c3.} O-O {[%emt 0:00:08]} 8. Nbd2 {[%emt 0:00:06][%cal Bb1d2,Bd2f1,Bf1h2,Bh2f3][%mdl 32]} Rb8 {[%emt 0:00:59]} 9. Nf1 {[%emt 0:01:17] A05: Réti Opening: 1 Nf3 Nf6.} Nd4 {[%emt 0:02:14]} 10. h3 {[%emt 0:03:34]} b5 {[%emt 0:02:00] [#]} 11. N1h2 $146 {[%emt 0:05:17] The position is equal.} ({Predecessor:} 11. Nxd4 cxd4 12. f4 Bb7 13. g4 Qc7 14. Ng3 Rfc8 15. Re2 a5 16. Rf2 Nd7 17. g5 {1-0 (49) Heydarov,A-Asadov,E Baku 2004}) 11... Nxf3+ {[%emt 0:02:44]} 12. Nxf3 {[%emt 0:01:47]} Bb7 {[%emt 0:00:05]} 13. Bg5 {[%emt 0:04:59]} h6 {[%emt 0:00:57]} 14. Bd2 {[%emt 0:00:14]} a5 {[%emt 0:02:05]} 15. Nh2 {[%emt 0:09:42]} Kh7 {[%emt 0:08:59]} 16. Ng4 {[%emt 0:06:00]} Nxg4 {[%emt 0:02:04]} 17. hxg4 {[%emt 0:00:56]} b4 {[%emt 0:00:23]} 18. Rb1 {[%emt 0:01:17]} Qd7 {[%emt 0:00:14]} 19. Bh3 {[%emt 0:10:55]} (19. c4 $15) 19... Qa4 $17 {[%emt 0:00:53]} 20. b3 {[%emt 0:13:32]} Qxa2 {[%emt 0:01:19]} 21. Re2 {[%emt 0:03:46]} a4 {[%emt 0:00:56] &Nero is more active.} 22. c3 {[%emt 0:18:13][%cal Od2h6]} axb3 {[%emt 0:01:13]} 23. Bxh6 $2 {[%emt 0:01:46] [#]} (23. Qxb3 Qxb3 24. Rxb3) 23... Qa5 $2 {[%emt 0:02:12]} ({Worse is} 23... Kxh6 24. Rxa2 bxa2 25. Qd2+ Kh7 26. Qxa2 $19) (23... Bxh6 $1 $19 24. Rxa2 bxa2) 24. Bxg7 {[%emt 0:00:30]} Kxg7 {[%emt 0:00:05]} 25. cxb4 {[%emt 0:00:13]} cxb4 {[%emt 0:01:21]} 26. Qxb3 {[%emt 0:00:26] [#]} Bc6 {[%emt 0:00:39]} (26... Bc8 $1 $17 {aiming for ...Rh8.} 27. Qb2+ e5) 27. Rc2 $15 {[%emt 0:01:53]} Ba4 {[%emt 0:02:04]} 28. Qb2+ {[%emt 0:00:33]} f6 {[%emt 0:00:09]} 29. Ra1 {[%emt 0:04:23][%cal Og4g5] g5! is the strong threat.} Qb5 {[%emt 0:04:16]} (29... b3 $11 {and Black stays safe.} 30. Rc4 Rb4) 30. Rc7 $18 {[%emt 0:02:10]} Qe8 {[%emt 0:01:11]} (30... g5 31. Ra7 (31. Rxe7+ Rf7 $14) 31... b3 32. R1xa4 Qe5) 31. g5 $1 {[%emt 0:01:07] And now gxf6+ would win.} Qd8 {[%emt 0:09:18]} 32. gxf6+ {[%emt 0:00:28]} Rxf6 {[%emt 0:00:29] [#]} 33. Ra7 {[%emt 0:04:52]} (33. e5 $142 $1 {[%mdl 512]} dxe5 34. Qxe5) 33... Bc6 {[%emt 0:10:38]} 34. e5 $2 {[%emt 0:00:18]} ({White should try} 34. Be6 $18) 34... dxe5 $11 {[%emt 0:01:00]} 35. Qxe5 {[%emt 0:00:03]} Rb7 {[%emt 0:00:33]} 36. Rxb7 {[%emt 0:00:50]} Bxb7 {[%emt 0:00:16]} 37. Ra7 {[%emt 0:03:25]} Qb6 $40 {[%emt 0:00:19][%csl Gf6][%cal Rb6f2][%mdl 128] Black is up to no good.} 38. Qxe7+ {[%emt 0:00:19]} Rf7 {[%emt 0:00:10][%csl Gf7][%cal Rb6f2] Dancing on a razor blade.} 39. Qe5+ {[%emt 0:00:09]} Kh7 {[%emt 0:00:11][%csl Gf7][%cal Rb6f2]} 40. Ra1 $2 {[%emt 0:00:51][%mdl 8192]} (40. Ra2 $11) 40... Qxf2# {[%emt 0:00:19] Weighted Error Value: White=0.57/Black=0.52} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.15"]
[Round "5.27"]
[White "Ramirez Toledo, Ayleen Maribel"]
[Black "Padilla Garcia, Cecilia Xasive"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1810"]
[BlackElo "1834"]
[Annotator "NA RC"]
[PlyCount "95"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:03]} c5 {[%emt 0:00:06]} 2. g3 {[%emt 0:00:19]} Nc6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:42]} cxd4 {[%emt 0:00:50]} 4. Nxd4 {[%emt 0:00:06]} d5 {[%emt 0:02:07]} 5. Bg2 {[%emt 0:00:17]} Nf6 {[%emt 0:05:55]} 6. O-O {[%emt 0:05:56]} g6 {[%emt 0:01:04]} 7. c4 {[%emt 0:00:52]} Nxd4 {[%emt 0:10:37]} 8. Qxd4 {[%emt 0:00:10]} dxc4 {[%emt 0:23:36]} 9. Qxd8+ {[%emt 0:08:50]} Kxd8 {[%emt 0:00:02]} 10. Na3 {[%emt 0:00:12]} Nd7 {[%emt 0:13:50]} 11. Nxc4 {[%emt 0:02:35]} Bg7 {[%emt 0:00:47]} 12. Bd2 {[%emt 0:03:02]} Rb8 {[%emt 0:02:55]} 13. Rad1 {[%emt 0:05:13]} Ke8 {[%emt 0:01:35]} 14. Bb4 {[%emt 0:13:12]} Bf6 {[%emt 0:17:22]} 15. f4 {[%emt 0:06:03]} Nb6 {[%emt 0:06:12]} 16. Nxb6 {[%emt 0:15:35]} axb6 {[%emt 0:00:02]} 17. Rd2 {[%emt 0:01:05]} Bd7 {[%emt 0:06:25]} 18. Rfd1 {[%emt 0:05:31]} Bc6 {[%emt 0:01:03]} 19. e4 {[%emt 0:00:47]} e6 {[%emt 0:01:33]} 20. e5 {[%emt 0:01:39]} Be7 {[%emt 0:02:12]} 21. Bxe7 {[%emt 0:02:24]} Kxe7 {[%emt 0:00:09]} 22. Bxc6 {[%emt 0:00:20]} bxc6 {[%emt 0:00:01]} 23. Rd7+ {[%emt 0:00:11]} Kf8 {[%emt 0:00:28]} 24. Rc7 {[%emt 0:00:35]} Kg7 {[%emt 0:01:42]} 25. Rxc6 {[%emt 0:02:54]} Rhc8 {[%emt 0:00:21]} 26. Rdd6 {[%emt 0:00:45]} b5 {[%emt 0:01:01]} 27. Kf2 {[%emt 0:03:01]} b4 {[%emt 0:01:09]} 28. Ke3 {[%emt 0:02:33]} Rxc6 {[%emt 0:00:12]} 29. Rxc6 {[%emt 0:00:01]} Ra8 {[%emt 0:00:04]} 30. Rb6 {[%emt 0:00:21]} Rxa2 {[%emt 0:00:05]} 31. Rxb4 {[%emt 0:20:46]} Ra1 {[%emt 0:00:13]} 32. Rc4 {[%emt 0:00:00]} h6 {[%emt 0:00:33]} 33. Kd4 {[%emt 0:00:00]} g5 {[%emt 0:00:45]} 34. b4 {[%emt 0:00:00]} Ra2 {[%emt 0:00:42]} 35. b5 {[%emt 0:00:00]} Rxh2 {[%emt 0:00:33]} 36. b6 {[%emt 0:00:00]} gxf4 {[%emt 0:00:55]} 37. gxf4 {[%emt 0:00:00]} Rb2 {[%emt 0:00:11]} 38. Kc5 {[%emt 0:00:00]} Kg6 {[%emt 0:01:20]} 39. Rb4 {[%emt 0:00:00]} Rc2+ {[%emt 0:00:05]} 40. Kd6 {[%emt 0:00:00]} Rc8 {[%emt 0:00:51]} 41. b7 {[%emt 0:00:00]} Rd8+ {[%emt 0:00:42]} 42. Kc7 {[%emt 0:00:00]} Re8 {[%emt 0:00:09]} 43. b8=Q {[%emt 0:00:00]} Rxb8 {[%emt 0:00:03]} 44. Kxb8 {[%emt 0:00:00]} Kf5 {[%emt 0:00:04]} 45. Kc7 {[%emt 0:00:00]} h5 {[%emt 0:00:50]} 46. Kd6 {[%emt 0:00:00]} f6 {[%emt 0:00:17]} 47. exf6 {[%emt 0:00:00]} Kxf6 {[%emt 0:00:03]} 48. Rb8 {[%emt 0:00:00]} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.1"]
[White "Salinas Herrera, Pablo"]
[Black "Cori, Jorge"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2517"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,97,33,43,32,39,33,40,36,47,48,27,33,33,33,33,32,16,16,22,20,26,26,39,15,21,0,0,0,0,0,0,-2,0,-25,-15,-12,-20,-34,-33,-35,-23,-27,-4,-37,-28,-38,-26,-42,-49,-37,0,0,0,0,0,0,0,0,0,0,0,0,0,-87,-87,-88,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:03:36]} 2. Nf3 {[%emt 0:00:27]} d5 {[%emt 0:00:34]} 3. Bf4 {[%emt 0:00:23]} c5 {[%emt 0:03:02]} 4. e3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:10]} 5. Nbd2 {[%emt 0:00:08]} cxd4 {[%emt 0:05:58]} 6. exd4 {[%emt 0:00:07]} g6 {[%emt 0:00:05]} 7. c3 {[%emt 0:09:58]} Bg7 {[%emt 0:00:16]} 8. Bd3 {[%emt 0:00:07]} Nh5 {[%emt 0:02:24]} 9. Be3 {[%emt 0:02:20]} O-O {[%emt 0:07:04]} 10. O-O {[%emt 0:02:13]} Qd6 {[%emt 0:00:11]} 11. Re1 {[%emt 0:01:57] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Bd7 {[%emt 0:02:05] [#]} 12. a4 $146 {[%emt 0:07:56][%cal Ba2a4,Ba4a5][%mdl 32]} ({Predecessor:} 12. Bf1 Rae8 13. a3 f5 14. Nb3 f4 15. Bd2 Bg4 16. Be2 Nf6 17. h3 Bc8 18. c4 e6 {½-½ (59) Efanov,N (2411)-Potapov,A (2316) Kharkov 2009}) 12... Rfe8 {[%emt 0:01:31]} 13. Bf1 {[%emt 0:09:27] White is slightly better.} Rad8 {[%emt 0:04:11]} 14. a5 {[%emt 0:04:23]} Qc7 {[%emt 0:02:16]} 15. Qb3 {[%emt 0:09:03]} e6 {[%emt 0:11:54]} 16. Qa2 {[%emt 0:00:38]} a6 {[%emt 0:04:43]} 17. Nb3 {[%emt 0:03:03]} Na7 {[%emt 0:00:15]} 18. g3 {[%emt 0:02:46]} Bb5 {[%emt 0:01:28]} 19. Bg2 {[%emt 0:00:12]} Bf8 {[%emt 0:08:48]} 20. Nc5 {[%emt 0:01:32]} Nc6 {[%emt 0:04:21]} 21. b4 {[%emt 0:00:57]} f6 {[%emt 0:00:47]} 22. Bh3 {[%emt 0:00:42]} Qf7 {[%emt 0:03:40]} 23. Qd2 {[%emt 0:07:34]} Ng7 {[%emt 0:01:27]} 24. Bh6 {[%emt 0:01:42]} Bxc5 {[%emt 0:00:45]} 25. bxc5 {[%emt 0:08:28]} Nf5 {[%emt 0:00:07]} 26. Be3 {[%emt 0:00:14]} g5 {[%emt 0:01:45]} 27. Qc2 {[%emt 0:03:41]} Qg6 {[%emt 0:03:10] aiming for ...g4.} 28. Nd2 {[%emt 0:00:50]} Kf7 {[%emt 0:01:44]} 29. Qb3 {[%emt 0:00:44]} Re7 {[%emt 0:00:30]} (29... Nxe3 30. fxe3 Na7 31. Bg2 $14) 30. Bg2 {[%emt 0:00:31]} h5 {[%emt 0:00:31]} (30... Nxe3 31. fxe3 Qd3 32. Qb2 $14) 31. Qa2 {[%emt 0:01:06]} Kg7 {[%emt 0:00:19]} (31... Nxe3 32. fxe3 h4 33. e4 $11) 32. Rad1 {[%emt 0:00:28]} g4 {[%emt 0:07:40]} 33. c4 {[%emt 0:00:46]} dxc4 {[%emt 0:00:04]} 34. Nxc4 {[%emt 0:00:27]} Nfxd4 {[%emt 0:02:53]} ({Resist} 34... Ncxd4 35. Bxd4 Rxd4 36. Nd6 Rxd1 37. Rxd1 $14) 35. Bxd4 {[%emt 0:05:37]} Rxd4 {[%emt 0:00:59]} 36. Nd6 {[%emt 0:00:08]} Rxd1 {[%emt 0:01:27]} 37. Rxd1 {[%emt 0:02:18]} Ne5 {[%emt 0:00:15]} 38. Nxb5 {[%emt 0:01:03]} ({Not} 38. Bxb7 $2 Rxb7 $1 {[%mdl 512]} 39. Nxb7 Qe4 $19) 38... axb5 {[%emt 0:00:02]} 39. Qb3 {[%emt 0:00:07]} h4 {[%emt 0:09:42][%cal Bh5h4,Bh4h3][%mdl 32]} 40. Qxb5 {[%emt 0:00:12]} Qc2 {[%emt 0:00:54]} 41. Rf1 {[%emt 0:02:06] [#]} (41. Re1 $1 $11 {remains equal.} Nd3 42. Rf1 hxg3 43. hxg3 Nxc5 44. Qb4) 41... h3 $1 $17 {[%emt 0:04:36]} 42. Bxb7 {[%emt 0:00:07] [#] Threatens to win with a6.} Rxb7 $1 {[%emt 0:00:24]} 43. Qxb7+ {[%emt 0:00:05][%mdl 4096] Endgame KQR-KQN. The position is equal.} Kh6 {[%emt 0:00:04] ( -> ...Qe2)} 44. Qe7 {[%emt 0:13:09]} Qe4 {[%emt 0:02:35][%csl Gh3][%cal Re4g2]} 45. Qxf6+ {[%emt 0:00:04]} Ng6 {[%emt 0:00:03][%csl Gh3][%cal Re4g2]} 46. f3 {[%emt 0:00:24]} Qe2 {[%emt 0:00:06][%csl Gh3][%cal Re2g2]} 47. Rf2 {[%emt 0:00:06] Against Qg2+} Qe1+ {[%emt 0:00:24]} 48. Rf1 {[%emt 0:00:04]} Qe2 {[%emt 0:00:04][%csl Gh3][%cal Re2g2]} 49. Rf2 {[%emt 0:00:05] Inhibits Qg2+.  Weighted Error Value: White=0.07 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.2"]
[White "Gonzalez Zamora, Juan Carlos"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2544"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,136,13,18,8,10,13,25,27,27,24,38,23,31,14,14,14,10,10,7,22,8,8,14,12,31,31,22,0,14,0,0,0,0,0,0,0,0,-5,-1,0,-2,-14,-12,-16,0,-227,-227,-227,-227,-227,-227,-227,-227,-227,-227,-227,-214,-227,-227,-227,-227,-227,-227,-318,-318,-318,-311,-315,-318,-322,-225,-318,-318,-316,-315,-315,-304,-805,-825,-767,-729,-716,-689,-676,-617,-12833,-893,-779,-746,-1985,-1887,-5960,-5273,-12840,-12840,-12841,-12840,-12841,-12841,-12841,-12842,-12844,-12840,-12841,-12841,-12843,-12841,-12841,-12841,-12841,-12842,-12842,-12843,-12843,-12843,-12844,-12843,-12844,-12844,-12845,-12845,-12845,-12845,-12845,-12846,-12846,-12847,-12847,-12847]} 1. Nf3 {[%emt 0:00:24]} d5 {[%emt 0:00:04]} 2. d4 {[%emt 0:00:31]} Nf6 {[%emt 0:00:16]} 3. c4 {[%emt 0:00:26]} e6 {[%emt 0:00:17]} 4. e3 {[%emt 0:01:57]} a6 {[%emt 0:00:19]} 5. Nbd2 {[%emt 0:00:39]} b6 {[%emt 0:03:38]} 6. b3 {[%emt 0:00:48] D30: Queen's Gambit Declined: Systems without Nc3.} Bb7 {[%emt 0:00:06]} 7. Bb2 {[%emt 0:00:04]} Bd6 {[%emt 0:02:23]} 8. Bd3 {[%emt 0:00:24] White has an edge.} Nbd7 {[%emt 0:01:45]} 9. O-O {[%emt 0:00:45]} c5 $5 {[%emt 0:00:51][%mdl 4] Exploring less charted territory.} 10. cxd5 {[%emt 0:06:34]} exd5 {[%emt 0:00:13]} 11. Re1 {[%emt 0:01:18]} O-O {[%emt 0:31:07] [#]} 12. e4 $146 {[%emt 0:00:30]} (12. Ne5 {seems wilder.} b5 13. Nxd7 Nxd7 14. dxc5 Nxc5 15. Nf3) ({Predecessor:} 12. dxc5 Nxc5 13. Bf1 Re8 14. Rc1 Rc8 15. Nd4 Qd7 16. Rc2 Ng4 17. g3 Ne5 18. N2f3 f6 19. Be2 Ne4 20. Rxc8 Bxc8 21. Nc2 {½-½ (21) Gustafsson,J (2615)-Horvath,C (2563) Austria 2006}) 12... dxe4 {[%emt 0:00:30]} (12... Nxe4 {with more complications.} 13. Nxe4 dxe4 14. Bxe4 Bxe4 15. Rxe4 Nf6) 13. Nxe4 {[%emt 0:00:30]} Nxe4 {[%emt 0:00:30]} 14. Bxe4 {[%emt 0:00:30]} Bxe4 {[%emt 0:00:30]} 15. Rxe4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 16. Re2 {[%emt 0:00:30]} Rc8 {[%emt 0:00:30]} 17. dxc5 {[%emt 0:00:30]} Bxc5 {[%emt 0:00:30]} 18. Qf1 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 19. Rd1 {[%emt 0:00:30]} Qb6 {[%emt 0:00:30]} 20. a3 {[%emt 0:00:30]} Rfd8 {[%emt 0:00:30]} 21. b4 {[%emt 0:00:30]} Bf8 {[%emt 0:00:30]} 22. Rxd8 {[%emt 0:00:30]} Rxd8 {[%emt 0:00:30]} 23. Rd2 {[%emt 0:00:30]} Ne4 {[%emt 0:00:30]} 24. Rxd8 {[%emt 0:00:30]} Qxd8 {[%emt 0:00:30]} 25. Qe2 {[%emt 0:00:30]} Qd5 {[%emt 0:00:30]} 26. g3 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 27. Bd4 $2 {[%emt 1:22:40] [#] Black converts the advantage convincingly.} (27. Qe3 $11) 27... Ng5 $1 $19 28. Nxg5 {[%emt 0:00:00] aiming for Nf3.} Qxd4 {[%emt 0:02:20]} 29. Ne6 {[%emt 0:00:00]} fxe6 {[%emt 0:03:53]} 30. Qxe6+ {[%emt 0:00:00]} Kh8 {[%emt 0:00:05] Strongly threatening ...Qa1+.} 31. Qxa6 {[%emt 0:00:00]} Qd1+ {[%emt 0:01:11]} 32. Kg2 {[%emt 0:00:00]} Qd5+ {[%emt 0:00:03]} 33. Kg1 {[%emt 0:00:00]} Be7 {[%emt 0:05:14]} 34. Qc8+ {[%emt 0:00:00]} Bd8 {[%emt 0:00:05]} 35. h4 {[%emt 0:00:00]} Kg8 {[%emt 0:00:31]} 36. h5 {[%emt 0:00:00]} (36. Qc2 {is a better defense.}) 36... Kf7 {[%emt 0:00:54]} 37. Qg4 {[%emt 0:00:00]} Bf6 {[%emt 0:00:21]} 38. Qe2 {[%emt 0:00:00]} Kf8 {[%emt 0:03:36]} 39. Kh2 {[%emt 0:00:00]} Bd4 {[%emt 0:00:29]} 40. Qg4 {[%emt 0:00:00]} (40. Kg1 $142) 40... Ke7 {[%emt 0:01:30]} ({And not} 40... Bxf2 41. Qf4+ Qf7 42. Qb8+ Ke7 43. Qb7+ Ke6 44. Qxb5 $19) 41. Qe2+ {[%emt 0:00:00]} Qe5 {[%emt 0:01:56]} 42. Qf3 {[%emt 0:00:00]} Kd6 {[%emt 0:00:44]} 43. Kh3 $2 {[%emt 0:00:00]} (43. Kg1) 43... Qd5 {[%emt 0:06:59] Black is clearly winning.} 44. Qf4+ {[%emt 0:00:00]} Kd7 {[%emt 0:00:13]} 45. Qd2 {[%emt 0:02:27]} Qxh5+ {[%emt 0:00:22]} 46. Kg2 {[%emt 0:00:03]} Qd5+ {[%emt 0:00:11]} 47. f3 {[%emt 0:00:08]} Ke6 {[%emt 0:04:40]} (47... g5 $142 48. g4 Qc4) 48. Qc2 {[%emt 0:00:42]} Qc4 {[%emt 0:00:24]} 49. Qe4+ {[%emt 0:02:53]} Be5 {[%emt 0:01:26] [#] Hoping for ...Qxe4.} 50. Qg6+ {[%emt 0:01:24]} Ke7 {[%emt 0:00:10] White must now prevent ...Qe2+.} 51. f4 {[%emt 0:00:32]} Qe2+ {[%emt 0:00:58]} 52. Kh3 {[%emt 0:01:32]} Bf6 {[%emt 0:00:33]} 53. Qb1 {[%emt 0:00:42]} Bd4 {[%emt 0:09:04]} 54. Qc1 {[%emt 0:00:46]} Kf6 {[%emt 0:03:47]} 55. Qb1 {[%emt 0:01:37]} h5 {[%emt 0:00:34]} 56. Qh1 {[%emt 0:00:25]} Bf2 {[%emt 0:04:09]} 57. Qa1+ {[%emt 0:01:13]} Kf7 {[%emt 0:00:25]} 58. Qc3 {[%emt 0:00:15] Inhibits Qf3.} Bb6 {[%emt 0:01:58] ( -> ...Qf1+)} 59. Qc1 {[%emt 0:00:43] Inhibits Qf1+.} Qg4+ {[%emt 0:03:32]} 60. Kh2 {[%emt 0:00:10]} h4 {[%emt 0:00:06]} 61. gxh4 {[%emt 0:00:26]} Qxh4+ {[%emt 0:00:04]} 62. Kg2 {[%emt 0:00:06]} Qg4+ {[%emt 0:00:03]} 63. Kh2 {[%emt 0:00:46]} Qe2+ {[%emt 0:00:06]} 64. Kh1 {[%emt 0:00:28]} Qe3 {[%emt 0:00:26][%cal Re3h3]} 65. Qf1 {[%emt 0:00:40] Inhibits Qh3+.} Qxa3 {[%emt 0:00:56]} 66. Kg2 {[%emt 0:00:46]} Qxb4 {[%emt 0:01:22]} 67. Qd3 {[%emt 0:00:39]} Qc5 {[%emt 0:00:07]} 68. Qd7+ {[%emt 0:00:08]} Kf6 {[%emt 0:00:07] Weighted Error Value: White=0.72/Black=0.20 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.3"]
[White "Quesada Perez, Luis Ernesto"]
[Black "Cordova, Emilio"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2517"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 32,36,0,0,0,0,0]} 1. d4 {[%emt 0:00:11]} d5 {[%emt 0:00:59]} 2. c4 {[%emt 0:00:14]} c6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:49]} Nf6 {[%emt 0:00:09]} 4. Nf3 {[%emt 0:00:12]} dxc4 {[%emt 0:02:14]} 5. a4 {[%emt 0:00:34]} Bf5 {[%emt 0:00:13]} 6. Ne5 {[%emt 0:03:37]} e6 {[%emt 0:02:26]} 7. f3 {[%emt 0:01:21]} Bb4 {[%emt 0:09:52]} 8. e4 {[%emt 0:07:56]} Bxe4 {[%emt 0:11:21]} 9. fxe4 {[%emt 0:00:15]} Nxe4 {[%emt 0:00:07]} 10. Qf3 {[%emt 0:27:10]} Qxd4 {[%emt 0:08:51]} 11. Qxf7+ {[%emt 0:00:26]} Kd8 {[%emt 0:00:05]} 12. Bg5+ {[%emt 0:04:12]} Nxg5 {[%emt 0:00:29]} 13. Qxg7 {[%emt 0:00:10]} Bxc3+ {[%emt 0:00:06]} 14. bxc3 {[%emt 0:00:09]} Qxc3+ {[%emt 0:00:05]} 15. Ke2 {[%emt 0:03:21]} Qc2+ {[%emt 0:02:24]} 16. Ke1 {[%emt 0:00:32]} Qc3+ {[%emt 0:02:54]} 17. Ke2 {[%emt 0:00:16] [#] White threatens Rd1+ and mate.} Qc2+ $146 {[%emt 0:00:06] D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} ({Much less strong is} 17... Qxa1 18. Nxc6+ (18. Qxh8+ Kc7 $11) 18... Nxc6 19. Qxa1 $16) ({Predecessor:} 17... Qb2+ 18. Ke3 Qxa1 19. Qxh8+ Kc7 20. Qg7+ Kc8 21. Qf8+ Kc7 22. Qe7+ Kc8 23. Qe8+ Kc7 24. Qe7+ {½-½ (26) Dietmayer Kraeutler,M (2276)-Diermair,A (2361) St Veit 2009}) 18. Ke1 {[%emt 0:00:10] Chess con chili.} Qc3+ {[%emt 0:00:06] An interesting draw.} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.4"]
[White "Perez Gormaz, Matias"]
[Black "Obregon Rivero, Juan Carlos"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2404"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,42,11,41,18,55,41,45,10,28,24,39,33,31,0,22,0,0,0,10,0,0,0,0,0,187,183,179,-275,0,-148,-141,-29996,-101]} 1. e4 {[%emt 0:00:00]} d5 2. exd5 {[%emt 0:00:00]} Qxd5 3. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:07:07]} 4. c3 {[%emt 0:00:22]} c5 {[%emt 1:25:23]} 5. d4 Nc6 {[%emt 0:00:00]} 6. dxc5 {[%emt 0:01:37]} Qxc5 {[%emt 0:00:00]} 7. Na3 {[%emt 0:00:33][%cal Bb1a3,Ba3b5,Bb5d4][%mdl 32] B22: Sicilian: 2 c3.} e6 {[%emt 0:00:00]} 8. Nb5 {[%emt 0:04:19]} Qe7 {[%emt 0:00:00] [#] Against Nc7+} 9. Bg5 $146 {[%emt 0:27:06] White is slightly better.} (9. Qa4 $5 {[%cal Rc1f4]} Nd5 10. Bf4 Nxf4 11. Qxf4 $14) ({Predecessor:} 9. b3 a6 10. Ba3 Qd8 11. Nd6+ Bxd6 12. Qxd6 Qxd6 13. Bxd6 Ne4 14. Ba3 Nxc3 15. Bb2 {½-½ (45) Kharlov,A (2545)-Tolnai,T (2490) Budapest 1992}) 9... a6 {[%emt 0:00:00]} 10. Qa4 {[%emt 0:01:51] And now 0-0-0 would win.} Rb8 $1 {[%emt 0:00:00]} 11. Nbd4 {[%emt 0:18:21][%cal Of1a6] Black must now prevent Bxa6!} Bd7 {[%emt 0:00:00]} 12. O-O-O {[%emt 0:00:17]} Rc8 {[%emt 0:00:00]} (12... h6 $5 {[%cal Rh6g5]} 13. Bh4 Rc8 $11) 13. Nxc6 {[%emt 0:18:37]} Bxc6 {[%emt 0:00:00]} 14. Qh4 {[%emt 0:00:08]} h6 {[%emt 0:00:00][%cal Oh6g5]} 15. Ne5 {[%emt 0:01:00]} hxg5 {[%emt 0:00:00]} 16. Qxh8 {[%emt 0:00:14]} Ne4 {[%emt 0:00:00][%cal Oe4c3] Strongly threatening ...Nxc3!} 17. Bd3 {[%emt 0:05:59]} Nxf2 $2 {[%emt 0:00:00]} (17... Nxc3 $1 $11 18. bxc3 Qc5) 18. Rhf1 $18 {[%emt 0:00:57]} (18. Nxc6 Rxc6 19. Qh5 Rd6 $17) 18... Qc5 {[%emt 0:00:00] [#]} (18... Nxd1 $2 19. Rxf7 Qxf7 20. Nxf7 Kxf7 21. Qh5+ Kf6 22. Qg6+ (22. Qxd1 Bxg2 23. Qh5 Bd5 $18) 22... Ke7 23. Qxg5+ Kd6 24. Kxd1 $18) 19. Bg6 $4 {[%emt 0:06:40][%mdl 8192]} fxg6 {[%emt 0:00:00]} (19... Nxd1 $2 20. Rxf7 $1 Kd8 21. Rxf8+ Qxf8 22. Qxf8+ $18) (19... Qe3+ $1 $19 20. Kb1 (20. Rd2 $2 Be4 $19) 20... Be4+ 21. Bxe4 Nxd1) 20. Nxg6 {[%emt 0:00:05] [#]} (20. Qg8 Nxd1 21. Qf7+ Kd8 22. Qxf8+ (22. Rxd1+ Bd6 $17) 22... Qxf8 23. Rxf8+ Kc7 24. Rxc8+ Kxc8 $15) (20. Rd2 $11 {remains equal.} Ne4 21. Rd3 $1) 20... Be4 $1 $17 {[%emt 0:00:00] ( -> ...Qe3+)} ({Much less strong is} 20... Bxg2 21. Nxf8 (21. Qg8 Qe3+ 22. Rd2 Rxc3+ 23. bxc3 Qxc3+ 24. Rc2 Qa1+ 25. Kd2 Qd4+ 26. Kc1 Qa1+ 27. Kd2 Qd4+ 28. Kc1 Qa1+ $11) 21... Qe3+ 22. Kb1 Be4+ 23. Ka1 Nxd1 24. Nxe6+ (24. Rxd1 Kf7 $11) 24... Kd7 25. Qxg7+ (25. Rxd1+ Bd3 $14) 25... Kc6 26. Rxd1 $16) 21. Nxf8 $4 {[%emt 0:05:48][%mdl 8192]} (21. Qxf8+ $17 Qxf8 22. Nxf8 Nxd1 23. Nxe6 Nxc3 24. bxc3) 21... Qe3+ {[%emt 0:00:00] Weighted Error Value: White=0.79/Black=0.39} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.5"]
[White "Hernandez Guerrero, Gilberto"]
[Black "Ibarra Chami, Luis Fernando"]
[Result "1-0"]
[ECO "C83"]
[WhiteElo "2564"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,55,36,16,22,55,55,87,82,70,83,68,82,81,66,159,164,164,167,189,187,183,202,195,182,183,180,359,358,430,454,455,444,424,413]} 1. e4 {[%emt 0:00:05] ChessBase} e5 {[%emt 0:03:20]} 2. Nf3 {[%emt 0:00:41]} Nc6 {[%emt 0:00:07]} 3. Bb5 {[%emt 0:00:17]} a6 {[%emt 0:00:20]} 4. Ba4 {[%emt 0:00:18]} Nf6 {[%emt 0:00:23]} 5. O-O {[%emt 0:00:29]} Nxe4 {[%emt 0:01:24]} 6. d4 {[%emt 0:00:45]} b5 {[%emt 0:00:14]} 7. Bb3 {[%emt 0:00:07]} d5 {[%emt 0:00:09]} 8. dxe5 {[%emt 0:00:13]} Be6 {[%emt 0:00:22]} 9. Nbd2 {[%emt 0:00:12]} Be7 {[%emt 0:03:19]} 10. c3 {[%emt 0:03:33]} O-O {[%emt 0:01:20]} 11. Bc2 {[%emt 0:06:28]} f5 {[%emt 0:01:19]} 12. Nb3 {[%emt 0:04:43]} Qd7 {[%emt 0:02:33]} 13. Re1 {[%emt 0:09:19] C83: Open Ruy Lopez: 9 c3 Be7.} Nd8 {[%emt 0:17:02]} 14. Nfd4 $1 {[%emt 0:10:30]} c5 {[%emt 0:10:14]} 15. Nxe6 {[%emt 0:00:08] White is better.} Nxe6 {[%emt 0:16:16]} 16. f3 {[%emt 0:01:16]} N4g5 {[%emt 0:01:02]} 17. h4 {[%emt 0:01:43]} Nf7 {[%emt 0:05:52]} 18. Bxf5 {[%emt 0:01:30][%cal Bc2f5,Bf5e6,Be6b3][%mdl 32]} Bxh4 {[%emt 0:08:15] [#]} ({Better is} 18... Kh8 $14) 19. Nxc5 $146 {[%emt 0:01:35][%mdl 512]} ({Predecessor:} 19. Re2 Be7 20. Be3 Rac8 21. Rd2 Rfd8 22. f4 Nh6 23. Bh3 g6 24. Rxd5 Qc6 25. Rd6 Rxd6 26. exd6 Qe4 {1-0 (26) Dominik,J-Flamberg,A Warsaw 1919 EXT 1999 [ChessBase]}) 19... Qa7 {[%emt 0:00:14]} 20. Bxe6 {[%emt 0:00:27]} Bxe1 {[%emt 0:01:14]} 21. Be3 {[%emt 0:00:47]} (21. Qxe1 Qxc5+ 22. Be3 Qc6 $11) (21. Qxd5 $6 Rad8 22. Bxf7+ Kh8 $14) 21... Bg3 {[%emt 0:07:44]} 22. Qxd5 {[%emt 0:06:12]} Rad8 {[%emt 0:00:37]} 23. Qe4 {[%emt 0:06:22]} Qe7 {[%emt 0:02:50] Against Nd7} 24. Bb3 $36 {[%emt 0:02:27][%mdl 2048] Strongly threatening Ne6. White is really pushing. The board is on fire. This bishop pair is nice.} Kh8 $2 {[%emt 0:13:29]} (24... Qxe5 25. Qxe5 Bxe5) 25. Ne6 $18 {[%emt 0:05:41] [#] Bc5 is the strong threat.} ({Weaker is} 25. Nxa6 Nxe5 26. Bc2 g6 $14) ({Less strong is} 25. Bc2 g6 26. Bb3 Ng5 $18) 25... Nxe5 {[%emt 0:00:03]} 26. Bc5 {[%emt 0:01:24] White is clearly winning.} ({Not} 26. Nxf8 Qxf8 27. Bc2 Ng6 $18) (26. Nxd8 Rxd8 27. a4 Qd7 $18) 26... Qf6 {[%emt 0:03:08][%cal Of6h6]} 27. Bxf8 {[%emt 0:00:42]} Rxf8 {[%emt 0:00:09]} 28. Nxf8 {[%emt 0:00:08] White took control after the opening.  Weighted Error Value: White=0.01 (flawless) /Black=0.37} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.6"]
[White "Cori Quispe, Kevin Joel"]
[Black "Diaz Villagran, Robert"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2492"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,69,14,13,3,0,33,42,53,41,45,46,87,83,86,77,512,158,167,180,155,159,213,227,228,185,188,162,235,231,232,220,365,364,414,406,721,714,772,772,779,775,737,624,720,693,690,692,688,674,650,705,1179,1151,1043,925,1374,1333]} 1. e4 {[%emt 0:03:33]} e6 {[%emt 0:00:16]} 2. d4 {[%emt 0:00:21]} d5 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:04]} Bb4 {[%emt 0:00:11]} 4. e5 {[%emt 0:00:06]} Ne7 {[%emt 0:00:05]} 5. a3 {[%emt 0:00:31]} Bxc3+ {[%emt 0:00:06]} 6. bxc3 {[%emt 0:00:04]} c5 {[%emt 0:00:05]} 7. Qg4 {[%emt 0:02:18]} Kf8 {[%emt 0:00:28]} 8. a4 {[%emt 0:08:06]} Qc7 {[%emt 0:02:41] C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} 9. Nf3 {[%emt 0:05:55] is the legacy move (9.Qd1).} b6 {[%emt 0:01:56]} 10. Bd3 {[%emt 0:14:09]} Ba6 {[%emt 0:08:37] White is slightly better.} 11. Ba3 {[%emt 0:03:06]} h6 {[%emt 0:08:24]} 12. O-O {[%emt 0:03:15][%cal Oc3c4] [#]} c4 $146 {[%emt 0:22:40]} ({Predecessor:} 12... Kg8 13. dxc5 bxc5 14. c4 Bxc4 15. Bxc4 dxc4 16. Qxc4 Nd7 17. Rfe1 Kh7 18. Qe4+ g6 {½-½ (45) Quesada Perez,Y (2614)-Dizdarevic,E (2475) Khanty-Mansiysk 2010}) 13. Be2 {[%emt 0:02:57] 0x0.00018dd7ffe2dp-1022s more active pieces.} Nbc6 {[%emt 0:00:13]} 14. Nh4 {[%emt 0:04:17]} g5 $2 {[%emt 0:01:31][%mdl 8192] [#]} (14... Kg8 $16 {is tougher.}) 15. Nf3 $2 {[%emt 0:00:33]} (15. f4 $1 $18 {[%cal Rf4f5] is the precise move to win.} gxh4 16. f5) 15... Ke8 {[%emt 0:00:10]} 16. Qh5 {[%emt 0:06:00][%cal Of3g5] And now Nxg5! would win.} Ng6 {[%emt 0:01:53] [#] Threatens to win with ...Nf4.} 17. g3 {[%emt 0:00:06] Prevents Nf4.} Qd8 {[%emt 0:04:40]} (17... Kd7 $16 {might work better.} 18. Ne1 Rag8) 18. Ne1 $18 {[%emt 0:10:01]} Nce7 {[%emt 0:06:28]} 19. Qh3 {[%emt 0:00:30]} Nf5 {[%emt 0:02:23][%cal Oh6h5] [#]} 20. Bh5 $1 {[%emt 0:00:11]} Kd7 {[%emt 0:02:01]} (20... Ng7 $142 21. Ng2 Nh4) 21. Ng2 {[%emt 0:00:32]} Kc6 {[%emt 0:06:36]} 22. f4 {[%emt 0:09:10][%cal Bf2f4,Bf4f5][%mdl 32] aiming for g4.} Rh7 {[%emt 0:04:59]} (22... Ng7 $142 23. fxg5 Nxh5) 23. g4 {[%emt 0:05:14]} Nfh4 {[%emt 0:03:57]} 24. f5 {[%emt 0:03:00]} Nf4 {[%emt 0:01:33]} (24... Qg8 $142 25. Bxg6 (25. fxg6 fxg6 26. Nxh4 gxh4 $18) 25... Nxg6 26. fxg6 Qxg6) 25. Nxf4 {[%emt 0:00:27][%cal Of5e6] White is clearly winning.} gxf4 {[%emt 0:00:08]} 26. fxe6 {[%emt 0:00:06]} fxe6 {[%emt 0:01:10]} 27. Rxf4 {[%emt 0:00:13]} Qg5 {[%emt 0:00:23]} 28. Bc1 {[%emt 0:00:36]} Rg7 {[%emt 0:00:25]} 29. Kh1 {[%emt 0:00:38]} Rag8 {[%emt 0:00:10][%cal Og5h5] ...Qxh5! is the strong threat.} 30. Rf1 {[%emt 0:01:26]} Qd8 {[%emt 0:01:57]} 31. Bxh6 {[%emt 0:00:11]} Rh7 {[%emt 0:00:17]} 32. Rf6 {[%emt 0:00:12][%cal Bf1f6,Bf6h6,Bh6e6][%mdl 32]} Rxh6 {[%emt 0:00:39]} 33. Rxh6 {[%emt 0:00:08]} Qg5 {[%emt 0:00:02] [#]} 34. Qxh4 $3 {[%emt 0:01:29][%mdl 512]} Qe3 {[%emt 0:00:51]} (34... Qxh4 35. Be8+) 35. Rxe6+ {[%emt 0:00:50] White took control after the opening.  Weighted Error Value: White=0.40/Black=0.62} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.7"]
[White "Tapie Amione, Pablo Adib"]
[Black "Fernandez Hernandez, Arturo A."]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2241"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,54,24,37,12,16,1,19,0,10,-64,-15,-14,0,-47,-37,-43,-46,-46,-46,-39,-41,-66,-68,-54,-53,-68,-64,-75,-66,-175,-163,-349,-336,-319,-200,-618,-601,-637,-609,-1961,-1947,-1533,-892,-1496,-1321]} 1. e4 {[%emt 0:06:44]} c5 {[%emt 0:00:39]} 2. Nf3 {[%emt 0:00:12]} e6 {[%emt 0:00:14]} 3. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:10]} Nc6 {[%emt 0:00:30]} 5. Nc3 {[%emt 0:00:06]} Qc7 {[%emt 0:00:11]} 6. Be3 {[%emt 0:01:17]} a6 {[%emt 0:00:18]} 7. g4 {[%emt 0:12:34] Nowadays more popular than 7.Qd2. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} b5 {[%emt 0:03:21]} 8. Nxc6 {[%emt 0:00:41]} Qxc6 {[%emt 0:00:20]} 9. Bg2 {[%emt 0:05:16] The position is equal.} Bb7 {[%emt 0:02:30][%cal Of8a3] [#]} 10. Qe2 $146 {[%emt 0:26:31]} (10. a3 $11) ({Predecessor:} 10. Qd2 Nf6 11. f3 Bc5 12. O-O-O O-O 13. g5 Nh5 14. Ne2 Rac8 15. Bxc5 Qxc5 16. Bh3 {½-½ (38) Korobov,A (2699)-Kulaots,K (2519) Sitges 2021}) 10... Ba3 {[%emt 0:07:56]} 11. Nd1 $11 {[%emt 0:02:06]} Bc5 {[%emt 0:00:15]} 12. a4 {[%emt 0:02:22]} (12. a3 $11 {was preferrable.}) 12... Ne7 $15 {[%emt 0:04:41]} 13. axb5 {[%emt 0:01:29]} axb5 {[%emt 0:00:04]} 14. Rxa8+ {[%emt 0:00:02]} Bxa8 {[%emt 0:00:01]} 15. O-O {[%emt 0:05:08]} O-O {[%emt 0:12:23]} 16. c4 {[%emt 0:05:19]} bxc4 {[%emt 0:06:40]} 17. Qxc4 {[%emt 0:00:14]} Bxe3 {[%emt 0:00:08]} 18. Nxe3 {[%emt 0:00:04]} Qb6 {[%emt 0:00:09]} 19. Rb1 {[%emt 0:02:04]} Ng6 {[%emt 0:05:08][%cal Be7g6,Bg6f4,Bf4e2][%mdl 32]} 20. Qc3 {[%emt 0:14:33]} ({White should play} 20. b4 $15) 20... Nf4 $19 {[%emt 0:01:49] White must now prevent ...Ne2+.} 21. Qe5 $2 {[%emt 0:00:08] [#]} (21. Qc4) 21... Ne2+ $1 {[%emt 0:00:29]} 22. Kh1 {[%emt 0:00:30]} d6 {[%emt 0:01:07]} 23. Nc4 {[%emt 0:00:27]} (23. Qg5) 23... Qxf2 {[%emt 0:01:35] Black is clearly winning.} ({Inferior is} 23... dxe5 24. Nxb6 Bc6 25. Rd1 $17) 24. Nxd6 {[%emt 0:04:08]} Nf4 {[%emt 0:04:47][%csl Gf4][%cal Rf2g2]} 25. Bf1 {[%emt 0:00:57]} Qf3+ {[%emt 0:02:13]} 26. Kg1 {[%emt 0:00:02]} Qe3+ {[%emt 0:00:14]} 27. Kh1 {[%emt 0:00:20]} f6 {[%emt 0:00:13] Weighted Error Value: White=0.86/Black=0.10 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.8"]
[White "Avila Rodriguez, Joshua Ad"]
[Black "Galaviz Medina, Sion Radamantys"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2182"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,102,56,54,51,54,56,72,29,39,46,40,0,110,-33,-34,-56,-37,-38,-35,-46,66,-12,-16,-106,-106,-133,-139,-145,-75,-62,-65,-167,-156,-165,-92,-87,-94,-73,-86,-239,-217,-216,-74,-74,-74,-68,0,-6,-7,0,0,-6,0,0,0,0,0,0,0,-69,-74,-77,-55,-47,-52,-277,-215,-830,-389,-1097,-377,-1688,-1634,-5165,-4133,-29964,-29961,-29971,-29972,-29974,-29973,-29971,-29972,-29986,-29987,-29994,-29995,-29995,-29996]} 1. e4 {[%emt 0:01:16]} c5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:34]} d6 {[%emt 0:00:01]} 3. d4 {[%emt 0:00:24]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:03]} 5. Nc3 {[%emt 0:00:06]} e6 {[%emt 0:00:05]} 6. g4 {[%emt 0:00:16]} h6 {[%emt 0:00:07]} 7. h4 {[%emt 0:00:17]} Be7 {[%emt 0:00:06]} 8. Qf3 {[%emt 0:01:06]} h5 {[%emt 0:04:45]} 9. gxh5 {[%emt 0:03:04] B81: Sicilian Scheveningen: Keres Attack.} Nxh5 {[%emt 0:08:44]} 10. Bg5 {[%emt 0:12:52]} a6 {[%emt 0:00:44]} 11. Bxe7 {[%emt 0:10:10] White is better.} Qxe7 {[%emt 0:00:06]} 12. O-O-O {[%emt 0:00:26] [#]} b5 $146 {[%emt 0:05:04]} ({Predecessor:} 12... Bd7 13. Bg2 Nc6 14. Nxc6 Bxc6 15. Nd5 Bxd5 16. exd5 e5 17. Qg4 g6 18. Qb4 Nf4 {0-1 (37) Ezeokoli,M-Al Khater,H Baguio City 1987}) 13. Bh3 {[%emt 0:27:14] Hoping for Rhe1.} Qf6 {[%emt 0:01:00] [#]} (13... Bb7 $11) 14. Qe3 {[%emt 0:02:48]} (14. Nf5 $1 $16 {[%cal Oe4e5][%mdl 512] aiming for e5!} exf5 15. exf5) 14... Qf4 $15 {[%emt 0:15:06]} 15. a4 {[%emt 0:08:10]} Qxe3+ {[%emt 0:03:57]} 16. fxe3 {[%emt 0:00:06]} bxa4 {[%emt 0:00:10][%cal Oa4a3]} (16... Ke7 {looks sharper.} 17. axb5 axb5 18. Ndxb5 Ra1+) 17. Nxa4 {[%emt 0:10:29] Nb6 is the strong threat.} Bb7 {[%emt 0:01:18]} (17... Nd7 $15) 18. Rhg1 {[%emt 0:06:59]} (18. Nb6 $14) 18... Nd7 $11 {[%emt 0:05:35]} 19. Nb3 {[%emt 0:03:01]} (19. Nxe6 $11 fxe6 20. Rxd6) 19... Ke7 $17 {[%emt 0:01:37]} (19... Bxe4 20. Nc3 Nhf6 21. Rxd6 $15) 20. Rd4 {[%emt 0:02:15]} Nhf6 {[%emt 0:03:06][%csl LRe4,LRh4]} 21. Bg2 {[%emt 0:00:18][%cal Oe4e5]} Rad8 {[%emt 0:04:20]} ({Much less strong is} 21... Rxh4 22. e5 Rxd4 23. exf6+ (23. Bxb7 Rxa4 24. exf6+ Kxf6 $16) 23... Nxf6 24. Bxb7 (24. Nxd4 Bxg2 25. Rxg2 Rg8 $16) 24... Rxa4 25. Bxa8 $16) (21... Rab8 $142 22. Na5 Ne5) 22. Na5 {[%emt 0:01:57]} Ba8 {[%emt 0:00:05]} 23. Rgd1 {[%emt 0:00:45]} ({Better is} 23. Nc4 $1 $15) 23... Ne5 {[%emt 0:00:15]} (23... Rxh4 24. Rxd6 Rh2 25. e5 Bxg2 26. exf6+ gxf6 27. Nc3 $15) 24. Nb6 {[%emt 0:01:04]} Nfg4 {[%emt 0:00:21]} (24... Rxh4 $19 {[%cal Ra8e4]} 25. Nac4 (25. Nxa8 $2 Rxa8 26. Rxd6 Rc8 $19) 25... Nxc4 26. Rxc4 Bxe4 27. Bxe4 Rxe4 28. Nc8+ Kf8 29. Rxd6 Rxd6 30. Nxd6 Rxe3) 25. Nac4 {[%emt 0:03:18]} Nxc4 {[%emt 0:01:03]} (25... Rxh4 {seems wilder.} 26. Nxd6 Rb8 27. Nbc4 g5) 26. Nxc4 {[%emt 0:00:07]} Rxh4 {[%emt 0:00:41]} 27. Rxd6 $2 {[%emt 0:03:00]} (27. R1d2 $17) 27... Rxd6 $19 {[%emt 0:00:11]} 28. Rxd6 {[%emt 0:00:08] [#]} Ne5 {[%emt 0:04:54]} 29. Rd4 $17 {[%emt 0:00:55]} Nxc4 {[%emt 0:01:25]} 30. Rxc4 {[%emt 0:00:02][%mdl 4096] Endgame KRB-KRB} Rh2 {[%emt 0:22:35]} (30... Kd7 $15) 31. Rc8 {[%emt 0:00:42]} Rxg2 {[%emt 0:00:07]} 32. Rxa8 $11 {[%emt 0:00:05] KR-KR} g5 {[%emt 0:00:56]} 33. e5 {[%emt 0:00:37]} Rf2 {[%emt 0:00:43]} 34. Rxa6 {[%emt 0:01:15]} Rf5 {[%emt 0:02:27]} 35. Ra4 {[%emt 0:00:08]} Rxe5 {[%emt 0:00:04]} 36. Kd2 {[%emt 0:00:04]} f5 {[%emt 0:00:04]} 37. Rd4 {[%emt 0:00:32]} (37. c4 $11) 37... Rb5 $15 {[%emt 0:00:28]} 38. b3 {[%emt 0:00:24]} e5 {[%emt 0:00:07]} 39. Ra4 {[%emt 0:00:10]} g4 {[%emt 0:01:58][%cal Bg5g4,Bg4g3][%mdl 32]} 40. Ra6 $2 {[%emt 0:00:23]} ({White should play} 40. Ra8 $15) 40... Rb8 $1 $19 {[%emt 0:01:06]} 41. Rc6 $2 {[%emt 0:01:49]} (41. Ke1) 41... Rh8 {[%emt 0:00:39]} (41... Rg8 $142 {Threatens to win with ...g3.} 42. Ke1 f4 43. exf4 exf4) 42. Ke1 $2 {[%emt 0:00:54]} (42. Kd3 Rg8 43. Ra6) 42... Rh2 $2 {[%emt 0:00:28]} (42... f4 43. Rg6 g3) 43. Kf1 $2 {[%emt 0:00:31] [#]} (43. Rg6 Rxc2 44. e4) 43... g3 $1 {[%emt 0:01:36]} 44. b4 {[%emt 0:01:00]} f4 {[%emt 0:00:20] ( -> ...f3)} 45. exf4 {[%emt 0:00:13]} exf4 {[%emt 0:00:32][%cal Be5f4,Bf4f3,Bf3f2][%mdl 32] Black mates.} 46. Rc3 {[%emt 0:00:40]} Ke6 {[%emt 0:03:31]} 47. b5 {[%emt 0:00:36]} Kf5 {[%emt 0:01:10]} 48. b6 {[%emt 0:00:20]} Kg4 {[%emt 0:00:15]} ({And not} 48... Rf2+ 49. Kg1 Rd2 50. b7 $11) 49. b7 {[%emt 0:00:42] [#]} f3 $1 {[%emt 0:00:09][%cal Rh2h1]} 50. Kg1 {[%emt 0:00:40]} f2+ {[%emt 0:00:05]} 51. Kf1 {[%emt 0:00:16]} Rh1+ {[%emt 0:00:04] Weighted Error Value: White=0.92/Black=0.35} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.9"]
[White "Montes Orozco, Miguel Angel"]
[Black "Diaz Rosas, Julio Cesar"]
[Result "1/2-1/2"]
[ECO "D97"]
[WhiteElo "1914"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,95,22,15,21,5,15,20,12,48,36,35,65,9,19,12,61,69,69,23,39,37,62,60,117,110,141,143,137,117,138,131,108,96,87,12,14,14,33,30,29,25,47,39,71,65,57,18,64,52,38,44,75,8,97,112,112,106,200,201,189,180,421,159,161,161,161,168,190,193,200,160,117,8,8,8,8,8,8,8,8,-5127,29980,29981]} 1. d4 {[%emt 0:01:43]} Nf6 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:11]} g6 {[%emt 0:00:06]} 3. Nf3 {[%emt 0:01:01]} Bg7 {[%emt 0:00:07]} 4. Nc3 {[%emt 0:00:05]} d5 {[%emt 0:00:07]} 5. Qb3 {[%emt 0:00:08]} dxc4 {[%emt 0:00:07]} 6. Qxc4 {[%emt 0:00:05]} O-O {[%emt 0:00:06]} 7. e4 {[%emt 0:00:10]} Nc6 {[%emt 0:00:07]} 8. Be2 {[%emt 0:00:16]} e5 $1 {[%emt 0:00:08][%cal Re5d4][%mdl 4] is currently scoring better than 8...Bg4. D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4.} 9. d5 {[%emt 0:00:39]} ({And not} 9. Nxe5 Nxd4 10. O-O {[#]} Nxe4 $1 {[%mdl 512]} 11. Nxe4 Be6 $17) 9... Nd4 {[%emt 0:00:04]} 10. Nxd4 {[%emt 0:02:22]} exd4 {[%emt 0:00:04] The position is equal.} 11. Qxd4 {[%emt 0:00:08]} c6 {[%emt 0:00:06][%cal Of6d5]} 12. Qc4 {[%emt 0:00:04]} b5 {[%emt 0:00:05]} 13. Qb3 {[%emt 0:08:16] [#]} (13. Qxc6 $14 Bd7 14. Qd6) 13... Re8 $146 {[%emt 0:12:09]} ({Predecessor:} 13... cxd5 14. exd5 Re8 15. O-O b4 16. Qxb4 Nxd5 17. Nxd5 Rxe2 18. Qc4 Re5 19. Nc7 Be6 20. Nxe6 Rxe6 {½-½ (46) Zubov,A (2608)-Baron,T (2506) Rishon Le Ziyyon 2015}) 14. O-O {[%emt 0:04:05]} b4 {[%emt 0:12:32]} (14... Nxe4 $11 15. Nxe4 Rxe4) 15. Qxb4 $14 {[%emt 0:02:46]} cxd5 {[%emt 0:00:16][%cal Rf6e4]} 16. Rd1 {[%emt 0:02:22]} (16. Bg5 $14) 16... a5 $11 {[%emt 0:03:37]} 17. Qc5 {[%emt 0:04:02]} Bb7 {[%emt 0:07:44]} 18. Bg5 {[%emt 0:09:06][%cal Re4d5]} d4 {[%emt 0:32:06]} (18... Qb8 $14) 19. Bb5 {[%emt 0:13:50]} Nd7 {[%emt 0:05:15]} 20. Bxd8 {[%emt 0:07:37] &Bianco is much more active.} Nxc5 {[%emt 0:00:14]} 21. Bxe8 {[%emt 0:00:10]} dxc3 {[%emt 0:00:07]} 22. bxc3 {[%emt 0:00:24]} Ne6 {[%emt 0:00:09] [#]} 23. Bxf7+ $1 {[%emt 0:00:08]} Kxf7 {[%emt 0:00:06] [#]} 24. Bxa5 {[%emt 0:00:06]} Bxe4 {[%emt 0:04:51]} 25. Bb4 {[%emt 0:00:17]} Ra7 {[%emt 0:02:01] Prevents Rd7+.} 26. f3 {[%emt 0:01:55]} Bc2 {[%emt 0:00:58]} 27. Rd2 {[%emt 0:06:40]} Ba4 {[%emt 0:01:53]} 28. Re1 {[%emt 0:01:19]} Bb5 {[%emt 0:02:45] This bishop pair is nice.} 29. a3 {[%emt 0:01:02][%cal Ba2a3,Ba3b4,Bb4b5][%mdl 32]} Bf6 {[%emt 0:05:32]} 30. g3 {[%emt 0:05:59]} Nc7 {[%emt 0:06:55]} (30... Rc7 $11 {deserves consideration.}) 31. c4 {[%emt 0:01:54]} Ba4 {[%emt 0:00:39]} 32. Kg2 {[%emt 0:01:24]} Na6 {[%emt 0:01:18]} 33. Re3 {[%emt 0:10:03]} ({White should try} 33. Re4 $16) 33... Nxb4 {[%emt 0:02:35]} (33... Rc7 $11 {remains equal.}) 34. axb4 $16 {[%emt 0:00:06]} Bd7 {[%emt 0:00:15]} 35. b5 {[%emt 0:02:27] b6 is the strong threat.} Be7 {[%emt 0:02:08]} (35... Bg5 $16 36. f4 Be7) 36. Re5 $18 {[%emt 0:01:57]} Rb7 {[%emt 0:00:36]} 37. g4 {[%emt 0:02:37]} Be6 $2 {[%emt 0:00:28]} (37... Bf6 38. Re4 Be7) 38. Rc2 $2 {[%emt 0:01:23]} (38. c5 $18) 38... Bd6 $16 {[%emt 0:00:26]} 39. Re4 {[%emt 0:00:36]} Bc5 {[%emt 0:00:13]} 40. Rce2 {[%emt 0:00:24]} Bc8 {[%emt 0:00:51]} 41. Re5 {[%emt 0:01:42]} Rc7 {[%emt 0:00:21]} 42. Ra2 {[%emt 0:01:06]} Bb7 {[%emt 0:00:35]} 43. Rxc5 {[%emt 0:00:26]} Rxc5 $11 {[%emt 0:00:16]} 44. Ra7 {[%emt 0:00:21]} Rc7 {[%emt 0:00:05][%cal Ob7f3] And now ...Bxf3+! would win.} 45. Kg3 {[%emt 0:00:31][%cal Oc4c5]} Re7 {[%emt 0:01:48]} 46. c5 {[%emt 0:09:37] Hoping for c6.} Bd5 {[%emt 0:00:30]} 47. Rb7 {[%emt 0:00:30][%mdl 8192]} Rd7 $4 {[%mdl 8192]} 48. Rxd7+ {[%mdl 32768] Weighted Error Value: White=0.40/Black=0.41. An unexpected result.} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.10"]
[White "Torres Rosas, Luis Carlos"]
[Black "Rascon Vega, Alfonso"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2356"]
[BlackElo "2107"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,70,27,34,38,39,35,43,52,46,0,31,0,18,3,31,0,0,0,0,-42,-28,-18,0,-7,8,9,91,0,0,0,0,0,13,0,-19,-46,20,0,47,-6,-1,-12,15,-1,21,18,16,16,63,55,67,32,101,102,99,82,83,89,109,29,34,29,107]} 1. e4 {[%emt 0:01:01]} e5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:09]} 3. Bc4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:15]} 4. d3 {[%emt 0:01:04]} h6 {[%emt 0:00:54]} 5. c3 {[%emt 0:02:10]} d6 {[%emt 0:00:21]} 6. a4 {[%emt 0:00:29][%cal Ba2a4,Ba4a5][%mdl 32] C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} g6 {[%emt 0:00:12]} 7. O-O {[%emt 0:04:29]} Bg7 {[%emt 0:00:30]} 8. a5 {[%emt 0:03:28] White is slightly better.} a6 {[%emt 0:00:09]} 9. b4 {[%emt 0:04:52]} (9. Re1 $14) 9... O-O {[%emt 0:00:27]} 10. Qb3 {[%emt 0:00:16]} Ne7 {[%emt 0:02:22][%cal Bc6e7,Be7g6,Bg6f4][%mdl 32]} 11. Re1 {[%emt 0:00:43] [#]} c6 $146 {[%emt 0:00:20] [#] And now ...d5 would win.} ({Predecessor:} 11... g5 12. Nbd2 Ng6 13. Nf1 g4 14. N3d2 Nf4 15. Ne3 h5 16. d4 Nh7 17. dxe5 Bxe5 {½-½ (38) Sidhant,M (2344)-Indjic,A (2630) Caleta 2019}) 12. Qa2 {[%emt 0:02:13]} g5 {[%emt 0:04:38][%cal Bg6g5,Bg5g4][%mdl 32]} 13. Bb3 {[%emt 0:09:06]} Ng6 {[%emt 0:00:53]} 14. Na3 {[%emt 0:04:13][%cal Bb1a3,Ba3c4,Bc4b6,Bb6c8][%mdl 32]} g4 {[%emt 0:02:32]} 15. Nd2 {[%emt 0:00:10]} Nf4 {[%emt 0:01:42]} 16. Qc2 {[%emt 0:02:35]} Nh7 {[%emt 0:05:56]} 17. Nac4 {[%emt 0:02:08]} Qf6 {[%emt 0:08:43]} (17... Be6 $11) 18. Nf1 {[%emt 0:11:48]} (18. Nb6 $16 Rb8 19. Nxc8 Rbxc8 20. Nc4) 18... Ng5 $11 {[%emt 0:05:15]} 19. Bxf4 {[%emt 0:01:10]} exf4 {[%emt 0:00:17]} 20. d4 {[%emt 0:00:06]} Qg6 {[%emt 0:02:27]} 21. Nb6 {[%emt 0:01:29]} Rb8 {[%emt 0:02:39]} 22. Kh1 {[%emt 0:07:35][%cal Bg1h1,Bh1g2,Bg2f3][%mdl 32]} h5 {[%emt 0:02:33]} (22... Re8 $1 $15) 23. Nd2 $36 {[%emt 0:06:55][%mdl 2048] White has the initiative.} h4 {[%emt 0:09:25]} 24. f3 {[%emt 0:07:52]} (24. Nxc8 $14 Rbxc8 25. Qd1) 24... h3 {[%emt 0:06:19]} 25. Nxc8 {[%emt 0:07:04] Pair of Knights!} (25. Re2 {is interesting.} g3 26. Nxc8 Rbxc8 27. e5) 25... hxg2+ {[%emt 0:00:21]} 26. Kxg2 {[%emt 0:00:08] [#] aiming for Ne7+.} gxf3+ {[%emt 0:00:47]} 27. Nxf3 {[%emt 0:03:39]} Nxf3+ {[%emt 0:01:46]} 28. Kxf3 {[%emt 0:00:06] Ne7+ is the strong threat. Really sharp!} Qh5+ {[%emt 0:00:41]} (28... Rbxc8 $11 {should be considered.} 29. Qg2 Qh7) 29. Kg2 $14 {[%emt 0:00:07]} Rbxc8 {[%emt 0:00:16]} 30. Qe2 {[%emt 0:00:43]} (30. Qd1 $5 {[%cal Rd1h5]} Qh4 31. Kh1 $16) 30... Qh6 {[%emt 0:02:33]} (30... Qxe2+ $1 $14 31. Rxe2 c5) 31. Rad1 $16 {[%emt 0:00:48] Active counter play!} ({Resist} 31. Qg4 c5 $14) 31... c5 {[%emt 0:01:18]} 32. Qf3 {[%emt 0:07:02]} cxd4 {[%emt 0:00:19]} 33. cxd4 {[%emt 0:00:01]} Rc7 {[%emt 0:00:40]} 34. e5 {[%emt 0:01:21]} (34. Rf1 $16) 34... dxe5 $11 {[%emt 0:00:47]} 35. dxe5 {[%emt 0:00:01]} Rc6 {[%emt 0:03:45] Weighted Error Value: White=0.21 (precise) /Black=0.21 (precise)} (35... Re7 $11 {keeps the balance.}) 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.11"]
[White "Benitez Lozano, Javier"]
[Black "Gonzalez Arroyo, Lenin"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2309"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,80,18,38,46,43,19,80,2,59,25,33,5,38,14,9,18,22,16,24,-11,15,0,24,1,108,96,97,70,64,75,58,58,74,73,95,70,149,89,102,92,93,50,50,57,72,-62,-16,-16,-12,-38,-31,-62,-46,-157,-146,-240,-229,-235,-217,-315,-269,-536,-485,-29985,-29986,-29986,-29987,-29989,-29990,-29992,-29992]} 1. c4 {[%emt 0:00:45]} e5 {[%emt 0:00:56]} 2. Nc3 {[%emt 0:01:00]} Nc6 {[%emt 0:01:16]} 3. Nf3 {[%emt 0:00:35]} g6 {[%emt 0:03:37]} 4. e3 {[%emt 0:08:49]} Bg7 {[%emt 0:01:48]} 5. d4 {[%emt 0:03:58]} d6 {[%emt 0:01:26]} 6. Be2 {[%emt 0:04:25]} Nge7 {[%emt 0:01:03]} 7. d5 {[%emt 0:05:48] A25: English Opening vs King's Indian with ...Nc6 but without early d3.} Nb8 {[%emt 0:00:25][%cal Bc6b8,Bb8a6,Ba6c5][%mdl 32]} 8. h4 {[%emt 0:03:48] [#]} h5 $146 {[%emt 0:01:25]} (8... h6 $11) ({Predecessor:} 8... h6 9. h5 g5 10. Nd2 f5 11. e4 O-O 12. g4 fxg4 13. Bxg4 Bxg4 14. Qxg4 Rf4 {1-0 (60) Reinderman,D (2573)-L'Ami,E (2610) Dieren 2017}) 9. b3 {[%emt 0:05:12]} (9. e4 $16) 9... a5 {[%emt 0:13:04]} (9... e4 $11 10. Nd4 c5) 10. Bb2 {[%emt 0:01:45]} Na6 {[%emt 0:03:37]} 11. Ng5 {[%emt 0:04:58]} Nc5 {[%emt 0:02:37]} 12. Qc2 {[%emt 0:04:50]} (12. a3 $5 {[%cal Rb3b4]}) 12... Nf5 {[%emt 0:01:34][%cal Of5h4]} 13. g3 {[%emt 0:01:37]} Qe7 {[%emt 0:04:01]} 14. Bf3 {[%emt 0:14:02]} Bd7 {[%emt 0:04:19]} 15. Nb5 {[%emt 0:03:46]} Na6 {[%emt 0:17:34]} 16. a3 {[%emt 0:07:42]} Rc8 {[%emt 0:01:51]} 17. Rd1 {[%emt 0:06:42]} Bxb5 {[%emt 0:04:05]} (17... O-O $11 {remains equal.}) 18. cxb5 $16 {[%emt 0:00:21]} Nc5 {[%emt 0:00:19]} 19. b4 {[%emt 0:07:27]} axb4 {[%emt 0:00:34]} 20. axb4 {[%emt 0:00:03]} Nd7 {[%emt 0:01:37]} 21. Ra1 {[%emt 0:01:03]} Nb6 {[%emt 0:05:15]} 22. Ra7 {[%emt 0:01:58]} Rb8 {[%emt 0:05:52]} 23. O-O {[%emt 0:05:26][%cal Oa7b7]} O-O {[%emt 0:00:30] [#]} (23... Bh6 $1 $14) 24. Rc1 {[%emt 0:04:21]} (24. Bxh5 $142 $1 {[%mdl 512]} Nxd5 (24... Bh6 25. Bf3) 25. Qb3 $1) 24... Rfc8 {[%emt 0:00:17] [#]} 25. Bxh5 $1 {[%emt 0:00:51][%mdl 512] Bg4 is the strong threat.} Bh6 {[%emt 0:00:52]} (25... Bf6 26. Bf3) 26. Bg4 {[%emt 0:01:44]} Bxg5 {[%emt 0:01:09]} 27. hxg5 {[%emt 0:00:30]} ({Much weaker is} 27. Bxf5 gxf5 28. hxg5 Qxg5 $15) 27... Qxg5 {[%emt 0:00:12] [#]} 28. Bxf5 {[%emt 0:00:32]} ({White should play} 28. Bf3 $1 $16) 28... Qxf5 {[%emt 0:01:35]} (28... gxf5 $15 {should be considered.} 29. e4 fxe4 30. Qxe4 Qd2) 29. e4 $1 $11 {[%emt 0:00:29]} ({But not} 29. Qxf5 gxf5 30. Rd1 Kf8 $17) 29... Qh3 {[%emt 0:02:46]} 30. Qd3 {[%emt 0:00:21]} Kg7 {[%emt 0:02:34]} 31. Qf3 {[%emt 0:00:29]} Qd7 $1 {[%emt 0:00:35]} 32. Ra5 {[%emt 0:00:41]} ({White should try} 32. Bc3 $15) 32... Rh8 $17 {[%emt 0:00:40][%cal Bc8h8,Bh8h5,Bh5h1][%mdl 32]} 33. Rc3 {[%emt 0:00:30]} (33. Ra3 $17) 33... Rh5 {[%emt 0:00:36]} 34. Bc1 {[%emt 0:00:27]} Rbh8 {[%emt 0:00:15][%cal Oh5h1] aiming for ...Rh1+!} 35. Kf1 {[%emt 0:00:30]} (35. Be3 $142) 35... Na4 {[%emt 0:03:39]} 36. Rc2 {[%emt 0:00:33]} (36. Rc4) 36... b6 $19 {[%emt 0:00:13]} 37. Ra7 {[%emt 0:00:29]} (37. Rxa4 $19 Qxb5+ 38. Ke1 Qxa4 39. Rxc7 Rh1+ 40. Kd2 Qa2+ 41. Rc2) 37... Rh1+ {[%emt 0:00:43] Black mates.} 38. Ke2 {[%emt 0:00:11]} Qxb5+ {[%emt 0:00:08]} 39. Kd2 {[%emt 0:00:45]} Qxb4+ {[%emt 0:00:11]} 40. Kd3 {[%emt 0:00:32]} Qb3+ {[%emt 0:15:20] Weighted Error Value: White=0.63/Black=0.21 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.12"]
[White "Palma Villanueva, Miguel Ta"]
[Black "Figueredo Losada, Leonel"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2210"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,82,0,-3,28,-8,-18,-27,-19,-46,-44,-32,-33,-46,-20,-46,-46,-46,-47,-88,-89,-120,-102,-115,-103,-153,-127,-129,-130,-132,-125,-229,-199,-201,-187,-172,-171,-211,-198,-179,-174,-298,-298,-287,-284,-285,-241,-337,-331,-445,-452,-427,-363,-531,-541,-775,-741,-888,-850,-1043,-1004,-977,-987,-982,-971,-5177,-4606,-1797,-1509]} 1. e4 {[%emt 0:00:05]} e5 {[%emt 0:00:43]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:04]} 3. Bb5 {[%emt 0:00:04]} a6 {[%emt 0:00:36]} 4. Ba4 {[%emt 0:00:19]} Nf6 {[%emt 0:00:27]} 5. d3 {[%emt 0:00:25]} d6 {[%emt 0:00:09]} 6. c4 {[%emt 0:01:53]} g6 {[%emt 0:00:06]} 7. O-O {[%emt 1:31:09]} Bg7 {[%emt 0:00:02]} 8. h3 {[%emt 0:00:00]} O-O {[%emt 0:00:05]} 9. Nc3 {[%emt 0:00:00]} Nd7 {[%emt 0:01:22] C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 10. Be3 {[%emt 0:00:00]} (10. Bg5 $5 {[%cal Rg5d8]} f6 11. Be3 $11) 10... Nd4 {[%emt 0:17:27]} 11. Bxd7 {[%emt 0:00:00] [#]} Bxd7 $146 {[%emt 0:02:18] Black has an edge.} ({Predecessor:} 11... Nxf3+ 12. Qxf3 Bxd7 13. Qg3 h6 14. Rad1 Be6 15. Nd5 c6 16. Bb6 Qd7 17. Nc7 Rac8 18. Nxe6 Qxe6 {½-½ (36) Matinian,N (2475)-Vdovin,V (2377) Moscow 2015}) 12. Bxd4 {[%emt 0:00:00]} exd4 {[%emt 0:00:04]} 13. Ne2 {[%emt 0:00:00]} c5 {[%emt 0:00:52]} 14. Nf4 {[%emt 0:00:00]} b5 {[%emt 0:00:11]} 15. Re1 {[%emt 0:00:00]} bxc4 {[%emt 0:05:17]} 16. dxc4 {[%emt 0:00:00]} Rb8 {[%emt 0:00:03]} 17. Nd3 {[%emt 0:00:00]} Re8 {[%emt 0:02:33] White is now going downhill.} 18. Qc2 {[%emt 0:00:00]} Bc6 {[%emt 0:11:25]} 19. Nf4 {[%emt 0:00:00]} Qa5 {[%emt 0:02:41]} 20. Re2 {[%emt 0:00:00]} ({White should play} 20. Nd5) 20... Rxb2 {[%emt 0:17:05]} 21. Qxb2 {[%emt 0:00:00] aiming for Nd3.} d3 $1 {[%emt 0:00:05][%mdl 64] [#] Discovered Attack} 22. Qd2 {[%emt 0:00:00]} Qxd2 {[%emt 0:00:18] &Nero is more active.} 23. Nxd2 {[%emt 0:00:00]} (23. Rxd2 $17 Bxa1 24. Rxd3) 23... dxe2 $19 {[%emt 0:00:40]} ({Weaker is} 23... Bxa1 24. Nxd3 Bc3 25. f3 $17) 24. Re1 {[%emt 0:00:00]} f5 {[%emt 0:04:12]} 25. Rxe2 {[%emt 0:00:44]} fxe4 {[%emt 0:00:12]} 26. Nd5 {[%emt 0:03:55]} Bxd5 {[%emt 0:00:14]} 27. cxd5 {[%emt 0:00:01][%mdl 4096] Endgame KRB-KRN} Re5 {[%emt 0:00:06]} 28. Rxe4 {[%emt 0:00:08]} (28. Nxe4 {is a better defense.} Rxd5 29. Kf1) 28... Rxd5 {[%emt 0:00:05]} 29. Nc4 {[%emt 0:00:06]} Rd1+ {[%emt 0:00:50]} 30. Kh2 {[%emt 0:00:02]} Kf7 {[%emt 0:01:00]} 31. Re3 {[%emt 0:02:53]} Rd4 {[%emt 0:02:04]} 32. Na5 {[%emt 0:01:22]} Bf6 {[%emt 0:01:57]} ({But not} 32... Ra4 $2 33. Nc6 $19) 33. Ra3 {[%emt 0:01:37]} c4 {[%emt 0:01:27] Prevents Nb3. Threatens to win with ...d5.} 34. Rf3 {[%emt 0:01:13]} (34. Kg3 $142) 34... d5 {[%emt 0:00:55][%cal Bd6d5,Bd5d4,Bd4d3][%mdl 32] Black is clearly winning.} 35. Nc6 {[%emt 0:00:44]} Re4 {[%emt 0:00:04]} 36. Nb4 {[%emt 0:00:14]} Ke6 {[%emt 0:01:15]} 37. Ra3 {[%emt 0:00:24]} Be7 {[%emt 0:03:47]} 38. Rxa6+ {[%emt 0:00:21]} Bd6+ {[%emt 0:00:02]} 39. g3 {[%emt 0:00:07]} d4 {[%emt 0:00:28] [#] Hoping for ...d3.} 40. Ra4 {[%emt 0:02:01]} Bxb4 {[%emt 0:00:24]} 41. Rxb4 {[%emt 0:00:05]} d3 {[%emt 0:00:03] Weighted Error Value: White=0.79/Black=0.07 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.13"]
[White "Garcia Guerrero, Isaac Antonio"]
[Black "Hernandez Jimenez, Alexander Andres"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2338"]
[BlackElo "2167"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,65,26,4,10,9,8,12,45,6,30,20,33,30,57,30,43,13,6,11,12,0,0,0,10,12,25,25,75,26,114,90,87,87,92,90,93,89,195,181,181,181,170,152,160,169,171,172,154,144,287,287,444,444,411,378,1079,126]} 1. c4 {[%emt 0:00:01]} Nf6 {[%emt 0:05:38]} 2. g3 {[%emt 0:00:15]} e5 {[%emt 0:01:56]} 3. Bg2 {[%emt 0:00:22]} d5 {[%emt 0:00:07]} 4. cxd5 {[%emt 0:00:37]} Nxd5 {[%emt 0:00:11]} 5. Nc3 {[%emt 0:00:14]} Nb6 {[%emt 0:01:21]} 6. e3 {[%emt 0:00:10]} Be7 {[%emt 0:03:03] A22: English Opening: 1...e5 2 Nc3 Nf6.} 7. Nge2 {[%emt 0:00:24]} O-O {[%emt 0:04:51]} 8. O-O {[%emt 0:01:38]} c6 {[%emt 0:02:01] The position is equal.} (8... Nc6 {keeps more tension.} 9. f4 f6 10. d4 Bg4) 9. f4 {[%emt 0:00:59]} exf4 {[%emt 0:03:50]} 10. Nxf4 {[%emt 0:00:56]} N8d7 {[%emt 0:01:10]} 11. b3 {[%emt 0:01:57]} Nc5 {[%emt 0:03:57]} 12. Bb2 {[%emt 0:06:49]} Ne6 {[%emt 0:04:07] [#]} 13. Nce2 $146 {[%emt 0:19:51]} ({Predecessor:} 13. Nh5 g6 14. Nf4 Bf6 15. Qc2 Nxf4 16. Rxf4 Be5 17. Rff1 Be6 18. Rad1 Bf5 19. Rxf5 gxf5 {1-0 (42) Lei,T (2449)-Li,X (2226) Xinghua 2015}) 13... Nxf4 {[%emt 0:16:17]} 14. Nxf4 {[%emt 0:00:53]} Bf6 {[%emt 0:01:08]} 15. d4 {[%emt 0:03:46]} Nd5 {[%emt 0:04:00]} 16. Qd3 {[%emt 0:10:24]} Nxf4 {[%emt 0:06:59]} 17. Rxf4 {[%emt 0:02:14]} Bg5 {[%emt 0:01:05]} 18. Rf2 $36 {[%emt 0:01:53][%mdl 2048] White has good play.} f5 {[%emt 0:00:39]} (18... Be6 $11) 19. Raf1 {[%emt 0:15:39]} ({White should try} 19. d5 $16) 19... Bf6 {[%emt 0:07:03]} (19... Re8 $11 {keeps the balance.}) 20. e4 {[%emt 0:02:14]} fxe4 {[%emt 0:06:12]} 21. Bxe4 {[%emt 0:01:13]} Bh3 {[%emt 0:00:53]} 22. Bxh7+ {[%emt 0:08:26]} Kh8 {[%emt 0:00:01]} 23. Re1 {[%emt 0:00:55] [#] And now Bg6 would win.} c5 {[%emt 0:12:06]} (23... Qa5 $16 24. Bc3 Qb5) 24. Be4 {[%emt 0:05:20]} ({Not} 24. dxc5 $2 Bxb2 25. Qxd8 (25. Rxb2 $2 Qf6 $19) 25... Raxd8 26. Rxb2 Kxh7 $19) 24... Bxd4 {[%emt 0:01:51]} 25. Bxd4 {[%emt 0:00:13]} Qxd4 {[%emt 0:00:21]} 26. Qxd4 {[%emt 0:00:34]} cxd4 {[%emt 0:00:03]} 27. Bxb7 {[%emt 0:00:53] &Bianco is more active.} Rxf2 {[%emt 0:00:45]} 28. Kxf2 $18 {[%emt 0:00:29] KRB-KRB} Rf8+ {[%emt 0:00:18]} 29. Ke2 {[%emt 0:03:01]} Bg4+ {[%emt 0:02:01]} (29... Bf5 $16 {was worth a try.} 30. Kd2 Bg6) 30. Kd3 {[%emt 0:00:09]} Rf2 {[%emt 0:00:10]} (30... g6 {keeps fighting.} 31. Re5 Kg7) 31. Re8+ {[%emt 0:00:44]} Kh7 {[%emt 0:00:02]} 32. Be4+ {[%emt 0:00:11]} Kh6 $2 {[%emt 0:03:13] [#]} (32... Bf5 33. Bxf5+ (33. Kxd4 Bxe4 34. Rxe4 Rxa2 $16) 33... Rxf5) 33. Rh8+ {[%emt 0:00:35] Weighted Error Value: White=0.09 (flawless) /Black=0.31} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.14"]
[White "Sandoval Mercado, Carlos"]
[Black "Luna Javier, Edgar Froylan"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "2289"]
[BlackElo "2148"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,97,11,4,18,22,0,7,0,0,0,0,-6,0,-3,0,0,-2,-4,0,0,31,33,34,31,32,20,237,242,295,303,622,615,906,926,1066,976,1477,1523,5094,2455,29980,29981,29981,29982,29995,1253,1550,480,29990,869,29994,29995,29995,2617,29996,1074,940,940,879,644,644,644,637,581,1887,1561,1073,637,608,0,1137,637,629,629,622,622,622,622,622,622,600,531,525,512]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:04:41]} 2. c4 {[%emt 0:00:10]} g6 {[%emt 0:00:15]} 3. Nf3 {[%emt 0:00:28]} Bg7 {[%emt 0:00:12]} 4. g3 {[%emt 0:00:05]} O-O {[%emt 0:00:15]} 5. Bg2 {[%emt 0:00:03]} c6 {[%emt 0:01:49]} 6. O-O {[%emt 0:00:06]} d5 {[%emt 0:00:09]} 7. cxd5 {[%emt 0:00:05]} cxd5 {[%emt 0:00:05]} 8. Ne5 {[%emt 0:00:03]} Nfd7 {[%emt 0:00:41]} 9. f4 {[%emt 0:11:07] D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} Nxe5 {[%emt 0:02:12]} 10. fxe5 {[%emt 0:03:12]} Nc6 {[%emt 0:04:10]} 11. Nc3 {[%emt 0:01:01] The position is equal.} Be6 {[%emt 0:03:07]} 12. Kh1 {[%emt 0:14:18]} Qd7 {[%emt 0:04:29] [#]} 13. Bf4 $146 {[%emt 0:15:56]} ({Predecessor:} 13. Qa4 Bh3 14. Bxh3 Qxh3 15. Bf4 Rad8 16. Rad1 f6 17. e6 Qxe6 {½-½ (17) Turov,M (2553)-Galkin,A (2584) Elista 2001}) 13... Rfd8 {[%emt 0:05:06]} 14. Qd2 {[%emt 0:06:57]} Rac8 {[%emt 0:04:29]} (14... Bh3 {keeps more tension.} 15. Bh6 Bxg2+ 16. Kxg2 Rf8) 15. Rad1 {[%emt 0:02:06]} Bh3 {[%emt 0:03:05]} 16. Bh6 {[%emt 0:03:23]} Bxg2+ {[%emt 0:06:41]} 17. Kxg2 {[%emt 0:02:48]} Bh8 {[%emt 0:00:53][%cal Ob7b5]} 18. Rf2 {[%emt 0:17:16]} f6 {[%emt 0:07:02]} 19. Qf4 {[%emt 0:00:02]} Qe6 {[%emt 0:16:59][%cal Rf6e5]} 20. Rdf1 {[%emt 0:00:03]} g5 $2 {[%emt 0:02:41] Black is on the road to losing.} (20... Na5 $11 {and Black has nothing to worry.}) 21. Qd2 $40 {[%emt 0:04:26][%mdl 128] Black is in trouble.} Nb8 {[%emt 0:22:10]} 22. Rf5 {[%emt 0:06:24]} b5 $2 {[%emt 0:05:38]} (22... Nd7 23. exf6 Bxf6 24. Rxg5+ (24. Rxd5 Nb6 $16) 24... Bxg5 25. Qxg5+ Qg6) 23. Qe3 $18 {[%emt 0:04:35][%cal Oe5f6]} Qc6 {[%emt 0:03:17]} 24. h4 {[%emt 0:03:01]} gxh4 {[%emt 0:00:35]} 25. e6 {[%emt 0:02:24][%cal Of5g5]} h3+ {[%emt 0:01:20]} 26. Kxh3 {[%emt 0:00:10][%cal Of5g5] [#] Rg5+! would kill now.} Bg7 {[%emt 0:00:47]} 27. Bxg7 {[%emt 0:01:04][%cal Of1f4]} Kxg7 {[%emt 0:00:01]} 28. Rh5 {[%emt 0:00:05]} Kh8 {[%emt 0:00:59]} 29. Kg2 {[%emt 0:01:41]} Qe8 {[%emt 0:00:39] [#]} 30. Qh6 {[%emt 0:02:28]} (30. Rxh7+ $142 $3 {[%mdl 512]} Kxh7 31. Rh1+ Kg8 32. Qh6 Qh5 33. Rxh5 Rf8 34. Qh8#) 30... Qg8 {[%emt 0:00:29]} 31. Nxd5 {[%emt 0:00:00]} (31. Rfh1 $142 {White wants to mate with R1h4.} Nc6 32. Nxd5 Rxd5 33. Rxd5) 31... Nc6 {[%emt 0:00:30]} (31... Rxd5 $18 32. Rxd5 Qxe6) 32. Rfh1 {[%emt 0:00:14]} (32. Nf4 $142 Rd5 33. Ng6+ Qxg6 34. Qxg6 Rxh5 35. Qxh5 Rg8 36. Rh1 Rg7 37. d5) 32... Qg7 {[%emt 0:00:31]} 33. Qxh7+ {[%emt 0:00:37]} Qxh7 {[%emt 0:00:02]} 34. Rxh7+ {[%emt 0:00:04]} Kg8 {[%emt 0:00:03]} 35. Nxe7+ {[%emt 0:00:25]} (35. Nf4 $142 f5 36. R1h6 Rxd4 37. Rh8+ Kg7 38. Nh5#) 35... Nxe7 {[%emt 0:00:08]} 36. Rxe7 {[%emt 0:00:02] Strongly threatening Rhh7.} Rxd4 {[%emt 0:00:52][%mdl 4096] Endgame KRR-KRR} 37. Rhh7 {[%emt 0:00:15] White threatens Reg7+ and mate.} Rg4 {[%emt 0:01:03] Prevents Reg7+.} 38. Rxa7 {[%emt 0:00:01]} Re8 {[%emt 0:00:19]} 39. Rhe7 {[%emt 0:00:57][%cal Re7e8]} Rc8 {[%emt 0:00:21]} 40. Rab7 {[%emt 0:00:22]} Rg5 {[%emt 0:00:17]} 41. Red7 {[%emt 0:00:33]} Re8 {[%emt 0:00:32]} 42. Re7 {[%emt 0:00:22][%cal Re7e8]} Rc8 {[%emt 0:00:25]} 43. Rf7 {[%emt 0:00:19] White is clearly winning.} Rf8 {[%emt 0:00:40]} 44. Rxf8+ {[%emt 0:00:44]} Kxf8 {[%emt 0:00:02]} 45. Rf7+ {[%emt 0:00:17]} Ke8 {[%emt 0:00:09]} 46. Rxf6 {[%emt 0:00:03]} Ke7 {[%emt 0:00:05]} 47. Rf4 {[%emt 0:01:31]} Kxe6 {[%emt 0:00:15]} 48. g4 {[%emt 0:00:04]} Rc5 {[%emt 0:00:10]} 49. Rf5 {[%emt 0:02:40] Weighted Error Value: White=0.71/Black=1.05} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.15"]
[White "Morales Garcia, Sergio Joshafatt"]
[Black "Davalos Prieto, Abel Justo"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2246"]
[BlackElo "2103"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,118,17,29,14,46,32,48,33,44,39,35,53,59,68,308,82,72,43,39,32,32,38,26,31,61,64,63,58,67,58,86,58,85,54,62,64,82,62,67,50,80,81,73,72,93,85,91,93,94,79,79,0,95,96,103,102,104,101,111,106,116,116,112,98,139,139,191,129,160,153,146,146,178,166,166,166,189,179,229,224,215,221,214,180,191,149,192,132,671,671,611,604,528,665,651,664,654,620,580,291,1901,1787,29987]} 1. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:12]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:34]} 3. Nc3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:29]} 4. Nf3 {[%emt 0:00:04]} Be7 {[%emt 0:00:27]} 5. Bf4 {[%emt 0:00:40]} O-O {[%emt 0:00:26]} 6. e3 {[%emt 0:00:06]} c5 {[%emt 0:00:26]} 7. dxc5 {[%emt 0:00:37]} Bxc5 {[%emt 0:00:22]} 8. Qc2 {[%emt 0:00:42]} Nc6 {[%emt 0:00:41]} 9. a3 {[%emt 0:00:08] 9.Rd1 is the fancy move.} Qa5 {[%emt 0:04:08]} 10. Be2 {[%emt 0:14:41] D37: Queen's Gambit Declined: 5 Bf4.} Ne4 {[%emt 0:02:36]} 11. cxd5 {[%emt 0:01:05]} exd5 {[%emt 0:00:34][%cal Od5d4]} 12. O-O {[%emt 0:00:50][%csl LRd5,LRe4] White is slightly better.} Nxc3 {[%emt 0:00:16]} 13. bxc3 {[%emt 0:00:19]} h6 {[%emt 0:07:31]} 14. Rfd1 {[%emt 0:07:13] [#]} Be6 $146 {[%emt 0:00:40]} ({Predecessor:} 14... Rd8 15. Nd4 Bd6 16. Bxd6 Rxd6 17. Rab1 Rd8 18. Qb3 Qc7 19. Bf3 Ne7 20. a4 b6 {1-0 (39) Rychagov,A (2545)-Vantika,A (2286) Chess.com INT 2021}) 15. Rab1 {[%emt 0:01:14]} Qd8 $2 {[%emt 0:10:28] [#]} ({Better is} 15... Rac8 $14) 16. Rxb7 $2 {[%emt 0:02:30]} (16. c4 $1 $18 {[%cal Rc4d5] is the precise move to win. Strongly threatening cxd5.} d4 17. exd4 (17. Rxb7 Qf6 $16)) 16... Bb6 $16 {[%emt 0:00:54]} 17. Nd4 {[%emt 0:18:30]} (17. c4 $5 {[%cal Rc4d5]} Rc8 18. Qa4 $16) 17... Na5 {[%emt 0:14:10] [#]} 18. Nxe6 $1 {[%emt 0:00:55]} fxe6 {[%emt 0:00:13]} 19. Ba6 {[%emt 0:03:35]} ({Avoid the trap} 19. Qg6 $2 Nxb7 20. Qxe6+ Kh8 21. Rxd5 Qe8 22. Qxe8 Rfxe8 $19) 19... Nxb7 {[%emt 0:03:03]} 20. Bxb7 {[%emt 0:00:21] This bishop pair is nice.} Rb8 {[%emt 0:00:07]} 21. Bxb8 {[%emt 0:00:41]} Qxb8 {[%emt 0:00:07]} 22. Ba6 {[%emt 0:04:27]} Qe5 {[%emt 0:02:30][%cal Of8f2] White must now prevent ...Rxf2!} 23. Qd3 {[%emt 0:05:10]} ({Much worse is} 23. g3 Bxe3 24. fxe3 Qxe3+ 25. Kh1 Qf3+ 26. Kg1 Qe3+ 27. Kh1 Qf3+ 28. Kg1 Qe3+ $11) 23... Rd8 {[%emt 0:12:36]} 24. Qg6 {[%emt 0:06:24]} Qf6 {[%emt 0:00:36]} 25. Qg4 {[%emt 0:05:27]} Rf8 {[%emt 0:02:48]} 26. Rf1 {[%emt 0:01:22] Active counter play!} Qf5 {[%emt 0:01:44]} 27. Qxf5 {[%emt 0:09:56]} (27. Qb4 {seems wilder.} Qe5 28. g3 h5 29. a4) 27... Rxf5 {[%emt 0:00:10][%mdl 4096] Endgame KRB-KRB} 28. Rc1 {[%emt 0:01:10][%cal Bf1c1,Bc1c4,Bc4g4][%mdl 32]} Kf7 {[%emt 0:01:39]} 29. Bd3 {[%emt 0:01:22]} Rf6 {[%emt 0:01:14]} 30. c4 {[%emt 0:00:28]} dxc4 {[%emt 0:00:17]} 31. Rxc4 {[%emt 0:00:16]} Ke7 {[%emt 0:01:04]} 32. Rg4 {[%emt 0:01:04]} Kf8 {[%emt 0:00:48]} 33. Re4 {[%emt 0:03:02]} Ke7 {[%emt 0:01:57]} 34. Rg4 {[%emt 0:01:50]} Kf8 $1 {[%emt 0:00:36]} 35. g3 {[%emt 0:00:47]} Rf7 {[%emt 0:02:56]} 36. Bc4 {[%emt 0:01:20]} Rf6 {[%emt 0:02:14]} 37. Kg2 {[%emt 0:01:40]} Kf7 {[%emt 0:02:45]} 38. a4 {[%emt 0:01:02]} Kf8 {[%emt 0:07:23]} 39. Re4 {[%emt 0:03:27]} Ke7 {[%emt 0:00:20]} 40. f4 {[%emt 0:00:10]} Kd6 {[%emt 0:00:26]} 41. Kf3 {[%emt 0:01:09]} a5 {[%emt 0:03:02]} (41... Bc7 $16 {might work better.} 42. Re5 Kd7) 42. Ke2 {[%emt 0:01:24]} (42. Re5 $18) 42... Bc5 {[%emt 0:04:17]} 43. Kd3 {[%emt 0:00:24]} Bb4 {[%emt 0:01:54]} 44. Re5 {[%emt 0:00:10]} Bc5 {[%emt 0:01:22]} 45. Ke4 {[%emt 0:01:29]} Bb4 {[%emt 0:03:23]} 46. Rb5 {[%emt 0:00:59]} Kc7 {[%emt 0:00:16]} 47. g4 {[%emt 0:01:20]} Be1 {[%emt 0:03:59]} (47... g5 $142 48. fxg5 hxg5 49. Rxg5 Rh6) 48. g5 $18 {[%emt 0:01:11]} hxg5 {[%emt 0:00:09]} 49. Rxg5 {[%emt 0:00:31]} g6 {[%emt 0:00:54]} 50. Kf3 {[%emt 0:00:55]} Bc3 {[%emt 0:01:56]} 51. Kg4 {[%emt 0:00:52]} Kd6 {[%emt 0:00:31]} 52. Rb5 {[%emt 0:00:44]} ({White should play} 52. Bd3 $18) 52... e5 $2 {[%emt 0:00:34][%mdl 8192]} (52... Rf5 $16 53. Rb8 Rc5) 53. fxe5+ {[%emt 0:00:30]} Bxe5 {[%emt 0:00:14]} 54. Rd5+ {[%emt 0:00:14]} Ke6 {[%emt 0:00:29]} 55. Rxa5+ {[%emt 0:00:04]} Kd6 {[%emt 0:00:13]} 56. Rd5+ {[%emt 0:00:26]} Ke6 {[%emt 0:00:25]} 57. h4 {[%emt 0:00:22]} Rf5 {[%emt 0:00:34]} 58. Rb5+ {[%emt 0:00:24]} Ke7 $2 {[%emt 0:00:49]} (58... Kd6 59. Bd3 Rf2 60. Bxg6 Rb2) 59. Bd3 {[%emt 0:00:41]} Ke8 {[%emt 0:02:32] Weighted Error Value: White=0.27 (precise) /Black=0.38} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.16"]
[White "Hernandez Guerrero, Eduardo"]
[Black "Silva Hernandez, Jose Luis"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "2232"]
[BlackElo "2006"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,154,15,30,10,29,31,32,37,67,0,4,-7,11,16,17,-56,-75,-58,-64,-61,-58,-56,-62,-52,-50,-93,-43,-65,-18,-30,-16,-36,-39,-104,-104,-110,-102,-112,-96,-99,0,0,0,0,99,0,0,0,25,0,12,0,0,0,0,0,10,0,0,0,0,0,0,0,34,0,84,47,47,15,15,14,20,0,0,-8,-8,-20,-8,-99,-95,-108,0,-91,-66,-106,-97,-145,-123,-443,-432,-606,-604,-629,-618,-598,-577,-645,-645,-660,-641,-942,-737,-1127,-1112,-1077,-1002,-6001,-1683,-2534,-2367,-2625,-2360,-5057,-1385,-1664,-1064,-29989,-29990,-29991,-29988,-29988,-29989,-29993,-29985,-29985,-29986,-29988,-29986,-29989,-29990,-29991,-29987,-29987,-29985,-29985,-29985,-29987,-29988,-29998,-29999]} 1. e4 {[%emt 0:00:07]} g6 {[%emt 0:00:58]} 2. d4 {[%emt 0:00:22]} d6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:21]} Nf6 {[%emt 0:00:15]} 4. h3 {[%emt 0:06:55]} Bg7 {[%emt 0:01:12]} 5. Nf3 {[%emt 0:00:08]} O-O {[%emt 0:00:35]} 6. Be3 {[%emt 0:01:15]} c5 {[%emt 0:04:16]} 7. Qd2 {[%emt 0:07:19]} cxd4 {[%emt 0:03:27]} 8. Nxd4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:04]} 9. g4 {[%emt 0:02:55] B72: Sicilian Dragon: 6 Be3, lines with h3+Bc4 and sidelines.} Be6 {[%emt 0:05:18]} 10. f4 {[%emt 0:11:50] [#]} Nxd4 $146 {[%emt 0:04:44]} ({Predecessor:} 10... Na5 11. f5 Bc4 12. Bg2 Ba6 13. b3 b6 14. Bh6 Qc7 15. Bxg7 Kxg7 16. g5 Nd7 {1-0 (25) Rozsa,B-Thomasson,W Oklahoma City 1956}) 11. Bxd4 {[%emt 0:00:10] White is slightly better.} Qa5 {[%emt 0:00:13][%cal Of6e4]} 12. Bg2 {[%emt 0:01:42]} (12. f5 $1 $14 Bd7 13. O-O-O) 12... Rfc8 {[%emt 0:09:46]} 13. g5 {[%emt 0:04:11]} Nd7 {[%emt 0:01:55]} 14. Bxg7 {[%emt 0:01:05]} Kxg7 {[%emt 0:00:05]} 15. Nd5 {[%emt 0:02:51]} (15. h4 $11) 15... Qxd2+ $15 {[%emt 0:01:02]} 16. Kxd2 {[%emt 0:00:05]} Bxd5 {[%emt 0:00:05]} 17. exd5 {[%emt 0:00:08]} Rc4 {[%emt 0:00:03] aiming for ...Rac8.} 18. Rhf1 {[%emt 0:00:26]} Rac8 {[%emt 0:00:17]} 19. c3 {[%emt 0:00:10]} b5 {[%emt 0:07:32]} 20. Rac1 {[%emt 0:09:59]} Ra4 {[%emt 0:17:04]} (20... Nb6 $17) 21. a3 {[%emt 0:01:37]} Rh8 {[%emt 0:01:11]} (21... f5 $15 {deserves consideration.}) 22. Rce1 $11 {[%emt 0:12:59]} Kf8 {[%emt 0:03:34]} 23. Rf2 {[%emt 0:05:19]} h6 {[%emt 0:02:36]} 24. Bf1 {[%emt 0:00:27]} (24. h4 $15) 24... a6 $17 {[%emt 0:00:35]} 25. h4 {[%emt 0:06:11]} hxg5 {[%emt 0:03:46]} 26. hxg5 {[%emt 0:00:06]} Rh4 {[%emt 0:00:52]} 27. Ke3 {[%emt 0:03:54] [#]} Nc5 {[%emt 0:10:35]} ({Black should try} 27... f6 $1 $17 28. Rd1 Kg8) 28. b4 $36 {[%emt 0:00:59][%mdl 2048] White has good play.} Nd7 {[%emt 0:00:38]} 29. Ra1 {[%emt 0:00:08]} Nb6 {[%emt 0:11:24]} (29... f5 $11 {remains equal.}) 30. Rd2 {[%emt 0:10:09]} (30. Kd4 $16) 30... Rh1 {[%emt 0:01:04]} 31. Kf3 {[%emt 0:01:05]} Nc4 {[%emt 0:03:49]} 32. Rda2 {[%emt 0:00:22]} Nb6 {[%emt 0:00:35]} 33. Kg2 {[%emt 0:00:37]} Rxf1 {[%emt 0:00:45]} 34. Rxf1 {[%emt 0:00:54] Strongly threatening Rd1.} Nxd5 {[%emt 0:00:03][%mdl 4096] Endgame KRR-KRN} 35. Rf3 {[%emt 0:00:06] Against Ne3+} e6 {[%emt 0:00:27]} 36. Kg3 {[%emt 0:03:04]} Ke7 {[%emt 0:00:10]} 37. Rd3 {[%emt 0:00:26]} Nb6 {[%emt 0:00:15]} 38. Rd1 {[%emt 0:00:09]} Nd5 {[%emt 0:00:15]} 39. Rc1 {[%emt 0:00:38]} Nb6 {[%emt 0:00:49]} 40. Kf3 {[%emt 0:00:17]} Nc4 {[%emt 0:00:37]} (40... Nd5 $11) 41. Ke4 {[%emt 0:01:04]} Nb6 {[%emt 0:00:38]} 42. Kd3 {[%emt 0:00:58]} Nd5 {[%emt 0:00:17]} 43. Rf1 {[%emt 0:00:11]} Kd7 {[%emt 0:00:11]} 44. Rf3 {[%emt 0:01:30]} a5 {[%emt 0:04:01][%cal Ra5b4]} 45. Rff2 {[%emt 0:04:30]} Kc6 {[%emt 0:01:06]} 46. Kd4 {[%emt 0:01:24]} Nxf4 {[%emt 0:00:24]} 47. Rh2 {[%emt 0:02:03]} (47. c4 $1 $11 {keeps the balance.}) 47... e5+ $17 {[%emt 0:00:44][%cal Be6e5,Be5e4][%mdl 32]} 48. Ke4 {[%emt 0:00:01]} Nh5 {[%emt 0:01:36]} (48... Ne6 $17 49. Rhg2 Kd7) 49. Kf3 {[%emt 0:00:14]} (49. Rhf2 $11) 49... Kd5 {[%emt 0:00:33]} 50. Rhd2+ {[%emt 0:00:05]} Ke6 {[%emt 0:00:03]} 51. Kg4 {[%emt 0:00:07]} (51. bxa5 $142 Rxa5 52. Ra1) 51... f5+ {[%emt 0:00:26]} 52. Kf3 $2 {[%emt 0:00:26][%mdl 8192] This move loses the game for White.} (52. gxf6 $17 {nothing else works.} Nxf6+ 53. Kf3) 52... e4+ $19 {[%emt 0:00:09]} 53. Ke3 {[%emt 0:00:06]} (53. Kg2 $142 Nf4+ 54. Kf2) 53... Ke5 {[%emt 0:00:07]} 54. Rd4 {[%emt 0:00:32]} f4+ {[%emt 0:00:47]} 55. Kf2 {[%emt 0:00:08]} Ng3 {[%emt 0:00:55] And now ...Nf5 would win.} 56. bxa5 {[%emt 0:00:22]} Rxa5 {[%emt 0:00:20]} 57. Rb4 {[%emt 0:00:05]} d5 {[%emt 0:00:59] Inhibits c4.} 58. a4 {[%emt 0:00:22]} bxa4 {[%emt 0:00:14]} 59. Rbxa4 {[%emt 0:00:28]} Rc5 {[%emt 0:00:03]} 60. R2a3 {[%emt 0:00:09]} Kf5 {[%emt 0:00:18] [#] ...Kg4 is the strong threat.} 61. Ra5 {[%emt 0:00:08]} Rc8 {[%emt 0:02:09]} (61... Rxa5 $142 62. Rxa5 Kg4) 62. Rxd5+ {[%emt 0:00:07]} Kg4 {[%emt 0:00:10]} 63. Kg2 {[%emt 0:01:37]} Nf5 {[%emt 0:00:12]} 64. Re5 {[%emt 0:00:28]} f3+ {[%emt 0:00:10]} (64... Ne3+ $142 65. Kf2 Nc4) 65. Kf2 {[%emt 0:00:18]} Kf4 {[%emt 0:00:04]} 66. Rxf5+ {[%emt 0:03:19]} gxf5 {[%emt 0:00:33] KR-KR. Black mates.} 67. g6 {[%emt 0:00:05]} Rc6 {[%emt 0:01:59]} 68. g7 {[%emt 0:01:10]} Rg6 {[%emt 0:00:05]} 69. Ra7 {[%emt 0:00:02]} Rg2+ {[%emt 0:00:18]} 70. Kf1 {[%emt 0:00:07]} Ke3 {[%emt 0:00:52]} 71. c4 {[%emt 0:00:25]} Kd4 {[%emt 0:00:03]} 72. Rf7 {[%emt 0:00:28]} e3 {[%emt 0:00:58]} 73. Re7 {[%emt 0:00:27]} f4 {[%emt 0:00:25][%cal Bf5f4,Bf4e3][%mdl 32]} 74. c5 {[%emt 0:00:51]} Kxc5 {[%emt 0:00:23]} 75. Re4 {[%emt 0:00:10]} Kd5 {[%emt 0:00:33]} 76. g8=Q+ Rxg8 {[%emt 0:00:18]} 77. Rxe3 fxe3 {[%emt 0:00:45] Weighted Error Value: White=0.50/Black=0.20 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.17"]
[White "Flores Guerrero, Jesus Aldair"]
[Black "Flores Irurso, Paul Josue"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2251"]
[BlackElo "1912"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,52,-18,-12,5,-18,-7,-8,-4,-4,-8,-8,-8,-8,-4,-24,-17,-41,-8,-14,-16,-17,-16,-31,-31,-28,-14,-36,-5,-62,-19,-16,0,-22,0,-44,-32,-32,-22,-51,0,-75,0,-27,12]} 1. d4 {[%emt 0:06:03]} Nf6 {[%emt 0:00:18]} 2. e3 {[%emt 0:03:39]} g6 {[%emt 0:02:24]} 3. f4 {[%emt 0:00:51]} Bg7 {[%emt 0:01:47]} 4. Nf3 {[%emt 0:00:16]} O-O {[%emt 0:01:38]} 5. Be2 {[%emt 0:00:44]} d5 {[%emt 0:04:07]} 6. O-O {[%emt 0:00:09]} Nbd7 {[%emt 0:04:18][%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32] A03: Bird's Opening with 1...d5.} 7. c3 {[%emt 0:03:18]} Ne4 {[%emt 0:03:06]} 8. Nbd2 {[%emt 0:00:08]} Ndf6 {[%emt 0:00:12] The position is equal.} 9. Nxe4 {[%emt 0:01:14]} Nxe4 {[%emt 0:00:11] [#]} 10. Nd2 $146 {[%emt 0:01:30]} ({Predecessor:} 10. Bd3 Nd6 11. Qb3 c6 12. Bd2 Qb6 13. Qxb6 axb6 14. h3 b5 15. Rfe1 Bf5 16. Bxf5 gxf5 {0-1 (66) Melo,F (1828)-De Oliveira,J (1953) Joao Pessoa 2015}) 10... Nd6 {[%emt 0:09:35]} 11. Bf3 {[%emt 0:00:12]} c6 {[%emt 0:00:06]} 12. g4 {[%emt 0:00:11]} f5 {[%emt 0:09:56]} 13. g5 {[%emt 0:03:31]} Ne4 {[%emt 0:04:19]} 14. Nxe4 {[%emt 0:00:51]} fxe4 {[%emt 0:00:46]} 15. Bg4 {[%emt 0:00:10]} Bf5 {[%emt 0:03:36]} 16. Rf2 {[%emt 0:01:31]} Qd7 {[%emt 0:01:40]} 17. Rg2 {[%emt 0:00:26]} Kf7 {[%emt 0:04:54]} 18. Bd2 {[%emt 0:03:40]} Rh8 {[%emt 0:46:37]} 19. h4 (19. Bxf5 $11 Qxf5 20. c4) 19... h5 20. Bxf5 Qxf5 21. Kh2 {[%emt 1:12:36]} Qd7 {[%emt 0:01:30]} 22. Rg3 e6 {[%emt 0:00:00]} 23. Rg2 {[%emt 0:00:00]} Bf8 {[%emt 0:00:00]} 24. Rg3 {[%emt 0:00:00]} Bd6 {[%emt 0:00:00]} ({Black should play} 24... c5 $15) 25. a3 {[%emt 0:00:00]} (25. c4 $11 {keeps the balance.}) 25... Kg7 {[%emt 0:00:00]} (25... c5 $17) 26. Rg2 {[%emt 0:00:00][%cal Oc3c4]} Raf8 {[%emt 0:00:00] Weighted Error Value: White=0.21 (precise) /Black=0.19 (very precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.18"]
[White "Avila Bautista, Roberto Al"]
[Black "Blanco Fernandez, Alvaro"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2090"]
[BlackElo "2216"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,35,0,-13,26,4,2,0,0,-7,75,72,89,59,135,125,247,256,427,426,1119,1114,876,355]} 1. Nf3 {[%emt 0:00:14]} g6 {[%emt 0:00:32]} 2. c4 {[%emt 0:00:21]} Bg7 {[%emt 0:01:08]} 3. Nc3 {[%emt 0:00:32]} Nf6 {[%emt 0:00:47]} 4. g3 {[%emt 0:00:13]} O-O {[%emt 0:00:16]} 5. Bg2 {[%emt 0:00:29]} d6 {[%emt 0:00:05]} 6. O-O {[%emt 0:00:11]} c6 {[%emt 0:01:45]} 7. b3 {[%emt 0:02:18]} e5 {[%emt 0:02:35]} 8. Bb2 {[%emt 0:00:40]} e4 {[%emt 0:04:16] A15: English Opening: 1...Nf6.} 9. Ne1 {[%emt 0:01:05] [#]} d5 $146 {[%emt 0:00:58]} ({Predecessor:} 9... Re8 10. Rc1 Nbd7 11. Qc2 Nc5 12. b4 Na6 13. a3 Bf5 14. Qb3 Qd7 15. Nc2 Bh3 16. Ne3 {0-1 (65) Ragats,J (2118)-Suranyi,P (2153) Hungary 2011}) 10. cxd5 {[%emt 0:06:00]} cxd5 {[%emt 0:00:24] The position is equal.} 11. d3 {[%emt 0:02:51]} e3 {[%emt 0:00:45]} (11... Re8 $11 {keeps the balance.}) 12. fxe3 $16 {[%emt 0:04:03]} Ng4 {[%emt 0:01:17]} 13. Nc2 {[%emt 0:03:29]} Qg5 {[%emt 0:04:37]} (13... Nc6 $14) 14. Qc1 {[%emt 0:09:24]} Qh5 {[%emt 0:06:47]} (14... Rd8 $16 {was called for.} 15. h3 Nf6) 15. h3 $18 {[%emt 0:03:13]} Nh6 {[%emt 0:02:16]} (15... Nf6 {was worth a try.} 16. g4 Bxg4) 16. Nxd5 {[%emt 0:01:31] [#] aiming for Bxg7. White is clearly winning.} Qg5 {[%emt 0:04:23]} (16... Nd7 $142 17. Bxg7 Kxg7) 17. Bxg7 {[%emt 0:01:02]} Kxg7 {[%emt 0:00:05]} 18. e4 {[%emt 0:02:17] White took control after the opening.  Weighted Error Value: White=0.11 (very precise) /Black=0.73} (18. Qb2+ $142 f6 {[#]} 19. Nxf6 $1 {[%mdl 512]} Rxf6 20. h4) 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.19"]
[White "Quiroga Jaquez, Angel Ivan"]
[Black "Arizpe, Frank"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2185"]
[BlackElo "1274"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,105,54,43,58,54,70,41,95,87,93,67,139,100,148,144,147,141,171,96,106,100,147,74,80,79,75,39,45,25,32,39,44,52,55,35,34,35,29,31,35,38,45,51,52,50,58,67,58,40,42,45,37,0,31,15,108,110,100,102,92,92,112,117,160,116,151,152,235,227,388,376,377,368,459,459,459,452,430,436,692,658,741,416,731,718,660,627,1570,1523,1535,1285,1465,1118,1662,1793,974,1195]} 1. d4 {[%emt 0:04:53]} Nf6 {[%emt 0:00:12]} 2. c4 {[%emt 0:00:47]} d5 {[%emt 0:00:26]} 3. Nc3 {[%emt 0:00:44]} dxc4 {[%emt 0:01:20]} 4. e4 {[%emt 0:03:09]} e6 {[%emt 0:00:17]} 5. Bxc4 {[%emt 0:02:37]} Bb4 {[%emt 0:02:12]} 6. f3 {[%emt 0:01:29]} O-O {[%emt 0:00:37] D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} 7. Nge2 {[%emt 0:00:13]} Nc6 {[%emt 0:03:25]} 8. Be3 {[%emt 0:14:48]} b6 {[%emt 0:03:51]} (8... e5 $14) 9. a3 $16 {[%emt 0:01:21]} Be7 {[%emt 0:00:50]} 10. O-O {[%emt 0:00:27] [#]} a5 $146 {[%emt 0:02:43]} (10... e5 $14) ({Predecessor:} 10... Bb7 11. Rc1 Na5 12. Bd3 Qd7 13. b4 Nc6 14. Qc2 e5 15. d5 Nb8 16. Rfd1 Bd6 {1-0 (47) Rosu,I-Colta,I Eforie Nord 1998}) 11. Rc1 {[%emt 0:01:20]} Na7 {[%emt 0:04:43]} (11... e5 $142) 12. Qc2 {[%emt 0:05:53]} Bb7 {[%emt 0:01:36]} 13. Rfd1 {[%emt 0:00:35]} Qc8 {[%emt 0:02:02]} 14. d5 {[%emt 0:11:18]} (14. e5 $18 Nd7 15. Ne4) 14... exd5 15. Nxd5 {[%emt 0:00:45]} (15. exd5 {is interesting.} Qd7 16. Ng3 Nc8 17. Bb5) 15... Nxd5 {[%emt 0:05:23]} (15... Bxd5 $142 16. exd5 (16. Bxd5 Nxd5 17. Rxd5 c5 $16) 16... Qe8) 16. Bxd5 {[%emt 0:00:11]} (16. exd5 $142 Bd6 17. Nc3) 16... Bxd5 {[%emt 0:00:20]} 17. Rxd5 {[%emt 0:00:10]} c5 {[%emt 0:07:11]} 18. Ng3 {[%emt 0:03:24] 0x0.002037565f53dp-1022s more active pieces.} Rd8 {[%emt 0:03:47]} 19. Rcd1 {[%emt 0:01:32] Strongly threatening Rxd8+.} Rxd5 {[%emt 0:02:50]} 20. Rxd5 {[%emt 0:03:11]} Nc6 {[%emt 0:01:11]} 21. Nf5 {[%emt 0:00:23]} Bf8 {[%emt 0:00:52]} 22. Qd1 {[%emt 0:10:54]} Qe6 {[%emt 0:11:07]} 23. Bf4 {[%emt 0:00:37]} g6 {[%emt 0:05:04]} 24. Nh6+ {[%emt 0:02:03]} Kg7 $1 {[%emt 0:03:36]} 25. Ng4 {[%emt 0:00:21] [#] aiming for Bh6+.} h5 {[%emt 0:02:36]} 26. Ne5 {[%emt 0:02:57]} Nxe5 {[%emt 0:03:38]} 27. Bxe5+ {[%emt 0:00:16]} Kh7 {[%emt 0:02:10]} 28. a4 {[%emt 0:00:27]} Rc8 {[%emt 0:01:44]} 29. Qd2 {[%emt 0:02:46]} Bg7 {[%emt 0:01:30]} 30. Bxg7 {[%emt 0:00:21]} Kxg7 $14 {[%emt 0:00:02][%mdl 4096] Endgame KQR-KQR} 31. Qf4 {[%emt 0:00:47]} Rc6 {[%emt 0:04:19]} 32. Kf2 {[%emt 0:01:35]} Qf6 {[%emt 0:00:37]} (32... c4 $11) 33. Qxf6+ $16 {[%emt 0:00:34] White now steadily converts the win.} Kxf6 {[%emt 0:00:02] KR-KR} 34. Ke3 {[%emt 0:00:10]} Ke6 {[%emt 0:05:05]} 35. Kd3 {[%emt 0:01:08]} c4+ {[%emt 0:01:10]} 36. Kc3 {[%emt 0:03:24]} f5 {[%emt 0:01:50]} 37. Rd4 {[%emt 0:00:05]} Ke5 {[%emt 0:01:29]} 38. Rxc4 {[%emt 0:02:29]} Rf6 {[%emt 0:05:14]} (38... Rd6 $16 39. exf5 Kxf5) 39. exf5 $18 {[%emt 0:00:22]} gxf5 $2 {[%emt 0:00:17]} (39... Kxf5 {keeps fighting.} 40. b4 Re6 41. bxa5 bxa5) 40. Rh4 {[%emt 0:00:19]} Rc6+ {[%emt 0:02:15]} 41. Kb3 {[%emt 0:00:35]} Rd6 {[%emt 0:01:11]} 42. Rxh5 {[%emt 0:00:19]} Kf4 {[%emt 0:00:51]} 43. g3+ {[%emt 0:02:02]} Kxf3 {[%emt 0:00:24]} 44. Rxf5+ {[%emt 0:00:05]} Kg4 {[%emt 0:00:16]} (44... Kg2 $142 45. Rh5 Rg6) 45. Rf4+ {[%emt 0:00:17]} Kh3 {[%emt 0:00:14]} 46. Rh4+ {[%emt 0:00:08]} Kg2 {[%emt 0:00:13]} 47. Kc4 {[%emt 0:00:31] Against Rd5. White is clearly winning.} Kf3 {[%emt 0:02:48]} 48. Kb5 {[%emt 0:00:45]} Ke3 {[%emt 0:00:38]} 49. b4 {[%emt 0:00:39]} axb4 {[%emt 0:00:15]} 50. Rxb4 {[%emt 0:00:13]} Rh6 {[%emt 0:00:43]} 51. h4 {[%emt 0:01:00] [#] Hoping for g4.} Kf3 {[%emt 0:01:10]} 52. g4 {[%emt 0:00:09]} Rxh4 {[%emt 0:00:30]} 53. Kxb6 {[%emt 0:00:07] Weighted Error Value: White=0.11 (very precise) /Black=0.31} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.20"]
[White "Jorajuria Mendoza, Algol"]
[Black "Gongora Montes, Benjamin"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2006"]
[BlackElo "2157"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,144,29,56,42,74,63,87,88,95,35,32,20,30,26,98,112,109,122,160,145,278,266,272,250,248,253,272,266,486,508,455,329,371,247,244,177,136,109,116,117,125,127,127,120,129,67,66,65,71,72,67,67,76,9,9,9,9,9,9,9,9,9,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-56,-60,-60,-60,-60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:03]} e5 {[%emt 0:05:35]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:04]} a6 {[%emt 0:00:08]} 4. Ba4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:05]} 5. O-O {[%emt 0:00:05]} Be7 {[%emt 0:00:09]} 6. Re1 {[%emt 0:00:06]} b5 {[%emt 0:00:08]} 7. Bb3 {[%emt 0:00:04]} O-O {[%emt 0:00:35]} 8. a4 {[%emt 0:00:21]} Rb8 {[%emt 0:00:07]} 9. axb5 {[%emt 0:00:24]} axb5 {[%emt 0:00:08]} 10. c3 {[%emt 0:00:11][%cal Bc2c3,Bc3d4,Bd4d5][%mdl 32]} d6 {[%emt 0:05:48]} 11. d4 $1 {[%emt 0:00:14] The main line 11.d4 scores better than 11.h3.} exd4 {[%emt 0:15:47]} 12. cxd4 {[%emt 0:00:07]} Bg4 {[%emt 0:00:08]} 13. Nc3 {[%emt 0:00:13] C88: Closed Ruy Lopez: Anti-Marshall Systems.} Qd7 {[%emt 0:03:01]} 14. d5 {[%emt 0:00:55] [#]} Nb4 $146 {[%emt 0:09:15]} ({Predecessor:} 14... Bxf3 15. gxf3 Ne5 16. f4 Qh3 17. Re3 Qh4 18. fxe5 Ng4 19. Qf3 Qxh2+ 20. Kf1 Nxe3+ 21. Bxe3 Qxe5 {1-0 (42) Volokitin,A (2634)-Votava,J (2529) Austria 2019}) 15. h3 {[%emt 0:46:11] White is better.} Bh5 {[%emt 0:03:29]} 16. Qd4 {[%emt 0:03:11]} ({White should play} 16. Bf4 $16) 16... c5 $14 {[%emt 0:01:09]} 17. dxc6 $1 {[%emt 0:01:13]} Nxc6 {[%emt 0:00:09]} 18. Qd3 {[%emt 0:00:50]} Rfe8 {[%emt 0:07:07] [#]} (18... Ne5 19. Nxe5 dxe5 20. Qxd7 Nxd7 21. Ra7 $16) (18... Bxf3 $11 {keeps the balance.} 19. Qxf3 Nd4) 19. Nd4 $1 $16 {[%emt 0:02:42] &Bianco is much more active.} Nxd4 {[%emt 0:12:49]} 20. Qxd4 {[%emt 0:00:02]} Bd8 {[%emt 0:00:09]} 21. Bf4 {[%emt 0:02:36]} Rb6 {[%emt 0:03:44]} (21... Bc7 $16 22. Qb4 Qd8) 22. Nd5 $18 {[%emt 0:02:06]} Nxd5 {[%emt 0:00:29]} 23. Qxd5 {[%emt 0:00:59]} Bg6 {[%emt 0:01:26]} 24. e5 {[%emt 0:00:33]} Bf5 {[%emt 0:06:08]} 25. exd6 {[%emt 0:00:48][%cal Od5f7]} Rxe1+ $2 {[%emt 0:00:39]} (25... Be6 26. Qc5 h6) 26. Rxe1 {[%emt 0:00:05][%cal Od5f7] Intending Qxf7+! and mate.} Be6 {[%emt 0:00:13] [#]} 27. Qe4 {[%emt 0:02:43]} g5 {[%emt 0:05:19]} (27... Rc6 28. Ra1) 28. Bxe6 {[%emt 0:03:05]} Qxe6 {[%emt 0:00:23]} 29. Qxe6 {[%emt 0:05:44]} fxe6 {[%emt 0:00:06][%mdl 4096] Endgame KRB-KRB} 30. Bg3 {[%emt 0:05:27]} ({Stronger than} 30. Rxe6 Kf7 31. Bxg5 Bxg5 $15) 30... Kf7 {[%emt 0:00:11]} 31. Ra1 {[%emt 0:00:10]} Rb7 {[%emt 0:01:20] Against Ra7} 32. Rc1 {[%emt 0:01:52][%cal Oc1c7]} Ke8 {[%emt 0:00:52]} 33. Rc5 {[%emt 0:02:02]} Kd7 {[%emt 0:00:36]} 34. Be5 {[%emt 0:01:48] Prevents Bf6.} (34. b4 $16) 34... Bb6 $14 {[%emt 0:01:02]} 35. Rc3 {[%emt 0:00:27]} b4 {[%emt 0:00:10]} 36. Rc4 {[%emt 0:01:35]} Ba5 {[%emt 0:02:30]} 37. Rg4 {[%emt 0:02:31]} Bd8 {[%emt 0:01:01]} 38. h4 {[%emt 0:02:18]} (38. Kf1 $16) 38... Rb5 $11 {[%emt 0:00:32]} 39. Re4 {[%emt 0:01:08] next hxg5 is good for White.} gxh4 {[%emt 0:00:34]} 40. f4 {[%emt 0:00:17]} Bb6+ {[%emt 0:04:24]} 41. Kh2 {[%emt 0:00:43]} Bc5 {[%emt 0:00:06]} 42. Kh3 {[%emt 0:01:03]} Bxd6 {[%emt 0:01:18]} 43. Kxh4 {[%emt 0:00:43]} Bxe5 {[%emt 0:01:14]} 44. fxe5 {[%emt 0:00:05] KR-KR} Kc6 {[%emt 0:00:26]} 45. Kg5 {[%emt 0:03:24]} Kd5 {[%emt 0:00:27]} 46. Re2 {[%emt 0:00:32]} Rb8 {[%emt 0:02:53]} 47. Kf6 {[%emt 0:00:35]} Rf8+ {[%emt 0:00:41]} 48. Kg7 {[%emt 0:00:05]} Rf5 {[%emt 0:00:05]} 49. Kxh7 {[%emt 0:00:02] Hoping for g4.} Rxe5 {[%emt 0:00:10]} 50. Rd2+ {[%emt 0:00:44]} Ke4 {[%emt 0:01:34]} 51. Kg6 {[%emt 0:00:19] Against Rg5+} Rc5 {[%emt 0:05:27] ...e5 is the strong threat.} 52. Rd6 {[%emt 0:01:47]} e5 {[%emt 0:01:14][%cal Be6e5,Be5e4,Be4e3][%mdl 32]} 53. Rb6 {[%emt 0:00:04]} Kd3 {[%emt 0:00:49] Threatens to win with ...e4.} 54. Rxb4 {[%emt 0:00:23]} e4 {[%emt 0:00:05] aiming for ...e3.} 55. Rb6 {[%emt 0:01:43]} ({But not} 55. Rb3+ Kd2 56. Rb8 e3 57. Rd8+ Ke2 $17) (55. Rb7 $11) 55... e3 $15 {[%emt 0:01:25][%mdl 1024] White must now prevent ...Re5. Black has compensation.} 56. Rd6+ {[%emt 0:00:41]} Ke4 {[%emt 0:00:21] ( -> ...e2)} 57. Rd1 $1 {[%emt 0:00:10]} ({Not} 57. Re6+ $2 Re5 58. Ra6 e2 59. Ra4+ Ke3 $19) 57... Rc2 {[%emt 0:01:40]} (57... e2 $1 $15 58. Re1 Ke3) 58. g4 $1 $11 {[%emt 0:00:11] The position is equal.} Rg2 {[%emt 0:00:39]} 59. g5 {[%emt 0:00:15]} Rxb2 {[%emt 0:01:14]} 60. Re1 {[%emt 0:00:55]} Kf3 {[%emt 0:00:36]} 61. Kf7 {[%emt 0:00:19]} Rb7+ {[%emt 0:00:33]} 62. Kf6 {[%emt 0:00:07]} Rb6+ {[%emt 0:00:20]} 63. Kf7 {[%emt 0:00:06]} Kf2 {[%emt 0:00:26]} 64. Rxe3 {[%emt 0:00:10]} Kxe3 {[%emt 0:00:07] KR-KP} 65. g6 {[%emt 0:00:04]} Kf4 {[%emt 0:00:28]} 66. g7 {[%emt 0:00:05]} Rb7+ {[%emt 0:00:08]} 67. Kf6 {[%emt 0:00:12]} Rb8 {[%emt 0:00:07]} 68. Kf7 {[%emt 0:00:14]} Kf5 {[%emt 0:00:08]} 69. g8=Q {[%emt 0:00:05]} Rb7+ {[%emt 0:00:12]} 70. Kf8 {[%emt 0:00:04] White wants to mate with Qd5+.} Rb8+ {[%emt 0:00:07]} 71. Kg7 {[%emt 0:00:07]} Rxg8+ {[%emt 0:00:06]} 72. Kxg8 {[%emt 0:15:14]} Ke4 {[%emt 0:03:54] Black defended with fortune.  Weighted Error Value: White=0.15 (very precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.21"]
[White "Maass Garza R, Alejandro"]
[Black "Rivera Garcia, David Moises"]
[Result "1-0"]
[ECO "B59"]
[WhiteElo "2265"]
[BlackElo "1780"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,109,-24,-14,-9,-14,0,0,0,0,20,22,37,37,37,42,50,47,69,65,64,58,86,31,72,62,115,106,127,127,122,123,124,110,120,115,118,116,133,135,139,130,130,137,143,123,163,160,195,194,197,210,208,197,301,160,337,335,314,308,513,496,613,616,1160,1154,5118,5118,4504,4504,3742,2752,7092,6319,6370,5481,29980,29981,29984,29985,29985,29986,29986,29987,29986,29986,29988,29989,29989,29990]} 1. e4 {[%emt 0:00:24]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:15]} cxd4 {[%emt 0:00:03]} 4. Nxd4 {[%emt 0:00:05]} e6 {[%emt 0:00:18]} 5. Nb3 {[%emt 0:02:41]} Nf6 {[%emt 0:00:10]} 6. Bd3 {[%emt 0:00:13]} Be7 {[%emt 0:00:11]} 7. O-O {[%emt 0:00:20]} O-O {[%emt 0:00:20]} 8. Bf4 {[%emt 0:03:16]} d6 {[%emt 0:00:37]} 9. Nc3 {[%emt 0:00:36]} e5 {[%emt 0:00:35]} 10. Bg3 {[%emt 0:00:28]} Be6 {[%emt 0:00:16]} 11. f4 {[%emt 0:00:48]} exf4 {[%emt 0:13:05]} 12. Bxf4 {[%emt 0:00:42]} Ne5 {[%emt 0:00:04] B59: Classical Sicilian: 6 Be2 e5 7 Nb3.} 13. Be2 {[%emt 0:04:39]} Qb6+ {[%emt 0:00:33]} 14. Qd4 {[%emt 0:00:37]} Qxd4+ {[%emt 0:02:26] The position is equal.} 15. Nxd4 {[%emt 0:00:07]} Ng6 {[%emt 0:00:07]} 16. Bg3 {[%emt 0:01:05]} Bd7 {[%emt 0:06:36]} 17. Nf5 {[%emt 0:05:28]} Bxf5 {[%emt 0:00:02]} 18. exf5 {[%emt 0:00:06]} Ne5 {[%emt 0:00:14]} 19. Rad1 $36 {[%emt 0:01:00][%mdl 2048] White has some pressure.} a6 {[%emt 0:00:39]} 20. Nd5 {[%emt 0:01:01]} Nxd5 {[%emt 0:00:19]} 21. Rxd5 {[%emt 0:00:10]} f6 {[%emt 0:00:10]} 22. c4 {[%emt 0:05:12]} (22. c3 $16) 22... Rac8 {[%emt 0:00:13]} 23. b3 {[%emt 0:00:32]} b6 {[%emt 0:05:53]} (23... Rc5 $14) 24. Rfd1 {[%emt 0:07:04]} Rfd8 {[%emt 0:01:15]} 25. Bf2 {[%emt 0:01:05]} Rb8 {[%emt 0:03:17]} 26. h3 {[%emt 0:10:05]} Kf8 {[%emt 0:02:08]} 27. Be1 {[%emt 0:00:44]} Rbc8 {[%emt 0:00:29]} 28. Bb4 {[%emt 0:01:31]} Rc6 {[%emt 0:01:08]} 29. g4 {[%emt 0:01:31]} Ke8 {[%emt 0:02:32]} 30. Kf2 {[%emt 0:00:51]} Rd7 {[%emt 0:00:27]} 31. Bf1 {[%emt 0:00:25]} Nf7 {[%emt 0:01:12]} 32. Bg2 {[%emt 0:01:53]} Rcc7 {[%emt 0:00:10]} 33. R5d2 {[%emt 0:00:46] 0x0.000e62c4cf4ddp-1022s more active pieces.} Rd8 {[%emt 0:07:31]} 34. Bd5 {[%emt 0:00:21]} Ng5 {[%emt 0:00:16]} 35. h4 {[%emt 0:01:06]} Nf7 {[%emt 0:00:17]} 36. Bxf7+ {[%emt 0:07:01]} Kxf7 {[%emt 0:00:03]} 37. Bxd6 {[%emt 0:00:49]} Rcd7 {[%emt 0:00:12]} (37... Rcc8 $142 38. a4 Rc6) 38. Bf4 {[%emt 0:00:07]} (38. Bb4 $18 Bc5+ 39. Kf3) 38... Bc5+ $2 {[%emt 0:00:13]} (38... Rxd2+ $16 {is a better defense.} 39. Rxd2 Rc8) 39. Kf3 $18 {[%emt 0:00:10]} Rxd2 {[%emt 0:00:18]} 40. Rxd2 {[%emt 0:00:07]} ({Weaker is} 40. Bxd2 Rd4 $11) 40... Rxd2 {[%emt 0:01:50]} (40... Rc8 41. Rd7+ Kg8) 41. Bxd2 {[%emt 0:00:08][%mdl 4096] Endgame KB-KB} Ke7 {[%emt 0:00:29]} 42. Be3 {[%emt 0:02:08] [#] Hoping for Bxc5+.} Kd6 {[%emt 0:02:03]} 43. Bxc5+ {[%emt 0:02:20]} bxc5 {[%emt 0:00:01] KP-KP} 44. Ke4 {[%emt 0:01:11]} Kc6 {[%emt 0:00:34]} 45. a3 {[%emt 0:02:57][%cal Ba2a3,Ba3a4][%mdl 32]} a5 {[%emt 0:00:04]} 46. Kd3 {[%emt 0:00:06]} Kc7 {[%emt 0:03:04]} 47. Kc3 {[%emt 0:00:28]} Kc6 {[%emt 0:00:07]} 48. b4 {[%emt 0:00:24] [#] Intending bxc5 and mate.} Kb6 {[%emt 0:00:05]} 49. bxc5+ {[%emt 0:00:50] White mates.} Kxc5 {[%emt 0:00:08]} 50. a4 {[%emt 0:00:14]} Kc6 {[%emt 0:00:11]} 51. Kd4 {[%emt 0:00:15]} Kd6 {[%emt 0:00:01]} 52. c5+ {[%emt 0:00:20]} Kc6 {[%emt 0:00:02]} 53. Kc4 {[%emt 0:00:09]} g6 {[%emt 0:00:51]} 54. fxg6 {[%emt 0:00:22]} hxg6 {[%emt 0:00:02]} 55. h5 {[%emt 0:40:39] Weighted Error Value: White=0.08 (flawless) /Black=0.49} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.22"]
[White "Lopez Raygoza, Luis Alberto"]
[Black "Almendarez Verdin, Manuel Adan"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2207"]
[BlackElo "1662"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,111,0,-1,0,0,1,-5,37,43,79,83,90,72,113,108,131,133,122,144,129,118,143,137,175,144,170,213,202,167,268,187,257,227,215,146,285,122,101,68,77,50,64,67,68,60,74,39,42,18,18,18,12,12,51,47,75,9,11,12,60,56,63,20,21,21,54,5,21,11,30,28,75,75,164,160,198,138,276,205,437,511,370,108,314,279,264,158,29973,29975,29972,29974,29976,29977,29981,29982,29982,29983,29983,29984,29984,29985,29988,29988]} 1. e4 {[%emt 0:04:08]} e6 {[%emt 0:00:22]} 2. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:06]} 3. Bd3 {[%emt 0:00:11][%cal Bf1d3,Bd3e4,Be4f3][%mdl 32]} dxe4 {[%emt 0:01:00]} 4. Bxe4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:13]} 5. Bf3 {[%emt 0:00:04]} c5 {[%emt 0:00:30]} 6. Ne2 {[%emt 0:00:27]} Nc6 {[%emt 0:00:47][%cal Rc5d4] C01: French: Exchange Variation.} 7. Be3 {[%emt 0:00:58]} cxd4 {[%emt 0:02:10]} 8. Nxd4 {[%emt 0:01:14]} Nxd4 {[%emt 0:00:18] The position is equal.} 9. Qxd4 {[%emt 0:01:40]} Qxd4 {[%emt 0:02:14]} 10. Bxd4 {[%emt 0:01:28]} Be7 {[%emt 0:00:06]} 11. Nc3 {[%emt 0:00:06][%cal Bb1c3,Bc3b5,Bb5d6][%mdl 32]} O-O {[%emt 0:00:32]} 12. O-O-O {[%emt 0:00:08]} Nd7 {[%emt 0:06:43] [#]} 13. Nb5 $146 {[%emt 0:06:27]} ({Predecessor:} 13. Rhe1 Bf6 14. Re4 Bxd4 15. Rexd4 Ne5 16. Be2 b6 17. f4 Nc6 18. Rd6 Na5 19. b4 {0-1 (62) Noordhoek,H (2004)-Ford,C (1781) Caleta 2017}) 13... Bc5 {[%emt 0:05:32]} 14. Bxc5 {[%emt 0:03:18] 0x0.001e7f237ef4dp-1022s more active pieces. The black rooks are badly placed.} Nxc5 {[%emt 0:00:10]} 15. b4 {[%emt 0:00:09][%cal Bb2b4,Bb4b5,Bb5b6][%mdl 32]} Nd7 {[%emt 0:03:48]} 16. Rhe1 $1 {[%emt 0:01:25] Prevents Ne5.} a5 {[%emt 0:03:11]} 17. Nd6 {[%emt 0:04:00]} Nf6 {[%emt 0:03:31]} 18. b5 {[%emt 0:02:47]} Rb8 {[%emt 0:05:07]} 19. b6 {[%emt 0:03:43]} Ra8 {[%emt 0:06:50]} (19... Bd7 $142 20. Re3 (20. Bxb7 Ne8 $14) (20. Nxb7 Bc8 $16) 20... Nd5) 20. g4 {[%emt 0:06:10]} (20. Nxb7 Bxb7 21. Bxb7 Rab8 $14) 20... Nd5 {[%emt 0:00:34]} (20... h6 $142 21. c4 (21. Bxb7 Bxb7 22. Nxb7 Rfb8 $15) 21... Rd8) 21. Bxd5 $18 {[%emt 0:00:54]} exd5 {[%emt 0:00:04]} 22. Nxc8 {[%emt 0:00:05]} ({But not} 22. Rxd5 Bxg4 23. Re7 (23. Nxb7 Bf3 $11) 23... Bf3) 22... Raxc8 {[%emt 0:00:46]} (22... Rfxc8 $16 23. Re7 (23. Rxd5 Rc6 $16) 23... Kf8 24. Rxb7 Rcb8 25. Rxb8+ (25. Ra7 Rxa7 26. bxa7 Ra8 $16) 25... Rxb8 26. Rxd5 Rxb6 27. Rxa5 Rh6 28. Ra8+ Ke7 29. Ra7+ Ke8) 23. Rxd5 {[%emt 0:00:09][%mdl 4096] Endgame KRR-KRR} (23. Re7 $18) 23... Rc6 $16 {[%emt 0:00:17]} 24. Rxa5 {[%emt 0:00:30] Hoping for Rb5.} Rxb6 {[%emt 0:00:08]} 25. Re7 {[%emt 0:02:35]} Rf6 {[%emt 0:00:39]} 26. Rf5 {[%emt 0:00:05]} Ra6 {[%emt 0:02:39]} 27. Rxb7 {[%emt 0:01:09]} Rxa2 {[%emt 0:00:18]} 28. Kb1 {[%emt 0:00:02]} Ra4 {[%emt 0:01:30]} 29. f3 {[%emt 0:01:01]} g6 {[%emt 0:00:07]} 30. Rfb5 {[%emt 0:02:39]} Rf4 {[%emt 0:00:46]} 31. Rb3 {[%emt 0:02:32]} Kg7 {[%emt 0:01:14]} 32. R7b4 {[%emt 0:01:04]} Rf6 {[%emt 0:00:47]} 33. Rb6 {[%emt 0:05:35]} (33. c4 $16) 33... Rf4 {[%emt 0:00:57]} 34. Kc1 {[%emt 0:00:14]} Rd8 {[%emt 0:01:15]} (34... Re8 $11) 35. R6b4 $1 $14 {[%emt 0:01:44]} Rf6 {[%emt 0:00:20]} 36. Re4 {[%emt 0:00:09]} Rfd6 {[%emt 0:04:19]} 37. Re2 {[%emt 0:01:14]} Ra8 {[%emt 0:01:28]} 38. Rd3 {[%emt 0:03:46]} (38. c4 $14) 38... Rc6 {[%emt 0:00:27]} 39. Kd2 {[%emt 0:06:31]} Ra2 {[%emt 0:02:13]} 40. Rc3 {[%emt 0:00:04]} Rxc3 {[%emt 0:02:23]} (40... Rd6+ $11 41. Ke1 h5) 41. Kxc3 $11 {[%emt 0:00:05] KR-KR} Ra3+ {[%emt 0:00:16]} (41... Ra8 $16 {keeps fighting.}) 42. Kd4 $18 {[%emt 0:05:50] Black must now prevent c4.} Rxf3 {[%emt 0:00:15]} 43. c4 $1 {[%emt 0:00:02][%cal Bc2c4,Bc4c5,Bc5c6,Bc6c7][%mdl 32] aiming for c5.} Rf4+ {[%emt 0:03:04] [#]} (43... Rf1 $16 {was called for.}) 44. Kd5 $1 {[%emt 0:00:05] c5 is the strong threat.} ({Less strong is} 44. Re4 Rf2 $14) 44... Rxg4 $2 {[%emt 0:00:59]} (44... Rf1 45. c5 Rd1+ 46. Kc6 Kf6) 45. c5 {[%emt 0:00:04] And now c6 would win.} Rg1 {[%emt 0:00:46]} 46. Rc2 $2 {[%emt 0:00:04]} (46. c6 $18 {and the rest is easy.}) 46... Rd1+ $2 {[%emt 0:03:21] [#]} (46... Kf6 $16) 47. Ke5 $1 {[%emt 0:00:16] Strongly threatening c6.} Kf8 {[%emt 0:00:42]} 48. c6 {[%emt 0:37:28] Intending c7 and mate.} Rd8 $2 {[%emt 0:01:07] Loses the game.} (48... Re1+ $16 49. Kd6 Rd1+ 50. Kc7 Ke7) 49. c7 {[%emt 0:00:00] White mates.} Rc8 {[%emt 0:00:06]} 50. Kd6 {[%emt 0:00:00]} f5 {[%emt 0:02:16]} 51. Kd7 {[%emt 0:00:00]} Rxc7+ {[%emt 0:00:07]} 52. Rxc7 {[%emt 0:00:00]} Kf7 {[%emt 0:00:12]} 53. Kd6+ {[%emt 0:00:00]} Kf6 {[%emt 0:00:40]} 54. Rxh7 {[%emt 0:00:00]} f4 {[%emt 0:00:17]} 55. Kd5 {[%emt 0:00:00]} Kf5 {[%emt 0:00:28]} 56. Rf7+ {[%emt 0:00:00] Weighted Error Value: White=0.25 (precise) /Black=0.42} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.23"]
[White "Guerrero Cataldo, Juan Andres"]
[Black "Rosales Campos, Paul"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "1976"]
[BlackElo "2039"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,113,16,9,0,0,0,0,-27,11,0,46,0,0,-2,0,0,19,0,47,54,49,21,61,42,50,44,59,33,102,102,104,65,63,63,71,71,65,69,113,68,118,119,187,175,233,200,220,108,199,158,312,316,362,362,516,509,552,500,511,286,1274,1160,1145,1261,1159,1149,945,953,1263,1251,1214,1189,1628,1507,6387,5737,2390,1720,1407,1410,1289,1247,1554,1558,29984,29985,29985,29986,29986,29987,29993,29994,29994,29992,29992,29993,29993,29994,29994,29995,29995,29996]} 1. Nf3 {[%emt 0:00:07] Bulletin} e6 {[%emt 0:01:24]} 2. g3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:38]} 3. Bg2 {[%emt 0:00:07]} d5 {[%emt 0:00:26]} 4. c4 {[%emt 0:00:02]} c5 {[%emt 0:03:34]} 5. O-O {[%emt 0:03:05]} Nc6 {[%emt 0:05:54]} 6. d4 {[%emt 0:00:31]} dxc4 {[%emt 0:09:50]} 7. Ne5 {[%emt 0:02:48]} Bd7 {[%emt 0:20:25]} 8. Nxd7 {[%emt 0:17:07] E04: Open Catalan: 5 Nf3.} Qxd7 {[%emt 0:01:11]} 9. dxc5 {[%emt 0:02:28]} Bxc5 {[%emt 0:09:59]} 10. Qa4 {[%emt 0:04:42] The position is equal.} Rc8 {[%emt 0:14:15]} 11. Nc3 {[%emt 0:07:22] [#]} h6 $146 {[%emt 0:16:24]} (11... Nd8 $11) ({Predecessor:} 11... Nd4 12. Qxd7+ Nxd7 13. Bxb7 Rb8 14. Ba6 Bb4 15. Bxc4 Bxc3 16. bxc3 Nc2 17. Bf4 e5 {0-1 (40) Hirn,O-Keller,M (2225) Bayern 1995 EXT 1999 [Bulletin]}) 12. Bf4 {[%emt 0:07:44]} (12. Rd1 $14 {was preferrable.} Qe7 13. Qxc4) 12... O-O $11 {[%emt 0:02:32]} 13. Rad1 {[%emt 0:00:08]} Qe7 {[%emt 0:01:04]} 14. Qxc4 {[%emt 0:01:52]} e5 {[%emt 0:04:02]} 15. Bc1 {[%emt 0:02:29]} a6 {[%emt 0:01:12]} (15... Nd4 $11 {is superior.}) 16. e3 {[%emt 0:00:27]} b5 {[%emt 0:00:52]} 17. Qe2 {[%emt 0:00:11]} Qe6 {[%emt 0:03:10]} 18. Nd5 {[%emt 0:03:28]} Nxd5 {[%emt 0:00:49]} 19. Bxd5 {[%emt 0:00:01]} Qg6 {[%emt 0:00:14]} 20. a3 {[%emt 0:00:55] Inhibits Nb4.} (20. Bg2 $5 {[%cal Ra2a4]}) 20... Kh8 {[%emt 0:01:46]} (20... e4 $14) 21. b4 $16 {[%emt 0:00:01]} Ba7 {[%emt 0:00:36]} 22. Qf3 {[%emt 0:01:06]} f5 {[%emt 0:00:35]} 23. Bb2 {[%emt 0:00:36]} e4 {[%emt 0:00:19]} 24. Qe2 {[%emt 0:01:10]} Bb8 {[%emt 0:00:38]} 25. Rc1 {[%emt 0:01:30]} Ne7 {[%emt 0:00:36] White now steadily converts the win.} 26. Bb3 {[%emt 0:00:32]} Rcd8 {[%emt 0:00:19]} (26... Rce8 $14) 27. Rfd1 {[%emt 0:01:46]} Bd6 {[%emt 0:00:32]} (27... Kh7 $16) 28. Rd2 $18 {[%emt 0:01:57]} Rde8 {[%emt 0:00:37]} (28... Bb8 $142 29. Rcd1 Rd6 30. Rxd6 Bxd6) 29. Rcd1 {[%emt 0:00:04]} Nc8 {[%emt 0:00:25]} 30. Bd5 {[%emt 0:00:55] A strong pair of Bishops.} (30. h4 $18 Be5 31. Bxe5 Rxe5 32. Rd7) 30... Re7 {[%emt 0:00:17]} (30... Nb6 $16 {was worth a try.}) 31. Rc2 {[%emt 0:01:38]} f4 $2 {[%emt 0:00:47] [#]} (31... Nb6 $16 {keeps fighting.} 32. Rc6 Nxd5) 32. exf4 {[%emt 0:01:54]} e3 {[%emt 0:00:29]} 33. Rc6 {[%emt 0:01:37][%cal Bc2c6,Bc6h6,Bh6a6,Ba6d6][%mdl 32] Against Nb6} ({Less strong is} 33. fxe3 Bxf4 34. Rd3 (34. Rc6 Bxe3+ 35. Qxe3 Qxc6 $16) 34... Be5 35. Bxe5 Rxe5 $18) 33... exf2+ {[%emt 0:00:23]} (33... Rc7 $142 34. fxe3 Rxc6) 34. Qxf2 {[%emt 0:00:00]} Qf5 {[%emt 0:00:35]} 35. Bg2 {[%emt 0:00:24]} Rd8 {[%emt 0:00:33]} 36. Be5 {[%emt 0:02:46]} Bc7 $2 {[%emt 0:00:11]} (36... Red7 37. Bd4 Bc7 38. Rxc7 Rxc7) 37. Rxd8+ {[%emt 0:00:26]} Bxd8 {[%emt 0:00:03]} 38. Rxh6+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:48]} 39. Bd5+ {[%emt 0:00:28]} Rf7 {[%emt 0:00:08]} 40. Rxa6 {[%emt 0:01:28]} Ne7 {[%emt 0:00:57]} 41. Be6 {[%emt 0:00:32]} Qb1+ {[%emt 0:00:19]} 42. Qf1 {[%emt 0:00:45]} Qe4 {[%emt 0:00:31]} 43. Qxb5 {[%emt 0:05:25] [#] Strongly threatening Rd6.} Kf8 {[%emt 0:00:38]} 44. Bxf7 {[%emt 0:00:17]} Kxf7 {[%emt 0:00:13]} 45. Rd6 {[%emt 0:01:38]} ({Stronger than} 45. Qd7 Qe1+ 46. Kg2 Qe2+ 47. Kh3 Qh5+ 48. Kg2 Qe2+ 49. Kg1 Qe1+ 50. Kg2 Qe2+ $11) 45... Qe1+ {[%emt 0:01:12]} 46. Kg2 {[%emt 0:01:24] Threatening mate with Qc4+.} Qe4+ {[%emt 0:00:13]} 47. Kf2 {[%emt 0:00:20]} Qc2+ {[%emt 0:00:50]} 48. Qe2 {[%emt 0:00:34]} Qc8 {[%emt 0:00:17]} 49. Qh5+ {[%emt 0:00:27] White mates.} Kg8 {[%emt 0:00:45]} 50. Qe8+ {[%emt 0:00:04]} Kh7 {[%emt 0:00:05]} 51. Qxd8 {[%emt 0:01:21]} Qh3 {[%emt 0:00:21]} 52. Qxe7 {[%emt 0:00:45][%csl Ge5][%cal Re7g7]} Qxh2+ {[%emt 0:00:06]} 53. Ke3 {[%emt 0:00:16][%csl Ge5][%cal Re7g7]} Qxg3+ {[%emt 0:01:07]} 54. Kd4 {[%emt 0:00:04]} Qf2+ {[%emt 0:00:12]} 55. Kc4 {[%emt 0:00:01][%csl Ge5][%cal Re7g7]} Qe2+ {[%emt 0:00:55]} 56. Kb3 {[%emt 0:01:03][%csl Ge5][%cal Re7g7]} Qe3+ {[%emt 0:00:12]} 57. Ka4 {[%emt 0:00:18] Weighted Error Value: White=0.24 (precise) /Black=0.37} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.24"]
[White "Diaz Guerrero, Jesus Daniel"]
[Black "Paredes Guzman, Francisco Javier"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1518"]
[BlackElo "1891"]
[Annotator "NA RC"]
[PlyCount "50"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:04:00]} c5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:10]} d6 {[%emt 0:00:03]} 3. d4 {[%emt 0:00:51]} cxd4 {[%emt 0:00:25]} 4. Nxd4 {[%emt 0:00:35]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:32]} a6 {[%emt 0:00:03]} 6. Be2 {[%emt 0:00:12]} e5 {[%emt 0:00:04]} 7. Nb3 {[%emt 0:00:04]} Be6 {[%emt 0:01:36]} 8. f4 {[%emt 0:01:33]} exf4 {[%emt 0:00:54]} 9. Bxf4 {[%emt 0:00:09]} Be7 {[%emt 0:00:44]} 10. Qd3 {[%emt 0:01:11]} Nc6 {[%emt 0:03:13]} 11. O-O-O {[%emt 0:00:15]} Ne5 {[%emt 0:02:19]} 12. Qg3 {[%emt 0:01:16]} Qc7 {[%emt 0:08:44]} 13. Bxe5 {[%emt 0:05:16]} dxe5 {[%emt 0:00:04]} 14. Nd5 {[%emt 0:01:27]} Nxd5 {[%emt 0:05:52]} 15. exd5 {[%emt 0:00:10]} Bf5 {[%emt 0:00:04]} 16. Bd3 {[%emt 0:00:27]} Bxd3 {[%emt 0:00:35]} 17. Qxd3 {[%emt 0:01:21]} Bd6 {[%emt 0:00:08]} 18. Nd2 {[%emt 0:00:31]} O-O {[%emt 0:01:48]} 19. Rhf1 {[%emt 0:00:59]} Rad8 {[%emt 0:13:16]} 20. g4 {[%emt 0:03:47]} f6 {[%emt 0:05:55]} 21. Ne4 {[%emt 0:07:01]} Qe7 {[%emt 0:00:43]} 22. Rf3 {[%emt 0:01:53]} Rf7 {[%emt 0:01:31]} 23. Rdf1 {[%emt 1:08:20]} Rdf8 {[%emt 0:00:14]} 24. R3f2 {[%emt 0:00:00]} g6 {[%emt 0:15:30]} 25. h4 {[%emt 0:00:00]} f5 {[%emt 0:39:04]} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.25"]
[White "Ramirez Toledo, Ayleen Maribel"]
[Black "Avila Fraire, Ameyalli"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1810"]
[BlackElo "1955"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,56,0,7,0,0,-29,-16,-39,-35,-57,-34,-40,-35,-41,-24,-31,-28,-34,-35,-54,-18,-59,-28,-30,-24,-23,-12,-18,-17,-10,-14,-9,-9,-35,-18,-23,-24,-24,-24,-25,0,-24,0,-27,0,-21,0,-25,133]} 1. Nf3 {[%emt 0:00:02]} c5 {[%emt 0:04:52]} 2. g3 {[%emt 0:00:32]} Nc6 {[%emt 0:00:14]} 3. d4 {[%emt 0:00:24]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:04]} e5 {[%emt 0:00:10]} 5. Nxc6 {[%emt 0:01:02]} dxc6 {[%emt 0:00:11]} 6. Qxd8+ {[%emt 0:01:51] A04: Unusual lines after 1 Nf3 and King's Indian Attack.} Kxd8 {[%emt 0:00:08]} 7. Bg2 {[%emt 0:00:05]} Nf6 {[%emt 0:01:06]} 8. O-O {[%emt 0:00:44][%cal Bh1f1,Bf1d1,Bd1d2][%mdl 32] The position is equal.} Kc7 {[%emt 0:00:17]} 9. c4 {[%emt 0:01:38] [#]} Bc5 $146 {[%emt 0:03:19]} ({Predecessor:} 9... Be6 10. b3 Nd7 11. Bb2 f6 12. Nc3 h5 13. Ne4 h4 14. Rfd1 hxg3 15. hxg3 a5 {0-1 (31) Vinokur,L (1684)-Ashrafzianov,I (2004) Pardubice 2018}) 10. Nc3 {[%emt 0:02:42]} Be6 {[%emt 0:05:32]} 11. b3 {[%emt 0:01:19]} Nd7 {[%emt 0:03:12]} 12. Bb2 {[%emt 0:04:12]} f6 {[%emt 0:00:28]} 13. Rfd1 {[%emt 0:08:04]} a5 {[%emt 0:01:44]} 14. Na4 {[%emt 0:05:29][%cal Od1d7] [#] Threatens to win with Rxd7+!} Be7 {[%emt 0:03:39]} 15. Rd2 {[%emt 0:04:32]} Rhd8 {[%emt 0:09:55]} 16. Rad1 {[%emt 0:05:56]} Bb4 {[%emt 0:01:22]} 17. Bc3 {[%emt 0:04:41]} Bxc3 {[%emt 0:05:37]} 18. Nxc3 {[%emt 0:00:20]} Nc5 {[%emt 0:00:19]} 19. Rxd8 {[%emt 0:13:59]} Rxd8 {[%emt 0:00:07]} 20. Rxd8 {[%emt 0:00:07]} Kxd8 $11 {[%emt 0:00:04][%mdl 4096] Endgame KBN-KBN} 21. Kf1 {[%emt 0:00:37]} Kc7 {[%emt 0:00:28]} 22. Ke1 {[%emt 0:01:08]} Kd6 {[%emt 0:12:49]} 23. Kd2 {[%emt 0:04:20]} Bf5 {[%emt 0:02:02]} 24. Ke3 {[%emt 0:15:31]} Bc2 {[%emt 0:11:31]} 25. Kd2 {[%emt 0:00:23]} Bf5 {[%emt 0:00:30]} 26. Ke3 {[%emt 0:00:13]} Bc2 {[%emt 0:09:11]} 27. Kd2 {[%emt 0:00:15]} Bf5 {[%emt 0:08:26]} 28. Ke3 {[%emt 0:00:15]} e4 $2 {[%emt 0:17:11] Weighted Error Value: White=0.09 (flawless) /Black=0.12 (very precise)} ({Black should play} 28... h6 $11) 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.26"]
[White "Guillen Cristobal, Sandra N"]
[Black "Mora Velasco, Alma Jaqueline"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1933"]
[BlackElo "1780"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,99,45,85,58,52,62,55,10,11,6,6,6,5,0,40,0,79,56,67,65,93,76,199,190,180,197,191,186,240,166,162,163,169,166,191,181,193,196,230,234,247,243,246,227,245,241,251,256,265,270,271,271,271,262,262,260,310,289,380,355,393,387,389,374,399,392,546,534,475,356,450,381,389,377,377,358,414,402,590,584,783,786,1608,1333,29978,29980,29979,29980,29972,29973,29986,29987]} 1. e4 {[%emt 0:00:03]} d5 {[%emt 0:00:10]} 2. exd5 {[%emt 0:00:05]} Qxd5 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:01:29]} Qa5 {[%emt 0:00:17]} 4. Nf3 {[%emt 0:00:25]} Nf6 {[%emt 0:01:11]} 5. Bc4 {[%emt 0:01:17]} g6 {[%emt 0:04:34]} 6. O-O {[%emt 0:00:16] B01: Scandinavian Defence.} Bg7 {[%emt 0:00:13]} 7. d4 {[%emt 0:02:37]} O-O {[%emt 0:02:25]} 8. Qe2 {[%emt 0:01:42] [#] White is slightly better.} Bg4 $146 {[%emt 0:05:10]} ({Predecessor:} 8... e6 9. Be3 c6 10. Rfd1 b5 11. Bd3 Nbd7 12. Ne5 Bb7 13. f4 Rfd8 14. g4 Qc7 {1-0 (58) Algunerhan,S (1688)-Guven,O (1889) Canakkale 2016}) 9. h3 {[%emt 0:04:05]} Bxf3 {[%emt 0:01:48]} 10. Qxf3 {[%emt 0:00:12]} Nc6 {[%emt 0:01:17]} 11. Be3 {[%emt 0:01:31]} Qb4 {[%emt 0:03:46]} 12. Bb3 {[%emt 0:00:33]} e5 {[%emt 0:13:30]} (12... Nxd4 $11 13. Bxd4 Qxd4) 13. dxe5 {[%emt 0:05:03]} Nxe5 {[%emt 0:00:42]} 14. Qe2 {[%emt 0:02:59]} Qe7 {[%emt 0:08:15]} 15. Rfe1 {[%emt 0:00:51]} Nc6 {[%emt 0:02:50] Loses the game.} (15... Rfe8 $16) 16. Qb5 $18 {[%emt 0:00:19] aiming for Bc5.} Rfe8 {[%emt 0:05:11]} 17. Qxb7 {[%emt 0:01:09]} Na5 {[%emt 0:01:12]} 18. Qb5 {[%emt 0:01:11]} Qe5 {[%emt 0:03:47]} (18... Nxb3 $142 19. axb3 Ne4) 19. Qxe5 {[%emt 0:01:10]} Rxe5 {[%emt 0:00:07]} 20. Bf4 {[%emt 0:00:43] This bishop pair is nice.} Rxe1+ {[%emt 0:01:16]} 21. Rxe1 {[%emt 0:00:08]} c5 {[%emt 0:03:27]} 22. Re7 $36 {[%emt 0:01:35][%mdl 2048] White is on the roll.} Nxb3 {[%emt 0:03:31]} 23. axb3 {[%emt 0:00:50]} a6 {[%emt 0:03:04]} 24. Rc7 {[%emt 0:00:22]} Bf8 {[%emt 0:01:31]} 25. Be3 {[%emt 0:00:51]} Rd8 {[%emt 0:02:09]} 26. Bxc5 {[%emt 0:06:51]} Bxc5 {[%emt 0:00:41]} 27. Rxc5 {[%emt 0:00:10][%mdl 4096] Endgame KRN-KRN} Rd2 {[%emt 0:00:26]} 28. Rc6 {[%emt 0:00:14][%csl LRa6,LRf6]} Nh5 {[%emt 0:01:43]} 29. Ne4 {[%emt 0:00:44]} ({Don't do} 29. Rxa6 $6 Rxc2 30. Ra2 Nf4 $16) 29... Rd1+ {[%emt 0:01:02]} 30. Kh2 {[%emt 0:00:10]} Rb1 {[%emt 0:00:44]} 31. Rxa6 {[%emt 0:00:24] Black must now prevent c4.} Rxb2 {[%emt 0:00:08]} 32. Rc6 {[%emt 0:00:13]} h6 {[%emt 0:02:44]} 33. Rc4 {[%emt 0:01:33] [#] Strongly threatening g4.} f5 {[%emt 0:01:12]} 34. Nc5 {[%emt 0:00:17]} Kf7 {[%emt 0:00:29]} 35. Nd3 {[%emt 0:00:15]} Rb1 {[%emt 0:00:49]} 36. b4 {[%emt 0:00:39][%cal Bb3b4,Bb4b5][%mdl 32]} g5 {[%emt 0:05:12]} 37. Rd4 {[%emt 0:00:56]} Ke6 {[%emt 0:00:31]} 38. c4 {[%emt 0:00:28]} Nf6 {[%emt 0:00:35]} 39. f3 {[%emt 0:02:09] Inhibits Ne4.} h5 {[%emt 0:00:36]} 40. b5 {[%emt 0:01:30]} h4 {[%emt 0:01:03]} 41. g4 {[%emt 1:03:01] Prevents Nh5.} hxg3+ {[%emt 0:02:01]} 42. Kxg3 {[%emt 0:00:00]} Nh5+ {[%emt 0:01:13]} 43. Kf2 {[%emt 0:00:00]} f4 {[%emt 0:00:53]} (43... Nf6 $142 44. h4 g4) 44. Rd5 {[%emt 0:00:00]} Kf6 {[%emt 0:01:05]} 45. h4 {[%emt 0:00:00][%cal Bh3h4,Bh4g5][%mdl 32]} Ra1 {[%emt 0:05:36]} 46. hxg5+ {[%emt 0:00:00]} Kg6 {[%emt 0:00:39]} 47. b6 {[%emt 0:00:00] White mates.} Ra2+ {[%emt 0:00:23]} 48. Ke1 {[%emt 0:00:00]} Ra1+ {[%emt 0:01:38]} 49. Kd2 {[%emt 0:00:00]} Rb1 {[%emt 0:00:19]} 50. Rb5 {[%emt 0:00:00] Weighted Error Value: White=0.12 (very precise) /Black=0.44} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "6.27"]
[White "Real Pereyra, Diana Carime"]
[Black "Flores Rodriguez, Astrid Aphril"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "2049"]
[BlackElo "1662"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,82,27,31,12,25,-4,-3,-7,-6,-8,0,0,0,-12,-8,-31,0,-55,-51,-116,-116,-127,-99,-127,-95,-99,-101,-149,-63,-148,-139,-136,-86,-170,-120,-154,-122,-123,-121,-135,-102,-210,-80,-82,-16,-17,-12,-48,-45,-251,-252,-393,-223,-549,-301,-297,-283,-286,-276,-672,-659,-4982,-2413,-5820,-5631,-29986,-29987,-29990,0,0,0,-29990,-1290,-29990,-29991]} 1. e4 {[%emt 0:02:56]} c5 {[%emt 0:00:05]} 2. Nc3 {[%emt 0:01:35]} e6 {[%emt 0:00:16]} 3. Nf3 {[%emt 0:00:19]} a6 {[%emt 0:00:32]} 4. d4 {[%emt 0:00:29]} cxd4 {[%emt 0:00:10]} 5. Nxd4 {[%emt 0:00:10]} Qc7 {[%emt 0:00:11]} 6. Nb3 {[%emt 0:00:26] B43: Sicilian: Kan Variation: 5 Nc3.} Nf6 {[%emt 0:01:12]} 7. Bd3 {[%emt 0:01:04]} b5 {[%emt 0:00:58]} 8. O-O {[%emt 0:01:35] The position is equal.} Bb7 {[%emt 0:00:21]} 9. Qe2 {[%emt 0:04:12]} d6 {[%emt 0:01:24]} 10. f4 {[%emt 0:00:37]} Nbd7 {[%emt 0:03:08]} 11. Bd2 {[%emt 0:01:27]} Be7 {[%emt 0:04:29]} 12. Rae1 {[%emt 0:10:29]} (12. a4 $5 {[%cal Ra4b5]}) 12... e5 {[%emt 0:04:42]} 13. f5 {[%emt 0:03:04]} (13. a3 $11) 13... O-O {[%emt 0:05:06] [#]} 14. Qf3 $146 {[%emt 0:06:06]} (14. a3 $15) ({Predecessor:} 14. Kh1 Rfd8 15. Nd5 Bxd5 16. Ba5 Nb6 17. exd5 Qb7 18. Bxb6 Qxb6 19. Qf3 h6 20. c3 {0-1 (48) Danaci,E (1705)-Karaoglan,D (2130) Konya 2017}) 14... b4 $1 $17 {[%emt 0:04:48]} 15. Nd1 {[%emt 0:02:13]} d5 {[%emt 0:00:59] Inhibits c4.} 16. Nf2 {[%emt 0:09:29]} Rfd8 {[%emt 0:12:06]} 17. exd5 {[%emt 0:09:37]} Bxd5 {[%emt 0:06:38]} 18. Qh3 {[%emt 0:03:51]} (18. Qg3 $142) 18... Nc5 {[%emt 0:05:29]} (18... a5 $1 $17 {Threatens to win with ...a4.} 19. Be3 e4) 19. Be3 {[%emt 0:11:16]} (19. Nxc5 $15 Bxc5 20. Bg5) 19... Nxd3 {[%emt 0:06:54]} 20. cxd3 {[%emt 0:02:43]} Qc2 {[%emt 0:06:56]} ({Black should play} 20... a5 21. Rc1 Qb8) 21. Bb6 {[%emt 0:05:04]} (21. Rb1 $17) 21... Rd7 {[%emt 0:04:07]} ({Stronger than} 21... Qxb2 22. Bxd8 Bxd8 23. d4 exd4 24. Nc1 $17) ({Better is} 21... Rdb8 $19 22. Rxe5 Rxb6 23. Rxe7 Qxb2) 22. Rxe5 {[%emt 0:03:06]} Bxb3 {[%emt 0:02:27]} 23. axb3 {[%emt 0:00:16]} Qxb2 {[%emt 0:01:09]} 24. Rfe1 {[%emt 0:05:24]} Rc8 {[%emt 0:02:55][%cal Oh7h6]} 25. g4 {[%emt 0:06:32] [#]} (25. d4 $17 {was worth a try.}) 25... Bd6 {[%emt 0:10:40]} (25... h6 $1 $19 {has better winning chances. Hoping for ...Bd6.} 26. d4 (26. Rxe7 Rxe7 27. Rxe7 Nd5 $17) 26... Bd6) 26. R5e2 {[%emt 0:00:39] [#]} Qc3 {[%emt 0:01:21]} (26... Qxb3 $2 27. g5 Re7 28. gxf6 (28. Rxe7 Bxe7 29. Bd4 Bc5 $18) 28... Rxe2 29. Rxe2 $18) (26... Rc2 $1 $17 {[%cal Rc2e2]} 27. Rxc2 Qxc2) 27. g5 $11 {[%emt 0:02:09]} Nd5 {[%emt 0:06:07]} 28. g6 {[%emt 0:03:49]} h6 {[%emt 0:02:07]} 29. Re8+ $2 {[%emt 0:02:38]} (29. Be3 $15) 29... Rxe8 $19 {[%emt 0:00:09]} 30. Rxe8+ {[%emt 0:00:02]} Bf8 {[%emt 0:00:19][%cal Bd6f8,Bf8c5,Bc5d4][%mdl 32]} 31. Bd8 $2 {[%emt 0:01:42]} (31. Be3 {was the crucial defense.} Re7 32. gxf7+ Rxf7 33. Qf3) 31... Qc1+ {[%emt 0:02:41]} 32. Qf1 {[%emt 0:00:14]} Qc8 {[%emt 0:00:42]} 33. gxf7+ {[%emt 0:00:11]} Kxf7 {[%emt 0:02:02]} 34. Qe2 {[%emt 0:00:03]} (34. Qe1 Nf4 35. Rxf8+ Kxf8 36. Qxb4+ Kg8 37. Qxf4 Qxd8 38. Qc4+ Kh7 39. Qg4) 34... Qc1+ {[%emt 0:01:28]} 35. Nd1 {[%emt 0:00:05][%csl Ge8,Gf5][%cal Re2e6]} Bc5+ {[%emt 0:00:18]} 36. d4 {[%emt 0:01:01]} Bxd4+ {[%emt 0:00:21]} 37. Kh1 {[%emt 0:00:01]} Nf4 {[%emt 0:01:35]} 38. Re7+ {[%emt 0:00:32]} Kf8 {[%emt 0:01:05]} 39. Re8+ {[%emt 0:00:28]} Kf7 {[%emt 0:00:04]} 40. Re7+ {[%emt 0:00:05]} Kg8 {[%emt 0:02:29]} (40... Rxe7 $142 41. Qxe7+ Kg8 42. Qe8+ Kh7 43. Qg6+ Nxg6 44. fxg6+ Kxg6 45. h4 Qxd1+ 46. Kh2 Qe2+ 47. Kh3 Qf1+ 48. Kg4 h5+ 49. Kg3 Be5#) 41. Re8+ Kh7 {[%mdl 32768] Weighted Error Value: White=0.98/Black=0.50. An unexpected result.} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.1"]
[White "Cori, Jorge"]
[Black "Obregon Rivero, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2650"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,52,16,11,4,0,13,0,0,-13,9,0,4,0,0,-9,-18,-10,-16,-16,11,16,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 {[%emt 0:00:18]} g6 {[%emt 0:01:33]} 2. g3 {[%emt 0:00:21]} Bg7 {[%emt 0:00:13]} 3. Bg2 {[%emt 0:00:05]} c5 {[%emt 0:01:05]} 4. Nc3 {[%emt 0:00:47]} Nc6 {[%emt 0:00:26]} 5. Nf3 {[%emt 0:00:06]} d6 {[%emt 0:01:21]} 6. O-O {[%emt 0:00:11]} e6 {[%emt 0:01:54]} 7. a3 {[%emt 0:00:14]} Nge7 {[%emt 0:01:28]} 8. Rb1 {[%emt 0:00:21]} O-O {[%emt 0:04:05]} 9. b4 {[%emt 0:01:16] The position is equal.} b6 {[%emt 0:14:27] A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} 10. Bb2 {[%emt 0:09:16]} Bb7 {[%emt 0:01:33] [#]} 11. Ba1 $146 {[%emt 0:05:29]} ({Predecessor:} 11. d3 Qd7 12. bxc5 dxc5 13. Qd2 Rad8 14. Ne4 e5 15. Ba1 Ba8 16. Nc3 h6 17. Rfd1 {1-0 (34) Belous,V (2532)-Martinez Alcantara,J (2623) Chess.com INT 2020}) 11... Qd7 {[%emt 0:01:15]} 12. d3 {[%emt 0:00:08]} Rad8 {[%emt 0:03:12]} 13. e3 {[%emt 0:04:37]} Ne5 {[%emt 0:06:22]} 14. Nxe5 {[%emt 0:05:41]} Bxe5 {[%emt 0:00:26]} 15. Qe2 {[%emt 0:01:03]} Bxg2 {[%emt 0:08:17]} 16. Kxg2 {[%emt 0:00:04]} Bg7 {[%emt 0:00:54]} 17. Rfd1 {[%emt 0:01:11]} cxb4 {[%emt 0:13:32]} 18. axb4 {[%emt 0:00:48]} d5 {[%emt 0:00:08]} 19. cxd5 {[%emt 0:02:23]} Nxd5 {[%emt 0:00:33]} 20. Nxd5 {[%emt 0:05:40]} Qxd5+ {[%emt 0:00:08]} 21. Qf3 {[%emt 0:00:03]} Qb5 {[%emt 0:02:57]} 22. Bxg7 {[%emt 0:00:18]} Kxg7 {[%emt 0:00:02]} 23. d4 {[%emt 0:00:09]} Rd7 {[%emt 0:00:29]} 24. Rdc1 {[%emt 0:01:01]} e5 {[%emt 0:02:36]} 25. dxe5 $1 {[%emt 0:02:34]} ({But not} 25. Rc6 exd4 26. Qf6+ Kg8 27. exd4 {[#]} Rxd4 $1 $17) 25... Qxe5 {[%emt 0:00:42]} 26. Rc6 {[%emt 0:00:57]} Re8 {[%emt 0:01:48] An interesting draw.  Weighted Error Value: White=0.03 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.2"]
[White "Mareco, Sandro"]
[Black "Salinas Herrera, Pablo"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2643"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,61,11,17,6,22,14,6,14,9,10,8,9,9,8,6,16,8,0,0,3,212,214,209,213,310,298,362,156,159,156,244,233,239,233,729,753,860,846,1208,1034,1253,1243,1227,1217,1510,1191,1886,1079,29995,2741]} 1. c4 {[%emt 0:00:02]} Nf6 {[%emt 0:02:14]} 2. Nf3 {[%emt 0:00:20]} c6 {[%emt 0:00:07]} 3. d4 {[%emt 0:00:10]} d5 {[%emt 0:00:04]} 4. Nc3 {[%emt 0:00:04]} e6 {[%emt 0:00:21]} 5. Bg5 {[%emt 0:00:06]} Nbd7 {[%emt 0:00:25]} 6. e3 {[%emt 0:00:05]} Qa5 {[%emt 0:00:09]} 7. Nd2 {[%emt 0:00:07]} Bb4 {[%emt 0:01:30]} 8. Rc1 {[%emt 0:00:09] D52: Queen's Gambit Declined: Cambridge Springs Variation.} Ne4 {[%emt 0:04:08]} 9. Ndxe4 {[%emt 0:00:05]} dxe4 {[%emt 0:00:07]} 10. Bh4 {[%emt 0:00:03] The position is equal.} Qxa2 {[%emt 0:05:10]} 11. Qc2 {[%emt 0:00:04]} Nb6 $1 {[%emt 0:02:28]} 12. Be2 {[%emt 0:00:03] aiming for 0-0.} Na4 $1 {[%emt 0:02:30]} 13. O-O {[%emt 0:00:06]} Bxc3 {[%emt 0:00:36]} 14. bxc3 {[%emt 0:00:06]} Nxc3 {[%emt 0:01:02]} 15. Qxc3 {[%emt 0:00:03]} Qxe2 {[%emt 0:00:07]} 16. Qa3 {[%emt 0:00:04][%csl Gh4][%cal Ra3e7] [#]} c5 $146 {[%emt 0:16:55] Loses the game.} (16... f6 $11 {and Black is okay.}) ({Predecessor:} 16... f6 17. f3 c5 18. Rfe1 Qd3 19. Qxc5 exf3 20. e4 Rf8 21. Qh5+ g6 22. Qb5+ Kf7 {½-½ (33) Basso,P (2551)-Mastrovasilis,A (2523) Thessaloniki 2021}) 17. Qxc5 $18 {[%emt 0:17:10][%csl Gh4][%cal Rc5e7]} f6 {[%emt 0:00:06] [#]} 18. h3 $40 {[%emt 0:40:51][%mdl 1152] Against Qg4. White has strong compensation. White wants a kill.} g5 {[%emt 0:40:35]} (18... h5 $142 19. Rfe1 Qb2) 19. Bg3 {[%emt 0:00:10]} Rf8 {[%emt 0:00:19]} 20. Qb5+ {[%emt 0:12:28]} (20. Bd6 $18 {and the rest is easy.} Rf7 {[#]} 21. Bb8 $1) 20... Kf7 $16 {[%emt 0:00:26]} 21. Rce1 {[%emt 0:00:06] &Bianco is more active.} Qd3 {[%emt 0:01:32]} (21... Qa2 $16 22. f4 a6) 22. f4 $18 {[%emt 0:04:31]} exf3 {[%emt 0:04:37]} 23. Rxf3 {[%emt 0:00:05] Qxg5 is the strong threat.} Kg6 {[%emt 0:01:51]} (23... Kg8 $2 24. Bd6 Qg6 25. Bxf8 Kxf8 26. e4 $18) (23... Qg6 24. Bd6 Rd8) 24. Bd6 {[%emt 0:02:10]} a6 {[%emt 0:00:36]} 25. Qb6 {[%emt 0:00:08]} Rg8 {[%emt 0:03:25]} 26. Qc7 {[%emt 0:06:59]} f5 {[%emt 0:03:43]} 27. Be5 {[%emt 0:01:10] White threatens Qe7 and mate.} Qe4 {[%emt 0:00:25]} 28. Qe7 {[%emt 0:00:40] Qf6+ would kill now.} Kh6 {[%emt 0:01:33]} 29. Qf7 {[%emt 0:02:35] Threatening mate with h4.} Rg6 {[%emt 0:00:23]} 30. Bd6 {[%emt 0:00:15] Intending Bf8+ and mate.} g4 {[%emt 0:01:08]} 31. Bf4+ {[%emt 0:00:22] Weighted Error Value: White=0.19 (very precise) /Black=0.81} (31. Bf8+ $142 Kg5 32. Qe7+ Kh5 33. Qxh7+ Kg5 34. h4+ Kf6 35. Qe7#) 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.3"]
[White "Fernandez Hernandez, Arturo A."]
[Black "Hernandez Guerrero, Gilberto"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2376"]
[BlackElo "2564"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,55,22,28,16,20,19,22,19,0,22,10,23,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,47,60,52,56,70,61,67,4,4,-145,83,-70]} 1. d4 {[%emt 0:00:35]} Nf6 {[%emt 0:00:24]} 2. Nf3 {[%emt 0:00:20]} g6 {[%emt 0:01:01]} 3. c4 {[%emt 0:00:51]} Bg7 {[%emt 0:00:10]} 4. g3 {[%emt 0:00:12]} O-O {[%emt 0:00:18]} 5. Bg2 {[%emt 0:00:05]} c5 {[%emt 0:01:48]} 6. O-O {[%emt 0:06:34]} cxd4 {[%emt 0:00:22]} 7. Nxd4 {[%emt 0:00:02]} Nc6 {[%emt 0:00:07][%cal Bb8c6,Bc6e5,Be5g4][%mdl 32]} 8. Nc3 {[%emt 0:00:25]} Qa5 {[%emt 0:00:31]} 9. Nc2 {[%emt 0:03:01] 9.e3 is a critical line.} d6 {[%emt 0:01:08]} 10. Nd5 {[%emt 0:02:26]} (10. e4 {is interesting.} Bg4 11. f3 Bd7 12. Rf2) 10... Nxd5 {[%emt 0:03:04] A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6.} 11. cxd5 {[%emt 0:00:16] [#] Threatens to win with Bd2.} Ne5 {[%emt 0:00:14]} 12. Bd2 {[%emt 0:02:14]} Qb6 {[%emt 0:01:58] The position is equal.} 13. Bc3 {[%emt 0:02:58]} Bd7 {[%emt 0:03:45]} 14. Bd4 {[%emt 0:05:23]} Qa6 {[%emt 0:00:35]} 15. f4 {[%emt 0:00:31]} Ng4 {[%emt 0:01:05]} 16. Bxg7 {[%emt 0:00:09]} Kxg7 {[%emt 0:00:16]} 17. Qd4+ {[%emt 0:00:12] [#]} Nf6 $146 {[%emt 0:02:21]} ({Predecessor:} 17... Kg8 18. Bf3 Rfc8 19. Ne3 Nxe3 20. Qxe3 Qb6 21. Qxb6 axb6 22. Rfc1 h5 23. Kf2 Bg4 24. a3 Bxf3 25. Kxf3 {½-½ (39) Dvirnyy,D (2568)-Zvjaginsev,V (2659) Rhodes 2013}) 18. e4 {[%emt 0:01:04] [#] aiming for e5.} Rfc8 {[%emt 0:04:37]} 19. Ne3 {[%emt 0:07:48][%cal Bc2e3,Be3d1,Bd1c3][%mdl 32] Hoping for e5.} Qb6 {[%emt 0:00:21]} 20. Qxb6 {[%emt 0:00:33]} axb6 {[%emt 0:00:07]} 21. a3 {[%emt 0:04:51]} Rc5 {[%emt 0:19:47]} 22. Rfc1 {[%emt 0:06:20]} Bb5 {[%emt 0:13:00]} (22... Ra4 $11 {should be considered.}) 23. Nd1 $14 {[%emt 0:10:07]} h5 {[%emt 0:11:53][%cal Bh7h5,Bh5h4][%mdl 32]} 24. Nc3 {[%emt 0:02:33]} Bd7 {[%emt 0:04:21][%cal Oh5h4]} 25. h3 {[%emt 0:02:21]} Rac8 {[%emt 0:29:47][%cal Oh5h4]} 26. Kf2 ({White should try} 26. Re1 $14) 26... h4 $11 27. Kg1 (27. g4 $11) 27... g5 $2 {[%emt 0:01:00]} (27... hxg3 $17 {And now ...Nh5 would win.} 28. Rf1 Rc4) 28. Rd1 $2 {Weighted Error Value: White=0.24 (precise) /Black=0.30} (28. fxg5 $16 Nh5 29. gxh4) 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.4"]
[White "Cordova, Emilio"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2534"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,60,0,0,0,0,0,0,0,0,0,0,0,-15,-19,-53,-15,-12,-11,-33,0,0,0,0,0,0,0,0,0,0,0,-4,-3,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-15,-16,-13,-13,-18,-20,-18,-17]} 1. Nf3 {[%emt 0:00:10]} d5 {[%emt 0:02:24][%cal Bd7d5,Bd5c4][%mdl 32]} 2. g3 {[%emt 0:00:14]} c6 {[%emt 0:00:29]} 3. Bg2 {[%emt 0:00:50]} Nf6 {[%emt 0:00:16]} 4. c4 {[%emt 0:01:41]} dxc4 {[%emt 0:01:13]} 5. O-O {[%emt 0:02:04]} Nbd7 {[%emt 0:00:52]} 6. Na3 {[%emt 0:02:44][%cal Bb1a3,Ba3c4,Bc4e5][%mdl 32]} Nb6 {[%emt 0:03:30]} 7. Qc2 {[%emt 0:04:01]} Be6 {[%emt 0:03:34][%cal Bc8e6,Be6g4,Bg4e2,Be2h5,Bh5f7][%mdl 32] A11: English Opening: 1...c6.} 8. Ng5 {[%emt 0:03:03]} Bg4 {[%emt 0:03:06]} 9. Nxc4 {[%emt 0:03:57]} Bxe2 {[%emt 0:05:47]} 10. Ne5 {[%emt 0:00:14]} Bh5 {[%emt 0:01:59]} 11. Re1 {[%emt 0:04:11][%cal Og3g4]} h6 {[%emt 0:05:06]} 12. Ngxf7 {[%emt 0:07:36]} Bxf7 {[%emt 0:00:10]} 13. b4 $1 {[%emt 0:00:11][%cal Ob4b5]} a6 {[%emt 0:02:39]} 14. a4 {[%emt 0:10:27][%cal Ba2a4,Ba4b5,Bb5c6,Bc6b7][%mdl 32]} g5 {[%emt 0:07:49] Hoping for ...Bg7.} 15. Rb1 {[%emt 0:05:18] [#] Strongly threatening b5.} Bg7 $146 {[%emt 0:03:05]} ({Predecessor:} 15... Rg8 16. b5 cxb5 17. Bxb7 Bd5 18. Bc6+ Bxc6 19. Qxc6+ Nbd7 20. d4 Qc8 21. Qf3 Rg7 {1-0 (38) Braun,A (2455)-Podvoysky,E (2331) LSS email 2015}) 16. b5 $1 {[%emt 0:00:41] The position is equal.} axb5 {[%emt 0:03:27]} 17. axb5 {[%emt 0:01:25]} Ra2 {[%emt 0:05:26]} 18. Nxf7 {[%emt 0:02:07]} Rxc2 {[%emt 0:00:27]} 19. Nxd8 {[%emt 0:00:07]} Kxd8 {[%emt 0:00:03]} 20. bxc6 {[%emt 0:00:07]} Nfd5 {[%emt 0:00:55]} 21. cxb7 {[%emt 0:00:28]} Kc7 {[%emt 0:00:14]} 22. Rb5 $132 {[%emt 0:02:23][%mdl 2048] White puts up resistance} Rd8 {[%emt 0:02:17]} 23. Ba3 {[%emt 0:00:56]} Bd4 {[%emt 0:03:36]} 24. Bxd5 {[%emt 0:02:37][%mdl 64] [#] Remove Defender. Chess con chili.} ({Reject} 24. Bxe7 Nxe7 25. Rxe7+ Kb8 $17) 24... Rxd5 {[%emt 0:01:58]} 25. Rxe7+ {[%emt 0:00:09]} ({Don't blunder} 25. Rxb6 $2 Bxb6 26. Rxe7+ Kb8 $19) 25... Kb8 {[%emt 0:01:32]} 26. Rxd5 {[%emt 0:01:19][%mdl 64] Remove Defender} Nxd5 {[%emt 0:00:07]} 27. Rd7 {[%emt 0:00:09] [#] Bd6+ is the strong threat.} Bc5 {[%emt 0:00:35]} 28. Bxc5 {[%emt 0:00:05]} Rxc5 {[%emt 0:00:05]} 29. Rd6 {[%emt 0:00:04]} h5 {[%emt 0:00:23][%cal Bh6h5,Bh5h4][%mdl 32]} 30. Rh6 {[%emt 0:00:06]} h4 {[%emt 0:00:21] A balanced but interesting game.  Weighted Error Value: White=0.03 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.5"]
[White "Galaviz Medina, Sion Radamantys"]
[Black "Quesada Perez, Luis Ernesto"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "2374"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,136,0,25,-22,-28,-27,-31,-77,-65,-53,-61,-66,-80,-129,-123,-114,-128,-126,-128,-116,-74,-169,-120,-122,-122,-129,-113,-125,-116,-129,-125,-271,-284,-298,-298,-297,-279,-301,-252,-252,-245,-268,-253,-257,-239,-257,-260,-269,-231,-420,-420,-550,-533,-500,-123,-145,-139,-140,-144,-145,-145,-130,-137,-132,-131,-164,-161,-174,-174,-208,-208,-214,-175,-169,0,-214,-213,-193,0,-180,-148,-166,-135,-163,-101,-96,-96,-112,-85,-88,-26,-111,-111,-111,-111,-243,-231,-250,-114,-263,-250,-252,-243,-577,-572,-600,-583,-787,-795,-815,-804,-778,-750,-827,-843,-794,-782,-1037,-1012,-955,-912,-758,-749,-703,-610,-729,-706]} 1. d4 {[%emt 0:00:04]} e6 {[%emt 0:00:13]} 2. c4 {[%emt 0:00:08]} f5 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:01:30]} Nf6 {[%emt 0:00:06]} 4. Nf3 {[%emt 0:01:16]} Bb4 {[%emt 0:00:38]} 5. g3 {[%emt 0:15:32]} b6 {[%emt 0:00:06]} 6. Bg2 {[%emt 0:01:02]} Bb7 {[%emt 0:00:12] [#]} 7. Qa4 $146 {[%emt 0:01:59] A84: Dutch Defence: 2 c4 Miscellaneous.} (7. Qb3 $142 Bxc3+ 8. Qxc3 (8. bxc3 Nc6 $11)) ({Predecessor:} 7. Bd2 O-O 8. O-O Qe8 9. Rc1 Bxc3 10. Bxc3 d6 11. d5 e5 12. Nd2 a5 13. h3 Na6 14. f4 exf4 15. gxf4 Nc5 16. Qe1 {0-1 (29) Gumularz,S (2518)-Karjakin,S (2752) Chess.com INT 2020}) 7... Bxc3+ $11 {[%emt 0:01:04]} 8. bxc3 {[%emt 0:00:08]} O-O {[%emt 0:00:06]} 9. d5 {[%emt 0:23:10]} (9. Bg5 $15 {might be stronger.}) 9... Ne4 {[%emt 0:17:14]} 10. Ba3 {[%emt 0:20:29]} Qf6 {[%emt 0:00:25]} 11. Rc1 {[%emt 0:00:06]} d6 {[%emt 0:09:46]} 12. Qc2 {[%emt 0:08:59]} (12. Nd4 $142 exd5 13. cxd5) 12... exd5 $17 {[%emt 0:24:05]} 13. cxd5 {[%emt 0:00:07]} Bxd5 {[%emt 0:00:12]} 14. c4 {[%emt 0:00:06]} Bb7 {[%emt 0:00:04] &Nero is more active.} 15. Bb2 {[%emt 0:00:27]} Qf7 {[%emt 0:00:13]} 16. h4 {[%emt 0:06:22]} (16. c5 $17) 16... Nd7 {[%emt 0:05:28]} ({Better is} 16... h6 $19 17. O-O Nc5) 17. Ng5 {[%emt 0:07:46]} Qe7 {[%emt 0:01:36]} 18. Nh3 {[%emt 0:01:20]} Ndf6 {[%emt 0:02:08]} 19. O-O {[%emt 0:02:10]} Rae8 {[%emt 0:00:06]} 20. Nf4 {[%emt 0:01:11]} Ng4 {[%emt 0:00:25][%cal Oe4g3] ...Nxg3! is the strong threat.} 21. Qb3 {[%emt 0:01:12] [#]} (21. Qd1 $17 {was necessary.}) 21... Nd2 $1 $19 {[%emt 0:01:04][%csl LRb3,LRf1] Pair of Knights!} 22. Bxb7 {[%emt 0:00:04]} (22. Qc3 Bxg2) 22... Nxb3 {[%emt 0:00:08]} 23. axb3 {[%emt 0:00:07]} a5 {[%emt 0:04:24]} 24. Bd4 {[%emt 0:02:08]} Nf6 {[%emt 0:02:22]} 25. Bc6 {[%emt 0:00:05]} Qf7 {[%emt 0:01:53]} 26. f3 {[%emt 0:00:58] [#]} Re5 $1 {[%emt 0:00:26]} 27. Kf2 {[%emt 0:00:46]} (27. Rcd1 Kh8) 27... Rb8 {[%emt 0:02:12]} 28. Rfd1 {[%emt 0:02:37]} Kh8 {[%emt 0:03:13]} 29. Rd3 {[%emt 0:01:41]} h6 {[%emt 0:06:16]} 30. h5 $2 {[%emt 0:01:24]} (30. Re1) 30... Nxh5 {[%emt 0:13:19]} 31. Bxe5 {[%emt 0:00:04]} dxe5 {[%emt 0:00:05]} 32. Rd7 {[%emt 0:00:05]} Qxd7 {[%emt 0:02:48]} 33. Bxd7 $17 {[%emt 0:00:05]} exf4 {[%emt 0:00:04]} 34. gxf4 $19 {[%emt 0:00:14][%mdl 4096] Endgame KRB-KRN} g6 {[%emt 0:00:20]} 35. Rh1 {[%emt 0:00:57][%cal Od7f5]} Kg7 $1 {[%emt 0:01:27]} ({And not} 35... Nxf4 36. Rh4 Nh5 37. Bxf5 $15) 36. Bxf5 {[%emt 0:00:26]} Nxf4 {[%emt 0:00:01]} 37. Be4 {[%emt 0:00:19]} Ne6 {[%emt 0:00:46]} 38. Rb1 {[%emt 0:00:53]} Nc5 {[%emt 0:00:36]} 39. Bc2 {[%emt 0:00:39]} Rd8 {[%emt 0:00:10]} 40. Ke3 {[%emt 0:00:07]} g5 {[%emt 0:00:23]} 41. Rg1 {[%emt 0:01:09]} Kf6 {[%emt 0:00:21]} 42. Rh1 {[%emt 0:01:03]} Kg7 {[%emt 0:01:21]} 43. Rg1 {[%emt 0:00:04]} Ne6 {[%emt 0:00:23] Prevents f4.} 44. Be4 {[%emt 0:00:27]} Nc5 {[%emt 0:01:00]} 45. Bc2 {[%emt 0:00:05]} Re8+ {[%emt 0:01:10]} 46. Kf2 {[%emt 0:00:05]} Re7 {[%emt 0:00:06]} 47. f4 {[%emt 0:01:34] [#]} Kf6 {[%emt 0:00:14]} (47... Rf7 $1 $19 {[%cal Rf7f4]} 48. e3 Kf8) 48. Rh1 $17 {[%emt 0:00:04]} gxf4 {[%emt 0:00:45] Strongly threatening ...Re3.} 49. Rxh6+ {[%emt 0:00:04]} Ke5 {[%emt 0:00:08] Threatens to win with ...Kd4.} 50. e3 {[%emt 0:01:12]} Rd7 {[%emt 0:02:43]} ({Black should play} 50... Rf7 $17) 51. exf4+ {[%emt 0:00:34]} (51. Rh5+ $11 Kf6 52. Ke2) 51... Kxf4 {[%emt 0:00:08] White must now prevent ...Rd2+. White is on the road to losing.} 52. Ke2 {[%emt 0:00:03] Against Rd2+} Rg7 {[%emt 0:01:10]} 53. Rh4+ {[%emt 0:01:15] [#]} (53. Rh3 $17) 53... Ke5 $1 $19 {[%emt 0:00:08]} 54. Kf2 {[%emt 0:00:35]} Na6 {[%emt 0:00:54]} (54... Rg5 $19 {is more deadly.} 55. Rh7 Kd4) 55. Re4+ {[%emt 0:00:02]} (55. Bd1 $17) 55... Kd6 {[%emt 0:00:10]} 56. Bd1 {[%emt 0:00:58]} Kc5 {[%emt 0:00:24]} 57. Re3 $2 {[%emt 0:00:23]} (57. Ke3 {is a better chance.}) 57... Kb4 {[%emt 0:00:10] Black is clearly winning.} 58. Rh3 {[%emt 0:00:28]} Nc5 {[%emt 0:00:10]} 59. Bc2 {[%emt 0:00:09]} Re7 {[%emt 0:00:33]} 60. Kf1 {[%emt 0:00:57]} Ka3 {[%emt 0:00:13]} 61. Bd1 {[%emt 0:00:22]} Kb2 {[%emt 0:00:12]} 62. Rh2+ {[%emt 0:00:26]} Kc1 {[%emt 0:01:44]} 63. Bc2 {[%emt 0:00:06]} Re3 {[%emt 0:00:08]} 64. Bg6 {[%emt 0:00:50]} Rxb3 {[%emt 0:00:33]} 65. Rc2+ {[%emt 0:00:33]} Kd1 {[%emt 0:00:15]} 66. Ra2 {[%emt 0:00:08]} Rf3+ {[%emt 0:00:09]} 67. Kg2 {[%emt 0:00:05]} Rf4 {[%emt 0:00:13] aiming for ...Rg4+.} 68. Bc2+ {[%emt 0:00:40]} Kc1 {[%emt 0:00:08] Weighted Error Value: White=0.36/Black=0.27 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.6"]
[White "Gonzalez Arroyo, Lenin"]
[Black "Cori Quispe, Kevin Joel"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2210"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,50,57,32,40,0,56,0,25,15,14,15,8,0,-15,-28,50,64,50,54,64,-23,-16,-50,-45,-91,-112,-120,-25,-105,-110,-97,-101,-107,-108,-130,-121,-721,-685]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:04:41]} 2. Nf3 {[%emt 0:00:23]} e6 {[%emt 0:00:26]} 3. d4 {[%emt 0:01:01]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:33]} a6 {[%emt 0:00:07]} 5. Bd3 {[%emt 0:02:38]} Bc5 {[%emt 0:00:15]} 6. Nb3 {[%emt 0:01:35]} Be7 {[%emt 0:00:26]} 7. O-O {[%emt 0:02:25]} d6 {[%emt 0:00:53]} 8. f4 {[%emt 0:04:16]} Nd7 {[%emt 0:01:33] B42: Sicilian: Kan Variation: 5 Bd3.} 9. N1d2 {[%emt 0:05:32]} b6 {[%emt 0:07:01]} (9... Ngf6 $11) 10. Nf3 {[%emt 0:09:34]} Bb7 {[%emt 0:01:08] The position is equal.} 11. Qe2 {[%emt 0:01:24] [#]} Qc7 $146 {[%emt 0:09:12]} ({Predecessor:} 11... Bf6 12. c3 Ne7 13. Bd2 O-O 14. Rae1 Nc6 15. Nfd4 Qc7 16. Rf3 g6 17. Rh3 Rfe8 {1-0 (80) Dusper,H (2235)-Balog,M (2159) Harkany 2004}) 12. e5 {[%emt 0:04:02]} g6 {[%emt 0:14:29]} 13. f5 {[%emt 0:07:02]} gxf5 {[%emt 0:21:24][%cal Rd6e5]} 14. Bf4 {[%emt 0:00:58][%cal Od3f5]} dxe5 {[%emt 0:05:31]} (14... Bxf3 $11 15. Qxf3 Ra7 16. exd6 Bxd6) 15. Nxe5 $14 {[%emt 0:00:41]} Bd6 {[%emt 0:00:05] [#]} 16. Nxf7 {[%emt 0:19:39]} Kxf7 {[%emt 0:00:05][%cal Be8f7,Bf7e7,Be7d8][%mdl 32]} 17. Nd4 {[%emt 0:00:11]} ({Better is} 17. Bc4 $14 Bc5+ 18. Kh1 (18. Nxc5 Qxc5+ 19. Rf2 Re8 $11)) 17... Re8 $11 {[%emt 0:10:49]} (17... Bxf4 $2 18. Qxe6+ Kg7 19. Nxf5+ Kf8 20. Nd6 $18) 18. Qh5+ {[%emt 0:02:24]} Ke7 $1 {[%emt 0:01:12]} 19. Nxf5+ {[%emt 0:19:30]} exf5 $17 {[%emt 0:00:18]} 20. Rae1+ {[%emt 0:00:06] [#]} Be5 {[%emt 0:04:32]} (20... Be4 $1 $17 21. Bxe4 Ngf6 22. Bxd6+ (22. Bxf5+ Kd8 $17) 22... Kxd6 23. Rd1+ Ke7 24. Qxf5 Qc5+ 25. Rf2 Qxf5 26. Bxf5 Kd8) 21. Bxe5 {[%emt 0:00:40]} (21. Qg5+ $1 $11 {remains equal.} Kf8 22. Qxf5+ Ngf6 23. Bxe5 (23. Rxe5 Rxe5 24. Bxe5 Qc5+ 25. Rf2 Rg8 $17) 23... Rxe5 24. Rxe5 Qxe5 25. Qxe5 (25. Qxd7 $2 Qc5+ 26. Kh1 Bxg2+ 27. Kxg2 Rg8+ 28. Kh1 Rg1+ 29. Rxg1 Nxd7 $19) 25... Nxe5 26. Rxf6+ Ke7 27. Rxb6) 21... Nxe5 {[%emt 0:00:11]} 22. Rxf5 {[%emt 0:00:26] [#]} Kd8 $1 {[%emt 0:02:18][%cal Oe5f3] aiming for ...Nf3+!} 23. Rfxe5 {[%emt 0:02:31]} (23. Qg5+ Qe7) 23... Rxe5 {[%emt 0:00:08]} 24. Rxe5 {[%emt 0:00:05][%csl Ge5][%cal Rh5e8]} Ne7 {[%emt 0:00:26]} 25. Bxh7 $2 {[%emt 0:02:56][%mdl 8192] [#]} (25. Re3 $17) 25... Rxh7 $1 {[%emt 0:00:58][%mdl 512] Weighted Error Value: White=0.74/Black=0.15 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.7"]
[White "Ibarra Chami, Luis Fernando"]
[Black "Sandoval Mercado, Carlos"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2451"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,96,0,0,0,0,2,0,0,0,0,0,0,-33,-6,-46,-8,-35,-27,-36,-43,-79,-81,-74,-51,-47,-22,-29,-2,-10,0,-116,0,0,7,0,0,0,0,2,1,0,0,0,0,0,533,510,518,507,421,0,1047,1135,2388,2234,1849,1488,2540,2401,2928,2308,2435,2435,1218,1150,5147,2020,1969,1764,1688,1652,1618,1597,29996,29997,29997,29998,29998,29999,29999]} 1. c4 {[%emt 0:02:32]} Nf6 {[%emt 0:00:18]} 2. g3 {[%emt 0:00:21]} g6 {[%emt 0:00:16]} 3. Bg2 {[%emt 0:00:25]} Bg7 {[%emt 0:00:07]} 4. Nc3 {[%emt 0:00:18]} O-O {[%emt 0:00:12]} 5. e4 {[%emt 0:00:23]} d6 {[%emt 0:00:44]} 6. Nge2 {[%emt 0:00:11]} c5 {[%emt 0:00:53]} 7. O-O {[%emt 0:00:33]} Nc6 {[%emt 0:00:14]} 8. d3 {[%emt 0:00:22]} a6 {[%emt 0:01:05]} 9. h3 {[%emt 0:00:13]} Rb8 {[%emt 0:00:07]} 10. a4 {[%emt 0:00:05]} Nd7 {[%emt 0:00:08] A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} 11. Rb1 {[%emt 0:03:50]} e6 {[%emt 0:05:07]} 12. Be3 {[%emt 0:05:46]} Nd4 {[%emt 0:01:04] The position is equal.} 13. b4 {[%emt 0:03:55]} b6 {[%emt 0:02:30]} 14. Qd2 {[%emt 0:00:35]} Bb7 {[%emt 0:04:21] [#]} 15. Qa2 $146 {[%emt 0:05:47]} ({Predecessor:} 15. f4 f5 16. Bf2 Qc7 17. Kh2 Ba8 18. b5 a5 19. Rbe1 Rbe8 20. Bg1 Qd8 21. Kh1 {0-1 (46) Ibarra Chami,L (2423)-Albornoz Cabrera,C (2555) Merida 2019}) 15... Qe7 {[%emt 0:08:48]} 16. f4 {[%emt 0:23:55]} f5 {[%emt 0:22:53]} 17. a5 {[%emt 0:19:02]} Nc6 {[%emt 0:13:30]} 18. bxc5 {[%emt 0:03:49]} bxc5 {[%emt 0:02:52]} 19. exf5 {[%emt 0:05:51][%cal Ob1b7]} Nb4 {[%emt 0:01:49]} 20. Qd2 {[%emt 0:00:15]} Bxg2 {[%emt 0:00:25]} ({But not} 20... gxf5 $6 21. Bxb7 Rxb7 22. d4 $11) 21. Kxg2 {[%emt 0:00:04]} gxf5 {[%emt 0:07:16]} 22. d4 {[%emt 0:07:34]} Nf6 {[%emt 0:01:41]} 23. Rfd1 {[%emt 0:01:23]} Rfd8 {[%emt 0:04:59]} 24. Ng1 {[%emt 0:01:05]} (24. Bf2 $11 {keeps the balance.}) 24... Ne4 {[%emt 0:06:11]} (24... d5 $1 $17 25. cxd5 Nfxd5) 25. Nxe4 $11 {[%emt 0:00:07]} fxe4 {[%emt 0:00:02]} 26. Ne2 {[%emt 0:02:39]} Nd3 {[%emt 0:02:03]} 27. Rb6 {[%emt 0:04:07]} Rxb6 {[%emt 0:08:17]} 28. axb6 {[%emt 0:00:04]} Qb7 $1 {[%emt 0:00:03] Strongly threatening ...cxd4.} 29. dxc5 {[%emt 0:00:35]} dxc5 {[%emt 0:00:22][%cal Od3f4] Threatens to win with ...Nxf4+!} 30. Qa5 $1 {[%emt 0:00:16]} Rd6 {[%emt 0:02:44]} 31. Rb1 {[%emt 0:01:31]} Bd4 $2 {[%emt 0:03:00][%mdl 8192] Black is now going downhill.} (31... Rc6 $11 {and Black is okay.}) 32. Nxd4 $18 {[%emt 0:00:18]} cxd4 {[%emt 0:00:33]} 33. Qg5+ {[%emt 0:00:08]} Kf7 {[%emt 0:00:04] [#]} 34. Qh5+ $2 {[%emt 0:01:15]} (34. c5 $1 $18 Rd5 35. Qh6 Nxc5 36. Qxh7+ Ke8 37. Qh8+ Kd7 38. Bxd4) 34... Kf8 $2 {[%emt 0:00:47][%mdl 8192] [#]} (34... Kg7 $11) 35. c5 $1 {[%emt 0:00:49]} Rd7 {[%emt 0:01:39]} (35... Rd8 36. Bxd4) 36. Qh6+ {[%emt 0:00:13]} Kf7 {[%emt 0:00:34]} 37. Qxh7+ {[%emt 0:00:07]} Ke8 {[%emt 0:00:03]} 38. Qg6+ {[%emt 0:00:38]} Ke7 {[%emt 0:00:58] [#]} 39. f5 $1 {[%emt 0:02:45] White threatens Qg7+ and mate.} Nxc5 {[%emt 0:00:04] [#]} 40. Bxd4 $1 {[%emt 0:01:41][%mdl 512]} e3+ {[%emt 0:00:17]} (40... Rxd4 41. Qg7+) 41. Kh2 {[%emt 0:00:06]} Qd5 {[%emt 0:01:23]} 42. Rd1 {[%emt 0:01:02]} (42. Qg7+ $142 Ke8 43. Qg8+ Ke7 {[#]} 44. b7 $1 Qa2+ 45. Rb2 Qxb2+ 46. Bxb2 Rxb7 47. Ba3) 42... Qa2+ {[%emt 0:00:29]} 43. Kh1 {[%emt 0:00:06]} Qd5+ {[%emt 0:00:31]} 44. Kg1 {[%emt 0:00:05] Bxc5+ would kill now.} e2 {[%emt 0:00:34]} 45. Bf6+ {[%emt 0:00:46]} Kf8 {[%emt 0:00:01]} 46. Qh6+ {[%emt 0:00:09] White mates.} Kg8 {[%emt 0:00:41]} 47. Qh8+ {[%emt 0:00:05]} Kf7 {[%emt 0:00:08]} 48. Qg7+ {[%emt 0:00:03]} Ke8 {[%emt 0:00:04]} 49. Qg8# {[%emt 0:07:11] Weighted Error Value: White=0.34/Black=0.58} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.8"]
[White "Rascon Vega, Alfonso"]
[Black "Perez Gormaz, Matias"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2107"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,60,24,27,-10,-6,-13,-4,-64,-30,-113,-113,-211,-198,-192,-188,-247,-245,-225,-233,-441,-440,-439,-437,-734,-739,-1241,-1250,-1250,-1260,-1262,-1251,-1158,-850,-893,-869,-1547,-1532,-1531,-1440,-1383,-1153]} 1. e4 {[%emt 0:04:46]} c6 {[%emt 0:02:35]} 2. d4 {[%emt 0:00:13]} d5 {[%emt 0:00:07]} 3. exd5 {[%emt 0:00:08]} cxd5 {[%emt 0:00:07]} 4. c4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:05]} 5. Nc3 {[%emt 1:27:48]} g6 {[%emt 0:00:26]} 6. Qb3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:09]} 7. cxd5 {[%emt 0:00:00]} O-O {[%emt 0:00:06]} 8. Be2 {[%emt 0:00:00]} Nbd7 {[%emt 0:00:06]} 9. Bf3 {[%emt 0:00:00]} Nb6 {[%emt 0:00:05]} 10. Nge2 {[%emt 0:00:00]} Bf5 {[%emt 0:00:07][%cal Bc8f5,Bf5d3,Bd3c4][%mdl 32]} 11. O-O {[%emt 0:00:00]} Bd3 {[%emt 0:00:05]} 12. Re1 {[%emt 0:00:00][%cal Od5d6] B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} (12. d6 {is more complex.} Qxd6 13. Bxb7 Bc4 14. Qc2) 12... Bc4 {[%emt 0:04:38]} 13. Qd1 {[%emt 0:00:00][%cal Od5d6]} Nfxd5 {[%emt 0:00:40] [#]} 14. Ng3 $146 {[%emt 0:00:00]} (14. Bg5 $11) ({Predecessor:} 14. Bg5 Qd7 15. Qd2 Rac8 16. Rad1 Nxc3 17. Nxc3 e6 18. Ne4 Nd5 19. Nc5 Qc7 20. Rc1 Bxa2 21. Nxe6 {½-½ (45) Perez Rodriguez,L (2324)-Ezat,M (2401) Chess.com INT 2020}) 14... Re8 {[%emt 0:12:56]} (14... Nb4 $5 {[%cal Rb4d3]} 15. Bxb7 Rb8 $15) 15. Nce4 {[%emt 0:00:00] [#]} (15. Bg5 $11) 15... Nb4 $1 $17 {[%emt 0:16:21][%csl LRa2,LRd4]} 16. Nc5 {[%emt 0:00:00]} (16. Nd2 $17 {was necessary.} Ba6 17. Nb3) 16... Qxd4 $19 {[%emt 0:02:21]} ({Stronger than} 16... Bxd4 17. Nxb7 Qd7 18. Ne2 $17) 17. a3 {[%emt 0:00:00]} Qxc5 {[%emt 0:06:17]} 18. Be3 {[%emt 0:00:00]} (18. Ne4 $142 Qb5 19. axb4) 18... Qb5 {[%emt 0:01:20]} 19. axb4 {[%emt 0:00:00]} Bxb2 {[%emt 0:00:10] And now ...Rad8 would win.} 20. Bc5 $2 {[%emt 0:00:00]} (20. Ra5 Qxb4 21. Bd2) 20... Bxa1 {[%emt 0:08:26] Black is clearly winning.} 21. Qxa1 {[%emt 0:00:00]} a5 {[%emt 0:07:52][%cal Ba7a5,Ba5b4,Bb4b3,Bb3b2][%mdl 32]} 22. Bxe7 {[%emt 0:00:00]} (22. Qc1 $142 Nd7 23. Bd4) 22... axb4 {[%emt 0:02:04]} 23. Qf6 {[%emt 0:00:00]} Nd7 {[%emt 0:00:56][%cal Bb6d7,Bd7c5,Bc5d3][%mdl 32]} 24. Qd4 {[%emt 0:00:00] [#]} Qc5 $3 {[%emt 0:12:01][%mdl 512]} 25. Qxc5 {[%emt 0:00:00]} Nxc5 {[%emt 0:00:07][%mdl 64] Pin} 26. h4 {[%emt 0:00:00]} Nd3 {[%emt 0:00:16]} 27. Re3 {[%emt 0:00:00]} b3 {[%emt 0:00:14] White must now prevent ...b2.} 28. Ne2 {[%emt 0:00:00]} b2 {[%emt 0:00:22]} 29. Nc3 {[%emt 0:00:00]} Ra1+ {[%emt 0:00:43]} 30. Kh2 {[%emt 0:00:00]} Rc1 {[%emt 0:00:18] White did not feel at home in the position after the opening.  Weighted Error Value: White=0.95/Black=0.17 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.9"]
[White "Diaz Rosas, Julio Cesar"]
[Black "Morales Garcia, Sergio Joshafatt"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2393"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,70,37,46,0,7,0,18,-34,40,39,28,32,40,32,60,4,24,0,0,14,0,-46,-25,-32,-38,-93,-78,-162,-159,-154,-154,-122,-129,-264,-262,-361,-57,-110,-82,-520,-508,-610,-625,-619,-593,-604,-618,-610,-609,-662,-630,-838,-838,-841,-834,-789,-777,-1068,-1010,-6801,-718]} 1. e4 {[%emt 0:00:22]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:06]} e6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:05]} Nc6 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:06]} Qc7 {[%emt 0:00:03]} 6. Be3 {[%emt 0:00:07]} a6 {[%emt 0:00:06]} 7. g4 {[%emt 0:00:07] is the new trend. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} b5 {[%emt 0:04:43]} 8. Nxc6 {[%emt 0:00:15]} Qxc6 {[%emt 0:00:23]} 9. Qd2 {[%emt 0:00:08]} (9. Bg2 $11) 9... Nf6 {[%emt 0:17:00]} (9... b4 $15 10. Ne2 Qxe4) 10. f3 $14 {[%emt 0:00:16]} h6 {[%emt 0:00:35]} 11. O-O-O {[%emt 0:05:40]} Bb7 {[%emt 0:06:17]} 12. Ne2 {[%emt 0:06:28]} Rc8 {[%emt 0:03:44]} 13. Nd4 {[%emt 0:01:09]} (13. Kb1 $14) 13... Qc7 $1 $11 {[%emt 0:01:34]} 14. Kb1 {[%emt 0:10:35]} e5 $1 {[%emt 0:06:19]} 15. Nf5 {[%emt 0:04:37]} d5 {[%emt 0:04:37][%cal Bd7d5,Bd5d4][%mdl 32] [#]} 16. Bh3 $146 {[%emt 0:13:20]} (16. exd5 $11 Bxd5 17. Be2) ({Predecessor:} 16. exd5 Nxd5 17. Bd3 g6 18. Ng3 Bg7 19. Be4 Nxe3 20. Qxe3 Bxe4 21. Qxe4 {1-0 (34) Papp,P (2292)-Khalukov,Y (2192) Voronezh 2012}) 16... d4 $15 {[%emt 0:11:14]} 17. Bf2 {[%emt 0:05:58]} g6 {[%emt 0:07:58]} 18. Bh4 {[%emt 0:14:52]} Qb6 {[%emt 0:10:49]} 19. Rhe1 {[%emt 0:15:32]} gxf5 $19 {[%emt 0:02:34]} 20. exf5 {[%emt 0:00:19] [#] Black must now prevent Bxf6.} Bg7 {[%emt 0:01:38] Hoping for ...0-0.} (20... Bxf3 21. Rxe5+ Be7 22. Rde1 $11) (20... Nd7 21. f4 Bf3 22. Qxd4 Qxd4 23. Rxd4 $17) 21. Rxe5+ {[%emt 0:02:51]} Kf8 {[%emt 0:00:04]} 22. Qb4+ {[%emt 0:06:18]} (22. Ree1 $17 {is the only way for White.}) 22... Kg8 {[%emt 0:00:20]} 23. Rxd4 {[%emt 0:01:08]} Nd5 $2 {[%emt 0:03:42]} 24. Rdxd5 {[%emt 0:03:22]} (24. Rexd5 $15 Bxd5 25. Rxd5) 24... Bxd5 $40 {[%emt 0:00:42][%mdl 128] Black is out for blood. Dancing on a razor blade.} (24... Qg1+ {feels hotter.} 25. Qe1 Qxh2 26. Re2 Qxh3 27. Rd3 h5) 25. f6 $2 {[%emt 0:04:00][%mdl 8192]} (25. Rxd5 $17 {nothing else works.} Qg1+ 26. Qe1 Qxh2 27. Rd2 Qxh3 28. Bg3) 25... Bxf6 {[%emt 0:01:55] Black is clearly winning.} 26. Bxf6 {[%emt 0:01:41]} Qxf6 {[%emt 0:00:56]} 27. Rxd5 {[%emt 0:00:38]} Qxf3 {[%emt 0:01:19]} 28. Qd2 {[%emt 0:02:06]} Qxh3 {[%emt 0:00:59]} 29. Qe2 {[%emt 0:00:13]} Qh4 {[%emt 0:01:50]} 30. a4 {[%emt 0:00:14]} Kg7 {[%emt 0:03:05] Strongly threatening ...Rhe8.} 31. Rh5 {[%emt 0:00:03]} Qf6 {[%emt 0:01:53]} 32. Rf5 {[%emt 0:00:09] [#]} Rhe8 $1 {[%emt 0:01:52]} 33. Qf2 {[%emt 0:00:21]} Qe6 {[%emt 0:02:02] ...Red8 is the strong threat.} 34. Qd4+ {[%emt 0:00:20]} Kg8 {[%emt 0:00:39] ( -> ...Qe1+)} 35. Rf6 {[%emt 0:00:52]} Qe5 {[%emt 0:01:48] Weighted Error Value: White=0.77/Black=0.30} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.10"]
[White "Torres Rosas, Luis Carlos"]
[Black "Montes Orozco, Miguel Angel"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2356"]
[BlackElo "1914"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,137,-29,-23,-20,-14,-16,27,-10,42,0,14,17,7,-26,-9,-73,10,14,0,-5,7,1,11,11,0,8,8,-139,-135,-149,-137,-131,68,58,49,65,62,72,69,0,16,0,58,68,167,183,174,190,174,189,193,151,144,0,207,193,188,115,113,98,98,98,140,132,143,77,79,75,118,147,108,135,280,264,399,392,534,528,563,587,587,570,643,593,598,575,2993,2600,2142,2179,2041,1456,1495,583,592,241,29964,29970,29961,29971,29977,29977,29978,29978,29980,29981,29981,29980,29980,29981,29981,29982,29982,29983,29984,29985,29985,29986,29986,29987,29987,29988,29988,29988,29988,29988,29988,29987,29987,29988]} 1. d4 {[%emt 0:05:56]} d5 {[%emt 0:00:56]} 2. c4 {[%emt 0:00:54]} c6 {[%emt 0:00:13]} 3. Nf3 {[%emt 0:05:15]} Nf6 {[%emt 0:00:26]} 4. Nc3 {[%emt 0:00:07]} dxc4 {[%emt 0:00:37]} 5. e4 {[%emt 0:00:20]} b5 $1 {[%emt 0:00:34]} 6. Be2 {[%emt 0:00:04] D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} e6 {[%emt 0:03:15]} 7. O-O {[%emt 0:01:47]} Bb4 {[%emt 0:06:40]} 8. Qc2 {[%emt 0:14:19][%mdl 1024] [#] White has compensation. White has an edge.} (8. a4 $5 {[%cal Ra4b5]}) 8... a5 $146 {[%emt 0:03:53]} (8... Bb7 $11) ({Predecessor:} 8... O-O 9. Bg5 Qc7 10. Rad1 Nbd7 11. e5 Nd5 12. Ne4 f5 13. exf6 N7xf6 14. Ne5 Nxe4 15. Qxe4 {1-0 (43) Storme,I (2379)-Marn,J (2360) Chess.com INT 2020}) 9. Bg5 {[%emt 0:12:07]} h6 {[%emt 0:02:17]} 10. Bh4 {[%emt 0:00:17]} Nbd7 {[%emt 0:08:17]} 11. Rad1 {[%emt 0:02:16]} Qb6 {[%emt 0:03:44]} 12. Ne5 {[%emt 0:11:07] [#]} (12. a3 $11 {remains equal.}) 12... Bb7 {[%emt 0:18:45] [#]} (12... Nxe5 $1 $17 13. dxe5 Nd7) 13. Nxf7 $1 $11 {[%emt 0:13:30]} Kxf7 {[%emt 0:13:38][%cal Be8f7,Bf7f6,Bf6e7,Be7d6,Bd6c7][%mdl 32]} 14. e5 {[%emt 0:00:01] [#]} g5 $1 {[%emt 0:00:07]} 15. exf6 {[%emt 0:05:08]} gxh4 {[%emt 0:02:17]} 16. Bh5+ {[%emt 0:00:56]} Kxf6 {[%emt 0:00:44]} (16... Kf8 $2 {is a self mate.} 17. Qg6) 17. Qg6+ {[%emt 0:03:49]} Ke7 {[%emt 0:00:05]} 18. Qg7+ {[%emt 0:00:35]} (18. Ne4 $11 Kd8 19. a3) 18... Kd6 $17 {[%emt 0:00:36] Threatens to win with ...Bxc3.} 19. Ne4+ {[%emt 0:00:44]} Kc7 {[%emt 0:00:35] Hoping for ...Rag8.} 20. Nc5 {[%emt 0:01:50]} Rad8 $2 {[%emt 0:00:29]} (20... Rhd8 $17 21. Qe7 Ba6) 21. Nxd7 $14 {[%emt 0:01:58] 0x0.000e62c4cf4ddp-1022s more active pieces.} Rhg8 {[%emt 0:01:10] [#]} 22. Qxg8 {[%emt 0:10:26] Chess con chili.} Rxg8 {[%emt 0:01:05]} 23. Nxb6 {[%emt 0:00:02]} Kxb6 {[%emt 0:11:49]} 24. Bf7 {[%emt 0:00:01]} (24. a3 $1 $14 Bd6 25. Bf7) 24... Rd8 $11 {[%emt 0:00:16]} 25. Bxe6 {[%emt 0:00:11]} c3 {[%emt 0:00:02]} (25... Be7 $11) 26. a3 $1 $14 {[%emt 0:02:36]} c2 {[%emt 0:00:05]} 27. Rc1 $18 {[%emt 0:00:10]} ({Much less strong is} 27. axb4 $6 cxd1=N 28. bxa5+ (28. Rxd1 axb4 29. f4 Kc7 $14) 28... Kxa5 29. Rxd1 Rd6 $14) 27... Bd2 {[%emt 0:00:07]} 28. Rxc2 {[%emt 0:00:09]} Rxd4 {[%emt 0:00:05]} 29. Rd1 {[%emt 0:02:21]} Bc3 {[%emt 0:00:10][%cal Rd4d1]} 30. Rb1 {[%emt 0:02:12]} Bd2 {[%emt 0:00:09]} 31. Rd1 {[%emt 0:00:06]} (31. Bf5 $16) 31... Bc3 $1 {[%emt 0:00:05][%cal Rd4d1]} 32. Rxd4 {[%emt 0:00:07]} Bxd4 {[%emt 0:00:03][%mdl 4096] Endgame KRB-KB} 33. b4 {[%emt 0:00:11]} ({White should play} 33. b3 $18) 33... c5 {[%emt 0:00:16]} 34. bxc5+ {[%emt 0:00:09]} Bxc5 {[%emt 0:00:04]} 35. Rc3 {[%emt 0:00:11]} Be4 {[%emt 0:01:01]} 36. Rh3 {[%emt 0:02:09]} Bc2 {[%emt 0:00:03]} 37. Rxh4 {[%emt 0:01:06]} ({White should try} 37. Kf1) 37... Bxa3 $16 {[%emt 0:00:03]} 38. Rxh6 {[%emt 0:00:03]} Bc1 {[%emt 0:00:05] This bishop pair is nice.} 39. Rh8 {[%emt 0:00:44]} Bf4 {[%emt 0:01:50] [#] Prevents Rb8+.} 40. g3 $1 {[%emt 0:00:23]} Bc7 {[%emt 0:23:54]} (40... Be5 $16 41. Rc8 Bc7) 41. Rh6 $18 {[%emt 0:01:12]} Kb7 {[%emt 0:00:00]} (41... Ka7 $142 42. Bf7 Bb6) 42. Bd5+ {[%emt 0:00:24]} Kb8 {[%emt 0:00:00]} 43. Ra6 {[%emt 0:00:57][%csl Gd5][%cal Ra6a8]} Bd8 {[%emt 0:01:30]} 44. Ra8+ {[%emt 0:00:31]} Kc7 {[%emt 0:00:00]} 45. Rxa5 {[%emt 0:00:06]} Kd6 {[%emt 0:00:00]} 46. Ra2 {[%emt 0:00:52]} Bh7 {[%emt 0:00:00]} 47. Rd2 {[%emt 0:00:50] Bg8+ is the strong threat.} Ba5 {[%emt 0:00:00]} 48. Bg8+ {[%emt 0:00:08]} Bxd2 {[%emt 0:00:00]} 49. Bxh7 {[%emt 0:00:01] KB-KB} Ke5 {[%emt 0:00:00]} 50. Kg2 {[%emt 0:00:05]} b4 {[%emt 0:00:00]} 51. Kf3 {[%emt 0:00:12]} (51. h4 $142 {Strongly threatening Kf3.} Kd4 52. Kf3) 51... Kf6 {[%emt 0:00:00]} 52. Bc2 {[%emt 0:01:35]} (52. Ke2 $142 Bh6 53. Bc2) 52... Be1 {[%emt 0:00:00]} (52... Ke5 $18 53. h4 Kd4) 53. Ke2 {[%emt 0:00:11] White mates.} Bc3 {[%emt 0:00:00]} 54. f4 {[%emt 0:00:11]} Bd4 {[%emt 0:05:30]} 55. Kf3 {[%emt 0:00:09]} Kg7 {[%emt 0:00:00]} 56. h4 {[%emt 0:00:55][%cal Bh2h4,Bh4h5][%mdl 32]} Kh6 {[%emt 0:00:00]} 57. g4 {[%emt 0:00:07]} Bc3 {[%emt 0:00:00]} 58. Ke4 {[%emt 0:00:23]} Be1 {[%emt 0:00:00]} 59. h5 {[%emt 0:00:28]} Bc3 {[%emt 0:00:00]} 60. Kf5 {[%emt 0:00:21]} Bd4 {[%emt 0:00:00]} 61. Bd1 {[%emt 0:00:07]} Be3 {[%emt 0:00:00]} 62. g5+ {[%emt 0:00:06]} Kg7 {[%emt 0:00:00]} 63. Bb3 {[%emt 0:00:09]} Bd2 {[%emt 0:00:00]} 64. Kg4 {[%emt 0:00:25]} Bc3 {[%emt 0:00:00]} 65. f5 {[%emt 0:00:30]} Bd4 {[%emt 0:00:00]} 66. h6+ {[%emt 0:00:38]} Kh7 {[%emt 0:00:00]} 67. Kh5 {[%emt 0:00:06]} Be5 {[%emt 0:00:00]} 68. g6+ {[%emt 0:00:19][%cal Bg5g6,Bg6g7][%mdl 32]} Kh8 {[%emt 0:00:00]} 69. g7+ {[%emt 0:00:07] What a bad dream for Black.  Weighted Error Value: White=0.25 (precise) /Black=0.38} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.11"]
[White "Figueredo Losada, Leonel"]
[Black "Quiroga Jaquez, Angel Ivan"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "2342"]
[BlackElo "2185"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,49,10,16,16,13,-6,18,25,23,32,22,0,24,4,4,0,18,-19,47,38,120,129,135,93,202,213,436,456,637,631,1100,1100,29975,29973,29973,29960,1862,622,2943,2565,29990,29988]} 1. e4 {[%emt 0:00:30]} e5 {[%emt 0:05:58]} 2. d4 {[%emt 0:00:07]} exd4 {[%emt 0:02:00]} 3. Qxd4 {[%emt 0:00:05]} Qf6 {[%emt 0:01:56]} 4. Qd3 {[%emt 0:04:54]} Bb4+ {[%emt 0:06:01] [#]} 5. Nc3 $146 {[%emt 0:10:54]} ({Predecessor:} 5. c3 Bc5 6. Qg3 d6 7. Nf3 Qg6 8. Qxg6 hxg6 9. Bc4 Nc6 10. O-O Nf6 11. Nbd2 a6 {0-1 (29) Bistric,F (2349)-Nikolic,P (2607) Sarajevo 2017}) 5... Bxc3+ {[%emt 0:11:35]} 6. bxc3 {[%emt 0:00:02] C22: Centre Game.} Nc6 {[%emt 0:01:06]} 7. f4 {[%emt 0:08:44]} Qe7 {[%emt 0:00:50]} 8. Be2 {[%emt 0:02:05] The position is equal.} d6 {[%emt 0:04:27]} 9. Ba3 $1 {[%emt 0:00:19]} Qf6 {[%emt 0:01:55]} 10. Qe3 {[%emt 0:04:31]} Nh6 {[%emt 0:01:39]} 11. O-O-O {[%emt 0:04:47]} O-O {[%emt 0:01:30]} 12. Bb2 {[%emt 0:12:00]} Qe7 {[%emt 0:06:21][%cal Oc8f5]} 13. Bd3 {[%emt 0:16:36]} f5 {[%emt 0:12:14]} (13... d5 $11) 14. Re1 $1 $14 {[%emt 0:00:04]} fxe4 {[%emt 0:07:50]} (14... Qf7 $14) 15. Bxe4 $16 {[%emt 0:00:04]} Qf7 {[%emt 0:04:14] Prevents Bd5.} 16. Nf3 {[%emt 0:02:10] aiming for Ng5.} Qxa2 {[%emt 0:01:17]} (16... Qxf4 $2 17. Bd5+ Be6 18. Qxf4 Rxf4 19. Rxe6 $18) (16... Ng4 $16 17. Ng5 Nxe3 18. Nxf7 {[#]} Bf5 $1 19. Rxe3 Bxe4 20. Rxe4 d5) 17. Qd3 $18 {[%emt 0:08:15]} Kh8 $2 {[%emt 0:02:37]} (17... Qa5 {might work better.}) 18. c4 {[%emt 0:05:45]} ({Stronger than} 18. Bxc6 bxc6 19. c4 Ng8 $11) 18... Qa5 {[%emt 0:01:11]} 19. Bxc6 {[%emt 0:06:57] Threatens to win with Re7.} bxc6 {[%emt 0:00:02]} 20. Re7 {[%emt 0:00:03]} Nf5 {[%emt 0:04:20] [#]} 21. Ng5 $1 {[%emt 0:00:13][%mdl 512]} Rb8 {[%emt 0:09:01] [#]} 22. Bxg7+ $1 {[%emt 0:00:49][%mdl 512]} Kg8 {[%emt 0:00:25]} 23. Bc3 {[%emt 0:00:23]} (23. Bd4 $142 Qa3+ 24. Qxa3 Nxe7 25. Re1) 23... Qa3+ {[%emt 0:03:03]} 24. Kd2 {[%emt 0:00:02][%cal Oe7g7] Threatening mate with Rg7+!} Rf6 {[%emt 0:06:39]} 25. Re8+ {[%emt 0:12:41] Weighted Error Value: White=0.33/Black=0.97} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.12"]
[White "Silva Hernandez, Jose Luis"]
[Black "Garcia Guerrero, Isaac Antonio"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2006"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,42,8,3,0,0,-13,-13,-13,-12,-17,-8,-22,0,0,0,-70,-72,-110,-97,-95,-95,-116,-102,-122,-113,-463,-438]} 1. d4 {[%emt 0:01:15]} d5 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:10]} e6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:50]} Bb4 {[%emt 0:00:07]} 4. Nf3 {[%emt 0:02:52]} Nf6 {[%emt 0:00:07]} 5. cxd5 {[%emt 0:03:47]} exd5 {[%emt 0:00:18]} 6. Bg5 {[%emt 0:00:34]} h6 {[%emt 0:00:10]} 7. Qa4+ {[%emt 0:01:46]} Nc6 {[%emt 0:00:48]} 8. Bxf6 {[%emt 0:03:46]} Qxf6 {[%emt 0:00:16]} 9. e3 {[%emt 0:00:04]} O-O {[%emt 0:01:58]} 10. Bb5 {[%emt 0:02:14] D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Bg4 {[%emt 0:10:51]} 11. Bxc6 {[%emt 0:10:57]} Bxc3+ {[%emt 0:00:44]} 12. bxc3 {[%emt 0:03:47] The position is equal.} Bxf3 {[%emt 0:00:18]} ({Don't take} 12... bxc6 13. Ne5 Bf5 14. Qxc6 $14) ({Resist} 12... Qxc6 13. Qxc6 bxc6 14. Ne5 $14) 13. gxf3 {[%emt 0:00:23]} bxc6 {[%emt 0:02:06]} 14. Ke2 {[%emt 0:00:38] [#]} Qf5 $146 {[%emt 0:04:15] Strongly threatening ...Rab8.} (14... c5 $5) ({Predecessor:} 14... Rfb8 15. Rab1 Qf5 16. Qd1 Rb6 17. Qd3 Qh5 18. Rb3 c5 19. dxc5 Rf6 20. Rf1 Rxf3 21. Ke1 Re8 22. Rb4 Qxh2 23. Rg4 Qh3 {0-1 (23) Hulak,K (2532)-Sulava,N (2521) Sibenik 2009}) 15. Rhb1 {[%emt 0:14:33]} Rae8 {[%emt 0:09:54]} 16. Qd1 {[%emt 0:11:39]} ({White should try} 16. Rb2 $11) 16... Re6 {[%emt 0:20:19][%cal Be8e6,Be6f6,Bf6g6,Bg6g2][%mdl 32] &Nero is more active.} 17. Rb7 {[%emt 0:07:47][%csl LRa7,LRc7] [#]} Rf6 $1 {[%emt 0:07:27]} 18. Kd2 {[%emt 0:00:30]} Qh3 {[%emt 0:39:39]} 19. f4 {[%emt 0:08:20] [#]} Rg6 $1 {[%emt 0:00:00]} 20. Rab1 {[%emt 0:06:10]} ({Don't go for} 20. Rxa7 $2 Rg2 21. Qe2 Rb8 $19) 20... Rg2 21. Qe1 {[%emt 0:18:58][%mdl 8192]} (21. Qe2 $17 {nothing else works.}) 21... Qf3 {[%emt 0:01:30] Weighted Error Value: White=0.72/Black=0.02 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.13"]
[White "Benitez Lozano, Javier"]
[Black "Avila Bautista, Roberto Al"]
[Result "1/2-1/2"]
[ECO "A67"]
[WhiteElo "2309"]
[BlackElo "2090"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,65,27,22,29,37,26,43,44,27,60,54,154,64,58,68,66,66,162,156,162,152,148,96,103,103,103,106,96,93,102,88,77,64,91,84,240,155,154,155,128,0,0,0,95,0]} 1. d4 {[%emt 0:00:26]} Nf6 {[%emt 0:00:36]} 2. c4 {[%emt 0:00:33]} c5 {[%emt 0:00:23]} 3. d5 {[%emt 0:00:39]} e6 {[%emt 0:00:23]} 4. Nc3 {[%emt 0:00:46]} exd5 {[%emt 0:00:56]} 5. cxd5 {[%emt 0:00:40]} d6 {[%emt 0:00:28]} 6. e4 {[%emt 0:00:54]} g6 {[%emt 0:00:20]} 7. f4 {[%emt 0:01:01]} Bg7 {[%emt 0:00:31]} 8. Bb5+ {[%emt 0:03:38]} Nfd7 {[%emt 0:00:28]} 9. a4 {[%emt 0:06:22]} O-O {[%emt 0:00:39]} 10. Nf3 {[%emt 0:01:05]} Na6 {[%emt 0:01:18]} 11. O-O {[%emt 0:01:37]} Nb4 $1 {[%emt 0:02:21] 11...Nb4 scores better than 11...Nc7.} 12. Be3 {[%emt 0:04:36][%cal Bc1e3,Be3f2,Bf2h4][%mdl 32]} a6 {[%emt 0:03:53] A67: Modern Benoni: Taimanov Variation.} 13. Be2 {[%emt 0:08:10]} Re8 {[%emt 0:00:29]} 14. Bf2 {[%emt 0:03:01]} Nf6 {[%emt 0:08:58] White is slightly better.} 15. Bh4 {[%emt 0:06:55] [#] e5 is the strong threat.} Qd7 $146 {[%emt 0:25:55]} ({Predecessor:} 15... Bg4 16. h3 Bxf3 17. Bxf3 Qd7 18. Re1 Nh5 19. Bg4 Qc7 20. Bxh5 gxh5 21. Rb1 f5 22. Qxh5 {1-0 (34) Shkalov,O (2266)-Dashdorzh,D (1726) St Petersburg 2018}) 16. Nd2 {[%emt 0:16:26]} Ng4 {[%emt 0:25:39]} (16... b6 $14) 17. Bxg4 {[%emt 0:27:18]} (17. Nc4 $16) 17... Qxg4 $14 {[%emt 0:00:10]} 18. Qxg4 {[%emt 0:00:04]} Bxg4 {[%emt 0:00:18]} 19. h3 {[%emt 0:00:55]} Bc8 {[%emt 0:04:18]} ({Better is} 19... Bd4+ $14 20. Bf2 Bd7) 20. Nc4 $18 {[%emt 0:00:21]} Bf8 {[%emt 0:03:17]} 21. Bf6 {[%emt 0:06:09]} Rb8 {[%emt 0:02:35]} 22. e5 {[%emt 0:05:05] &Bianco is more active.} (22. Nb6 $142) 22... dxe5 $16 {[%emt 0:04:57]} 23. Bxe5 {[%emt 0:03:49]} ({Don't play} 23. fxe5 Bf5 $14) 23... Bf5 {[%emt 0:02:18]} 24. Bxb8 {[%emt 0:00:18]} Rxb8 {[%emt 0:02:56]} 25. Rfd1 {[%emt 0:01:02]} Rd8 {[%emt 0:01:13]} 26. g4 {[%emt 0:00:43]} Bd3 {[%emt 0:03:38]} 27. Ne5 {[%emt 0:00:50]} Bc2 {[%emt 0:03:52]} 28. Rd2 {[%emt 0:00:08]} Bd6 $2 {[%emt 0:00:40]} (28... f6 $16) 29. Na2 {[%emt 0:00:55] [#] Hoping for Nxb4.} Bb3 {[%emt 0:00:50]} 30. Nxb4 {[%emt 0:00:31]} cxb4 {[%emt 0:00:15]} 31. Rd3 {[%emt 0:00:29]} Bc2 {[%emt 0:00:48] aiming for ...Bxe5. This bishop pair is nice.} 32. Rd2 {[%emt 0:00:19]} Bb3 {[%emt 0:00:09]} 33. Rd3 {[%emt 0:01:15] Weighted Error Value: White=0.23 (precise) /Black=0.17 (very precise)} (33. g5 $16) 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.14"]
[White "Diaz Villagran, Robert"]
[Black "Bayona Ordonez, Andres David"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2318"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,47,-9,-14,2,-25,-22,-48,-39,-37,0,-39,26,17,12,0,171,145,145,139,137,120,198,164,781,782,935,878,990,987,964,961,29991,29992]} 1. e4 {[%emt 0:00:03]} e6 {[%emt 0:00:07]} 2. d3 {[%emt 0:00:45]} d5 {[%emt 0:01:01]} 3. Nd2 {[%emt 0:00:08]} c5 {[%emt 0:01:48]} 4. Ngf3 {[%emt 0:00:10]} Nf6 {[%emt 0:02:34]} 5. g3 {[%emt 0:00:10]} Nc6 {[%emt 0:01:28]} 6. Bg2 {[%emt 0:00:12]} Be7 {[%emt 0:01:10]} 7. O-O {[%emt 0:00:10]} O-O {[%emt 0:01:57]} 8. Re1 {[%emt 0:00:23]} Re8 {[%emt 0:05:30]} 9. c3 {[%emt 0:06:02]} b5 {[%emt 0:06:30] C00: French: Unusual White 2nd moves.} 10. e5 {[%emt 0:01:35]} Nd7 {[%emt 0:00:24]} 11. Nf1 {[%emt 0:00:29][%cal Bd2f1,Bf1e3,Be3g4][%mdl 32]} Qb6 {[%emt 0:04:41] [#] Black is slightly better.} 12. Bf4 $146 {[%emt 0:05:20]} ({Predecessor:} 12. h4 a5 13. N1h2 b4 14. h5 Ba6 15. Ng4 Bf8 16. h6 g6 17. Bg5 Ra7 18. Qd2 Qb5 {1-0 (44) Lacerda,V (1758)-Haraguchi,M (1570) Sao Paulo 2018}) 12... Nf8 {[%emt 0:03:31]} 13. d4 {[%emt 0:06:30]} c4 {[%emt 0:04:38]} (13... b4 $15) 14. h4 {[%emt 0:07:02]} b4 {[%emt 0:06:25]} 15. h5 {[%emt 0:02:25]} f6 $2 {[%emt 0:05:03]} (15... h6 $11) 16. Ne3 {[%emt 0:06:31] [#] Threatens to win with exf6.} f5 {[%emt 0:01:47]} 17. g4 {[%emt 0:03:14]} fxg4 {[%emt 0:01:51]} 18. Nxg4 {[%emt 0:00:17]} h6 {[%emt 0:01:59]} (18... Qd8 $16 {keeps fighting.}) 19. Qd2 {[%emt 0:01:07][%cal Of4h6] Strongly threatening Bxh6!} Bd7 $2 {[%emt 0:02:14] [#]} (19... Qd8) 20. Bxh6 $1 $18 {[%emt 0:04:13][%mdl 512]} gxh6 {[%emt 0:01:28]} (20... bxc3 21. bxc3) 21. Qxh6 {[%emt 0:00:20]} Nh7 {[%emt 0:04:28]} 22. Nf6+ {[%emt 0:00:25]} Bxf6 {[%emt 0:00:43]} 23. exf6 {[%emt 0:00:15]} Nxf6 {[%emt 0:00:10]} 24. Qg6+ {[%emt 0:00:09] Weighted Error Value: White=0.16 (very precise) /Black=0.87} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.15"]
[White "Flores Guerrero, Jesus Aldair"]
[Black "Maass Garza R, Alejandro"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2251"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,77,28,18,25,27,39,27,53,58,60,54,78,66,75,25,50,0,0,-31,0,-66,-27,-43,-45,-136,-135,-128,-128,-121,-131,-239,-152,-371,-357,-366,-364,-362,-352,-340,-245,-235,-232,-218,-190,-588,-232,-760,-756,-745,-706,-508,-516,-930,-920,-911,-917,-918,-913,-912,-910,-1385,-1336,-29998,-29999,-29999]} 1. f4 {[%emt 0:01:31]} d5 {[%emt 0:00:39]} 2. Nf3 {[%emt 0:00:21]} Nf6 {[%emt 0:00:17]} 3. e3 {[%emt 0:00:08]} c5 {[%emt 0:00:44]} 4. d4 {[%emt 0:03:52]} e6 {[%emt 0:02:28]} 5. c3 {[%emt 0:00:11]} Nc6 {[%emt 0:01:20]} 6. Bd3 {[%emt 0:00:16]} Bd6 {[%emt 0:05:44]} 7. O-O {[%emt 0:00:18]} cxd4 {[%emt 0:00:44]} 8. exd4 {[%emt 0:00:10]} O-O {[%emt 0:01:16] D00: 1 d4 d5: Unusual lines.} 9. Qe2 {[%emt 0:01:56]} Qb6 {[%emt 0:03:46]} 10. Kh1 {[%emt 0:02:34]} Re8 {[%emt 0:04:37] White has an edge.} 11. Ne5 {[%emt 0:03:10] [#]} Ne7 $146 {[%emt 0:06:17][%cal Bc6e7,Be7f5,Bf5h4][%mdl 32]} ({Predecessor:} 11... Nd7 12. Nd2 Nf8 13. Qf3 Ne7 14. Qf2 f6 15. Ng4 Nf5 16. h3 Ng6 17. g3 Bd7 {0-1 (70) Freitag,M (1610)-Van Dijk,G (1795) Germany 2009}) 12. Nd2 {[%emt 0:08:30]} g6 {[%emt 0:14:49]} 13. Rf3 {[%emt 0:13:06]} h5 {[%emt 0:08:45]} 14. Nf1 {[%emt 0:00:32]} (14. Rh3 $16) 14... Kg7 {[%emt 0:01:03]} 15. g3 {[%emt 0:07:40]} (15. Rh3 $14) 15... Nf5 {[%emt 0:02:45]} 16. h3 {[%emt 0:01:16]} Rh8 {[%emt 0:01:36]} 17. Kg2 {[%emt 0:01:09]} ({White should try} 17. Kg1 $11) 17... Bd7 {[%emt 0:01:02]} (17... Ne4 $5) 18. Rf2 {[%emt 0:00:12]} Bc6 {[%emt 0:01:52]} 19. g4 {[%emt 0:53:08]} (19. Ne3 $15) 19... hxg4 {[%emt 0:03:04] Really sharp! &Nero is more active.} 20. hxg4 {[%emt 0:00:00]} Nh4+ {[%emt 0:03:44]} 21. Kg1 {[%emt 0:00:00]} Ne4 {[%emt 0:01:48] Prevents Ng3.} 22. Rh2 {[%emt 0:00:00]} (22. Nc4 $17 {was worth a try.} Nxc3 23. Nxb6 Nxe2+ 24. Bxe2 axb6 25. Bd3) 22... Rh7 {[%emt 0:00:59]} 23. Nf3 $2 {[%emt 0:00:00] Now White is beyond hope.} (23. Nc4 $17 Nxc3 24. Nxb6 Nxe2+ 25. Bxe2 axb6 26. Rh1) 23... Rah8 $19 {[%emt 0:01:36][%cal Ba8h8,Bh8h3,Bh3g3][%mdl 32]} ({Avoid the trap} 23... Nxf3+ $2 24. Qxf3 Rxh2 25. Nxh2 $19) 24. Nxh4 {[%emt 0:00:00]} ({Inferior is} 24. Ne5 g5 25. Rh3 gxf4 26. Bxf4 Qc7 $17) 24... Rxh4 {[%emt 0:00:10]} 25. Be3 {[%emt 0:00:00]} Rxh2 {[%emt 0:00:31]} 26. Nxh2 {[%emt 0:00:00]} Qd8 {[%emt 0:01:11]} 27. Bxe4 {[%emt 0:00:00]} dxe4 {[%emt 0:00:23]} 28. g5 {[%emt 0:00:00]} Rh3 {[%emt 0:02:39]} 29. Rf1 $2 {[%emt 0:00:00]} (29. Re1) 29... Qh8 $2 {[%emt 0:01:28]} (29... Bb5 30. Qf2 (30. Qxb5 $2 Rxe3 31. Rf2 Qh8 $19) 30... Bxf1 31. Nxf1 Qh8) 30. d5 $2 {[%emt 0:00:00]} (30. Qf2 Bb5 31. Rc1) 30... Rg3+ {[%emt 0:00:55]} 31. Kh1 {[%emt 0:03:26]} Bxd5 {[%emt 0:00:11] This bishop pair is nice.} 32. c4 {[%emt 0:01:18]} Bc6 {[%emt 0:00:29] [#] Hoping for ...Qh3.} 33. b4 {[%emt 0:00:12]} (33. Rg1 $142 Rh3 34. b4) 33... Qh3 {[%emt 0:03:24]} 34. b5 {[%emt 0:00:05]} Rxe3 {[%emt 0:03:37]} 35. Qb2+ {[%emt 0:00:06]} Kg8 {[%emt 0:00:09] Strongly threatening ...Rf3.} 36. bxc6 {[%emt 0:00:09]} bxc6 {[%emt 0:00:05]} 37. c5 {[%emt 0:01:48] [#]} Bxf4 $1 {[%emt 0:00:49][%mdl 512]} 38. Rxf4 {[%emt 0:01:18]} (38. Qd2 Rf3) 38... Re1+ {[%emt 0:00:09]} 39. Rf1 {[%emt 0:00:04]} Rxf1# {[%emt 0:00:08] Weighted Error Value: White=1.07/Black=0.28 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.16"]
[White "Jorajuria Mendoza, Algol"]
[Black "Tapie Amione, Pablo Adib"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2006"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,138,0,13,0,-1,-9,18,15,14,7,21,37,33,0,0,6,0,0,0,-3,4,-22,-25,-45,-21,-36,-29,-29,-13,-20,35,27,38,24,33,34,102,104,156,149,156,125,114,120,119,120,122,118,129,130,164,150,172,135,160,157,151,137,137,141,126,133,183,181,218,244,514,60,60,57,66,16,140,118,132,150,146,92,94,93,93,93,93,108,197,221,186,214,454,437,462,424,419,409,481,465,489,502,480,482,464,444,483,316,310,298,354,261,545,535,579,543,782,771,700,660,823,796,873,733,907,876,832,882,873,866,905,882,1015,937,800]} 1. e4 {[%emt 0:00:05]} e6 {[%emt 0:07:12]} 2. d4 {[%emt 0:00:19]} c5 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:00:14]} cxd4 {[%emt 0:00:07]} 4. Qxd4 {[%emt 0:00:18]} Nc6 {[%emt 0:00:36]} 5. Qe3 {[%emt 0:00:05]} Nf6 {[%emt 0:04:22]} 6. Be2 {[%emt 0:00:05] B40: Sicilian: 2...e6, Unusual lines.} d5 {[%emt 0:00:16]} 7. exd5 {[%emt 0:00:04] [#]} Nb4 $146 {[%emt 0:01:35]} (7... Qxd5 8. Nc3 Qf5 9. Bd3 $14) ({Predecessor:} 7... Nxd5 8. Qb3 Bc5 9. O-O O-O 10. Rd1 Qc7 11. Nc3 Nxc3 12. Qxc3 Qb6 13. Be3 Bxe3 14. fxe3 {½-½ (59) Artemiev,V (2706)-Chigaev,M (2599) Sochi 2018}) 8. Na3 {[%emt 0:15:23] And now dxe6 would win. The position is equal.} Nbxd5 {[%emt 0:00:54]} 9. Qb3 {[%emt 0:00:20]} Qa5+ {[%emt 0:34:24]} 10. Bd2 {[%emt 0:01:15]} Bb4 {[%emt 0:02:14]} 11. O-O {[%emt 0:11:33]} Bxd2 {[%emt 0:01:54]} 12. Nc4 {[%emt 0:00:13][%csl LRa5,LRd2]} Qc7 {[%emt 0:00:43]} 13. Nfxd2 {[%emt 0:04:13]} O-O {[%emt 0:00:29]} 14. Bf3 {[%emt 0:04:59]} b6 {[%emt 0:04:48][%cal Bb7b6,Bb6b5][%mdl 32]} 15. a4 {[%emt 0:02:09]} Ba6 {[%emt 0:00:10]} 16. Rfc1 {[%emt 0:02:05]} Rad8 {[%emt 0:03:53]} 17. a5 {[%emt 0:10:19] Strongly threatening axb6.} b5 {[%emt 0:00:44]} 18. Ne3 {[%emt 0:00:37]} Nf4 {[%emt 0:01:02]} 19. Rd1 {[%emt 0:01:56]} Nd7 {[%emt 0:04:45]} (19... Qe7 $11) 20. Qb4 $1 $14 {[%emt 0:02:15]} Ng6 {[%emt 0:06:56]} 21. Ne4 {[%emt 0:04:19][%cal Bd2e4,Be4d6,Bd6b5][%mdl 32]} Nde5 {[%emt 0:15:54]} 22. Be2 {[%emt 0:00:35]} Nc6 {[%emt 0:00:43]} (22... Bb7 $14) 23. Qc5 $1 $16 {[%emt 0:01:54]} Nge7 {[%emt 0:00:20]} ({Black should try} 23... Nge5) 24. Nd6 $1 {[%emt 0:03:02]} (24. Bxb5 $6 Bxb5 25. Qxb5 Rb8 $14) 24... Rd7 {[%emt 0:02:49]} 25. Bxb5 {[%emt 0:02:54] &Bianco is much more active.} (25. Nxb5 Rxd1+ 26. Nxd1 (26. Rxd1 Qxa5 27. c4 Rc8 $14) 26... Bxb5 27. Bxb5 Qe5 28. Qxe5 Nxe5 $16) 25... Bxb5 {[%emt 0:01:54]} 26. Nxb5 {[%emt 0:00:06]} Rxd1+ {[%emt 0:00:03]} 27. Nxd1 {[%emt 0:00:14]} Qb8 {[%emt 0:00:26]} 28. a6 {[%emt 0:02:22]} Rd8 {[%emt 0:00:31] White must now prevent ...Rd5.} 29. Ne3 {[%emt 0:00:56] Against Rd5} f5 {[%emt 0:00:35]} 30. c4 {[%emt 0:07:11]} Rd2 {[%emt 0:00:20]} 31. b3 {[%emt 0:01:48][%cal Bb2b3,Bb3b4,Bb4b5][%mdl 32]} Qf4 {[%emt 0:00:12]} 32. Nf1 $1 {[%emt 0:00:09]} ({But not} 32. Nxa7 $2 Qxf2+ 33. Kh1 f4 $19) 32... Rd7 {[%emt 0:00:07]} 33. b4 {[%emt 0:04:29]} Qe5 {[%emt 0:01:31]} 34. Qxe5 {[%emt 0:01:01]} Nxe5 {[%emt 0:00:01]} 35. Na3 {[%emt 0:01:58]} Rc7 {[%emt 0:01:40]} (35... Kf7 $16) 36. b5 $18 {[%emt 0:00:23][%cal Ob5b6] Threatens to win with b6!} Nc8 {[%emt 0:00:09]} (36... Nxc4 $2 37. Rc1 $18) 37. Re1 {[%emt 0:00:50]} Nxc4 {[%emt 0:00:18]} (37... Nd3 38. Rxe6 Kf7) 38. Nxc4 $2 {[%emt 0:00:52]} ({White must play} 38. Rc1 $1 $18 {[%cal Rc1c4]}) 38... Rxc4 $14 {[%emt 0:00:05]} 39. Rxe6 $18 {[%emt 0:00:03][%mdl 4096] Endgame KRN-KRN} Kf7 {[%emt 0:00:11]} 40. Re5 {[%emt 0:00:28]} (40. Re1 $14) 40... Rc1 {[%emt 0:00:23]} (40... Nd6 $1 $11 {keeps the balance.}) 41. Rxf5+ $16 {[%emt 0:00:36]} Ke7 {[%emt 0:00:27]} 42. g4 {[%emt 0:00:56][%cal Bg2g4,Bg4g5][%mdl 32]} Nd6 {[%emt 0:00:10] [#]} 43. Rh5 {[%emt 0:01:40]} (43. Re5+ $142 $1 Kf6 44. Rh5) 43... h6 {[%emt 0:00:39]} 44. Kg2 {[%emt 0:01:33]} ({Reject} 44. b6 $6 axb6 45. Kg2 (45. Re5+ Kf6 $11) 45... Ra1 $11) 44... Rb1 {[%emt 0:00:07]} 45. Rc5 {[%emt 0:01:47] Hoping for Rc7+.} Kd7 {[%emt 0:00:19] Inhibits Rc7+.} 46. Ne3 {[%emt 0:00:05]} g6 {[%emt 0:00:23] Against Nf5} (46... Rxb5 $16 {was worth a try.} 47. Rxb5 Nxb5) 47. g5 $18 {[%emt 0:01:51]} h5 {[%emt 0:00:15] [#]} 48. Nd5 $1 {[%emt 0:00:46][%cal Ob5b6] b6! is the strong threat.} Nxb5 {[%emt 0:00:58]} (48... Rxb5 49. Rxb5 Nxb5) 49. Nf4 {[%emt 0:00:32]} Kd6 {[%emt 0:01:56]} 50. Rd5+ {[%emt 0:00:40]} Kc6 {[%emt 0:00:11]} 51. Re5 {[%emt 0:00:05]} Rb4 {[%emt 0:02:23]} 52. Nxg6 {[%emt 0:02:38]} Rg4+ {[%emt 0:00:06]} 53. Kf3 {[%emt 0:00:13]} Nd4+ {[%emt 0:00:31]} 54. Ke3 {[%emt 0:00:12]} Nc2+ {[%emt 0:00:07]} 55. Kd2 {[%emt 0:00:53]} Nd4 {[%emt 0:00:08]} 56. Kd3 {[%emt 0:00:07] aiming for h3.} Nf3 {[%emt 0:00:06]} 57. Ke3 {[%emt 0:03:23]} Nxh2 {[%emt 0:00:11]} 58. Ne7+ {[%emt 0:01:14]} Kd6 $2 {[%emt 0:00:27]} (58... Kd7 {keeps fighting.} 59. Ng6 h4 60. Re7+ Kd6) 59. f4 {[%emt 0:00:04] White is clearly winning.} Nf1+ {[%emt 0:00:07]} 60. Ke4 {[%emt 0:00:22]} h4 {[%emt 0:02:02]} 61. Nf5+ {[%emt 0:01:02]} Kc6 {[%emt 0:00:16]} 62. Re6+ {[%emt 0:00:06]} Kb5 {[%emt 0:00:25]} 63. Rh6 {[%emt 0:00:13]} Nd2+ {[%emt 0:00:35]} 64. Ke3 {[%emt 0:00:27]} Nf1+ {[%emt 0:00:02]} 65. Kf3 {[%emt 0:00:04]} Nh2+ {[%emt 0:00:02]} 66. Ke4 {[%emt 0:00:06]} Rg1 {[%emt 0:01:39]} 67. Nxh4 {[%emt 0:00:38]} Ng4 {[%emt 0:00:07]} 68. Re6 {[%emt 0:01:09]} Rh1 {[%emt 0:01:01]} 69. Nf3 {[%emt 0:01:05]} Rh3 {[%emt 0:01:40] Weighted Error Value: White=0.19 (very precise) /Black=0.38} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.17"]
[White "Flores Irurso, Paul Josue"]
[Black "Avila Rodriguez, Joshua Ad"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1912"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 21,108,14,16,13,4,20,14,0,0,10,20,-2,0,-14,39,0,0,-19,-28,-22,-19,-17,0,0,0,0,52,70,113,87,110,9,27,0,0,0,0,0,0,0,212,210,98,0,0,0,0,0,0,0,0,0,0,-127,-135,-133,-131,-143,-135,-143,-120,-133,-108,-128,-81,-301,-295,-287,-271,-470,-463,-453,-446,-756,-754,-751,-732,-859,-729,-716,-695,-29982,-29983,-29983,-29984,-29985,-29986,-29982,-6841]} 1. e4 {[%emt 0:00:48]} c5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:31]} d6 {[%emt 0:00:07]} 3. d4 {[%emt 0:00:13]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:14]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:33]} a6 {[%emt 0:00:17]} 6. Be3 {[%emt 0:01:53]} e5 {[%emt 0:00:13]} 7. Nb3 {[%emt 0:00:23]} Be7 {[%emt 0:00:10]} 8. f3 {[%emt 0:01:20]} Be6 {[%emt 0:00:32]} 9. Qd2 {[%emt 0:02:24]} h5 {[%emt 0:00:34]} 10. O-O-O {[%emt 0:06:54]} Nbd7 {[%emt 0:00:27]} 11. Kb1 {[%emt 0:05:07]} Rc8 $1 {[%emt 0:01:15][%mdl 4] is more profitable than 11...b5 at the moment.} 12. Nd5 {[%emt 0:14:47] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nxd5 {[%emt 0:00:57]} 13. exd5 {[%emt 0:00:27]} Bf5 {[%emt 0:00:10]} 14. Bd3 {[%emt 0:00:24] The position is equal.} Bxd3 {[%emt 0:00:11]} 15. Qxd3 {[%emt 0:00:06]} Bg5 {[%emt 0:00:09]} 16. Rhe1 {[%emt 0:08:10]} O-O {[%emt 0:09:48]} 17. g4 {[%emt 0:03:29] [#]} h4 $146 {[%emt 0:06:35]} (17... Bxe3 $11 18. Qxe3 (18. Rxe3 Qg5 $11) 18... hxg4) ({Predecessor:} 17... hxg4 18. fxg4 Bxe3 19. Rxe3 Qg5 20. Rh3 g6 21. Rf1 Kg7 22. Nd2 Nc5 23. Qe2 Rh8 {1-0 (31) Zaichenko,D (2104)-Carroll,T (2033) Chess.com INT 2021}) 18. Bxg5 {[%emt 0:11:23]} Qxg5 {[%emt 0:00:33]} 19. Qf5 {[%emt 0:00:12]} Qxf5 {[%emt 0:21:36]} 20. gxf5 {[%emt 0:00:02]} Nf6 {[%emt 0:00:21] Inhibits Re4.} 21. Nd2 {[%emt 0:06:38]} Nh5 {[%emt 0:02:50]} (21... Nxd5 22. Ne4 Ne7 23. f6 (23. Nxd6 Rcd8 $11) 23... gxf6 24. Nxf6+ (24. Rxd6 f5 $11) 24... Kg7 25. Nd7 $11 (25. Rxd6 Rfd8 $14)) 22. Ne4 {[%emt 0:00:31]} Rfd8 {[%emt 0:00:05]} 23. Rg1 {[%emt 0:01:55]} f6 {[%emt 0:02:32]} (23... Kf8 $11) 24. Rg4 $14 {[%emt 0:01:08]} h3 {[%emt 0:00:15]} 25. Rdg1 {[%emt 0:00:25]} Kf7 {[%emt 0:07:28]} 26. Rh4 {[%emt 0:00:35]} (26. f4 $1 $16) 26... Nf4 $11 {[%emt 0:00:25]} 27. Rgg4 {[%emt 0:01:59]} Rd7 $1 {[%emt 0:01:42]} (27... Nxd5 $2 28. Rh7 Rg8 29. Nxd6+ Ke7 30. Nxc8+ Rxc8 31. Rgxg7+ Kd6 32. Rxb7 $18) 28. Rh7 {[%emt 0:03:05]} Rg8 {[%emt 0:00:14]} 29. c4 {[%emt 0:01:39]} Rdd8 {[%emt 0:05:24]} 30. Kc2 {[%emt 0:08:30]} Ne2 $2 {[%emt 0:03:17]} (30... b6 $11 {and Black stays safe.}) 31. Rg6 $1 $18 {[%emt 0:03:08] Black must now prevent Rxf6+.} Kf8 {[%emt 0:13:01] [#]} 32. Kd2 {[%emt 0:05:53]} ({Worse is} 32. Rxh3 Nf4 33. Rh7 Nxg6 34. fxg6 b5 $15) ({Better is} 32. Nxf6 $1 $16 gxf6 33. Rxf6+ Ke8 34. Rff7 (34. Re6+ Kf8 $16)) 32... Nd4 $11 {[%emt 0:01:32][%csl LRf3,LRf5]} 33. Rxh3 {[%emt 0:03:00]} Nxf5 {[%emt 0:03:46]} 34. Rh7 {[%emt 0:01:21]} Ne7 {[%emt 0:02:58]} ({Much less strong is} 34... Nd4 35. h4 $16) 35. Rg1 {[%emt 0:00:37]} Kf7 {[%emt 0:00:17]} 36. b3 {[%emt 0:02:36]} Nf5 {[%emt 0:00:19]} 37. Ng3 {[%emt 0:01:18]} (37. Kd3 $11 {remains equal.}) 37... Nd4 $17 {[%emt 0:00:35]} 38. Ke3 {[%emt 0:00:50]} Rh8 {[%emt 0:00:44]} 39. Rxh8 {[%emt 0:00:08]} Rxh8 {[%emt 0:00:04][%mdl 4096] Endgame KRN-KRN} 40. Rg2 {[%emt 0:00:39]} g5 {[%emt 0:10:42] &Nero is more active.} 41. Ne4 {[%emt 0:02:20]} Ke7 {[%emt 0:00:06]} 42. b4 {[%emt 0:01:04]} Rh3 {[%emt 0:00:21]} (42... Nf5+ $142 43. Kd3 Rh3) 43. Ng3 $2 {[%emt 0:00:14]} (43. Rf2 $17 {was called for.}) 43... f5 $19 {[%emt 0:01:30]} 44. Kf2 {[%emt 0:00:31]} b6 {[%emt 0:00:11][%cal Bb7b6,Bb6a5,Ba5b4,Bb4b3][%mdl 32]} 45. a4 $2 {[%emt 0:00:41]} (45. Kf1) 45... Kf6 {[%emt 0:01:14]} 46. a5 {[%emt 0:02:24]} bxa5 {[%emt 0:00:20]} 47. c5 {[%emt 0:00:27]} (47. bxa5 $142 Rh4 48. c5) 47... axb4 {[%emt 0:00:10]} 48. c6 {[%emt 0:00:32]} Ke7 {[%emt 0:00:12]} 49. Kf1 {[%emt 0:00:08]} b3 {[%emt 0:00:25]} 50. Rb2 {[%emt 0:00:29]} a5 {[%emt 0:01:12] Hoping for ...a4.} 51. Ne2 {[%emt 0:00:50]} Rxh2 {[%emt 0:03:16] Black mates.} 52. Nxd4 {[%emt 0:00:56]} Rxb2 {[%emt 0:00:07]} 53. Nxf5+ {[%emt 0:00:18]} Kd8 {[%emt 0:00:07]} 54. Nxd6 {[%emt 0:00:10]} Rc2 {[%emt 0:00:10] Black used his chance.  Weighted Error Value: White=0.55/Black=0.20 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.18"]
[White "Lopez Raygoza, Luis Alberto"]
[Black "Guerrero Cataldo, Juan Andres"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2207"]
[BlackElo "1976"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,79,0,0,7,68,-14,-17,-19,-10,-16,0,-20,0,-26,-16,-34,0,0,39,30,15,26,106,104,110,98,99,78,142,124,160,145,146,154,147,95,116,70,82,89,85,22,38,38,53,20,64,60,60,61,78,10,8,9,37,35,35,4,4,4,4,0,0,0,0,0,0,0,0,0,0,-17]} 1. e4 {[%emt 0:04:54]} c6 {[%emt 0:14:27]} 2. Nf3 {[%emt 0:03:42]} d5 {[%emt 0:00:13]} 3. exd5 {[%emt 0:00:05]} cxd5 {[%emt 0:00:03]} 4. Ne5 {[%emt 0:00:04]} Nc6 {[%emt 0:02:04]} 5. Bb5 {[%emt 0:00:35]} Qc7 {[%emt 0:03:07]} 6. d4 {[%emt 0:05:38] B10: Caro-Kann: 2 d3 and 2 c4.} a6 {[%emt 0:02:08]} (6... e6 $11) 7. Ba4 {[%emt 0:04:58] &Bianco is much more active.} (7. Bxc6+ $14 bxc6 8. Nc3) 7... b5 $11 {[%emt 0:10:30]} 8. Nxc6 {[%emt 0:00:55]} Qxc6 {[%emt 0:00:03]} 9. Bb3 {[%emt 0:00:05]} Nf6 {[%emt 1:02:25]} 10. a4 {[%emt 0:01:43] [#]} Bd7 $146 {[%emt 0:00:00]} ({Predecessor:} 10... b4 11. a5 Bd7 12. Nd2 e6 13. Nf3 Bd6 14. Ne5 Qc7 15. Nxd7 Nxd7 16. Qg4 Kf8 {½-½ (45) Schulte,C (2109)-Winkler,F (1668) Goch 2006}) 11. Nd2 {[%emt 0:04:46]} e6 {[%emt 0:00:00]} 12. Nf3 {[%emt 0:01:17]} Bd6 {[%emt 0:00:00][%cal Rb5a4]} (12... Bb4+ 13. c3 Bd6 14. axb5 $11) 13. Ne5 {[%emt 0:01:48]} Bxe5 {[%emt 0:00:00]} 14. dxe5 {[%emt 1:07:00]} Ne4 15. Qg4 {[%emt 0:00:00]} Rg8 {[%emt 0:00:00] [#]} (15... Qc7 $11 {remains equal.}) 16. O-O $1 $16 {[%emt 0:00:00]} Qc7 {[%emt 0:00:00]} 17. axb5 {[%emt 0:00:00]} Bxb5 {[%emt 0:00:00]} 18. Re1 {[%emt 0:00:00]} Nc5 {[%emt 0:00:00]} (18... Rc8 $142) 19. Be3 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} ({Less strong is} 19... Nxb3 20. cxb3 Qxe5 21. Rac1) 20. Bg5 {[%emt 0:00:00][%cal Ob3d5] [#] aiming for Bxd5!} Nb6 {[%emt 0:00:00]} 21. Bd2 {[%emt 0:00:00]} Nc4 {[%emt 0:00:00]} 22. Bxc4 {[%emt 0:00:00]} (22. Bc3 $142) 22... Qxc4 {[%emt 0:00:00]} 23. Qg5 {[%emt 0:00:00]} ({Don't take} 23. Qxc4 Bxc4 24. b3 Bb5 $14) (23. Qh3 $16) 23... h6 {[%emt 0:00:00]} 24. Qg3 {[%emt 0:00:00]} g5 {[%emt 0:00:00]} 25. Rec1 {[%emt 0:00:00]} ({Better is} 25. Qa3 $16) 25... Rc8 {[%emt 0:00:00][%cal Ba8c8,Bc8c5,Bc5c7][%mdl 32]} 26. Qa3 {[%emt 0:00:00]} d4 {[%emt 0:00:00]} 27. Qg3 {[%emt 0:00:00]} Rc5 {[%emt 0:00:00]} 28. b3 {[%emt 0:00:00]} Qe2 {[%emt 0:00:00][%csl LRd2,LRe5]} 29. Bb4 {[%emt 0:00:00]} Rc7 {[%emt 0:02:20]} ({Weaker is} 29... Rxc2 30. Rxc2 Qxc2 31. Qf3 $16) 30. c4 {[%emt 0:00:00]} (30. Rd1 $16) 30... dxc3 $11 {[%emt 0:04:15]} 31. Bxc3 {[%emt 0:00:00] Bb4 is the strong threat.} (31. Rxc3 {seems wilder.} Qb2 32. Rd1 Rxc3 33. Bxc3 Qe2 34. Re1) 31... Qd3 {[%emt 0:01:03]} 32. Qxd3 {[%emt 0:00:00]} Bxd3 {[%emt 0:03:52]} 33. Ba5 {[%emt 0:00:00]} (33. Bb4 $5 {[%cal Rc1c7]} Rxc1+ 34. Rxc1 $14) 33... Rxc1+ {[%emt 0:00:00] The position is equal.} 34. Rxc1 {[%emt 0:00:00][%mdl 4096] Endgame Strongly threatening Rc8+. KRB-KRB} Kf8 {[%emt 0:00:00]} 35. f3 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 36. Kf2 {[%emt 0:00:00]} Rb8 {[%emt 0:00:00]} 37. Rc3 {[%emt 0:00:00]} Bb5 {[%emt 0:00:00]} 38. g4 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 39. Ke3 {[%emt 0:00:00]} h5 {[%emt 0:00:00]} 40. gxh5+ {[%emt 0:05:47] Black defended with fortune.  Weighted Error Value: White=0.19 (very precise) /Black=0.21 (precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.19"]
[White "Paredes Guzman, Francisco Javier"]
[Black "Capo Vidal, Uriel"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1891"]
[BlackElo "2306"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,121,22,16,8,23,15,22,18,20,14,21,17,23,22,29,24,22,24,25,0,0,0,0,0,0,0,0,-22,-22,-22,-22,-25,-23,-23,-24,-38,-15,-17,-17,-33,-37,-61,-9,-14,0,-14,-10,-14,0,0,7,0,7,0,0,0,54,12,18,23,34,29,24,30,58,54,54,52,54,46,89,89,89,89,89,89,89,89,89,89,89,89,189,169,163,175,176,158,410,411,393,378,360,326,681,684,684,684,674,661,661,652,628,621,616,592,575,490,574,573,552,539,477,442]} 1. d4 {[%emt 0:00:05]} d5 {[%emt 0:13:37]} 2. c4 {[%emt 0:00:31]} e6 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:15]} a6 {[%emt 0:00:08]} 4. c5 {[%emt 0:01:42]} b6 {[%emt 0:01:23]} 5. cxb6 {[%emt 0:00:06]} cxb6 {[%emt 0:04:53]} 6. Nf3 {[%emt 0:01:27] D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Bb7 {[%emt 0:02:42]} 7. Bf4 {[%emt 0:04:42]} Bd6 {[%emt 0:01:00]} 8. Bxd6 {[%emt 0:17:27] The position is equal.} Qxd6 {[%emt 0:00:21]} 9. e3 {[%emt 0:00:40]} Nd7 {[%emt 0:00:16]} 10. Qb3 {[%emt 0:14:10]} Ngf6 {[%emt 0:06:06]} 11. Bd3 {[%emt 0:04:55]} O-O {[%emt 0:01:10]} 12. O-O {[%emt 0:04:47]} b5 {[%emt 0:05:40] [#]} 13. a3 $146 {[%emt 0:10:24]} ({Predecessor:} 13. Rfc1 Rfc8 14. h3 g6 15. Bf1 Rc7 16. Ne2 Nb6 17. Rxc7 Qxc7 18. Qb4 Ne4 19. Rc1 {½-½ (47) Del Rio de Angelis,S (2546)-Garcia Martin,M (2301) Roquetas de Mar 2019}) 13... Ne4 {[%emt 0:01:55]} 14. Qb4 {[%emt 0:01:14]} Qxb4 {[%emt 0:05:07]} 15. axb4 {[%emt 0:00:05]} Nxc3 {[%emt 0:00:08]} 16. bxc3 {[%emt 0:00:02]} Rfc8 {[%emt 0:00:10]} 17. Rfc1 {[%emt 0:03:06]} Rc7 {[%emt 0:00:30]} 18. Nd2 {[%emt 0:01:14]} Rac8 {[%emt 0:00:11]} 19. Nb1 {[%emt 0:01:15]} Nb6 {[%emt 0:01:50]} 20. Ra3 {[%emt 0:05:52]} Kf8 {[%emt 0:01:57]} 21. Kf1 {[%emt 0:00:14]} Na4 {[%emt 0:02:43]} 22. Ke2 {[%emt 0:01:45]} Bc6 {[%emt 0:02:08]} 23. Bc2 {[%emt 0:05:54]} Be8 {[%emt 0:00:52][%cal Ra4c3]} 24. Bxa4 {[%emt 0:02:10]} bxa4 {[%emt 0:00:03]} 25. Kd2 {[%emt 0:01:11]} a5 {[%emt 0:01:14]} (25... Ke7 $15) 26. bxa5 $11 {[%emt 0:00:22]} Ra7 {[%emt 0:01:14]} 27. Ra1 {[%emt 0:00:58]} Rxa5 {[%emt 0:03:31]} 28. Na3 {[%emt 0:00:49] Against Rb5} Rd8 {[%emt 0:01:59]} 29. Rab1 {[%emt 0:01:00]} f6 {[%emt 0:03:37]} 30. Rb7 {[%emt 0:06:38]} e5 {[%emt 0:01:50]} 31. Ra1 {[%emt 0:04:47]} Ra6 {[%emt 0:04:17]} 32. Nc2 {[%emt 0:00:29]} e4 {[%emt 0:08:26]} ({Black should play} 32... Ra5 $11) 33. Na3 {[%emt 0:01:18]} ({Of course not} 33. Nb4 Ra5 $11) 33... Rc8 {[%emt 0:02:21]} 34. Rc1 {[%emt 0:00:27]} f5 {[%emt 0:03:01]} 35. h4 {[%emt 0:01:05]} h6 {[%emt 0:00:26]} 36. g3 {[%emt 0:00:46]} Kg8 {[%emt 0:09:48]} 37. Nc2 {[%emt 0:01:45]} Kf8 {[%emt 0:01:25]} 38. Nb4 {[%emt 0:00:16][%csl LRa6,LRd5]} Ra5 {[%emt 0:00:02]} 39. Ra1 {[%emt 0:00:36]} Bb5 {[%emt 0:01:58]} 40. Nxd5 {[%emt 0:01:05]} Bc6 {[%emt 0:03:43][%csl LRb7,LRd5]} 41. Rc7 {[%emt 0:00:15] &Bianco is much more active.} Rxc7 {[%emt 0:00:03]} 42. Nxc7 $16 {[%emt 0:00:04][%mdl 4096] [#] Endgame c4 is the strong threat. KRB-KRN} Ke7 {[%emt 0:00:29]} 43. c4 {[%emt 0:00:28][%cal Bc3c4,Bc4b5][%mdl 32] Hoping for Kc3.} Kd6 {[%emt 0:00:23]} 44. Nb5+ {[%emt 0:01:00]} Bxb5 {[%emt 0:00:16]} 45. cxb5 {[%emt 0:00:05] KR-KR} Kc7 {[%emt 0:00:52]} (45... Rxb5 $16 46. Rxa4 Rb2+ 47. Ke1 Rb6) 46. Kc3 $18 {[%emt 0:00:07] [#] Strongly threatening Kb4.} Kb6 {[%emt 0:00:01]} 47. Kc4 {[%emt 0:00:14] And now h5 would win.} a3 {[%emt 0:06:19]} 48. Ra2 {[%emt 0:01:16] Black must now prevent h5.} Ra4+ $2 {[%emt 0:01:14] Loses the game.} (48... g6 $16 {keeps fighting.} 49. Kc3 h5) 49. Kb3 {[%emt 0:00:07]} Kxb5 {[%emt 0:00:08]} 50. Rxa3 {[%emt 0:00:05]} Rb4+ {[%emt 0:00:02]} 51. Kc2 {[%emt 0:00:17] aiming for Rb3.} Kc4 {[%emt 0:01:45] Against Rb3} (51... g5 52. Rb3 gxh4 53. gxh4 Ka4) 52. Ra5 {[%emt 0:00:39][%csl Gd4][%cal Ra5c5] White is clearly winning.} Rb7 {[%emt 0:00:01]} 53. Rxf5 {[%emt 0:00:21]} Ra7 {[%emt 0:00:01]} 54. Rc5+ {[%emt 0:00:12]} Kb4 {[%emt 0:00:01]} 55. Kd2 {[%emt 0:00:10]} Ra2+ {[%emt 0:01:52]} 56. Ke1 {[%emt 0:00:11]} Ra7 {[%emt 0:00:14]} 57. Re5 {[%emt 0:00:45]} Kc4 {[%emt 0:00:08]} 58. Rf5 {[%emt 0:00:39]} Re7 {[%emt 0:01:14]} 59. Kd2 {[%emt 0:00:27]} Ra7 {[%emt 0:00:07]} 60. Rc5+ {[%emt 0:00:04]} Kb4 {[%emt 0:00:03]} 61. Ke2 {[%emt 0:00:04] Weighted Error Value: White=0.06 (flawless) /Black=0.22 (precise)} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.20"]
[White "Pena Davalos, David"]
[Black "Hernandez Guerrero, Eduardo"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1761"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,86,6,54,35,69,14,21,29,22,28,30,20,25,6,10,0,0,0,7,-13,7,4,13,-18,15,-22,0,0,0,0,0,-46,-38,-71,0,0,0,-69,-58,-52,-57,-59,-63,-58,-63,-68,-37,-30,-37,-39,-54,-48,-39,-54,-41,-117,-118,-95,-99,-142,-117,-276,-245,-267,-269,-304,-218,-219,-196,-745,-711,-629,-567,-4408,-2700,-6195,-6195,-5493,-5402]} 1. Nf3 {[%emt 0:01:14]} Nf6 {[%emt 0:00:29]} 2. c4 {[%emt 0:00:11]} e6 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:04:15]} c5 {[%emt 0:00:13]} 4. e3 {[%emt 0:03:25]} b6 {[%emt 0:04:51]} 5. Be2 {[%emt 0:01:55]} d6 {[%emt 0:02:16]} (5... Be7 $11) 6. O-O {[%emt 0:00:16] A34: Symmetrical English: 2 Nc3, lines with ...d5.} (6. d4 {keeps more tension.} d5 7. Ne5 Bd6 8. Qa4+) 6... Nbd7 {[%emt 0:00:04]} 7. b3 {[%emt 0:01:11]} (7. d4 $14) 7... Bb7 $11 {[%emt 0:02:44]} 8. Bb2 {[%emt 0:00:23] The position is equal.} Be7 {[%emt 0:00:06]} 9. d4 {[%emt 0:02:57]} a6 {[%emt 0:00:06]} 10. Re1 {[%emt 0:03:10]} O-O {[%emt 0:00:09]} 11. Nd2 {[%emt 0:04:35] [#]} Rb8 $146 {[%emt 0:03:15]} ({Predecessor:} 11... cxd4 12. exd4 d5 13. Rc1 Ra7 14. Bf3 Bd6 15. g3 Ba8 {½-½ (15) Krak,T (2266)-Zambor,N (2252) Slovakia 2018}) 12. a4 {[%emt 0:03:26]} d5 {[%emt 0:01:31]} 13. Nf3 {[%emt 0:03:57]} Bd6 {[%emt 0:01:08]} 14. Rc1 {[%emt 0:04:26]} Re8 {[%emt 0:00:08]} 15. cxd5 {[%emt 0:05:17]} exd5 {[%emt 0:00:10]} 16. Rc2 {[%emt 0:01:07]} Ne4 {[%emt 0:12:45]} 17. dxc5 {[%emt 0:07:17]} Ndxc5 {[%emt 0:00:10]} 18. b4 {[%emt 0:13:15]} Nxc3 {[%emt 0:01:26]} 19. Bxc3 {[%emt 0:00:30]} Ne4 {[%emt 0:00:28]} 20. Bd2 {[%emt 0:04:04]} (20. Qb1 $11) 20... Re6 $15 {[%emt 0:04:42]} 21. g3 {[%emt 0:02:42]} Rf6 {[%emt 0:02:06]} (21... Rh6 $17) 22. Rf1 $11 {[%emt 0:05:56]} Qd7 {[%emt 0:00:48] Strongly threatening ...Qh3.} 23. Bc3 {[%emt 0:03:55]} (23. Nd4 $1 $11) 23... Nxc3 $15 {[%emt 0:14:55]} 24. Rxc3 {[%emt 0:00:54]} Bxb4 {[%emt 0:00:17]} 25. Rc1 {[%emt 0:01:18]} Re8 {[%emt 0:03:40][%cal Od5d4]} 26. Nd4 {[%emt 0:03:23]} Bc5 $36 {[%emt 0:00:15][%mdl 2048] Black is pushing.} 27. a5 {[%emt 0:01:08]} Qe7 {[%emt 0:06:11]} (27... Ba3 $5 {[%cal Ra3c1]} 28. Ra1 Bb2 $17) 28. axb6 {[%emt 0:01:05]} Bxb6 {[%emt 0:00:21]} 29. Rb1 {[%emt 0:00:19]} Bc8 {[%emt 0:00:13]} 30. Bg4 {[%emt 0:00:54] Against Bh3} Qe4 {[%emt 0:01:13]} 31. Bxc8 {[%emt 0:01:29]} Rxc8 {[%emt 0:00:07]} 32. Rc1 {[%emt 0:00:46]} ({White should play} 32. Ne2 $15) 32... Rxc1 $17 {[%emt 0:00:20] &Nero is more active.} 33. Qxc1 {[%emt 0:00:10] [#] Intending Qc8+ and mate.} h5 {[%emt 0:00:15]} 34. Qc8+ {[%emt 0:03:44]} Kh7 {[%emt 0:00:09]} 35. Qh3 $2 {[%emt 0:00:10] Loses the game.} (35. Qc3 $17) 35... Bxd4 $19 {[%emt 0:02:06]} 36. exd4 {[%emt 0:00:38][%mdl 4096] Endgame KQR-KQR} g6 {[%emt 0:00:06]} ({Not} 36... Qxd4 37. Qxh5+ Kg8 38. Qd1 $15) 37. Rd1 {[%emt 0:01:41]} Qe2 {[%emt 0:01:34][%csl LRd1,LRf2]} 38. Qf1 {[%emt 0:01:22]} Rxf2 {[%emt 0:00:21]} 39. Qxf2 {[%emt 0:00:12]} (39. Qxe2 Rxe2 40. Ra1) 39... Qxd1+ {[%emt 0:00:05] Black is clearly winning.} 40. Kg2 {[%emt 0:00:06]} Kg7 {[%emt 0:00:07] [#] Hoping for ...a5.} 41. Qf4 {[%emt 0:00:20]} Qe2+ {[%emt 0:00:14]} 42. Kg1 {[%emt 0:00:18]} Qe1+ {[%emt 0:00:28]} 43. Kg2 {[%emt 0:00:21]} Qe4+ {[%emt 0:00:07] Weighted Error Value: White=0.65/Black=0.09 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.21"]
[White "Luna Javier, Edgar Froylan"]
[Black "Martinez Martinez, Ian Alf"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2148"]
[BlackElo "1821"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,75,-17,18,-11,30,20,43,40,54,36,43,10,106,23,113,92,91,103,125,62,125,131,217,208,197,150,243,201,202,221,206,136,170,143,153,154,284,318,447,440,448,300,285,95,195,173,675,672,678,667,601,171,164,162,193,73,70,76,83,84,73,79,86,87,80,0,431,379]} 1. Nf3 {[%emt 0:05:15]} Nf6 {[%emt 0:01:47]} 2. g3 {[%emt 0:00:07]} d5 {[%emt 0:00:09]} 3. Bg2 {[%emt 0:00:08]} Bg4 {[%emt 0:00:22]} 4. d4 {[%emt 0:01:19]} e6 {[%emt 0:00:58]} 5. h3 {[%emt 0:05:33]} Bh5 {[%emt 0:00:36]} (5... Bxf3 $5 6. Bxf3 c5 $11) 6. Ne5 {[%emt 0:00:49] [#] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nfd7 $146 {[%emt 0:05:10]} ({Predecessor:} 6... Nbd7 7. g4 Bg6 8. Nxg6 hxg6 9. Nc3 c6 10. g5 Nh5 11. e4 Bd6 12. e5 Be7 {1-0 (20) Manis,J-Thornton,A IECG email 2002}) 7. Nd3 {[%emt 0:02:57][%cal Oc2c4]} f6 {[%emt 0:10:41]} 8. O-O {[%emt 0:02:04][%cal Oc2c4] White is slightly better.} Na6 {[%emt 0:05:50]} 9. Nf4 {[%emt 0:02:26]} Bf7 {[%emt 0:00:16]} 10. e4 {[%emt 0:00:30]} (10. c4 $5) 10... c6 {[%emt 0:15:00]} (10... dxe4 $1 $11 11. Bxe4 c6) 11. Re1 {[%emt 0:01:48]} (11. exd5 $16 exd5 12. Re1+ Be7 13. Qe2) 11... Be7 {[%emt 0:00:51]} (11... dxe4 $1 $11 12. Bxe4 e5) 12. exd5 $16 {[%emt 0:03:55]} exd5 {[%emt 0:00:33]} 13. Qe2 $1 $36 {[%emt 0:01:44][%mdl 2048] White has strong initiative.} Kf8 {[%emt 0:05:15]} 14. c4 {[%emt 0:06:17]} (14. h4 $16) 14... Nc7 {[%emt 0:05:48]} (14... dxc4 $14 15. Ne6+ Bxe6 16. Qxe6 Nb6) 15. cxd5 {[%emt 0:02:47] 0x0.001c68f4b568dp-1022s more active pieces.} cxd5 {[%emt 0:02:42]} (15... Nxd5 $16 16. Nxd5 cxd5) 16. Nc3 $18 {[%emt 0:00:40][%cal Rc3d5]} Nb6 {[%emt 0:02:38]} 17. a4 {[%emt 0:01:21]} ({White should try} 17. h4 $18) 17... Bb4 {[%emt 0:00:51]} (17... g5 $16 18. a5 Nc8) 18. Nd3 {[%emt 0:10:09]} Bxc3 {[%emt 0:16:11]} 19. bxc3 {[%emt 0:00:09] Black must now prevent Nc5.} Nc4 {[%emt 0:00:35]} 20. Nb2 {[%emt 0:04:13][%cal Bd3b2,Bb2d1,Bd1e3,Be3g4,Bg4f6][%mdl 32]} Nd6 {[%emt 0:02:47]} 21. Nd1 {[%emt 0:01:33]} Qd7 {[%emt 0:01:09]} 22. Ne3 {[%emt 0:01:29]} Be6 {[%emt 0:09:27]} (22... Kg8 $16 {was called for.} 23. Ba3 Re8) 23. Ba3 {[%emt 0:00:58] And now c4 would win.} Re8 {[%emt 0:02:40]} (23... Kg8 {might work better.} 24. Qa2 Nf7) 24. Rab1 {[%emt 0:05:17]} b6 {[%emt 0:02:33]} 25. a5 {[%emt 0:02:17]} b5 {[%emt 0:01:03]} 26. a6 $2 {[%emt 0:03:43]} (26. c4 $18 {and White stays clearly on top.} bxc4 27. Rb7) 26... g6 {[%emt 0:02:11]} (26... h5 $16 {is a better defense.}) 27. Ng4 {[%emt 0:05:46]} Kg7 {[%emt 0:00:27] [#]} (27... Bxg4 28. Qxg4 Rd8) 28. Nxf6 $1 {[%emt 0:01:26][%mdl 512]} Kxf6 {[%emt 0:01:55]} 29. Qe5+ {[%emt 0:00:01]} Ke7 {[%emt 0:01:14][%cal Bf6e7,Be7f7,Bf7g7][%mdl 32]} 30. Bxd5 $2 {[%emt 0:00:51]} (30. c4 {[%cal Rc4d5]} Rhf8 31. c5) 30... Nxd5 {[%emt 0:01:37]} 31. Qxd5 {[%emt 0:00:01]} Rd8 {[%emt 0:00:39]} 32. Rxb5 {[%emt 0:04:10] Really sharp!} (32. g4 $1 $18 {is more deadly.}) 32... Kf7 $16 {[%emt 0:00:35][%csl LRb5,LRd5]} 33. Qf3+ {[%emt 0:01:50][%mdl 1024] White has compensation.} Kg7 {[%emt 0:00:27] [#]} (33... Kg8 $2 34. Rbe5 Rf8 35. Qxf8+ $3 {[%mdl 512]} Kxf8 36. Rxe6 $18) 34. Rbe5 {[%emt 0:04:12][%cal Bb5e5,Be5e7,Be7b7][%mdl 32]} Rhf8 {[%emt 0:00:45]} 35. Qe2 {[%emt 0:02:41]} Bf7 {[%emt 0:00:46]} 36. Re7 {[%emt 0:03:37][%mdl 64] Skewer} Qb5 {[%emt 0:00:47] [#]} 37. Qe6 {[%emt 0:02:26] Prevents Qd5.} ({Weaker is} 37. Rxa7 Rfe8 38. Qd1 (38. Rxf7+ Kxf7 39. Qf3+ Qf5 $17) 38... Nc8 39. Rxe8 Rxe8 $15) (37. Bb4 $1 $16 {Qe5+ is the strong threat.} Qxe2 38. R1xe2) 37... Nc8 $2 {[%emt 0:00:51][%mdl 8192]} (37... Kg8 $11 38. Qf6 Qf5 39. Qxf5 gxf5) 38. Rb7 {[%emt 0:01:33] Weighted Error Value: White=0.57/Black=0.69} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.22"]
[White "Kowalski Davila, Emilio Luis"]
[Black "Palma Villanueva, Miguel Ta"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1735"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "174"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,174,89,84,60,32,74,78,88,66,76,68,102,63,64,59,80,55,91,77,110,77,115,78,70,70,83,68,119,118,136,87,104,113,122,82,210,208,217,191,271,141,120,31,22,91,121,0,33,50,52,43,54,-185,0,-6,0,0,112,117,163,163,167,160,208,207,200,173,104,104,289,208,162,180,314,0,231,199,729,193,215,203,484,429,1460,1495,1271,349,287,327,395,360,347,195,335,320,278,133,133,125,239,135,242,242,222,222,181,185,4133,0,0,0,8,0,0,-389,-389,-381,-374,-367,-367,-367,-367,-360,-360,-359,-337,-331,-323,-315,-315,-237,-222,-414,-334,-5054,-4999,-4524,-4095,-5054,-4812,-3687,-3629,-3375,-3273,-3155,-2386,-2322,-2128,-1695,-1377,-2928,-2508,-1940,-1759,-29967,-29969,-29981,-29982]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:05]} g6 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:04]} 4. Nc3 {[%emt 0:00:07]} O-O {[%emt 0:00:09]} 5. e4 {[%emt 0:00:03]} d6 {[%emt 0:00:10]} 6. h3 {[%emt 0:00:12]} c5 {[%emt 0:00:29]} 7. d5 {[%emt 0:00:09]} e6 {[%emt 0:00:16]} 8. Bd3 {[%emt 0:00:28]} exd5 {[%emt 0:00:12]} 9. exd5 {[%emt 0:00:12]} Na6 {[%emt 0:05:31]} 10. O-O $1 {[%emt 0:01:01]} Nc7 {[%emt 0:00:37] E90: King's Indian: Classical: Early deviations and 6 h3.} 11. a4 {[%emt 0:01:29]} Rb8 {[%emt 0:04:33]} 12. Bg5 {[%emt 0:02:45]} h6 {[%emt 0:07:36] [#] White is better.} 13. Bf4 $146 {[%emt 0:05:52]} ({Predecessor:} 13. Be3 b6 14. Qd2 Kh7 15. g4 Ng8 16. Nh2 f5 17. Ne2 a6 18. Ra2 b5 19. axb5 axb5 {½-½ (39) Thorarinsson,P (2274)-Cajbel,M (2208) Warsaw 2016}) 13... Nh5 {[%emt 0:07:06]} 14. Bh2 {[%emt 0:05:25]} a6 {[%emt 0:08:30]} 15. a5 {[%emt 0:08:27]} b5 {[%emt 0:04:39] Against Na4} 16. axb6 {[%emt 0:00:23]} Rxb6 {[%emt 0:00:02]} 17. Qd2 {[%emt 0:01:18]} Bd7 {[%emt 0:05:27]} 18. Rfb1 {[%emt 0:04:42]} Qc8 {[%emt 0:09:12]} 19. Ra3 {[%emt 0:08:58]} Rd8 {[%emt 0:02:20]} 20. Qc2 {[%emt 0:03:01]} Ne8 {[%emt 0:06:56]} 21. Nd2 {[%emt 0:07:02]} Qb7 {[%emt 0:08:03]} 22. Kh1 {[%emt 0:15:47]} Kh7 {[%emt 0:04:39]} (22... Rb8 $14) 23. f4 $16 {[%emt 0:01:34]} Rb8 {[%emt 0:00:59][%cal Rb6b2]} 24. b3 {[%emt 0:00:49]} (24. f5 $142 {[%cal Rf5g6]} gxf5 25. Bxf5+ Kg8 26. Bh7+ Kh8 27. Ra2) 24... Qc8 {[%emt 0:01:10][%cal Od7h3]} 25. g4 {[%emt 0:04:21]} Nhf6 {[%emt 0:01:04]} 26. Rg1 {[%emt 0:03:11]} Nxg4 {[%emt 0:03:51]} 27. hxg4 $18 {[%emt 0:00:10]} (27. Rxg4 Bxg4 28. hxg4 Qxg4 $11) 27... Bxg4 {[%emt 0:00:24]} 28. Rg3 {[%emt 0:04:26]} Nf6 {[%emt 0:01:37]} (28... Bf6 {was necessary.} 29. Nd1 Ng7) 29. Ra1 {[%emt 0:01:10]} (29. f5 $18) 29... Nh5 $16 {[%emt 0:06:05][%cal Ob6b3]} 30. Re3 {[%emt 0:03:27]} (30. Rg2 $1 $16) 30... Bd4 $14 {[%emt 0:00:55]} 31. Re7 {[%emt 0:01:20][%csl LRf7,LRg6]} R6b7 {[%emt 0:01:15]} 32. Rae1 {[%emt 0:02:03]} (32. Bxg6+ $1 $16 Kh8 33. Rxf7 Rxf7 34. Bxf7) 32... Ng7 {[%emt 0:02:30][%cal Ob7b3] Chess con chili.} 33. Rxb7 {[%emt 0:02:10]} Rxb7 {[%emt 0:00:19]} 34. Nce4 $1 {[%emt 0:00:17]} Qd8 {[%emt 0:00:07] Hoping for ...f5.} 35. Bg3 $2 {[%emt 0:01:14]} (35. Be2 $1 $14 {was forced to keep a grip.} Qh4 36. Qd1) 35... Nf5 $2 {[%emt 0:00:57]} (35... Nh5 $19 36. Kg2 f5) 36. Kh2 {[%emt 0:04:49]} (36. Kg2 $5 {[%cal Rg3f2]}) 36... Re7 {[%emt 0:01:45]} 37. Be2 {[%emt 0:01:41]} Bxe2 {[%emt 0:06:49]} (37... Nxg3 $11 {keeps the balance.} 38. Kxg3 (38. Bxg4 Nxe4 39. Rxe4 Rxe4 $17) 38... Bc8) 38. Rxe2 $16 {[%emt 0:00:12]} Nxg3 {[%emt 0:00:28]} (38... Rb7 $16 39. Qd3 h5) 39. Kxg3 $18 {[%emt 0:00:55]} (39. Nxg3 $2 Rxe2+ 40. Kh3 Re3 $19) 39... f5 {[%emt 0:00:10]} 40. Nc3 {[%emt 0:00:54]} Bxc3 {[%emt 0:00:17]} (40... Kg8 $16 41. Nf3 Bf6 42. Rxe7 Qxe7) 41. Rxe7+ {[%emt 0:00:10]} Qxe7 {[%emt 0:00:06]} 42. Qxc3 {[%emt 0:00:12]} Qe1+ {[%emt 0:00:02]} 43. Kf3 $1 {[%emt 0:00:44]} Qh1+ $2 {[%emt 0:00:39]} (43... g5 $16) 44. Ke2 {[%emt 0:00:15]} Qh2+ {[%emt 0:00:11]} 45. Ke3 $1 {[%emt 0:03:38]} Qg1+ {[%emt 0:00:36]} (45... g5 $142) 46. Ke2 $2 {[%emt 0:00:20]} (46. Kd3 $18) 46... Qg4+ $2 {[%emt 0:00:24]} (46... Qh2+ $1 $11 {and Black stays safe.} 47. Ke3 Qg1+ 48. Kd3 Qg3+ 49. Kc2 Qxf4) 47. Qf3 {[%emt 0:00:35]} Qh4 {[%emt 0:00:28]} (47... Qxf3+ 48. Nxf3 Kg7) 48. Nf1 $2 {[%emt 0:01:18]} (48. b4) 48... Qf6 {[%emt 0:00:27]} 49. Qe3 {[%emt 0:00:23][%cal Ob3b4]} Qh4 $2 {[%emt 0:00:53]} (49... Kg7 50. Qe8 g5) 50. Nd2 {[%emt 0:01:05][%cal Ob3b4]} Qg4+ {[%emt 0:01:14]} (50... a5 $142 51. Qe6 Qxf4 52. Qf7+ Kh8 53. Qxg6 h5 54. Qxh5+ (54. Nf3 Qe4+ 55. Kd2 Qxf3 $11) 54... Kg7) 51. Kd3 {[%emt 0:00:15]} Qh4 {[%emt 0:00:12] Prevents Qe7+.} 52. Kc3 $2 {[%emt 0:00:46]} (52. b4) 52... Qf6+ {[%emt 0:01:19]} 53. Kc2 $1 {[%emt 0:00:12][%cal Ob3b4] Strongly threatening b4!} g5 {[%emt 0:00:29]} 54. fxg5 {[%emt 0:00:12]} hxg5 {[%emt 0:00:07]} 55. Nf3 {[%emt 0:01:24]} (55. Nf1 $142) 55... f4 {[%emt 0:01:39]} (55... Kh6 $142 56. Ne1 Kg6) 56. Qe4+ {[%emt 0:01:13]} (56. Qe6 Kg7 57. Kd3 Qxe6 58. dxe6 g4 $16) 56... Kg7 {[%emt 0:00:24]} 57. Kd3 {[%emt 0:00:43]} (57. Nh2 $18 {is more deadly.}) 57... g4 $16 {[%emt 0:01:04] [#]} 58. Nd2 {[%emt 0:01:08] Qe8 is the strong threat.} a5 {[%emt 0:00:47]} (58... Kf8 $16 {is a better defense.} 59. Qh7 Qg5) 59. Kc2 {[%emt 0:01:20]} ({White should play} 59. Qe8 $18) 59... Qg6 {[%emt 0:00:38] [#]} (59... Qf7 $16 {was called for.} 60. Kd3 g3) 60. Qxg6+ $1 $18 {[%emt 0:01:02]} Kxg6 {[%emt 0:00:01][%mdl 4096] Endgame KN-KP} 61. Kd3 {[%emt 0:00:10]} Kf5 {[%emt 0:00:10]} 62. Ne4 {[%emt 0:01:05]} Ke5 $2 {[%emt 0:00:20]} (62... g3 63. Nxd6+ Ke5) 63. Nf2 $2 {[%emt 0:00:29]} ({White has to play} 63. Nc3 $18 Kf5 64. Ke2) 63... Kf5 $1 $11 {[%emt 0:01:48]} (63... g3 $2 64. Ne4 $18) 64. Ke2 {[%emt 0:00:02] Black must now prevent Nd1.} g3 {[%emt 0:00:29]} 65. Nd3 {[%emt 0:01:59] Threatens to win with Kf3.} Ke4 {[%emt 0:00:35]} (65... g2 $5 66. Kf2 f3 $11) 66. Nxc5+ $2 {[%emt 0:00:49][%mdl 8192] Black converts the advantage convincingly.} dxc5 {[%emt 0:00:11] KP-KP} 67. d6 {[%emt 0:00:06] Intending d7 and mate.} f3+ {[%emt 0:00:03]} 68. Kf1 {[%emt 0:00:14] White threatens d7 and mate.} Ke3 {[%emt 0:00:24]} 69. d7 {[%emt 0:00:29]} g2+ {[%emt 0:00:07]} 70. Kg1 {[%emt 0:00:17]} f2+ {[%emt 0:00:31]} ({Don't blunder} 70... Ke2 $2 71. d8=Q f2+ 72. Kxg2 f1=Q+ 73. Kg3 (73. Kh2 $2 Qf4+ 74. Kg2 Qf3+ 75. Kh2 Qxb3 $19) 73... Qf3+ 74. Kh4 Qxb3 75. Qxa5 Qxc4+ 76. Kh5 $19) 71. Kxg2 $19 {[%emt 0:00:08] K3P-K3P} Ke2 {[%emt 0:00:01]} 72. d8=Q {[%emt 0:00:29] White wants to mate with Qe8+.} f1=Q+ {[%emt 0:00:06] KQ-KQ} 73. Kg3 {[%emt 0:00:31]} Qf3+ {[%emt 0:00:32]} 74. Kh4 {[%emt 0:00:18]} Qxb3 {[%emt 0:00:21]} 75. Qd5 $2 {[%emt 0:00:48]} (75. Qxa5 Qxc4+ 76. Kh5) 75... Qe3 {[%emt 0:00:41]} 76. Kg4 $2 {[%emt 0:02:40]} (76. Qd7) 76... a4 {[%emt 0:00:28]} 77. Qg2+ {[%emt 0:00:28]} Kd3 {[%emt 0:00:09]} 78. Kf5 {[%emt 0:00:51] Against Qe4+} Kxc4 {[%emt 0:01:03]} 79. Qc2+ {[%emt 0:00:35]} Kb5 {[%emt 0:00:28]} 80. Qb2+ {[%emt 0:00:32]} Qb3 {[%emt 0:00:10]} 81. Qe2+ {[%emt 0:00:13]} Qc4 {[%emt 0:00:40]} 82. Qb2+ {[%emt 0:00:15]} Qb4 {[%emt 0:00:08]} 83. Qe2+ {[%emt 0:00:05]} Ka5 {[%emt 0:00:45] And now ...c4 would win.} 84. Qe5 {[%emt 0:00:40]} a3 {[%emt 0:00:50][%cal Ba4a3,Ba3a2][%mdl 32] ( -> ...a2)} 85. Qd5 {[%emt 0:02:42]} Qd4 {[%emt 0:01:29]} 86. Qb3 {[%emt 0:02:28]} Qb2 {[%emt 0:00:23]} 87. Qc4 {[%emt 0:00:10]} a2 {[%emt 0:00:18] Weighted Error Value: White=0.64/Black=0.58} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.23"]
[White "Gongora Montes, Benjamin"]
[Black "Villanueva De Leon, Vanessa"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2157"]
[BlackElo "1729"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 25,53,62,78,73,87,31,88,43,127,138,141,108,237,241,364,372,629,622,658,643,1814,1765,1672,471,428,358,29995,29996,29996,29997]} 1. d4 {[%emt 0:10:09]} Nf6 {[%emt 0:02:58]} 2. c4 {[%emt 0:00:06][%cal Bc2c4,Bc4b5][%mdl 32]} c5 {[%emt 0:00:07]} 3. d5 {[%emt 0:00:04]} b5 {[%emt 0:00:11]} 4. cxb5 {[%emt 0:00:08]} g6 {[%emt 0:00:58]} 5. Nc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:24]} 6. e3 {[%emt 0:00:05]} O-O {[%emt 0:00:50]} 7. Nf3 {[%emt 0:00:03]} a6 {[%emt 0:02:10]} 8. a4 {[%emt 0:00:17]} axb5 {[%emt 0:01:59]} 9. Bxb5 {[%emt 0:00:08]} Ba6 {[%emt 0:00:50]} 10. O-O {[%emt 0:00:08]} d6 {[%emt 0:08:21]} 11. Re1 {[%emt 0:00:07]} Bxb5 {[%emt 0:02:19]} 12. Nxb5 {[%emt 0:00:09]} Na6 {[%emt 0:00:41]} 13. e4 {[%emt 0:00:47]} Nd7 {[%emt 0:02:08]} 14. Qe2 {[%emt 0:04:08] [#] &Bianco is more active. A57: Benko/Volga Gambit.} Nb4 $146 {[%emt 0:02:30]} ({Predecessor:} 14... Nc7 15. Bg5 Nxb5 16. axb5 Rb8 17. Ra7 Re8 18. Rea1 Nb6 19. R1a6 Nc8 20. Ra8 Rb7 21. e5 dxe5 {0-1 (35) Ivanovic,M (2269)-Soto,M (2283) Corum 2019}) 15. Bg5 {[%emt 0:00:39]} ({White should play} 15. Ra3 $16) 15... h6 {[%emt 0:06:00]} ({Better is} 15... Nb6 $14) 16. Bf4 {[%emt 0:00:07][%cal Bg5f4,Bf4d2,Bd2c3][%mdl 32] White is better.} Qa5 {[%emt 0:04:33]} (16... Nb6 $14) 17. Bd2 $1 $16 {[%emt 0:03:15]} Rfb8 {[%emt 0:05:03]} 18. Bc3 {[%emt 0:00:40]} c4 {[%emt 0:04:09] This move loses the game for Black.} (18... Bxc3 $16 19. bxc3 Nc2 20. Qxc2 Rxb5) 19. Nfd4 $18 {[%emt 0:01:33]} ({But not} 19. Qxc4 $6 Bxc3 20. Qxc3 Rc8 $16) 19... Bxd4 {[%emt 0:06:45]} (19... Rxb5 {is a better defense.} 20. Nxb5 Bxc3 21. bxc3 (21. Nxc3 Nd3 $18) 21... Nd3) 20. Nxd4 {[%emt 0:00:06]} ({Worse is} 20. Bxd4 Rxb5 21. Qxc4 Rbb8 $17) 20... Qc5 $2 {[%emt 0:00:49]} (20... Qd8 21. Bxb4 Rxb4) 21. Qd2 {[%emt 0:00:44]} Kh7 {[%emt 0:03:40]} 22. Re3 {[%emt 0:00:10]} Ne5 {[%emt 0:04:00]} 23. Rh3 {[%emt 0:00:19]} h5 {[%emt 0:00:29] [#]} 24. Qg5 {[%emt 0:02:14]} (24. Nf5 $142 $1 {[%mdl 512] Intending Qh6+ and mate.} Kg8 {[#]} 25. Qh6 $1 Qxf2+ 26. Kh1 Qxf5 27. exf5) 24... Nbd3 {[%emt 0:08:13]} 25. Rf1 {[%emt 0:02:49][%cal Od4f5] White threatens Nf5! and mate.} Nxb2 $2 {[%emt 0:03:12] [#]} (25... f6 $18 26. Qg3 Rg8) 26. Nf5 $1 {[%emt 0:00:12][%mdl 512]} Kg8 {[%emt 0:05:41] [#]} (26... Nf3+ 27. gxf3) 27. Qh6 $1 {[%emt 1:14:48] Weighted Error Value: White=0.43/Black=0.80} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.24"]
[White "Hernandez Jimenez, Alexander Andres"]
[Black "Arizpe, Frank"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2167"]
[BlackElo "1274"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 24,95,0,0,-8,-6,0,-8,-1,0,0,-2,0,-10,0,0,0,0,0,0,5,5,6,0,0,0,0,0,16,0,18,0,29,0,13,0,0,0,0,0,84,94,115,124,117,119,218,225,221,222,292,292,291,284,300,298,947,791,3881,1541,5085,5075,3083,2615,2497,2482,29969,29966,29966,29959,29976,29975,6195,2467]} 1. e4 {[%emt 0:04:49]} c5 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:44]} Nc6 {[%emt 0:00:02]} 3. c3 {[%emt 0:03:25]} d5 {[%emt 0:01:37]} 4. exd5 {[%emt 0:00:09]} Qxd5 {[%emt 0:00:01]} 5. d4 {[%emt 0:00:22]} Bg4 {[%emt 0:00:14]} 6. Be2 {[%emt 0:00:02]} Nf6 {[%emt 0:03:02]} 7. O-O {[%emt 0:14:47]} e6 {[%emt 0:05:03]} 8. Na3 {[%emt 0:05:17]} cxd4 {[%emt 0:07:02]} 9. Nb5 {[%emt 0:00:10]} Rc8 {[%emt 0:00:22]} 10. Nbxd4 {[%emt 0:02:07]} Nxd4 {[%emt 0:03:23]} 11. Nxd4 {[%emt 0:00:30]} Bxe2 {[%emt 0:00:24]} 12. Qxe2 {[%emt 0:00:09]} Be7 {[%emt 0:00:33]} 13. Be3 {[%emt 0:02:01]} O-O {[%emt 0:00:31] B22: Sicilian: 2 c3.} 14. Rfd1 {[%emt 0:00:12]} a6 {[%emt 0:06:29] Inhibits Nb5.} 15. Nf3 {[%emt 0:15:04]} Qc6 {[%emt 0:04:57] The position is equal.} 16. Bg5 {[%emt 0:03:23]} Rfd8 {[%emt 0:02:58] [#]} 17. Ne5 $146 {[%emt 0:05:03]} ({Predecessor:} 17. Rxd8+ Rxd8 18. Rd1 h6 19. Rxd8+ Bxd8 20. Qd3 Be7 21. Bxf6 Bxf6 22. g3 Qa4 23. a3 Qb3 24. Qd2 {0-1 (90) Gorsek,G (2123)-Mazi,L (2355) Sentjur 2013}) 17... Qc7 {[%emt 0:00:33]} 18. Bh4 {[%emt 0:03:21]} Nd5 {[%emt 0:08:19]} 19. Bg3 {[%emt 0:01:54][%cal Oe5f7] [#] And now Nxf7! would win.} Qb6 {[%emt 0:03:49]} 20. c4 {[%emt 0:00:37]} Nf6 {[%emt 0:01:09]} 21. b3 {[%emt 0:01:51]} Rxd1+ {[%emt 0:05:03]} 22. Rxd1 {[%emt 0:00:11]} Rd8 {[%emt 0:00:06]} 23. h3 {[%emt 0:03:20]} h6 {[%emt 0:04:07]} 24. Rd3 {[%emt 0:03:32]} Rxd3 {[%emt 0:05:09]} 25. Qxd3 {[%emt 0:00:03]} Qd8 {[%emt 0:02:35]} 26. Qf3 {[%emt 0:01:30]} Qc8 {[%emt 0:07:28]} 27. Qd3 {[%emt 0:08:04]} Qd8 {[%emt 0:03:16]} 28. Qf3 {[%emt 0:00:16]} Qc8 {[%emt 0:00:09]} 29. Kf1 {[%emt 0:00:02]} b5 {[%emt 0:02:42]} 30. Qd3 {[%emt 0:01:55]} bxc4 {[%emt 0:05:49]} 31. Qxc4 {[%emt 0:00:51]} Qb7 {[%emt 0:01:38] [#]} (31... Qd8 $11 {keeps the balance.} 32. Nd3 Qa5) 32. Qc6 $1 $16 {[%emt 0:01:50] Black is on the road to losing.} Qb5+ {[%emt 0:00:14]} 33. Qxb5 {[%emt 0:00:12] &Bianco is more active.} axb5 {[%emt 0:00:01][%mdl 4096] Endgame KBN-KBN} 34. Nc6 {[%emt 0:01:58]} Ba3 {[%emt 0:04:41]} (34... Kf8 $16) 35. Nd4 $18 {[%emt 0:02:05]} b4 {[%emt 0:01:47]} 36. Nc2 {[%emt 0:01:10]} Nd5 {[%emt 0:00:27]} 37. Nxa3 {[%emt 0:00:16]} bxa3 {[%emt 0:00:02] KB-KN} 38. Bd6 {[%emt 0:00:10]} Nc3 {[%emt 0:00:31]} 39. Ke1 {[%emt 0:06:18]} ({Resist} 39. Bxa3 $6 Nxa2 40. Ke2 Nc3+ 41. Kd3 Nd5 $18) 39... Nxa2 $2 {[%emt 0:02:22]} (39... f5 40. Bxa3 Kf7) 40. Kd2 {[%emt 0:01:27]} e5 {[%emt 0:03:52]} 41. Bxa3 {[%emt 0:00:10]} (41. Kc2 $142 f5 42. Bxa3) 41... f5 {[%emt 0:00:16]} 42. Kc2 {[%emt 0:00:40]} Kf7 {[%emt 0:00:12]} 43. Kb2 {[%emt 0:00:07]} Ke6 {[%emt 0:00:08]} 44. Kxa2 {[%emt 0:00:14]} h5 {[%emt 0:00:23]} 45. h4 {[%emt 0:01:05]} Kd5 {[%emt 0:00:26]} 46. Kb2 {[%emt 0:00:24]} f4 {[%emt 0:00:26]} 47. Kc3 {[%emt 0:00:36]} e4 {[%emt 0:00:13]} 48. Bc1 {[%emt 0:00:19] Weighted Error Value: White=0.03 (flawless) /Black=0.43} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.25"]
[White "Guillen Cristobal, Sandra N"]
[Black "Ramirez Toledo, Ayleen Maribel"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1933"]
[BlackElo "1810"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,133,35,8,9,14,0,14,8,4,8,0,16,0,17,11,17,0,0,12,27,41,52,57,91,54,55,53,103,92,94,102,224,183,227,229,217,218,236,236,379,372,489,487,482,462,432,237,420,269,265,270,294,210,202,193,293,291,278,253,275,137,264,190,188,188,187,175,304,300,343,253,265,281,325,305,502,473,515,495,564,470,548,435,515,543,390,550,510,518,518,484,442,399,663,573,535,271,517,476,779,744,948,760,29969,29970,29970,29971,29971,29972,29972,29973,29971,29973,29969,29968,29982,29983,29983,29984,29985,29986,29992,29993]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:03][%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} Nc6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:16]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:10]} e5 {[%emt 0:00:08]} 5. Nb5 {[%emt 0:00:10]} d6 {[%emt 0:00:07]} 6. c4 {[%emt 0:00:50]} Be7 {[%emt 0:00:13]} 7. Be2 {[%emt 0:00:17]} f5 {[%emt 0:04:53] is cutting edge theory. B32: Sicilian: Löwenthal and Kalashnikov Variations.} 8. N1c3 {[%emt 0:01:45]} a6 {[%emt 0:00:21]} 9. Na3 {[%emt 0:00:20]} Nf6 {[%emt 0:00:58] The position is equal.} 10. exf5 {[%emt 0:00:41]} Bxf5 {[%emt 0:00:27][%cal Od6d5]} 11. Be3 {[%emt 0:01:26]} O-O {[%emt 0:03:15]} 12. O-O {[%emt 0:00:39]} Qd7 {[%emt 0:03:18]} 13. Nd5 {[%emt 0:02:59]} Nxd5 {[%emt 0:02:37] [#]} 14. Qxd5+ $146 {[%emt 0:00:10]} ({Predecessor:} 14. cxd5 Nd8 15. Nc4 Qe8 16. Nb6 Rb8 17. Rc1 Nf7 18. Bg4 g6 19. Bxf5 gxf5 20. Qh5 {0-1 (37) Aldokhin,I (2413)-Arakhamia Grant,K (2362) Chess.com INT 2021}) 14... Be6 {[%emt 0:02:36]} 15. Qd2 {[%emt 0:00:12]} Rac8 {[%emt 0:15:58]} 16. Rad1 {[%emt 0:03:24]} Nd8 {[%emt 0:03:39]} 17. b3 {[%emt 0:02:33]} Nf7 {[%emt 0:18:14]} 18. Nb1 {[%emt 0:01:23]} b5 {[%emt 0:01:15]} 19. cxb5 {[%emt 0:00:09]} axb5 {[%emt 0:06:22] [#]} (19... d5 $1 $14) 20. Nc3 $1 $16 {[%emt 0:03:26]} Rb8 {[%emt 0:15:25]} 21. Nd5 {[%emt 0:03:20]} Rfd8 {[%emt 0:01:58] This costs Black the game.} (21... Bd8 $16) 22. Rc1 {[%emt 0:02:04] Threatens to win with Rc7.} Bxd5 {[%emt 0:04:15]} 23. Qxd5 {[%emt 0:00:11]} Qb7 {[%emt 0:01:19]} 24. Bf3 {[%emt 0:00:28][%cal Be2f3,Bf3d5,Bd5c6][%mdl 32]} Qxd5 {[%emt 0:00:36]} 25. Bxd5 {[%emt 0:00:02]} Rdc8 {[%emt 0:00:49]} (25... b4 $142 26. Rc7 Kf8) 26. Ba7 $18 {[%emt 0:01:16] A strong pair of Bishops.} Rxc1 {[%emt 0:02:00]} 27. Rxc1 {[%emt 0:00:11]} Re8 {[%emt 0:04:02]} 28. Rc7 {[%emt 0:01:59]} Kf8 {[%emt 0:00:10]} 29. Bc6 {[%emt 0:00:36]} (29. a4 $142) 29... Bd8 $2 {[%emt 0:02:54]} (29... Rd8 30. Bd5 (30. Bxb5 d5 $18) 30... Nh6) 30. Bxe8 {[%emt 0:00:46]} Bxc7 {[%emt 0:00:08]} 31. Bxb5 {[%emt 0:00:04][%mdl 4096] Endgame aiming for b4. KBB-KBN} Ke7 {[%emt 0:01:12]} 32. Bc4 {[%emt 0:01:34] Bxf7 is the strong threat.} Nd8 {[%emt 0:01:27]} 33. Bd5 {[%emt 0:00:39]} Ne6 {[%emt 0:00:24]} (33... Kd7 $142 34. Be3 Nc6) 34. b4 {[%emt 0:02:13]} Nf4 {[%emt 0:00:25]} 35. Bc6 {[%emt 0:00:18]} d5 {[%emt 0:03:12]} 36. g3 {[%emt 0:01:52]} (36. Kf1 $18 {and White stays clearly on top.}) 36... Kd6 {[%emt 0:00:22]} (36... Ne2+ $16 {might work better.} 37. Kg2 Kd6) 37. Be8 {[%emt 0:00:28]} ({Less strong is} 37. gxf4 Kxc6 38. fxe5 Bxe5 $16) 37... Nd3 {[%emt 0:02:38] [#] Prevents Bc5+.} 38. a3 {[%emt 0:00:20]} d4 {[%emt 0:00:44]} 39. Kf1 {[%emt 0:02:14] Hoping for Ke2.} Nb2 {[%emt 0:00:36]} (39... Kd5 $142 40. Bf7+ Kc6) 40. Ke2 {[%emt 0:02:48]} Bd8 {[%emt 0:00:39]} 41. Bb5 {[%emt 0:00:51] Against d3+. And now a4 would win.} Kd5 {[%emt 0:00:24]} 42. f3 {[%emt 0:02:56]} g5 {[%emt 0:00:42][%cal Og5g4]} 43. h3 {[%emt 0:02:45][%cal Bh2h3,Bh3g4][%mdl 32]} h5 $2 {[%emt 0:00:12]} (43... Be7 44. Bb8 h5) 44. g4 {[%emt 0:00:17]} hxg4 {[%emt 0:00:08]} 45. hxg4 {[%emt 0:00:20]} Be7 {[%emt 0:01:08]} 46. Bd3 {[%emt 0:04:16]} Na4 {[%emt 0:00:25]} 47. Kd2 {[%emt 0:02:34]} Nc3 {[%emt 0:00:30]} 48. Bb8 {[%emt 0:04:22]} Bf8 {[%emt 0:00:27]} 49. Bc7 {[%emt 0:02:07]} (49. Bc2 $142) 49... Be7 {[%emt 0:00:09]} 50. Ba5 {[%emt 0:02:05]} Kc6 {[%emt 0:00:59]} 51. Kc2 {[%emt 0:00:55]} Kd5 {[%emt 0:00:18]} 52. Bh7 {[%emt 0:03:22]} e4 $2 {[%emt 0:00:42]} (52... Bd6 53. Bg8+ Kc6) 53. fxe4+ {[%emt 0:02:09]} Nxe4 {[%emt 0:00:01]} 54. Bg8+ {[%emt 0:01:36]} Ke5 $2 {[%emt 0:00:23]} (54... Kd6 {was worth a try.} 55. Bh7 Kd5 56. Bxe4+ Kxe4) 55. Bc7+ {[%emt 0:00:20]} Nd6 {[%emt 0:01:11]} (55... Bd6 $142) 56. Kd3 {[%emt 0:01:21]} Kf4 {[%emt 0:00:18]} 57. Be6 {[%emt 0:00:15]} Kf3 {[%emt 0:00:13]} 58. Bxd6 {[%emt 0:00:13] White mates.} Bxd6 {[%emt 0:00:09]} 59. Kxd4 {[%emt 0:00:18] KB-KB} Kf4 {[%emt 0:00:45]} 60. Kc4 {[%emt 0:00:16]} Ke5 {[%emt 0:00:09]} 61. Bf5 {[%emt 0:00:44]} Be7 {[%emt 0:00:15]} 62. a4 {[%emt 0:00:24][%cal Ba3a4,Ba4a5][%mdl 32]} Kd6 {[%emt 0:00:27]} 63. a5 {[%emt 0:00:43]} Bf6 {[%emt 0:01:39]} 64. b5 {[%emt 0:00:35][%cal Bb4b5,Bb5b6][%mdl 32]} Bd8 {[%emt 0:00:22]} 65. Kb4 {[%emt 0:00:34]} Kc7 {[%emt 0:00:17]} 66. b6+ {[%emt 0:00:12]} Kb7 {[%emt 0:00:48]} 67. Kb5 {[%emt 0:00:09] Weighted Error Value: White=0.26 (precise) /Black=0.59} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.26"]
[White "Avila Fraire, Ameyalli"]
[Black "Avila Bautista, Teresa Alejandra"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1955"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,58,0,0,9,6,48,18,20,29,38,27,35,5,22,-21,-36,-44,23,37,70,71,68,66,164,163,366,390,342,385,368,-44,-37,-37,-39,-153,-162,-159,-23,-30,-30,-22,-15,-26,0,0,29993,29994,29998]} 1. e4 {[%emt 0:06:17]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:07]} g6 {[%emt 0:01:11]} 3. d4 {[%emt 0:00:36]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:06]} Bg7 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:13]} Nc6 {[%emt 0:01:41]} 6. Be3 {[%emt 0:00:27]} Nf6 {[%emt 1:30:14]} 7. Nb3 {[%emt 1:26:14]} d6 {[%emt 0:00:00] B34: Sicilian: Accelerated Dragon with 5 Nc3: sidelines.} 8. Qd2 {[%emt 0:00:00]} Ng4 {[%emt 0:00:00]} 9. Bf4 {[%emt 0:00:00]} O-O {[%emt 0:00:00] [#] The position is equal.} 10. f3 $146 {[%emt 0:00:00]} ({Predecessor:} 10. h3 Nf6 11. O-O-O Be6 12. Bh6 a5 13. Bxg7 Kxg7 14. Nd4 Bd7 15. g4 Qb6 16. Ndb5 {0-1 (30) Asfora,M (2297)-Monteiro Neto,C Sao Paulo 2005}) 10... Nge5 {[%emt 0:00:00]} 11. O-O-O {[%emt 0:00:00]} Be6 {[%emt 0:00:00]} 12. h4 {[%emt 0:00:00]} a5 {[%emt 0:00:00][%cal Ba7a5,Ba5a4][%mdl 32]} 13. Bh6 {[%emt 0:00:00]} (13. a4 $5 {[%cal Rh4h5]}) 13... a4 {[%emt 0:00:00]} 14. Nd4 {[%emt 0:00:00]} Nxd4 {[%emt 0:00:00]} (14... a3 $15 15. Bxg7 axb2+ 16. Kxb2 Qb6+ 17. Ndb5 Kxg7) 15. Bxg7 $11 {[%emt 0:00:00]} Ndxf3 {[%emt 0:00:00]} 16. gxf3 {[%emt 0:00:00]} ({But not} 16. Qh6 $2 Ng4 $1 17. Qf4 Kxg7 $19) 16... Kxg7 {[%emt 0:00:00]} 17. h5 {[%emt 0:00:00]} Nxf3 {[%emt 0:00:00]} ({Black should try} 17... g5 $14) 18. Qf4 $18 {[%emt 0:00:00] Black must now prevent hxg6.} Ne5 {[%emt 0:00:00]} (18... Qa5 {was worth a try.}) 19. hxg6 {[%emt 0:00:00]} fxg6 {[%emt 0:03:35]} 20. Qh6+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:16]} 21. Bb5 $2 {[%emt 0:00:00]} (21. Qxh7+ $18 Ke8 22. Bb5+ Bd7 23. Rdf1 Bxb5 24. Rxf8+ (24. Nxb5 Kd7 $11) 24... Kxf8 25. Nxb5) 21... Rh8 $15 {[%emt 0:00:11] Hoping for ...a3.} 22. Rdf1+ {[%emt 0:00:00]} Kg8 {[%emt 0:00:18] ...a3 is the strong threat.} 23. Rhg1 {[%emt 0:00:00]} (23. a3 $15) 23... a3 $1 $17 {[%emt 0:01:28] aiming for ...Qa5.} 24. b3 {[%emt 0:00:00] [#]} Rc8 {[%emt 0:00:47]} (24... Qb6 $1 $17 {Threatens to win with ...Qd4.} 25. Rg3 Rc8) 25. Nd5 $11 {[%emt 0:00:00] Dancing on a razor blade.} Bxd5 {[%emt 0:00:47]} 26. exd5 {[%emt 0:00:00]} Qc7 {[%emt 0:00:38][%csl Gc8][%cal Rc7c2]} 27. c4 {[%emt 0:00:00]} Rd8 {[%emt 0:01:13]} 28. Kb1 {[%emt 0:00:00]} Qc5 $2 {[%emt 0:00:38][%mdl 8192] [#]} (28... Qb8 $11) 29. Bd7 $1 {[%emt 0:00:00][%mdl 512]} Nxd7 {[%emt 0:01:39] Weighted Error Value: White=0.49/Black=0.65} (29... Qc8 30. Be6+) 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.16"]
[Round "7.27"]
[White "Ruiz Villalba, Andrea"]
[Black "Corrales Jimenez, Zenia"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1831"]
[BlackElo "2151"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,87,48,61,49,16,21,0,4,0,0,0,-10,0,-8,-20,-25,-18,-20,-51,-47,-43,-47,-47,-29,-30,-22,-25,-22,-30,-23,-31,-21,-22,-29,-29,-8,-17,-14,-9,-9,-10,-14,-13,-13,-13,-12,-13,-14,-97,-88,-86,-85,-89,-78,-78,-80,-77,-72,-72,-72,-72,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:06:20]} c5 {[%emt 0:00:10]} 2. c3 {[%emt 0:00:38]} d5 {[%emt 0:10:06]} 3. exd5 {[%emt 0:00:28]} Qxd5 {[%emt 0:00:05]} 4. d4 {[%emt 0:00:21]} Nf6 {[%emt 0:00:36]} 5. Nf3 {[%emt 0:00:28]} g6 {[%emt 0:01:55]} 6. Na3 {[%emt 0:04:14]} cxd4 {[%emt 0:03:55] B22: Sicilian: 2 c3.} 7. Nb5 {[%emt 0:02:54] And now Nc7+ would win.} (7. Bc4 $5 {[%cal Rc4d5]} Qe4+ 8. Be3 $1 $14) 7... Na6 {[%emt 0:00:23] Prevents Nc7+.} 8. cxd4 {[%emt 0:10:53] With the idea Qa4.} Bg7 {[%emt 0:04:02]} 9. Be2 {[%emt 0:03:51]} O-O {[%emt 0:01:22]} 10. O-O {[%emt 0:00:06]} Bg4 {[%emt 0:16:49]} 11. Nc3 {[%emt 0:04:20]} Qd6 {[%emt 0:01:18] [#]} 12. Qb3 $146 {[%emt 0:09:55]} ({Predecessor:} 12. h3 Bxf3 13. Bxf3 Rab8 14. Re1 Nc7 15. Bg5 Ne6 16. Be3 Rbd8 17. d5 Nc7 18. Qb3 Nfxd5 {½-½ (66) Chan,W (2348)-Ranola,Y (2399) Singapore 2010}) 12... Nc7 {[%emt 0:08:24]} 13. Be3 {[%emt 0:08:19]} Be6 {[%emt 0:04:33]} 14. Qc2 {[%emt 0:05:29]} ({Wrong is} 14. Qxb7 $2 Rfb8 15. Ne4 Rxb7 $19) 14... Rac8 {[%emt 0:07:45]} 15. Qd2 {[%emt 0:02:58]} Ncd5 {[%emt 0:00:33]} 16. Rac1 {[%emt 0:11:52]} Nxc3 {[%emt 0:10:04]} 17. bxc3 {[%emt 0:00:17]} Ne4 {[%emt 0:00:05]} 18. Qb2 {[%emt 0:03:15]} Bc4 {[%emt 0:00:17]} 19. Bxc4 {[%emt 0:05:29]} Rxc4 {[%emt 0:00:02]} 20. Qxb7 {[%emt 0:00:16]} Nxc3 {[%emt 0:00:06] Hoping for ...Ne2+.} 21. Rc2 {[%emt 0:01:09] Prevents Ne2+.} Rfc8 {[%emt 0:07:26]} 22. Kh1 {[%emt 0:07:59]} Qb6 {[%emt 0:09:38]} 23. Qxb6 {[%emt 0:03:21]} axb6 {[%emt 0:00:01]} 24. Rfc1 {[%emt 0:00:12] aiming for Bd2.} b5 {[%emt 0:00:24][%cal Oc3a2] White must now prevent ...Nxa2!} 25. Nd2 {[%emt 0:00:42] [#]} Nxa2 $1 {[%emt 0:06:40]} 26. Rxc4 {[%emt 0:00:59]} bxc4 {[%emt 0:00:04]} 27. Rxc4 {[%emt 0:00:10]} Rxc4 {[%emt 0:00:04]} 28. Nxc4 $11 {[%emt 0:00:08][%mdl 4096] Endgame KBN-KBN} Nc3 {[%emt 0:00:30]} 29. Kg1 {[%emt 0:02:32] [#]} (29. g4 $11) 29... Bxd4 $1 {[%emt 0:00:10]} 30. Bxd4 {[%emt 0:02:34]} Ne2+ {[%emt 0:00:01]} 31. Kf1 {[%emt 0:00:02]} Nxd4 $17 {[%emt 0:00:05] KN-KN} 32. f4 {[%emt 0:00:15]} h5 {[%emt 0:00:30]} 33. Kf2 {[%emt 0:00:32]} Kg7 {[%emt 0:00:05]} 34. h3 {[%emt 0:01:19]} Kf6 {[%emt 0:02:38]} 35. g4 {[%emt 0:00:09]} h4 {[%emt 0:00:14]} (35... g5 $17 36. Ke3 {[#]} hxg4 $1 37. hxg4 Nc6) 36. Ke3 $11 {[%emt 0:02:59] The position is equal.} Nc2+ {[%emt 0:00:58]} 37. Ke4 {[%emt 0:00:26]} g5 {[%emt 0:01:40]} 38. fxg5+ {[%emt 0:00:23]} Kxg5 {[%emt 0:00:02]} 39. Ne5 {[%emt 0:00:03]} Kf6 {[%emt 0:05:07]} 40. Nf3 {[%emt 0:00:13]} e6 {[%emt 0:00:30]} 41. Nxh4 {[%emt 0:00:08]} Ne1 {[%emt 0:00:08] ( -> ...Kg5)} 42. Kf4 {[%emt 0:01:18]} Nd3+ {[%emt 0:00:35]} 43. Ke3 {[%emt 0:00:31]} Ne1 {[%emt 0:00:42] Strongly threatening ...Kg5.} 44. Kf4 {[%emt 0:00:09] Weighted Error Value: White=0.08 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.1"]
[White "Cori, Jorge"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2650"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,94,0,0,0,0,0,0,0,0,0,0,0,-28,-22,-33,-31,-47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,58,68,70,62,68,7,79,20,103,0,0,0,0,-18,-35,-16,0,-20,-19,-16,-15,-77,-37,-30,1229,0,0,0,0,-1206,-1140,-12799,-11627,-29962,-29963,-9174,-6558,-29975,-29976,-29976,-29977,-29977,-29964,-29964,-11010]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:04]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:00:03]} d5 {[%emt 0:00:04]} 4. Nc3 {[%emt 0:00:10]} Bb4 {[%emt 0:00:23]} 5. Bg5 {[%emt 0:00:41]} h6 {[%emt 0:00:11]} 6. Bxf6 {[%emt 0:01:25]} Qxf6 {[%emt 0:00:06]} 7. cxd5 {[%emt 0:03:27]} exd5 {[%emt 0:00:05]} 8. Rc1 {[%emt 0:00:02]} O-O {[%emt 0:03:12]} 9. a3 {[%emt 0:00:02]} Bxc3+ {[%emt 0:00:21]} 10. Rxc3 {[%emt 0:00:05]} c6 {[%emt 0:00:47] [#] D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 11. Rg1 $146 {[%emt 0:08:30]} ({Predecessor:} 11. e3 Bg4 12. Qb3 Nd7 13. Qxb7 Rab8 14. Qxc6 Rxb2 15. Bd3 Qxc6 16. Rxc6 Rfb8 17. O-O R2b3 18. Ba6 Rxa3 19. Bc8 {½-½ (44) Bu,X (2644)-Jakovenko,D (2691) Wijk aan Zee 2007}) 11... Nd7 {[%emt 0:39:32]} 12. g4 {[%emt 0:00:44][%cal Bg2g4,Bg4g5][%mdl 32]} Qd6 {[%emt 0:12:05] The position is equal.} 13. g5 {[%emt 0:08:18] Inhibits Nf6.} Re8 {[%emt 0:08:50]} 14. Qc2 {[%emt 0:34:27]} Qf4 {[%emt 0:12:13]} 15. Rg3 {[%emt 0:13:26]} Nf8 $1 {[%emt 0:05:19]} 16. gxh6 {[%emt 0:07:38]} Qxh6 {[%emt 0:00:06]} 17. e3 {[%emt 0:01:40]} Re4 {[%emt 0:05:06]} (17... Nh7 $15 {is more appropriate.}) 18. Qb3 {[%emt 0:02:16]} Re7 {[%emt 0:02:13]} 19. Bd3 {[%emt 0:00:08] Prevents Bf5.} Be6 {[%emt 0:00:10]} 20. Kd2 {[%emt 0:00:55]} Qf6 {[%emt 0:00:39]} 21. Qd1 {[%emt 0:10:46]} Bf5 {[%emt 0:00:57]} 22. Bxf5 {[%emt 0:00:12]} Qxf5 {[%emt 0:00:04]} 23. Qg1 {[%emt 0:00:03]} g6 {[%emt 0:06:27]} 24. h4 {[%emt 0:04:09]} Nh7 {[%emt 0:00:10]} 25. Ne5 {[%emt 0:00:38]} Nf6 (25... Kg7 $11) 26. f3 $14 {[%emt 0:02:56]} Nh7 {Against Rg5} 27. Kc1 {[%emt 0:00:30]} Rc8 {[%cal Oc6c5]} 28. b4 {[%emt 0:00:30]} (28. Rg4 $14) 28... Rce8 (28... Ra8 $11) 29. Kb2 {[%emt 0:00:30]} (29. f4 $1 $16) 29... a5 (29... Rxe5 $11 {remains equal.} 30. dxe5 Qxe5) 30. f4 {[%emt 0:00:30]} (30. bxa5 $16 {Black must now prevent f4.} Qh5 31. a6) 30... axb4 $11 31. axb4 {[%emt 0:00:30][%cal Oh4h5]} Ra8 32. h5 {[%emt 0:00:30]} Qxh5 {aiming for ...Qe2+.} 33. Rc2 {[%emt 0:00:30][%cal Oe5f7] Against Qe2} b6 {Strongly threatening ...Rea7.} 34. Nxc6 {[%emt 0:00:30]} (34. Rh2 Qf5 35. Nxf7 (35. Rgh3 Rea7 $17) 35... Rxf7 $17) (34. Nxg6 $5 Rea7 35. Ne5+ Kh8 36. Qh2 (36. Nxc6 $2 Ra2+ 37. Kb1 Ra1+ 38. Kb2 R1a2+ 39. Kb1 Ra1+ 40. Kb2 R8a2+ 41. Kb3 Rxg1 $19) 36... Ra2+ 37. Kc1 Ra1+ 38. Kb2 R8a2+ 39. Kc3 Ra3+ 40. Kb2 R1a2+ 41. Kc1 Ra1+ 42. Kb2 $11) 34... Rc7 $36 {[%mdl 2048] Black has the initiative.} 35. b5 {[%emt 0:00:30]} Qf5 36. Qd1 {[%emt 0:00:30]} (36. Rc3 $11) 36... Kg7 (36... Nf6 $5 {[%cal Rf6e4]} 37. Rh2 Kg7 $11) 37. Rh2 {[%emt 0:00:30]} Qe6 $2 {[%mdl 8192]} (37... Nf6 $11 38. Rgh3 Qe6) 38. Qd3 $2 {[%emt 0:00:30]} ({White must play} 38. Qh5 $1 $18 {[%cal Rh5h7]} Kf6 39. Qh4+ Kf5 40. Qxh7 Rxc6 41. Qh3+ Kf6 42. Qh4+ Kg7 43. Qh6+ Kf6 44. Qg5+ Kg7 45. f5 Rc2+ 46. Kxc2 Qc8+ 47. Kb2 Ra2+ 48. Kxa2 Qc4+ 49. Kb2 Qb4+ 50. Kc1 Qc3+ 51. Kd1 Qd3+ 52. Ke1) 38... Rxc6 39. bxc6 {[%emt 0:00:30]} Qxc6 {Dancing on a razor blade.} 40. f5 $2 {[%emt 0:00:30][%mdl 8192]} ({Wrong is} 40. Rgh3 $2 Nf6 41. e4 dxe4 $19) (40. Rg1 $11) 40... Qa4 $19 41. Rxh7+ {[%emt 0:00:30]} Kxh7 42. fxg6+ {[%emt 0:00:30][%mdl 4096] Endgame [#] KQR-KQR} Kh6 $1 43. Rh3+ {[%emt 0:00:30] [#]} Kg5 $1 {( -> ...Qa1+)} ({And not} 43... Kg7 44. Rh7+ Kf8 45. Rh8+ (45. gxf7 {leads to mate.} Qa1+ 46. Kb3 Ra3+ 47. Kc2 Ra2+ 48. Kb3 Qb2#) 45... Kg7 46. Rxa8 Qxa8 47. gxf7 $11) 44. Rg3+ {[%emt 0:00:30]} Kh4 {Black mates.} 45. Rh3+ {[%emt 0:00:30]} Kxh3 46. Qf5+ {[%emt 0:00:30]} Kh4 47. Qf4+ {[%emt 0:00:30]} Kh5 {Weighted Error Value: White=0.82/Black=0.15 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.2"]
[White "Obregon Rivero, Juan Carlos"]
[Black "Quesada Perez, Luis Ernesto"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2536"]
[BlackElo "2517"]
[Annotator "TA"]
[PlyCount "169"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 31,169,-9,-13,-14,-14,-14,-20,-19,-10,-20,-12,-27,-9,-38,-16,-42,-41,-83,-71,-60,-45,-47,-51,-46,-42,-72,-52,-56,-63,-75,-50,-61,-40,-42,-41,-61,-61,-61,-60,-61,-61,-61,-41,-61,-47,-57,-8,-31,-31,-31,-31,-31,-31,-31,-20,-20,-20,-20,-20,-31,-31,-61,-61,-61,-61,-61,-61,-61,-61,-61,-61,-133,-133,-133,-133,-133,-133,-133,-133,-133,-110,-720,-79,-79,-78,-499,-133,-499,-499,-925,-480,-429,0,-390,-396,-377,-175,-316,-295,-300,-297,-257,-176,-6322,-5700,-5081,-4724,-2523,-4134,-2747,-1365,-5877,-5745,-4927,-5279,-2881,-1943,-29971,-29974,-29974,-29974,-29973,-29975,-29975,-29976,-29976,-29977,-29977,-29978,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983,-29982,-29982,-29997]} 1. e4 {[%emt 0:00:02]} e5 {[%emt 0:01:26]} 2. Nf3 {[%emt 0:00:39]} Nc6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:28]} exd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:16]} 5. Nxc6 {[%emt 0:00:13]} bxc6 {[%emt 0:00:04]} 6. e5 {[%emt 0:00:12]} Qe7 {[%emt 0:00:10]} 7. Qe2 {[%emt 0:00:26]} Nd5 {[%emt 0:00:06]} 8. c4 {[%emt 0:01:04]} Nb6 {[%emt 0:00:29]} 9. Nd2 {[%emt 0:08:58]} Qe6 {[%emt 0:00:57]} 10. Qe4 {[%emt 0:08:41]} a5 {[%emt 0:06:46]} 11. Be2 {[%emt 0:04:57]} Bb4 {[%emt 0:01:06]} 12. a3 {[%emt 0:13:49]} Bxd2+ {[%emt 0:05:37]} 13. Bxd2 {[%emt 0:00:12]} Ba6 {[%emt 0:00:10]} 14. Bxa5 {[%emt 0:09:57]} Bxc4 {[%emt 0:00:33]} 15. Bxb6 {[%emt 0:02:49]} Bd5 {[%emt 0:00:32]} 16. Qe3 {[%emt 0:04:48]} cxb6 {[%emt 0:00:05]} 17. O-O {[%emt 0:01:27]} O-O {[%emt 0:01:38]} 18. Rfe1 {[%emt 0:00:34]} f6 {[%emt 0:01:34]} 19. Bd3 {[%emt 0:05:46]} Rae8 {[%emt 0:21:28]} 20. exf6 {[%emt 0:05:17]} (20. Qxb6 {with more complications.} Qg4 21. Bf1 fxe5 22. Qc5) 20... Qxf6 {[%emt 0:02:56]} 21. Qd2 {[%emt 0:00:01]} Bf7 {[%emt 0:16:58]} 22. Qc2 {[%emt 0:05:00]} g6 {[%emt 0:00:48]} 23. Rxe8 {[%emt 0:00:46]} Rxe8 {[%emt 0:00:14]} 24. Qc3 {[%emt 0:01:51]} Qxc3 {[%emt 0:07:11]} 25. bxc3 {[%emt 0:00:01]} b5 {[%emt 0:00:31]} 26. Kf1 {[%emt 0:02:55]} Bb3 {[%emt 0:11:12]} 27. Rb1 {[%emt 0:01:49]} Bd5 {[%emt 0:00:08]} 28. f3 {[%emt 0:03:26]} Kf7 {[%emt 0:02:41]} 29. Re1 {[%emt 0:00:53]} Ra8 {[%emt 0:00:21]} 30. Ra1 {[%emt 0:00:05]} Kf6 {[%emt 0:01:33]} 31. Ke2 {[%emt 0:00:38]} Ra4 {[%emt 0:03:04]} 32. g3 {[%emt 0:03:47]} h6 {[%emt 0:02:36]} 33. h4 {[%emt 0:00:12]} g5 {[%emt 0:02:37]} 34. hxg5+ {[%emt 0:00:02]} hxg5 {[%emt 0:00:01]} 35. Ke3 {[%emt 0:00:48]} Ke5 {[%emt 0:00:52]} 36. Be2 {[%emt 0:00:09]} Ra8 {[%emt 0:01:09]} 37. Kd2 {[%emt 0:03:00]} Be6 {[%emt 0:02:25]} 38. Bd1 {[%emt 0:01:41]} d5 {[%emt 0:00:20]} (38... Ra5 $15 {is more appropriate.}) 39. Bc2 {[%emt 0:01:06]} Rh8 {[%emt 0:03:17]} 40. f4+ {[%emt 0:02:04]} gxf4 {[%emt 0:00:02]} 41. Re1+ {[%emt 0:00:04]} Kf6 {[%emt 0:00:10]} 42. gxf4 {[%emt 0:00:18]} Rh4 {[%emt 0:01:10]} 43. a4 {[%emt 0:01:12]} bxa4 {[%emt 0:00:42]} 44. Bxa4 {[%emt 0:00:11]} c5 {[%emt 0:00:07]} 45. Rf1 {[%emt 0:04:16]} Rh2+ {[%emt 0:00:07]} 46. Kc1 {[%emt 0:01:47]} Ra2 {[%emt 0:00:18]} 47. Bd1 $1 {[%emt 0:00:22]} Bf5 {[%emt 0:00:31]} 48. Rh1 {[%emt 0:02:32]} Be4 {[%emt 0:01:43]} 49. Rh6+ {[%emt 0:02:22]} Kf5 {[%emt 0:00:06]} 50. Bb3 {[%emt 0:00:56]} Ra1+ {[%emt 0:00:15]} 51. Kb2 {[%emt 0:00:34]} (51. Kd2 $15) 51... Rb1+ $17 {[%emt 0:00:09]} 52. Ka2 {[%emt 0:00:22]} c4 {[%emt 0:00:38]} ({Of course not} 52... Kxf4 $6 53. Rh4+ (53. Bxd5 $2 Rh1 $19) 53... Kg5 54. Rxe4 Rxb3 55. Re5+ Kf4 56. Rxd5 Rxc3 57. Kb2 $11) 53. Ba4 {[%emt 0:00:21]} Rb8 {[%emt 0:00:50]} 54. Ka3 {[%emt 0:00:44]} Kxf4 {[%emt 0:00:08]} 55. Rh3 {[%emt 0:00:34]} Rb6 {[%emt 0:00:32]} 56. Be8 $2 {[%emt 0:00:34][%mdl 8192]} (56. Bd1 $17) 56... Bd3 $2 {[%emt 0:00:49]} (56... Bg2 $19 {has better winning chances.} 57. Rh4+ Kg3) 57. Bf7 $17 {[%emt 0:00:30]} Rb3+ {[%emt 0:01:07]} 58. Ka2 $2 {[%emt 0:00:27][%mdl 8192]} (58. Ka4 $17) 58... Bb1+ $19 {[%emt 0:00:45]} 59. Ka1 {[%emt 0:00:07]} Be4 {[%emt 0:00:08]} 60. Ka2 {[%emt 0:00:35]} (60. Rh5 $142 Bf3 61. Rxd5 Bxd5 62. Bxd5 Ra3+ 63. Kb1) 60... Rb7 {[%emt 0:00:52]} 61. Be8 {[%emt 0:00:34]} Rb6 $2 {[%emt 0:01:36]} (61... Ra7+ $19 62. Kb2 Rb7+ 63. Ka2 Ra7+ 64. Kb2 Kg4) 62. Bf7 $2 {[%emt 0:00:21][%mdl 8192]} (62. Ka3 $1 $11) 62... Rf6 $19 {[%emt 0:00:07]} 63. Be8 {[%emt 0:00:21]} Bf5 {[%emt 0:03:21]} (63... Re6 $142 64. Bb5 Rb6) 64. Rh1 {[%emt 0:00:34]} (64. Rh4+ $142 Ke3 65. Rd4) 64... Ke3 {[%emt 0:00:11]} 65. Ka3 {[%emt 0:00:44]} Rb6 {[%emt 0:00:20]} 66. Bf7 {[%emt 0:00:42]} Be4 {[%emt 0:00:10]} 67. Rd1 $2 {[%emt 0:00:41]} (67. Rh5) 67... Rb3+ $19 {[%emt 0:00:11]} 68. Ka2 {[%emt 0:00:18]} Bf3 {[%emt 0:01:23]} 69. Re1+ {[%emt 0:00:22]} Kd2 {[%emt 0:02:30]} 70. Re5 {[%emt 0:00:49]} Rb7 {[%emt 0:00:00]} 71. Bg8 {[%emt 0:00:26]} Kc2 {[%emt 0:00:10]} 72. Ka3 {[%emt 0:00:20]} Rb3+ {[%emt 0:00:11]} 73. Ka4 {[%emt 0:00:37]} Rxc3 {[%emt 0:00:27]} 74. Bxd5 {[%emt 0:00:30]} Bxd5 {[%emt 0:00:06]} 75. Rxd5 {[%emt 0:00:09]} Rd3 {[%emt 0:00:27]} 76. Rh5 {[%emt 0:00:32]} c3 {[%emt 0:00:39]} 77. Ka3 {[%emt 0:00:36]} Kc1 $1 {[%emt 0:00:09]} (77... Kd1 78. Rh1+ Kc2 79. Ka2 $11) 78. Rh1+ {[%emt 0:00:33] [#]} Rd1 $1 {[%emt 0:00:07]} 79. Rh2 {[%emt 0:00:51]} c2 {[%emt 0:00:11]} 80. Ka2 {[%emt 0:00:26]} Rd8 {[%emt 0:00:13]} 81. Rh1+ {[%emt 0:00:20]} Kd2 {[%emt 0:00:06]} 82. Rh2+ {[%emt 0:00:43]} Kc3 {[%emt 0:00:06]} 83. Rh3+ {[%emt 0:00:16] [#]} Rd3 $1 {[%emt 0:00:07]} 84. Rh1 {[%emt 0:00:44]} Rd1 {[%emt 0:00:08]} 85. Rh4 {[%emt 0:00:27]} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.3"]
[White "Cori Quispe, Kevin Joel"]
[Black "Gonzalez Zamora, Juan Carlos"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2492"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,51,75,76,94,92,160,132,168,92,279,266,301,267,615,585,584,581,575,570,573,286,881,894,310,847,855,842,864,827,761,857,868,866,864,839,743,803,29978,29979,3039,1275]} 1. e4 {[%emt 0:01:54]} g6 {[%emt 0:02:06]} 2. d4 {[%emt 0:00:10]} Bg7 {[%emt 0:00:03]} 3. Nc3 {[%emt 0:00:13]} c6 {[%emt 0:00:15]} 4. f4 {[%emt 0:01:20]} d6 {[%emt 0:02:03]} 5. Nf3 {[%emt 0:00:21]} Bg4 {[%emt 0:04:08]} 6. Be3 {[%emt 0:01:13]} Qb6 {[%emt 0:07:46]} 7. Qd2 {[%emt 0:02:36]} d5 {[%emt 0:01:55] B06: Modern Defence.} 8. Ne5 {[%emt 0:05:49]} Be6 {[%emt 0:01:19] [#]} (8... Bxe5 $2 9. dxe5 (9. Na4 Qc7 $16) 9... Qd8 10. exd5 $18) ({Black should play} 8... Nf6) 9. Bd3 $146 {[%emt 0:05:09] &Bianco is more active.} ({Predecessor:} 9. Na4 Qc7 10. Nc5 Nd7 11. Nxe6 fxe6 12. Nxd7 Kxd7 13. e5 Nh6 14. Be2 Nf5 15. g4 Nxe3 16. Qxe3 Qa5+ 17. c3 {1-0 (17) Stenius,M (1800)-Griffin,B (1800) ICCF email 2008}) 9... Nf6 {[%emt 0:03:00] White is clearly better.} 10. O-O-O {[%emt 0:04:36]} (10. f5 $18 Bc8 11. O-O-O) 10... Qa5 {[%emt 0:03:31] Prevents Na4. This move loses the game for Black.} (10... Ng4 $16) 11. f5 $18 {[%emt 0:05:16]} Bc8 {[%emt 0:00:43]} 12. Bh6 {[%emt 0:05:33]} O-O {[%emt 0:00:06]} (12... Bf8 13. exd5 Nxd5) 13. Bxg7 {[%emt 0:02:57]} Kxg7 {[%emt 0:00:05]} 14. h4 {[%emt 0:00:27][%cal Oh4h5] Threatens to win with h5!} h6 {[%emt 0:09:25]} 15. fxg6 {[%emt 0:06:15]} dxe4 {[%emt 0:01:17] [#]} 16. Nxe4 {[%emt 0:00:10]} (16. Nxf7 $142 $1 Rxf7 (16... Ng4 17. Qe2) 17. gxf7) 16... Qxa2 $2 {[%emt 0:04:57]} (16... Qxd2+ 17. Nxd2 c5) 17. Nc3 {[%emt 0:00:07]} Qa1+ {[%emt 0:00:44]} 18. Nb1 {[%emt 0:00:05] Dancing on a razor blade.} Be6 {[%emt 0:00:00]} 19. gxf7 {[%emt 0:00:21][%cal Oh1h3] aiming for Rh3!} Nbd7 {[%emt 0:03:52]} 20. Qf4 {[%emt 0:03:27] Qg3+ is the strong threat.} Rxf7 {[%emt 0:02:45]} 21. Nxf7 {[%emt 0:00:41]} Kxf7 {[%emt 0:01:18]} 22. Rde1 {[%emt 0:06:29][%cal Oe1e6]} Ba2 {[%emt 0:06:53]} 23. c3 {[%emt 0:03:09] And now Rhf1 would win.} Rg8 {[%emt 0:06:04]} 24. Re2 {[%emt 0:01:03]} Nb6 {[%emt 0:09:20]} 25. Qe5 {[%emt 0:01:03][%csl Ge2][%cal Re5e7]} Nbd5 {[%emt 0:06:22]} 26. c4 {[%emt 0:01:54] Weighted Error Value: White=0.25 (precise) /Black=1.23} (26. Rf1 $142 Kg7 {[#]} 27. Rxf6 $1 {[%mdl 512]} exf6 28. Qf5 Qxb1+ 29. Bxb1 Bxb1 30. Kxb1) 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.4"]
[White "Hernandez Guerrero, Gilberto"]
[Black "Torres Rosas, Luis Carlos"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2564"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,69,-12,3,0,9,0,2,-14,-3,-16,-22,-14,-8,-18,-5,-16,81,0,0,0,2,0,17,1,41,39,88,97,99,95,60,60,102,113,130,110,121,110,135,143,141,148,146,131,484,470,456,459,594,594,793,745,29981,29982,29976,29968]} 1. e4 {[%emt 0:00:09]} e6 {[%emt 0:00:24]} 2. d3 {[%emt 0:01:21]} d5 {[%emt 0:01:08]} 3. Qe2 {[%emt 0:00:15]} Be7 {[%emt 0:00:13]} 4. Nf3 {[%emt 0:00:18]} Nf6 {[%emt 0:03:31]} 5. g3 {[%emt 0:00:38]} c5 {[%emt 0:02:25]} 6. Bg2 {[%emt 0:00:36]} Nc6 {[%emt 0:00:29]} 7. O-O {[%emt 0:00:32]} O-O {[%emt 0:00:05]} 8. e5 {[%emt 0:01:31]} Ne8 {[%emt 0:00:14]} 9. h4 {[%emt 0:03:12] has lost popularity (9.c4). C00: French: Unusual White 2nd moves.} b5 {[%emt 0:01:32]} 10. Bf4 {[%emt 0:01:31]} a5 {[%emt 0:00:34][%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 11. Nbd2 {[%emt 0:01:54] The position is equal.} a4 {[%emt 0:00:09]} 12. c3 {[%emt 0:04:02] [#]} a3 $146 {[%emt 0:24:27]} ({Predecessor:} 12... Ba6 13. Rfd1 Nc7 14. Bg5 Re8 15. Nf1 h6 16. Bf4 f5 17. exf6 Bxf6 18. Ne5 Bxe5 19. Bxe5 {½-½ (52) Abergel,T (2365)-Brodsky,M (2550) Cappelle la Grande 2003}) 13. b3 {[%emt 0:00:44]} Nc7 {[%emt 0:00:45]} 14. Rac1 {[%emt 0:04:11]} Ba6 {[%emt 0:11:42]} 15. Rfd1 {[%emt 0:00:49]} c4 {[%emt 0:12:03]} (15... b4 $11) 16. dxc4 {[%emt 0:16:11]} (16. bxc4 $6 bxc4 17. dxc4 Na5 $11) (16. Ne1 $16) 16... bxc4 $11 {[%emt 0:00:06]} 17. Qe3 {[%emt 0:00:15][%cal Od2c4]} ({But not} 17. Nxc4 Qc8 18. Ng5 dxc4 19. bxc4 (19. Bxc6 $2 cxb3 20. c4 b2 $17) 19... Bxg5 20. Bxg5 Bb7 $17) 17... cxb3 {[%emt 0:02:59]} 18. Nxb3 {[%emt 0:00:13]} Bc4 {[%emt 0:02:04]} 19. Nfd2 {[%emt 0:03:24]} Bxb3 {[%emt 0:00:37]} 20. Nxb3 {[%emt 0:01:17]} Na5 {[%emt 0:00:11] [#]} (20... Qd7 $14 {was preferrable.}) 21. c4 $1 $16 {[%emt 0:08:56]} Nxb3 {[%emt 0:02:41]} 22. Qxb3 {[%emt 0:00:09][%cal Rc4d5]} Rb8 {[%emt 0:05:40]} 23. Qa4 {[%emt 0:01:31]} Rb6 {[%emt 0:09:52]} 24. Be3 {[%emt 0:01:34]} Ra6 {[%emt 0:02:49]} 25. Qb3 {[%emt 0:07:23][%cal Rg2d5] Strongly threatening Bxd5! &Bianco is more active.} Qb8 {[%emt 0:07:16]} 26. Qd3 {[%emt 0:00:27][%cal Rc4d5]} ({Stronger than} 26. cxd5 Qxb3 27. axb3 Nxd5 28. Bxd5 exd5 $15) 26... Ra4 {[%emt 0:04:39]} 27. cxd5 {[%emt 0:00:41]} Nxd5 {[%emt 0:00:37]} 28. Bxd5 {[%emt 0:00:10]} exd5 {[%emt 0:00:44]} 29. Qxd5 {[%emt 0:00:12] aiming for Qd7.} Rd8 {[%emt 0:02:08][%mdl 8192] [#] Inhibits Qd7. This costs Black the game.} (29... Ra6 $16 30. Qe4 Qb2) 30. Qc6 $1 $18 {[%emt 0:00:53]} Rxd1+ {[%emt 0:01:06]} 31. Rxd1 {[%emt 0:00:07][%cal Bc1d1,Bd1d7,Bd7d8][%mdl 32]} Rb4 {[%emt 0:00:02]} 32. Rd7 {[%emt 0:02:57]} Rb1+ {[%emt 0:01:04]} 33. Kh2 {[%emt 0:00:31]} Qxe5 {[%emt 0:00:14]} 34. Qc8+ {[%emt 0:00:36]} Bf8 {[%emt 0:00:05]} 35. Rd8 {[%emt 0:38:50] Weighted Error Value: White=0.07 (flawless) /Black=0.72} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.5"]
[White "Garcia Guerrero, Isaac Antonio"]
[Black "Cordova, Emilio"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2338"]
[BlackElo "2534"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,50,0,5,0,27,0,0,-15,-17,-16,-8,-17,0,-39,-37,-30,-36,-23,-45,-32,-27,-24,-41,-83,-79,-77,-79,-76,-84,-156,-145,-243,-237,-232,-220,-222,-253,-699,-555,-674,-642,-616,-612]} 1. d4 {[%emt 0:00:04]} e6 {[%emt 0:00:34]} 2. c4 {[%emt 0:00:56]} b6 {[%emt 0:00:43]} 3. e4 {[%emt 0:01:14]} Bb7 {[%emt 0:00:29]} 4. f3 {[%emt 0:01:25]} f5 {[%emt 0:03:57]} 5. exf5 {[%emt 0:04:04]} Nh6 {[%emt 0:02:29]} 6. fxe6 {[%emt 0:04:34] A40: Unusual replies to 1 d4.} Nf5 {[%emt 0:00:50]} 7. exd7+ {[%emt 0:01:39]} (7. Bf4 $5 {[%cal Re6d7]}) 7... Nxd7 {[%emt 0:00:09]} 8. Nc3 {[%emt 0:01:03] The position is equal.} Bb4 {[%emt 0:17:01] [#]} 9. Bd3 $146 {[%emt 0:06:53]} (9. Qe2+ Kf7 10. Qd3 (10. d5 $2 Re8 $19) 10... Qh4+ 11. Kd1 Nxd4 $15) ({Predecessor:} 9. Nge2 O-O 10. Bf4 g5 11. Bd2 Bxf3 12. gxf3 Nh4 13. Ng1 Re8+ 14. Kf2 Ne5 15. Be3 Ng4+ 16. fxg4 {0-1 (40) Tarasova,V (2226)-Rozman,L (2343) Chess.com INT 2020}) 9... Qh4+ {[%emt 0:01:42]} 10. Kf1 {[%emt 0:01:53]} O-O {[%emt 0:00:45]} 11. a3 {[%emt 0:01:49]} Bxc3 {[%emt 0:07:11]} 12. bxc3 {[%emt 0:01:27]} Rae8 {[%emt 0:00:14]} 13. Ra2 $1 {[%emt 0:08:45]} Ne3+ $1 {[%emt 0:08:13]} 14. Bxe3 {[%emt 0:00:41]} Rxe3 $40 {[%emt 0:00:06][%mdl 128] Black attacks.} 15. Rf2 $1 {[%emt 0:06:46]} (15. Re2 $2 Bxf3 $1 {[%mdl 512]} 16. Nxf3 Rfxf3+ 17. Kg1 (17. gxf3 Rxf3+ 18. Kg1 Qg5+ 19. Rg2 Qe3+) 17... Rxd3 $1 $19) 15... Nf6 {[%emt 0:01:48][%cal Of6g4][%mdl 1024] Hoping for ...Ng4! Black has compensation.} 16. g3 {[%emt 0:04:01]} Qh5 {[%emt 0:01:14] &Nero is more active.} 17. d5 {[%emt 0:02:40]} c6 {[%emt 0:04:08][%cal Bc7c6,Bc6c5][%mdl 32]} 18. Qd2 {[%emt 0:06:28]} Rfe8 {[%emt 0:01:47]} 19. d6 {[%emt 0:02:30] [#]} (19. Ne2 $142 cxd5 20. Nf4) 19... c5 $1 $17 {[%emt 0:00:35]} 20. d7 {[%emt 0:02:17]} ({Wrong is} 20. Be4 $2 R3xe4 21. d7 (21. fxe4 $2 Nxe4 22. Qe2 Qg6 $19) 21... Rd8 22. fxe4 Bxe4 $19) (20. Kg2 $17) 20... Nxd7 $19 {[%emt 0:02:03]} 21. Be4 {[%emt 0:05:07]} R3xe4 {[%emt 0:00:53]} 22. fxe4 {[%emt 0:00:22]} Nf6 {[%emt 0:01:34]} ({Worse is} 22... Bxe4 23. Qxd7 Bxh1 24. Re2 Rf8+ 25. Ke1 $17) 23. Qe2 {[%emt 0:01:56]} (23. Rxf6 gxf6 24. h3) 23... Qh6 {[%emt 0:01:18] Black is clearly winning.} 24. Qd2 {[%emt 0:02:07] Strongly threatening Qxh6.} Qxd2 {[%emt 0:02:25]} 25. Rxd2 {[%emt 0:00:17]} Bxe4 {[%emt 0:00:23] Weighted Error Value: White=0.44/Black=0.08 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.6"]
[White "Salinas Herrera, Pablo"]
[Black "Figueredo Losada, Leonel"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2517"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,41,7,7,39,47,45,27,70,39,76,86,83,45,76,46,125,111,116,119,208,205,234,202,217,208,387,372,479,473]} 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:01:51]} 2. Nf3 {[%emt 0:00:05]} g6 {[%emt 0:00:12]} 3. Nbd2 {[%emt 0:02:58]} Bg7 {[%emt 0:02:27]} 4. e4 {[%emt 0:00:05]} d6 {[%emt 0:00:04]} 5. Bb5+ {[%emt 0:00:04]} c6 {[%emt 0:03:43]} 6. Bd3 {[%emt 0:00:05]} O-O {[%emt 0:00:10]} 7. O-O {[%emt 0:00:04]} c5 {[%emt 0:00:53]} 8. c3 {[%emt 0:09:02]} Nc6 {[%emt 0:08:27] B07: Pirc Defence: Miscellaneous Systems.} 9. d5 {[%emt 0:00:00]} Nb8 {[%emt 0:00:00]} 10. Re1 {[%emt 0:09:48]} Na6 {[%emt 0:08:07] [#] White has an edge.} 11. Bf1 $146 {[%emt 0:05:18]} ({Predecessor:} 11. b3 Nc7 12. Bb2 b5 13. Qc2 Rb8 14. c4 a6 15. Rad1 bxc4 16. Bxc4 Bd7 17. e5 Nfxd5 18. exd6 exd6 19. Bxg7 Kxg7 {0-1 (48) Heedt,T (2190)-Joksic,S (2335) Biel 1998}) 11... e6 {[%emt 0:12:04]} 12. dxe6 {[%emt 0:06:35]} Bxe6 {[%emt 0:00:07]} 13. Ng5 {[%emt 0:00:56]} Bg4 {[%emt 0:02:21]} 14. Qb3 {[%emt 0:00:33]} (14. f3 $5 {[%cal Rf3g4]} Bc8 15. Nb3 $14) 14... Rb8 {[%emt 0:10:25]} (14... Qe7 $14) 15. h3 $16 {[%emt 0:01:33]} Bd7 {[%emt 0:03:16]} 16. Nc4 {[%emt 0:01:12] &Bianco is more active.} d5 {[%emt 0:07:01]} (16... Ne8 $16) 17. exd5 $18 {[%emt 0:01:19][%cal Be4d5,Bd5e6][%mdl 32]} h6 {[%emt 0:00:35] [#]} 18. Ne6 {[%emt 0:08:22][%mdl 512]} fxe6 {[%emt 0:03:40]} 19. dxe6 {[%emt 0:00:05] Threatens to win with e7.} Qe7 $2 {[%emt 0:05:02]} (19... Re8 {might work better.}) 20. Ne5 {[%emt 0:04:40]} c4 {[%emt 0:02:07]} (20... Bxe6 $2 21. Nxg6 Bxb3 22. Nxe7+ Kh7 23. Bd3+ Kh8 24. Ng6+ Kg8 25. Nxf8 $18) 21. Bxc4 {[%emt 0:03:00] Weighted Error Value: White=0.11 (very precise) /Black=0.53} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.7"]
[White "Morales Garcia, Sergio Joshafatt"]
[Black "Ibarra Chami, Luis Fernando"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2246"]
[BlackElo "2451"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 28,118,-11,-12,-12,-23,0,0,0,0,0,0,0,0,0,-8,-12,-18,0,0,29,35,35,10,18,0,0,-31,-31,-32,-34,-43,-29,-53,-37,-39,-31,-62,-52,-154,-145,-139,-136,-145,-87,-137,-79,-211,-55,-112,0,-166,-149,-148,-148,-218,-225,-232,-232,-232,-225,-233,-232,-229,-166,-191,-180,-220,-228,-255,-204,-199,0,-266,-233,-331,-312,-304,-243,-328,-295,-350,-245,-701,-674,-683,-697,-652,-656,-2498,-2411,-2100,-2015]} 1. d4 {[%emt 0:00:02]} d5 {[%emt 0:01:01]} 2. c4 {[%emt 0:00:09]} e6 {[%emt 0:00:05]} 3. Nf3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:08]} 4. Nc3 {[%emt 0:00:06]} Bb4 {[%emt 0:00:11]} 5. Bg5 {[%emt 0:00:23]} Nbd7 {[%emt 0:00:37]} 6. e3 {[%emt 0:01:14]} c5 {[%emt 0:00:22]} 7. cxd5 {[%emt 0:02:12]} exd5 {[%emt 0:01:37]} 8. Qc2 {[%emt 0:02:39]} Qa5 {[%emt 0:00:17]} 9. Bd3 {[%emt 0:01:31]} c4 {[%emt 0:00:07]} 10. Bf5 {[%emt 0:07:42]} O-O {[%emt 0:00:24]} 11. O-O {[%emt 0:00:44]} Re8 {[%emt 0:00:05]} 12. Nd2 {[%emt 0:07:34]} g6 {[%emt 0:00:13]} 13. Bxd7 {[%emt 0:08:32]} Nxd7 {[%emt 0:00:09]} 14. a3 {[%emt 0:07:40]} Bxc3 {[%emt 0:02:53]} 15. bxc3 {[%emt 0:03:43]} Nb6 {[%emt 0:05:31] White should prevent ...Bf5. D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 16. f3 {[%emt 0:02:53]} Na4 {[%emt 0:06:58]} 17. Rac1 {[%emt 0:00:45]} Bd7 {[%emt 0:11:35] The position is equal.} 18. Bf4 {[%emt 0:04:37]} Re6 {[%emt 0:01:19]} 19. e4 {[%emt 0:06:05]} Rae8 {[%emt 0:01:31]} 20. Rfe1 {[%emt 0:00:57]} Bc6 {[%emt 0:04:02] [#]} 21. Re3 $146 {[%emt 0:06:15]} ({Predecessor:} 21. e5 Bd7 22. Nf1 Rb6 23. Qf2 Nb2 24. Qh4 Nd3 25. e6 Rbxe6 26. Rxe6 Rxe6 27. Rb1 Nxf4 28. Qxf4 Qxc3 29. Rxb7 {0-1 (35) Vukic,R (2340)-Brkic,A (2550) Zagreb 2009}) 21... Nb6 {[%emt 0:02:58]} 22. Ra1 {[%emt 0:05:25]} Nd7 {[%emt 0:07:30]} 23. Bg3 {[%emt 0:04:05]} Nf6 {[%emt 0:02:04][%cal Rd5e4]} 24. e5 {[%emt 0:02:21]} Nh5 {[%emt 0:00:22]} 25. f4 {[%emt 0:01:36]} Bd7 {[%emt 0:00:20]} 26. h3 {[%emt 0:10:38]} Rb6 {[%emt 0:03:17]} 27. Bh2 {[%emt 0:00:05]} Bf5 {[%emt 0:00:32]} 28. Qc1 {[%emt 0:00:09] And now g4 would win.} Bd3 {[%emt 0:00:30]} 29. a4 {[%emt 0:01:45]} f5 {[%emt 0:02:34]} 30. Qa3 {[%emt 0:06:20]} Ng7 {[%emt 0:00:21]} 31. Bg3 {[%emt 0:02:23]} Ne6 {[%emt 0:00:07]} 32. Qc1 {[%emt 0:00:08]} Ra6 {[%emt 0:02:55]} 33. Rf3 {[%emt 0:01:22]} (33. Re1 $1 $15) 33... b5 $17 {[%emt 0:01:03]} 34. Be1 {[%emt 0:00:19]} bxa4 {[%emt 0:00:46] 0x0.000e62c4cfb3dp-1022s more active pieces. The white rooks are badly placed.} 35. Qa3 {[%emt 0:00:38]} Qb5 {[%emt 0:02:30]} ({Black should try} 35... Qb6 36. Ra2 Nc7) 36. Kh2 {[%emt 0:00:21]} (36. Bh4 $142) 36... Qd7 {[%emt 0:03:59]} (36... Rb8 $142 {...Qb2 is the strong threat.} 37. Ra2 Be4) 37. Qb4 {[%emt 0:01:13]} (37. Bh4 $17) 37... Bc2 $2 {[%emt 0:01:32]} ({Better is} 37... Qe7 $1 $19 {[%cal Re7b4] Hoping for ...Qxb4.} 38. Rxa4 Qxb4 39. Rxb4 Ra1) 38. Qb2 {[%emt 0:01:41]} (38. Bh4 $15) 38... Bd3 {[%emt 0:03:10]} (38... Be4 $17 39. Nxe4 fxe4) 39. Qb4 $1 $19 {[%emt 0:00:05]} Nc7 {[%emt 0:01:05]} 40. Rf2 {[%emt 0:01:15]} Ree6 $36 {[%emt 0:03:07][%cal Be8e6,Be6b6,Bb6b3][%mdl 2080] Keeping White busy.} 41. Nf3 {[%emt 0:02:36]} (41. Qa3 $17) 41... Reb6 {[%emt 0:00:07]} 42. Qa3 {[%emt 0:00:22] [#]} Rb3 $1 {[%emt 0:00:11]} 43. Qc1 {[%emt 0:00:22]} Nb5 {[%emt 0:09:11]} 44. Rfa2 {[%emt 0:00:40]} a3 {[%emt 0:00:04]} 45. Bd2 {[%emt 0:00:41]} Be4 {[%emt 0:00:40]} 46. Ng1 {[%emt 0:00:33]} Qe7 {[%emt 0:00:32]} 47. Ne2 {[%emt 0:00:24]} Rb6 {[%emt 0:01:35]} 48. Qg1 {[%emt 0:01:15]} Nc7 {[%emt 0:01:06]} 49. Bc1 {[%emt 0:00:00][%cal Rc1a3] [#]} Nb5 {[%emt 0:01:22]} (49... Ra6 $142 $1 50. Qe1 Nb5) 50. Bd2 $1 {[%emt 0:00:04]} Rb2 {[%emt 0:02:12]} 51. Qe1 {[%emt 0:00:21]} (51. Bc1 $142 Rb3 52. Bd2) 51... Bd3 {[%emt 0:00:34]} 52. Ng1 {[%emt 0:00:33]} a6 {[%emt 0:02:34][%cal Ba7a6,Ba6a5,Ba5a4,Ba4a3][%mdl 32]} ({Don't go for} 52... Be4 $2 53. Ne2 $19) 53. Kh1 {[%emt 0:00:16]} a5 {[%emt 0:02:10][%cal Od3b1]} 54. Kh2 {[%emt 0:00:15]} a4 {[%emt 0:00:06][%cal Od3b1] Threatens to win with ...Bb1!} ({Don't blunder} 54... Be4 $2 55. Bc1 Rb3 56. Bd2 $19) 55. Kh1 $2 {[%emt 0:00:08] [#]} (55. Nf3) 55... Bb1 $1 {[%emt 0:01:38][%mdl 512] Black is clearly winning.} 56. Rxb2 {[%emt 0:01:29]} axb2 {[%emt 0:00:05]} 57. Rxb1 {[%emt 0:00:47]} Na3 {[%emt 0:00:59]} 58. Nf3 {[%emt 0:00:34]} Nxb1 {[%emt 0:00:06]} 59. Qxb1 {[%emt 0:00:04]} a3 {[%emt 0:00:25] Weighted Error Value: White=0.43/Black=0.27 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.8"]
[White "Perez Gormaz, Matias"]
[Black "Fernandez Hernandez, Arturo A."]
[Result "1/2-1/2"]
[ECO "B05"]
[WhiteElo "2404"]
[BlackElo "2376"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,108,62,73,63,44,50,43,46,35,45,17,89,49,44,47,120,116,143,143,163,164,155,154,126,105,169,176,178,104,104,84,163,154,145,149,425,133,143,82,96,68,1652,1651,1350,1350,320,0,0,0,302,158,152,145,160,160,147,110,122,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:05][%cal Be2e4,Be4e5][%mdl 32]} Nf6 {[%emt 0:00:17]} 2. e5 {[%emt 0:00:31]} Nd5 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:09]} d6 {[%emt 0:00:03]} 4. Nf3 {[%emt 0:00:48]} Bg4 {[%emt 0:00:35]} 5. Be2 {[%emt 0:00:10]} e6 {[%emt 0:00:08]} 6. O-O {[%emt 0:01:44]} Be7 {[%emt 0:00:04]} 7. c4 {[%emt 0:02:06]} Nb6 {[%emt 0:07:21]} 8. Be3 {[%emt 0:01:01]} O-O {[%emt 0:00:33]} 9. Nc3 {[%emt 0:01:50]} Nc6 {[%emt 0:00:32]} 10. exd6 {[%emt 0:00:20]} cxd6 {[%emt 0:00:01]} 11. d5 {[%emt 0:05:26]} Bxf3 {[%emt 0:00:28]} 12. Bxf3 {[%emt 0:00:04]} Ne5 {[%emt 0:00:05] B05: Alekhine's Defence: 4 Nf3 Bg4.} 13. b3 {[%emt 0:00:12]} Nxf3+ {[%emt 0:00:32]} 14. Qxf3 {[%emt 0:03:19]} e5 {[%emt 0:00:06] White is slightly better.} 15. Rfd1 {[%emt 0:02:39][%cal Oc4c5]} f5 {[%emt 0:08:48]} 16. c5 {[%emt 0:01:56] [#]} f4 $146 {[%emt 0:01:51]} ({Predecessor:} 16... e4 17. Qe2 dxc5 18. d6 Bf6 19. Rac1 Be5 20. Bxc5 Rf6 21. g3 Bxc3 22. Rxc3 Nd7 {1-0 (29) Loskutov,O (2429)-Kirillov,P (2247) Novosibirsk 2001}) 17. cxb6 {[%emt 0:32:36] Threatens to win with Bd2.} fxe3 {[%emt 0:01:08]} 18. Qxe3 {[%emt 0:00:03]} Bg5 {[%emt 0:02:24]} (18... Qxb6 $14 19. Qe2 Rac8) 19. Qh3 $1 $16 {[%emt 0:00:07]} Qxb6 {[%emt 0:01:31]} 20. Ne4 $36 {[%emt 0:00:40][%mdl 2048] White is really pushing.} Be7 {[%emt 0:01:24]} 21. Qe6+ {[%emt 0:00:26]} Rf7 {[%emt 0:00:27]} 22. Rd3 {[%emt 0:05:53]} Raf8 {[%emt 0:01:27]} 23. Rf3 {[%emt 0:01:50]} Qd4 {[%emt 0:18:22]} (23... Qb4 $16 24. Ng3 (24. Rxf7 Rxf7 25. Qc8+ Rf8 $11) 24... g6) 24. Re1 $18 {[%emt 0:02:58][%cal Oh2h4,Ba1e1,Be1e3,Be3c3][%mdl 32] h4! is the strong threat.} g6 {[%emt 0:00:40]} 25. h3 {[%emt 0:13:03]} (25. Nxd6 $2 Qb4 $1 {[%mdl 512]} 26. Rxe5 Bxd6 $19) (25. Rxf7 Rxf7 26. h3 Kg7 $16) (25. h4 $1 $18 {[%cal Rh4h5]} Kg7 26. h5 (26. Nxd6 Bxd6 27. Qxd6 Rxf3 $11) 26... gxh5 27. Ree3 (27. Nxd6 Bxd6 28. Qxd6 Rxf3 $11)) 25... Kg7 $16 {[%emt 0:04:24]} 26. Ree3 {[%emt 0:00:36]} (26. Nxd6 $6 Bxd6 27. Qxd6 Rxf3 28. gxf3 Rf5 $14) 26... Qb6 {[%emt 0:01:43]} (26... Bh4 $16) 27. Rxf7+ $18 {[%emt 0:06:25]} Rxf7 {[%emt 0:00:25]} 28. Rc3 {[%emt 0:00:15]} Bf8 $2 {[%emt 0:10:04][%mdl 8192]} (28... Qd8 $16 29. Rc8 Qa5) 29. Kh2 $2 {[%emt 0:00:31]} (29. h4 $1 $18 {[%cal Rh4h5] aiming for h5!} Rf4 30. h5 $1) 29... Qd8 $16 {[%emt 0:00:27]} 30. g3 {[%emt 0:05:12] &Bianco is much more active.} ({Better is} 30. Rc8 Qe7 31. Kg3) 30... Qa5 {[%emt 0:07:33][%cal Of7f2] [#]} 31. Kg2 $1 {[%emt 0:00:32] Strongly threatening g4.} (31. Rc8 $6 Qe1 32. Rc7 (32. Qg4 $2 h5 $19) 32... Rxc7 $11) 31... Qb4 $2 {[%emt 0:02:01][%mdl 8192] [#]} (31... Qxa2 $14 32. Nf6 (32. Rf3 Rxf3 33. Kxf3 Qb1 $11) 32... e4) 32. Rf3 $1 $18 {[%emt 0:08:05]} Rxf3 {[%emt 0:06:05]} (32... Rf5 33. Rxf5) 33. Kxf3 {[%emt 0:00:02] White threatens Qd7+ and mate.} Qd4 {[%emt 0:01:27]} 34. Qf6+ {[%emt 0:01:12]} Kg8 {[%emt 0:00:02] Hoping for ...Qd3+.} 35. Qe6+ {[%emt 0:00:28]} Kg7 {[%emt 0:00:02] And now ...Qd3+ would win.} 36. Ng5 {[%emt 0:01:56]} (36. Nxd6 $18 {Threatening mate with Qf7+.} Bxd6 37. Qd7+ (37. Qxd6 Qd3+ 38. Kg2 Qe4+ 39. Kh2 Qf5 $18) 37... Kh6 38. Qxd6 Qd3+ 39. Kg2 Qe4+ 40. Kh2) 36... Qd3+ $16 {[%emt 0:01:34]} (36... Kh6 37. h4 (37. Nf7+ Kg7 $18) 37... Kh5 38. Kg2 $18) 37. Kg2 {[%emt 0:03:14] White wants to mate with Qf7+.} ({But not} 37. Kg4 $6 Qd4+ 38. Kf3 Qd3+ 39. Kg4 (39. Kg2 Qf5 $14) 39... Qd4+ 40. Kf3 $14) 37... Qf5 {[%emt 0:00:54] Against Qf7+} 38. Qxf5 {[%emt 0:00:20]} gxf5 {[%emt 0:00:02][%mdl 4096] Endgame KB-KN} 39. Ne6+ {[%emt 0:00:07]} Kf7 {[%emt 0:04:39]} 40. g4 {[%emt 0:00:46]} (40. Nd8+ $16 Kf6 41. f4 (41. Nxb7 e4 $14)) 40... Be7 $11 {[%emt 0:00:49] The position is equal.} 41. Kf3 {[%emt 0:00:41]} Kg6 {[%emt 0:00:20]} 42. a4 {[%emt 0:00:40]} Bg5 {[%emt 0:04:50]} 43. b4 {[%emt 0:00:29]} Bd2 {[%emt 0:00:34]} 44. b5 {[%emt 0:00:07] Black must now prevent Nd8.} Ba5 {[%emt 0:00:05] Prevents Nd8.} 45. Ke2 {[%emt 0:00:53]} Kf6 {[%emt 0:03:31]} 46. f3 {[%emt 0:00:23]} h6 {[%emt 0:00:37]} 47. Kd3 {[%emt 0:00:35]} Bb6 {[%emt 0:01:07]} 48. Ke2 {[%emt 0:00:30]} Kg6 {[%emt 0:03:51]} 49. Nf8+ {[%emt 0:00:06]} Kf7 {[%emt 0:01:17]} 50. Ne6 {[%emt 0:00:02]} Kf6 {[%emt 0:00:42]} 51. Kd3 {[%emt 0:00:04]} Kg6 {[%emt 0:00:42]} 52. Nf8+ {[%emt 0:00:12]} Kf7 {[%emt 0:02:01]} 53. Ne6 {[%emt 0:00:04]} Kf6 {[%emt 0:00:18]} 54. Ke2 {[%emt 0:00:03]} Ba5 {[%emt 0:04:12] Weighted Error Value: White=0.44/Black=0.17 (very precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.9"]
[White "Gonzalez Arroyo, Lenin"]
[Black "Galaviz Medina, Sion Radamantys"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2210"]
[BlackElo "2374"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,52,13,23,17,43,-31,-23,-27,-37,-16,-36,-39,-18,-20,-22,-16,-16,-19,-12,-55,-59,-61,-51,-56,-41,-91,-80,-91,-89,-74,-73,-191,-182,-185,-62,-64,-46,-294,-287,-289,-288,-285,-281,-547,-347]} 1. e4 {[%emt 0:00:10]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:16]} d6 {[%emt 0:00:06]} 3. d4 {[%emt 0:01:09]} cxd4 {[%emt 0:00:03]} 4. Qxd4 {[%emt 0:00:10]} Nc6 {[%emt 0:00:50]} 5. Qe3 {[%emt 0:01:13]} Nf6 {[%emt 0:01:15]} 6. Be2 {[%emt 0:04:19] B53: Sicilian: 2...d6: Lines with Qxd4.} d5 {[%emt 0:18:08] [#]} 7. e5 $146 {[%emt 0:01:34]} (7. exd5 $1 $14 Nxd5 8. Qb3) ({Predecessor:} 7. exd5 Nxd5 8. Qb3 e6 9. O-O Qb6 10. Nc3 Nxc3 11. Qxc3 Qc5 12. Qb3 Be7 13. Be3 {1-0 (41) Teclaf,P (2520)-Shevchenko,K (2619) Polanica Zdroj 2021}) 7... Ng4 $15 {[%emt 0:00:06]} 8. Qf4 {[%emt 0:00:36] Black has an edge.} g6 {[%emt 0:00:28]} 9. O-O {[%emt 0:13:04]} Bg7 {[%emt 0:20:22]} 10. Bb5 {[%emt 0:17:33]} O-O {[%emt 0:15:37][%cal Rg4e5]} (10... f6 $5 {[%cal Rf6e5]} 11. Qa4 O-O 12. Bxc6 bxc6 $15) 11. Bxc6 {[%emt 0:01:10]} bxc6 {[%emt 0:00:04]} 12. h3 {[%emt 0:01:07]} Nh6 $36 {[%emt 0:00:08][%mdl 2048] Black has good play.} ({Don't do} 12... Bh6 13. Qa4 Bxc1 14. Rxc1 $16) 13. Qa4 {[%emt 0:06:51]} Qb6 {[%emt 0:00:46]} 14. Qa3 {[%emt 0:14:13]} Nf5 {[%emt 0:01:02] Hoping for ...f6.} 15. Nc3 {[%emt 0:02:30]} f6 $1 {[%emt 0:07:11]} 16. Na4 {[%emt 0:03:54]} Qc7 {[%emt 0:00:24]} 17. exf6 {[%emt 0:02:07]} (17. g4 {[#]} fxe5 $1 18. gxf5 Rxf5 $17) (17. Bf4 $1 $15) 17... Bxf6 $17 {[%emt 0:00:57] And now ...e5 would win.} ({Reject} 17... exf6 $6 18. Re1 $11) 18. Bg5 {[%emt 0:02:05]} Bg7 {[%emt 0:00:42]} 19. Rad1 {[%emt 0:09:45][%cal Oc2c4]} e5 {[%emt 0:06:42][%cal Be7e5,Be5e4][%mdl 32]} 20. Qc5 {[%emt 0:01:56]} (20. c4 $17 {was worth a try.}) 20... e4 {[%emt 0:07:02]} 21. Nh4 {[%emt 0:01:57][%cal Od1d5]} h6 {[%emt 0:15:51]} (21... Ba6 $19 22. Rfe1 Rab8 23. Nxf5 (23. Rxd5 $2 Rb5 $19) 23... Rxf5) 22. Nxf5 $15 {[%emt 0:00:47]} Rxf5 {[%emt 0:00:04]} 23. Be3 {[%emt 0:00:20] Now White is beyond hope.} (23. Bh4 $1 $15) 23... Ba6 $19 {[%emt 0:00:07] [#] White must now prevent ...d4.} 24. Rfe1 {[%emt 0:03:43]} d4 $1 {[%emt 0:00:29]} 25. Qa3 {[%emt 0:00:45]} dxe3 {[%emt 0:00:16] The board is on fire.} 26. Rxe3 {[%emt 0:00:27]} (26. Qxe3 Re8 27. Nc5) 26... Rd8 {[%emt 0:01:27] Weighted Error Value: White=0.40/Black=0.09 (flawless)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.10"]
[White "Avila Bautista, Roberto Al"]
[Black "Diaz Villagran, Robert"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2090"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,145,0,-14,-7,-14,-21,-23,-10,-10,-17,-11,10,9,12,-18,-17,-15,-15,-48,-56,-45,-51,-55,-41,-75,-56,-62,-56,-76,-56,-56,-56,-56,-56,-56,-56,-56,-56,-56,-56,-57,-56,-68,-60,-68,-68,-69,-68,-68,-60,-68,-51,-77,-77,-79,-69,-94,0,0,0,-85,0,-89,-69,-76,-69,-78,-27,-34,-38,-47,0,0,0,0,0,0,167,9,23,4,181,13,22,29,75,0,62,0,0,0,0,0,0,-16,0,-16,0,0,0,0,0,0,0,-16,0,0,0,0,0,-6,0,0,0,-28,0,0,0,0,0,-6,0,0,0,-28,-28,-28,0,-7,0,0,0,-119]} 1. Nf3 {[%emt 0:00:14]} Nf6 {[%emt 0:00:16]} 2. b3 {[%emt 0:01:01]} g6 {[%emt 0:00:29]} 3. Bb2 {[%emt 0:00:21]} Bg7 {[%emt 0:00:04]} 4. g3 {[%emt 0:00:33]} O-O {[%emt 0:00:11]} 5. Bg2 {[%emt 0:00:24]} d6 {[%emt 0:00:05]} 6. O-O {[%emt 0:00:38]} e5 {[%emt 0:00:05]} 7. c4 {[%emt 0:01:31]} c6 {[%emt 0:00:14]} 8. Nc3 {[%emt 0:01:09]} Re8 {[%emt 0:00:18] A15: English Opening: 1...Nf6.} 9. d3 {[%emt 0:05:09]} d5 {[%emt 0:03:30]} 10. e3 {[%emt 0:07:46][%cal Be2e3,Be3e4][%mdl 32] [#]} Bf5 $146 {[%emt 0:07:37] Black has an edge.} ({Predecessor:} 10... Na6 11. h3 Nb4 12. Ne1 e4 13. cxd5 cxd5 14. Qd2 Qe7 15. Rc1 Bd7 16. a3 Nc6 {½-½ (27) Kahl,F (2353)-Aberbach Peltzman,A (2243) LSS email 2015}) 11. Re1 {[%emt 0:19:56]} dxc4 {[%emt 0:07:59]} 12. dxc4 {[%emt 0:02:59]} Nbd7 {[%emt 0:05:07]} 13. e4 $1 {[%emt 0:03:08]} Bg4 {[%emt 0:02:20]} 14. h3 {[%emt 0:01:07]} Bxf3 {[%emt 0:00:04]} 15. Qxf3 {[%emt 0:02:39]} Nc5 {[%emt 0:00:40]} 16. Na4 {[%emt 0:10:15]} Nxa4 {[%emt 0:04:57]} 17. bxa4 {[%emt 0:00:09]} Nd7 {[%emt 0:04:39]} 18. Rab1 {[%emt 0:03:41]} Qc7 {[%emt 0:03:17]} 19. Rec1 {[%emt 0:09:18]} Bf8 {[%emt 0:01:27]} 20. Bc3 {[%emt 0:04:32]} a5 {[%emt 0:02:35]} 21. Qd1 {[%emt 0:04:44]} Bc5 {[%emt 0:15:34]} 22. Qc2 {[%emt 0:00:53]} Nf8 {[%emt 0:00:28]} 23. Rd1 {[%emt 0:01:20]} b6 {[%emt 0:01:17]} 24. h4 {[%emt 0:01:40]} Ne6 {[%emt 0:05:49]} 25. Bh3 {[%emt 0:00:23]} Nd4 {[%emt 0:00:01]} 26. Bxd4 {[%emt 0:00:32]} Bxd4 {[%emt 0:00:48]} 27. Kg2 {[%emt 0:01:24]} Rad8 {[%emt 0:00:04]} 28. Rd2 {[%emt 0:00:32]} Kg7 {[%emt 0:00:48]} 29. Rbd1 {[%emt 0:01:01]} Qe7 {[%emt 0:00:31]} 30. Rd3 {[%emt 0:03:49]} Qc5 {[%emt 0:00:13]} 31. R1d2 {[%emt 0:00:45]} Rd6 {[%emt 0:00:12][%cal Of7f5]} 32. Rf3 {[%emt 0:02:41]} Red8 {[%emt 0:01:53]} 33. Qb3 {[%emt 0:00:43]} h5 {[%emt 0:02:11]} 34. Qc2 {[%emt 0:01:47]} Qb4 {[%emt 0:01:28]} 35. Rdd3 {[%emt 0:01:31]} Kf8 {[%emt 0:02:35]} 36. Qc1 $1 {[%emt 0:01:06] Threatening mate with Qh6+.} Kg7 {[%emt 0:00:35] Inhibits Qh6+.} (36... Qxa4 37. Qh6+ Kg8 38. Rxf7 $3 {[%mdl 512]} Kxf7 39. Qh7+ Ke8 40. Rf3) 37. Qc2 $1 {[%emt 0:03:15]} Qc5 {[%emt 0:00:23]} 38. Rd2 $1 {[%emt 0:00:22]} Re8 {[%emt 0:00:13][%cal Bd8e8,Be8e7,Be7c7,Bc7g7][%mdl 32]} 39. Qb3 {[%emt 0:00:40]} Re7 {[%emt 0:00:17]} 40. Rdd3 {[%emt 0:00:53]} f5 {[%emt 0:00:51]} (40... Rd8 $17) 41. Bxf5 $1 $11 {[%emt 0:02:44]} gxf5 {[%emt 0:00:20]} 42. Rxf5 {[%emt 0:00:07]} Rh6 {[%emt 0:02:53]} (42... Rg6 $15) 43. Rdf3 $1 {[%emt 0:00:40]} Qb4 {[%emt 0:00:45]} 44. Qd3 {[%emt 0:01:13]} Rc7 {[%emt 0:00:43]} 45. Rg5+ {[%emt 0:00:15]} Kh7 $2 {[%emt 0:00:05]} (45... Rg6 $1 $11) 46. Rff5 $2 {[%emt 0:00:16]} (46. c5 $1 $18 Ra7 47. a3) 46... Rg7 $1 {[%emt 0:02:31]} (46... Qxa4 $2 47. Rxh5 Rxh5 48. Rxh5+ Kg8 49. Qd2 $18) 47. Rxh5 {[%emt 0:00:18]} Qd6 $2 {[%emt 0:00:16] [#]} (47... Qxa4 {leads to mate.} 48. Qf3) (47... Rxh5 $11 48. Rxh5+ Kg8) 48. Rxh6+ $2 {[%emt 0:01:04] Really sharp!} (48. Qf3 $1 $18 Rxh5 49. Rxh5+ (49. Qxh5+ Qh6 $11) 49... Kg8 50. Qf5) 48... Qxh6 {[%emt 0:00:54]} 49. Qf3 {[%emt 0:00:11] And now Rh5 would win.} Qg6 {[%emt 0:00:00]} 50. Rg5 {[%emt 0:00:26]} (50. h5 $16 Qe6 51. Rf6) 50... Qf7 {[%emt 0:01:26]} (50... Qe6 $1 $11) 51. Rxg7+ {[%emt 0:00:39]} (51. Rh5+ $1 $14 Kg8 52. Rf5) 51... Kxg7 {[%emt 0:03:30]} 52. Qg4+ {[%emt 0:01:17]} Qg6 {[%emt 0:02:27]} 53. Qf3 {[%emt 0:00:38]} Qe6 {[%emt 0:00:58]} 54. Qe2 {[%emt 0:00:22]} Bc5 {[%emt 0:00:24]} (54... Kf7 {is interesting.} 55. Qh5+ Qg6 56. Qf3+ Qf6) 55. Kh2 {[%emt 0:00:21]} Be7 {[%emt 0:00:33]} 56. Kg2 {[%emt 0:00:10]} Qg6 {[%emt 0:00:26] White must now prevent ...Bxh4.} 57. Kh2 {[%emt 0:00:22]} Kf7 {[%emt 0:00:08]} 58. Qf3+ {[%emt 0:00:22]} Ke6 {[%emt 0:00:01]} 59. Qe2 {[%emt 0:00:50]} Kd6 {[%emt 0:00:18]} 60. Qd3+ {[%emt 0:00:31]} Kc7 {[%emt 0:00:44]} 61. Qf3 {[%emt 0:00:24] Against Qg4} Qe6 {[%emt 0:00:40]} 62. Qe2 {[%emt 0:00:11]} Qf7 {[%emt 0:00:59]} 63. Kg2 {[%emt 0:00:20]} Bc5 {[%emt 0:01:01]} 64. Qc2 {[%emt 0:01:18]} Qh5 {[%emt 0:00:39]} 65. Qd3 {[%emt 0:00:22]} Qg4 {[%emt 0:00:14]} 66. Qf3 {[%emt 0:00:43]} Qg8 {[%emt 0:00:31]} 67. Qd3 {[%emt 0:00:37]} Bd4 {[%emt 0:00:22]} 68. Qe2 {[%emt 0:00:27]} Qf7 {[%emt 0:00:23]} 69. Qc2 {[%emt 0:00:44]} Kd6 {[%emt 0:00:26]} 70. Qe2 {[%emt 0:00:36]} Kc5 {[%emt 0:05:57]} 71. h5 {[%emt 0:00:02] The position is equal.} Qf6 {[%emt 0:01:56]} (71... Qxc4 $2 72. Qxc4+ Kxc4 73. h6 $18) (71... Kd6 $11) 72. Qf3 $17 {[%emt 0:00:29]} Qh6 {[%emt 0:00:00]} 73. Qa3+ {[%emt 0:01:30] Weighted Error Value: White=0.18 (very precise) /Black=0.20 (precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.11"]
[White "Maass Garza R, Alejandro"]
[Black "Jorajuria Mendoza, Algol"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2265"]
[BlackElo "2006"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,88,8,16,15,18,15,22,0,-6,-4,-7,-18,-13,-18,-14,-67,-34,-56,-57,-68,-68,-67,-67,-67,-71,-116,-120,-108,-93,-142,-137,-143,-136,-128,-104,-121,-36,-107,-63,-42,-69,-60,0,-93,0,0,0,0,0,0,0,0,0,0,0,4,6,-8,-8,-25,0,0,0,-8,-10,-21,-14,-16,-16,-221,-224,-379,-379,-374,-366,-352,-304,-339,-304,-29978,-29979]} 1. d4 {[%emt 0:00:13]} d5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:15]} Nf6 {[%emt 0:00:08]} 3. e3 {[%emt 0:00:29]} c6 {[%emt 0:00:56]} 4. Bd3 {[%emt 0:00:23]} Bg4 {[%emt 0:00:28]} 5. h3 {[%emt 0:00:13]} Bh5 {[%emt 0:00:13]} 6. c4 {[%emt 0:02:41] D04: Colle System.} Nbd7 {[%emt 0:03:54][%cal Oe7e5]} 7. cxd5 {[%emt 0:01:44]} cxd5 {[%emt 0:00:14]} 8. Nbd2 {[%emt 0:00:51] The position is equal.} e6 {[%emt 0:05:01][%cal Be7e6,Be6e5,Be5e4][%mdl 32]} 9. O-O {[%emt 0:01:30] [#]} Be7 $146 {[%emt 0:01:24]} ({Predecessor:} 9... Bd6 10. b3 O-O 11. Bb2 Qe7 12. Rc1 Rad8 13. Rc3 e5 14. dxe5 Nxe5 15. Be2 Nc6 {½-½ (36) Archambault,P-Pimmingstorfer,C CServe email 1995}) 10. Re1 {[%emt 0:04:56]} O-O {[%emt 0:01:32]} 11. Qb3 {[%emt 0:11:42]} Qc7 {[%emt 0:05:12]} 12. Nh2 {[%emt 0:07:08]} ({White should try} 12. Nf1 $11) 12... e5 {[%emt 0:02:19]} 13. Ndf1 {[%emt 0:06:56]} e4 {[%emt 0:05:12]} 14. Be2 {[%emt 0:02:35]} Bxe2 {[%emt 0:01:44]} 15. Rxe2 {[%emt 0:00:04]} Rfc8 {[%emt 0:04:01]} 16. Ng3 {[%emt 0:00:53]} g6 {[%emt 0:01:23]} 17. Ng4 {[%emt 0:08:02]} Nxg4 {[%emt 0:05:35]} 18. hxg4 {[%emt 0:00:02]} Qd6 {[%emt 0:00:32]} 19. Bd2 {[%emt 0:01:15]} (19. Nf1 $142) 19... Nf6 $17 {[%emt 0:00:33]} 20. a3 {[%emt 0:01:18]} a5 {[%emt 0:01:00] Against Bb4} (20... Nxg4 21. Bb4 Qb6 22. Qxd5 Bxb4 23. axb4 $11) 21. g5 {[%emt 0:01:00]} Nd7 {[%emt 0:00:41]} 22. Qb5 {[%emt 0:00:09]} b6 {[%emt 0:03:22]} (22... Qc6 $17 23. Qxc6 Rxc6) 23. b4 {[%emt 0:01:19]} (23. Ree1 $1 $15) 23... Bxg5 {[%emt 0:00:52]} 24. Nxe4 $1 {[%emt 0:00:11]} dxe4 {[%emt 0:00:19]} 25. Qxg5 {[%emt 0:00:15][%cal Rb4a5]} f5 {[%emt 0:02:28]} ({Better is} 25... a4 $1 $15) 26. g4 {[%emt 0:03:49]} (26. bxa5 $11 bxa5 27. Be1) 26... Qf6 {[%emt 0:01:19] &Nero is more active.} ({Black should play} 26... a4 $17) 27. Qxf6 $11 {[%emt 0:06:17]} Nxf6 {[%emt 0:00:05]} 28. gxf5 {[%emt 0:01:05]} gxf5 {[%emt 0:00:07]} 29. bxa5 {[%emt 0:00:35]} bxa5 {[%emt 0:00:06]} 30. Rb1 {[%emt 0:00:17]} Rc2 {[%emt 0:03:07]} 31. Rb5 {[%emt 0:03:53][%csl LRa5,LRf5]} Ra2 {[%emt 0:01:17]} 32. Rxf5 {[%emt 0:00:25]} Kf7 {[%emt 0:00:26]} 33. Kf1 {[%emt 0:02:15]} Rxa3 {[%emt 0:00:39]} 34. Bc1 {[%emt 0:01:05]} (34. f3 $5 {[%cal Rf3e4]} Kg6 35. Rf4 exf3 36. Rxf3 $15) 34... Rb3 {[%emt 0:02:22]} (34... Ra1 $5 {[%cal Ra1c1]} 35. Rc2 Kg6 $15) 35. Rc2 {[%emt 0:00:10] Hoping for Rc6.} Kg6 {[%emt 0:00:37]} 36. Rf4 {[%emt 0:00:38]} Ra6 {[%emt 0:00:34] Against Rc6} 37. f3 $1 {[%emt 0:08:54]} exf3 {[%emt 0:04:06]} 38. Rxf3 {[%emt 0:00:09]} a4 {[%emt 0:00:40] Strongly threatening ...a3.} 39. d5 $2 {[%emt 0:08:00] [#] Now White is beyond hope.} (39. Rg3+ $11 Kf7 40. Rc7+ Kf8 41. Rc8+ Ne8 42. Rg5) 39... a3 $1 $19 {[%emt 0:00:29] ...a2 is the strong threat.} (39... Nxd5 $2 40. Rg2+ Kh6 41. Rh3#) 40. Bxa3 {[%emt 0:01:32]} ({Much weaker is} 40. Rg2+ Kf7 41. Bxa3 Rb1+ 42. Bc1 Rxc1+ $19) (40. Rg3+ Kf7 41. Rc7+ Ke8 42. Rgg7) 40... Rbxa3 {[%emt 0:00:44]} ({Stronger than} 40... Raxa3 41. Rc6 $11) 41. Rg2+ {[%emt 0:02:30]} Kf7 {[%emt 0:00:09]} 42. Rgf2 {[%emt 0:00:21]} Ke7 {[%emt 0:01:48]} 43. Kg2 {[%emt 0:00:40]} Ng4 {[%emt 0:04:28]} ({Not} 43... Nxd5 $2 44. Rf7+ Kd8 45. Rf8+ Ke7 46. R8f7+ Ke8 47. Rf8+ Kd7 48. R8f7+ Kd8 49. Rf8+ Ke7 50. R8f7+ $19) 44. Rf1 {[%emt 0:00:16] [#]} (44. Rf7+ $19 Kd6 45. Re2) 44... Nxe3+ {[%emt 0:00:18] Weighted Error Value: White=0.46/Black=0.15 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.12"]
[White "Sandoval Mercado, Carlos"]
[Black "Avila Rodriguez, Joshua Ad"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2289"]
[BlackElo "2182"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,112,1,17,6,29,29,32,19,71,38,76,56,79,51,91,90,202,226,198,208,195,215,249,136,122,108,126,120,134,132,213,200,189,58,187,170,243,165,163,157,154,152,155,160,150,156,166,136,142,96,100,86,138,140,156,135,131,137,153,65,96,-13,64,45,50,-8,62,37,74,74,74,74,74,59,59,59,59,59,59,59,76,59,77,59,76,59,76,76,76,59,76,60,83,83,83]} 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:20]} 2. c4 {[%emt 0:00:05]} e6 {[%emt 0:00:06]} 3. Nf3 {[%emt 0:00:05]} d5 {[%emt 0:00:07]} 4. g3 {[%emt 0:00:05]} dxc4 {[%emt 0:00:16]} 5. Bg2 {[%emt 0:00:05]} c5 {[%emt 0:00:14]} 6. O-O {[%emt 0:01:11]} Nc6 {[%emt 0:02:28]} 7. Qa4 {[%emt 0:02:20]} Bd7 {[%emt 0:00:49]} 8. Qxc4 {[%emt 0:00:15]} b5 {[%emt 0:00:26]} 9. Qd3 {[%emt 0:00:57]} c4 {[%emt 0:00:12]} 10. Qd1 {[%emt 0:00:52]} Rc8 {[%emt 0:01:24]} 11. Re1 {[%emt 0:03:42] E04: Open Catalan: 5 Nf3.} Bb4 {[%emt 0:10:49]} 12. Nc3 {[%emt 0:02:12]} O-O {[%emt 0:05:31]} 13. e4 {[%emt 0:02:57] White is slightly better.} Re8 {[%emt 0:15:43] [#]} (13... h6 $11) 14. Bf4 $146 {[%emt 0:12:30]} ({Predecessor:} 14. Nxb5 Bxe1 15. Nxe1 e5 16. Bg5 Rb8 17. Bxf6 Qxf6 18. Nc7 Rxb2 19. Nf3 Nxd4 20. Nxe8 Bxe8 {0-1 (30) Gilea,L (2270)-Cosma,I (2400) Baile Govora 2017}) 14... Ne7 {[%emt 0:22:07]} 15. Ne5 {[%emt 0:10:17]} Ba5 {[%emt 0:00:53]} 16. a3 {[%emt 0:02:06]} (16. Nxd7 Qxd7 17. Bg5 b4 $11) 16... a6 {[%emt 0:06:30]} 17. Bg5 {[%emt 0:03:22]} Bb6 {[%emt 0:14:50]} (17... h6 $16 {was necessary.} 18. Bxf6 gxf6) 18. Bxf6 $18 {[%emt 0:23:22]} gxf6 {[%emt 0:00:07]} 19. Ng4 {[%emt 0:00:03]} Kg7 {[%emt 0:00:43]} 20. e5 $1 {[%emt 0:00:11]} (20. Qd2 $6 Ng8 $14) 20... Ng8 {[%emt 0:01:47]} 21. exf6+ {[%emt 0:06:49]} (21. Ne4 $1 $18 f5 22. Ngf6) 21... Nxf6 $16 {[%emt 0:00:20]} 22. Ne5 {[%emt 0:00:01] Against Bc6. Pair of Knights!} Rg8 {[%emt 0:07:29]} 23. Qd2 {[%emt 0:07:02]} Be8 {[%emt 0:01:54]} 24. Rad1 {[%emt 0:02:09] 0x0.002ceff46a05dp-1022s more active pieces.} Nd5 {[%emt 0:00:48]} (24... Kh8 $16 {was called for.}) 25. Nxd5 {[%emt 0:02:04]} exd5 {[%emt 0:00:02] [#]} 26. Ng4 {[%emt 0:00:48]} (26. Bxd5 $1 $18 {[%cal Od2f4][%mdl 512] aiming for Qf4!} h5 27. Qf4 $1) 26... Rc6 {[%emt 0:02:24]} (26... Kh8 $14 27. Qf4 Rg6) 27. Re5 $18 {[%emt 0:01:05]} Kh8 {[%emt 0:03:06]} (27... Rd6 $142) 28. Rxd5 {[%emt 0:07:43]} Rd6 {[%emt 0:00:10]} 29. Rxd6 {[%emt 0:00:04]} Qxd6 {[%emt 0:00:03]} 30. Nh6 {[%emt 0:00:15]} Rg6 {[%emt 0:00:45] [#]} 31. Nf5 {[%emt 0:01:10]} Qf6 {[%emt 0:00:18]} 32. Ne3 {[%emt 0:01:41]} Qd6 {[%emt 0:01:20]} 33. Nd5 {[%emt 0:01:12] And now Re1 would win.} Bd8 {[%emt 0:00:10]} 34. Nf4 {[%emt 0:03:23]} (34. a4 $142) 34... Rg8 $16 {[%emt 0:00:24]} 35. Qe2 {[%emt 0:00:32]} Bg5 {[%emt 0:01:49]} (35... Bd7 $142) 36. Nd5 {[%emt 0:01:30]} Bd7 {[%emt 0:00:40] [#]} 37. Qe5+ $1 {[%emt 0:00:24]} Qxe5 {[%emt 0:00:06]} 38. dxe5 {[%emt 0:00:01]} Be6 {[%emt 0:00:52]} 39. Nc7 {[%emt 0:04:15]} (39. Nf6 $16) 39... Bc8 {[%emt 0:00:02]} 40. Be4 {[%emt 0:01:04]} (40. Kf1 $16) 40... Rd8 {[%emt 0:00:18]} ({Black should play} 40... Bf4 $1 $11 41. Nd5 (41. Rd5 $2 Bb7 $19) 41... Bxe5) 41. Rxd8+ Bxd8 $14 {[%emt 0:00:01][%mdl 4096] Endgame KBB-KBN} 42. Ne8 {[%emt 0:00:34]} (42. Nd5 $14) 42... Bd7 {[%emt 0:01:41]} ({Black should try} 42... Bb6 $11) 43. Nd6 {[%emt 0:00:07]} (43. Nf6 $5 {[%cal Rf6d7]} Be6 44. Nd5 $16 (44. Nxh7 Bb6 $14)) 43... Kg7 {[%emt 0:01:05]} 44. Bb7 {[%emt 0:00:12]} a5 {[%emt 0:00:15]} 45. Ba6 {[%emt 0:00:18]} Bc7 {[%emt 0:00:16]} 46. Nxb5 {[%emt 0:01:20]} ({Reject} 46. Bxb5 Bxd6 47. Bxd7 Bxe5 $11) 46... Bxb5 {[%emt 0:00:13]} 47. Bxb5 {[%emt 0:00:02]} Bxe5 {[%emt 0:00:06]} 48. Bxc4 {[%emt 0:00:03]} Bxb2 $16 {[%emt 0:00:07] KB-KB} 49. a4 $1 {[%emt 0:00:01]} Bc3 {[%emt 0:00:33]} 50. Kg2 {[%emt 0:00:03]} Bb4 {[%emt 0:00:10]} 51. h3 {[%emt 0:03:29]} Bc3 {[%emt 0:00:05]} 52. Kf3 {[%emt 0:00:00]} Be1 {[%emt 0:00:07]} 53. Ke2 {[%emt 0:00:00]} Bb4 {[%emt 0:03:59]} 54. f4 {[%emt 0:01:30]} f6 {[%emt 0:00:00]} 55. Kf3 {[%emt 0:00:30]} h6 {[%emt 0:00:00]} 56. Ke4 {[%emt 0:00:00]} Be1 {[%emt 0:00:00] Black escapes into a draw.  Weighted Error Value: White=0.20 (precise) /Black=0.29 (precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.13"]
[White "Silva Hernandez, Jose Luis"]
[Black "Diaz Rosas, Julio Cesar"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2006"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,108,-6,33,27,36,22,22,13,37,37,26,27,39,35,38,51,42,35,41,27,52,55,47,49,48,6,55,80,89,80,77,80,71,-32,-20,-111,-38,-60,-53,-54,-50,-45,-63,-60,-63,-63,-64,-105,-61,-121,-131,-160,-153,-156,-152,-179,-156,-159,-122,-90,-39,-109,-43,-44,-42,-118,-95,-106,-94,-130,-31,-66,-63,-133,-73,-73,-64,-55,-8,-31,-24,-60,-61,-72,-84,-1104,-1060,-29975,-29976,-6266,-6266,-29977,-29978,-6076,-29979,-29984,-29978,-29987,-29987,-29994,-29995]} 1. d4 {[%emt 0:00:30]} Nf6 {[%emt 0:15:57]} 2. Bg5 {[%emt 0:00:26]} c5 {[%emt 0:00:10]} 3. d5 {[%emt 0:00:13]} Ne4 {[%emt 0:00:08]} 4. Bf4 {[%emt 0:00:15]} e6 {[%emt 0:00:05]} 5. c4 {[%emt 0:01:00] [#]} Bd6 $146 {[%emt 0:00:23]} ({Predecessor:} 5... Qf6 6. e3 Qxb2 7. Ne2 Qxa1 {0-1 (7) Besa,M (1768)-Malicka,M (1907) Tornelo INT 2020}) 6. Bxd6 {[%emt 0:05:58] A45: Trompowsky Attack.} Nxd6 {[%emt 0:00:25]} 7. e3 {[%emt 0:00:11]} O-O {[%emt 0:00:09][%cal Ob7b5]} 8. Nf3 {[%emt 0:00:31] The position is equal.} Ne4 {[%emt 0:08:52]} 9. Bd3 {[%emt 0:03:12]} Nf6 {[%emt 0:00:34]} 10. O-O {[%emt 0:00:45]} exd5 {[%emt 0:00:48]} 11. cxd5 {[%emt 0:03:56]} d6 {[%emt 0:02:40]} 12. h3 {[%emt 0:00:10]} Nbd7 {[%emt 0:00:58]} 13. Nc3 {[%emt 0:01:43]} Re8 {[%emt 0:00:06]} 14. Qc2 {[%emt 0:06:21]} Nf8 {[%emt 0:00:31]} 15. Rfe1 {[%emt 0:02:20]} Ng6 {[%emt 0:00:10]} 16. Bxg6 {[%emt 0:06:09]} hxg6 {[%emt 0:01:02]} 17. Nd2 {[%emt 0:01:23]} b5 {[%emt 0:02:15]} (17... g5 $11) 18. Nxb5 $14 {[%emt 0:09:07] Black must now prevent Nc4.} Nxd5 {[%emt 0:00:27]} 19. Nc4 $1 {[%emt 0:01:27]} Nb4 {[%emt 0:00:44]} 20. Qc3 {[%emt 0:09:31]} Re6 {[%emt 0:05:00]} 21. Rad1 {[%emt 0:16:47]} ({White should play} 21. a3 $1 $16 {[%cal Ra3b4]} Nc6 22. Nbxd6) 21... d5 $36 {[%emt 0:00:45][%mdl 2048] ...Bd7 is the strong threat. Black has some pressure.} 22. e4 {[%emt 0:02:47]} (22. a3 $11 {keeps the balance.} Nc6 23. Qc1) 22... Ba6 {[%emt 0:01:22]} (22... Bd7 $17 23. Ncd6 Qb6) 23. a4 {[%emt 0:01:55]} Bxb5 {[%emt 0:00:36]} 24. axb5 {[%emt 0:00:05]} d4 {[%emt 0:00:11]} 25. Qg3 {[%emt 0:02:32]} Qd7 {[%emt 0:00:54]} 26. e5 {[%emt 0:01:11]} Qxb5 {[%emt 0:02:14]} 27. Nd6 {[%emt 0:00:39]} Qc6 {[%emt 0:00:27]} 28. f4 {[%emt 0:00:33]} Nd5 {[%emt 0:01:12]} 29. h4 {[%emt 0:03:47]} ({Reject} 29. f5 gxf5 30. Nxf5 Rg6 $17) ({White should try} 29. Ne4 $15) 29... Ne3 $17 {[%emt 0:03:28]} 30. Rxe3 {[%emt 0:00:41]} dxe3 {[%emt 0:00:04]} 31. Qxe3 {[%emt 0:00:04]} Rd8 {[%emt 0:01:00][%cal Rd8d6] And now ...Rdxd6 would win.} 32. Qh3 {[%emt 0:00:32]} Qa4 {[%emt 0:01:27][%csl LRd1,LRf4]} 33. Qf3 {[%emt 0:00:41]} Qc2 {[%emt 0:02:59]} 34. b3 {[%emt 0:01:03]} Re7 {[%emt 0:02:53]} (34... Rb8 $17 35. Rd3 Qc1+ 36. Kh2 Qe1) 35. Rd3 {[%emt 0:01:59]} (35. Kh2 $1 $15) 35... Qc1+ {[%emt 0:05:48]} (35... f6 $17 36. h5 gxh5 37. Qd5+ Kf8) 36. Kh2 {[%emt 0:00:14]} Qe1 {[%emt 0:02:02]} 37. Kh3 {[%emt 0:04:33]} (37. Qg4 $15) 37... Red7 {[%emt 0:01:18]} 38. Rd1 {[%emt 0:01:40]} Qb4 {[%emt 0:01:31]} 39. Rd3 {[%emt 0:02:04]} Qb8 {[%emt 0:05:08]} (39... a5 $1 $17 40. g3 a4 41. bxa4 Qxa4) 40. Qd5 {[%emt 0:03:37]} Qc7 {[%emt 0:01:40]} 41. Kg4 {[%emt 0:01:58] [#]} (41. Kh2 $15) 41... Re7 {[%emt 0:01:37]} (41... Qb7 $142 $3 {[%mdl 512]} 42. h5 Qxd5 43. Rxd5 gxh5+ 44. Kxh5 Rc7) 42. Rc3 {[%emt 0:00:40]} Qd7+ {[%emt 0:02:05]} 43. Kg3 {[%emt 0:00:15]} Kh7 {[%emt 0:02:19]} (43... a5 $15 {was preferrable.}) 44. Qd3 {[%emt 0:05:06]} f6 {[%emt 0:01:16][%cal Bf7f6,Bf6e5,Be5f4][%mdl 32]} 45. h5 {[%emt 0:00:19]} fxe5 {[%emt 0:00:34]} 46. hxg6+ {[%emt 0:00:07] [#]} Kg8 $1 {[%emt 0:02:00]} (46... Kh8 $2 47. Qf3 (47. fxe5 Kg8 $16) 47... exf4+ 48. Kh2 $18) 47. Qd1 $2 {[%emt 0:02:13][%mdl 8192] Loses the game.} exf4+ $19 {[%emt 0:00:26]} 48. Kh2 {[%emt 0:00:04]} Qxd6 {[%emt 0:09:14]} 49. Qh5 {[%emt 0:00:10]} Re3 {[%emt 0:02:52] ( -> ...f3+)} 50. Qh7+ {[%emt 0:01:27]} Kf8 {[%emt 0:00:01]} 51. Qh8+ {[%emt 0:00:02]} Ke7 {[%emt 0:00:07]} 52. Qxg7+ {[%emt 0:00:09] Black mates.} Ke6 {[%emt 0:00:02]} 53. Qf7+ {[%emt 0:00:11]} Ke5 {[%emt 0:00:10]} 54. Qxf4+ {[%emt 0:00:13]} Kxf4 {[%emt 0:16:24] Weighted Error Value: White=0.55/Black=0.16 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.14"]
[White "Gongora Montes, Benjamin"]
[Black "Benitez Lozano, Javier"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2157"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,51,0,-6,-30,-23,-28,22,11,48,0,60,45,56,60,71,76,68,52,47,57,77,0,132,117,387,377,366,384,363,371,461,451,870,865,29991,1308]} 1. d4 {[%emt 0:05:45]} Nf6 {[%emt 0:00:21]} 2. c4 {[%emt 0:00:04]} e6 {[%emt 0:00:26]} 3. Nc3 {[%emt 0:00:05]} Bb4 {[%emt 0:00:15]} 4. Qc2 {[%emt 0:00:04]} b6 {[%emt 0:00:18]} 5. e3 {[%emt 0:09:20]} Bb7 {[%emt 0:00:50]} 6. Nf3 {[%emt 0:00:07]} Ne4 {[%emt 0:01:05]} 7. Bd2 {[%emt 0:01:47]} Bxc3 {[%emt 0:05:03]} 8. Bxc3 {[%emt 0:00:06]} O-O {[%emt 0:01:12]} 9. Bd3 {[%emt 0:01:23]} f5 {[%emt 0:00:47]} 10. O-O {[%emt 0:07:33] E21: Nimzo-Indian: 4 Nf3.} Nxc3 {[%emt 0:26:37]} 11. bxc3 {[%emt 0:01:30]} Nc6 {[%emt 0:13:53]} (11... Bxf3 $142 12. gxf3 Qh4) 12. e4 $11 {[%emt 0:00:39][%cal Re4f5] [#] The position is equal.} Ne7 $146 {[%emt 0:24:06]} ({Predecessor:} 12... Qf6 13. e5 Qg6 14. Qd2 Nxe5 15. dxe5 Bxf3 16. g3 Qh5 17. Rfe1 f4 18. Be2 fxg3 19. fxg3 Bxe2 20. Rxe2 Rf7 21. Rae1 Raf8 22. Rg2 Qxe5 {0-1 (22) Pfeifers,G (1508)-Fuchs,K (1808) SVR 2009}) 13. a4 {[%emt 0:00:27]} (13. d5 $14) 13... a5 {[%emt 0:09:10]} (13... Ng6 $11) 14. d5 $14 {[%emt 0:04:27]} fxe4 {[%emt 0:06:39]} 15. Bxe4 {[%emt 0:00:15]} exd5 {[%emt 0:00:42]} 16. Bxh7+ {[%emt 0:06:57]} Kh8 {[%emt 0:00:13][%cal Of8f3] Strongly threatening ...Rxf3!} 17. Ng5 {[%emt 0:05:47] aiming for Rae1. &Bianco is more active.} (17. Rfe1 $5 {[%cal Re1e5]}) 17... Nf5 $1 {[%emt 0:04:07]} 18. f4 {[%emt 0:00:32]} Qf6 {[%emt 0:00:34] [#]} (18... Ne3 19. Qd3 d4 20. cxd4 Rxf4 21. Bg8 $1 $18) 19. cxd5 {[%emt 0:04:25]} ({Better is} 19. Rae1 $1 $16 {[%cal Re1e5]}) 19... Ne3 {[%emt 0:02:05]} ({Resist} 19... Bxd5 20. Qd3 Bb7 21. Rad1 $16 (21. Qxd7 Bc6 $14)) (19... g6 $1 $11) 20. Qd3 $40 {[%emt 0:00:34][%mdl 128] Black is in trouble.} Nxd5 {[%emt 0:01:31][%mdl 8192] A mistake that costs the game.} (20... Nxf1 $16 21. Rxf1 Qh6) 21. Be4 $18 {[%emt 0:05:02][%cal Bh7e4,Be4b7,Bb7a6][%mdl 32]} ({Worse is} 21. Bg8 Qf5 22. Qxf5 Rxf5 23. Bxd5 Rxd5 $15) 21... Qxc3 {[%emt 0:00:18]} 22. Qxc3 {[%emt 0:00:55]} Nxc3 {[%emt 0:00:06]} 23. Bxb7 {[%emt 0:00:05]} Rab8 {[%emt 0:01:07]} 24. Ba6 {[%emt 0:00:36]} d5 {[%emt 0:00:33]} (24... Rbe8 $142 25. Rf3 Ne2+ 26. Bxe2 Rxe2) 25. Rf3 {[%emt 0:00:41]} d4 {[%emt 0:00:31]} 26. Rh3+ {[%emt 0:00:09] Weighted Error Value: White=0.12 (very precise) /Black=0.95} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.15"]
[White "Hernandez Guerrero, Eduardo"]
[Black "Hernandez Jimenez, Alexander Andres"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2232"]
[BlackElo "2167"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,47,18,28,23,26,27,29,21,33,16,21,24,16,17,21,0,5,1,36,31,32,19,41,47,60,32,392,396,375,360,562,555,537,528]} 1. e4 {[%emt 0:00:10]} e5 {[%emt 0:00:15]} 2. Nf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:08]} 3. Bb5 {[%emt 0:00:40]} a6 {[%emt 0:00:10]} 4. Ba4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:17]} 5. O-O {[%emt 0:00:20]} b5 {[%emt 0:03:18]} 6. Bb3 {[%emt 0:00:11]} Be7 {[%emt 0:00:11]} 7. d3 {[%emt 0:05:46]} d6 {[%emt 0:01:05]} 8. c3 {[%emt 0:00:07]} O-O {[%emt 0:02:33]} 9. a4 {[%emt 0:01:25] 9.h3 is setting a new trend. C84: Closed Ruy Lopez: Unusual White 6th moves.} b4 {[%emt 0:03:06]} 10. a5 {[%emt 0:00:50]} bxc3 {[%emt 0:07:54]} 11. bxc3 {[%emt 0:00:52] White has an edge.} h6 {[%emt 0:07:10]} 12. Nbd2 {[%emt 0:01:36][%cal Bb1d2,Bd2c4,Bc4e3,Be3d5][%mdl 32]} Rb8 {[%emt 0:11:31]} 13. Re1 {[%emt 0:04:34]} Be6 {[%emt 0:06:55]} 14. Nc4 {[%emt 0:05:20]} Nd7 {[%emt 0:08:37] [#]} 15. Ba2 $146 {[%emt 0:02:59]} ({Predecessor:} 15. Ba4 Na7 16. Be3 Nb5 17. Qc2 f5 18. exf5 Bxf5 19. Ncd2 c5 20. Bb3+ Kh7 21. Ne4 {1-0 (44) Shirov,A (2726)-Almasi,Z (2650) Mallorca 2004}) 15... Bf6 {[%emt 0:02:16]} 16. h3 {[%emt 0:03:11]} d5 {[%emt 0:04:01]} 17. Ne3 {[%emt 0:04:56]} dxe4 {[%emt 0:00:19]} 18. dxe4 {[%emt 0:00:04]} Bxa2 {[%emt 0:02:45]} 19. Rxa2 {[%emt 0:00:58] Strongly threatening Rd2.} Qc8 {[%emt 0:10:16]} 20. Nd5 {[%emt 0:05:21]} Be7 $2 {[%emt 0:04:44][%mdl 8192] [#] A mistake that costs the game.} (20... Re8 $14) 21. Qa4 $1 $18 {[%emt 0:05:56]} Rb5 {[%emt 0:00:01] [#]} 22. c4 $1 {[%emt 0:00:09]} Nc5 {[%emt 0:01:31]} (22... Rxd5 $142 23. exd5 Nb4) 23. Nxe7+ {[%emt 0:01:05]} Nxe7 {[%emt 0:00:03]} 24. Qa3 {[%emt 0:00:09] Weighted Error Value: White=0.05 (flawless) /Black=0.65} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.16"]
[White "Montes Orozco, Miguel Angel"]
[Black "Lopez Raygoza, Luis Alberto"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "1914"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,54,60,67,66,79,14,4,0,76,73,59,24,56,14,87,69,73,61,67,81,101,102,88,0,0,0,0,0,0,0,0,-46,-46,-81,-32,-36,-22,-51,0]} 1. d4 {[%emt 0:01:21]} d5 {[%emt 0:14:39]} 2. c4 {[%emt 0:00:07]} dxc4 {[%emt 0:00:18]} 3. e3 {[%emt 0:04:58]} e5 {[%emt 0:00:28]} 4. Bxc4 {[%emt 0:02:19]} exd4 {[%emt 0:02:20]} 5. exd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:06]} 6. Nf3 {[%emt 0:00:44]} Bd6 {[%emt 0:00:09]} 7. O-O {[%emt 0:00:29]} O-O {[%emt 0:00:17]} 8. Nc3 {[%emt 0:05:37]} Bg4 {[%emt 0:05:13]} 9. h3 {[%emt 0:00:16]} Bh5 {[%emt 0:00:19]} 10. g4 {[%emt 0:01:55] D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} Bg6 {[%emt 0:05:22]} 11. Bg5 {[%emt 0:00:21]} ({White should try} 11. Ne5 $16) 11... Nbd7 $11 {[%emt 0:04:23]} 12. Re1 {[%emt 0:07:04] The position is equal.} Re8 {[%emt 0:09:35] [#] Against Ne5} (12... c6 $11 {keeps the balance.}) 13. Qb3 $146 {[%emt 0:15:21]} ({Predecessor:} 13. Qd2 c6 14. Rxe8+ Qxe8 15. Re1 Qf8 16. Ne5 Nb6 17. Bb3 Nfd5 18. f4 f6 19. f5 {0-1 (44) Williams,S (2411)-Brynell,S (2458) Oslo 2004}) 13... Nb6 {[%emt 0:07:08]} 14. Bf1 {[%emt 0:02:27]} (14. Ne5 $5 {[%cal Rc4f7]} Nxc4 15. Nxc4 $14) 14... Be7 {[%emt 0:02:47]} 15. Bg2 {[%emt 0:08:22]} (15. Ne5 $5 {[%cal Rh3h4]}) 15... Rb8 {[%emt 0:11:21]} (15... c6 $11) 16. Ne5 {[%emt 0:04:26]} Qxd4 {[%emt 0:04:46] [#] White must now prevent ...Bc5.} 17. Nb5 {[%emt 0:02:15][%csl LRa7,LRc7,LRd4]} Qb4 {[%emt 0:02:35]} 18. Nxc7 {[%emt 0:00:50]} Rec8 {[%emt 0:02:10]} 19. Nxg6 {[%emt 0:05:28] 0x0.00299f40aea5dp-1022s more active pieces.} hxg6 {[%emt 0:00:27]} 20. Bf4 {[%emt 0:01:29]} Qxf4 $11 {[%emt 0:03:26]} 21. Rxe7 {[%emt 0:00:17]} Nxg4 {[%emt 0:00:09]} 22. hxg4 {[%emt 0:02:56] [#] Threatens to win with Nd5.} Rxc7 {[%emt 0:00:17]} 23. Rae1 {[%emt 0:00:04]} Rf8 {[%emt 0:12:54]} 24. Bxb7 {[%emt 0:00:41]} (24. Rxc7 $11 {feels stronger.} Qxc7 25. Bf3) 24... Qxg4+ $15 {[%emt 0:00:53]} 25. Qg3 {[%emt 0:00:05]} Qxg3+ {[%emt 0:00:45]} (25... Rxe7 $17 26. Rxe7 Qb4) 26. fxg3 {[%emt 0:00:02]} Rc2 {[%emt 0:00:28]} 27. R7e2 {[%emt 0:00:14]} Rc7 {[%emt 0:02:38] Weighted Error Value: White=0.24 (precise) /Black=0.21 (precise)} (27... Rc5 $15) 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.17"]
[White "Quiroga Jaquez, Angel Ivan"]
[Black "Rascon Vega, Alfonso"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2185"]
[BlackElo "2107"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,64,45,29,28,27,19,17,38,30,58,53,45,37,27,4,17,-22,-18,-20,-10,-16,-10,-17,-3,-49,-63,-116,-119,-106,-104,-106,-33,-150,-149,-153,-158,-164,-162,-203,-134,-194,-188,-197,-196,-422,-414,-420,-414,-826,-843,-803,-800]} 1. Nf3 {[%emt 0:01:45]} g6 {[%emt 0:00:30]} 2. d4 {[%emt 0:00:46]} Bg7 {[%emt 0:00:23]} 3. g3 {[%emt 0:01:12]} Nf6 {[%emt 0:01:49]} 4. Bg2 {[%emt 0:00:11]} O-O {[%emt 0:00:07]} 5. O-O {[%emt 0:00:27]} d6 {[%emt 0:00:06]} 6. b3 {[%emt 0:00:23]} c6 {[%emt 0:01:03]} 7. Bb2 {[%emt 0:00:30]} Qa5 {[%emt 0:00:27] Recently 7...Bf5 got a lot of attention.} 8. h3 {[%emt 0:07:03]} Qh5 {[%emt 0:02:12] A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} 9. g4 {[%emt 0:00:14]} Qa5 {[%emt 0:00:05] has lost popularity (9...Bxg4).} 10. Nbd2 {[%emt 0:03:15]} Nbd7 {[%emt 0:09:32] The position is equal.} 11. e4 {[%emt 0:00:36]} h5 {[%emt 0:00:59] [#]} 12. e5 $146 {[%emt 0:10:16] Strongly threatening Nc4.} ({Predecessor:} 12. g5 Nh7 13. Nc4 Qc7 14. a4 a5 15. Qd2 Rd8 16. Nh4 d5 17. exd5 cxd5 18. Bxd5 {1-0 (29) Shengelia,D (2572)-Boraso,A (2232) Vienna 2015}) 12... dxe5 {[%emt 0:00:28]} 13. dxe5 {[%emt 0:00:14] Hoping for Nc4.} Nd5 {[%emt 0:00:40]} 14. Nc4 {[%emt 0:00:39]} (14. gxh5 {is more complex.} Nf4 15. Nc4 Qc7 16. e6) 14... Qc7 {[%emt 0:01:13]} 15. Qd4 {[%emt 0:09:26] And now gxh5 would win.} (15. gxh5 {is interesting.} Nf4 16. Qd2 Bh6 17. Kh1) 15... hxg4 {[%emt 0:02:12]} 16. hxg4 {[%emt 0:00:25]} Rd8 {[%emt 0:04:21]} 17. Ne3 {[%emt 0:14:15]} Nf8 {[%emt 0:02:39]} 18. Nxd5 {[%emt 0:02:18]} cxd5 {[%emt 0:00:28]} 19. Ne1 {[%emt 0:16:56]} (19. Rfe1 $11 {deserves consideration.}) 19... Ne6 $15 {[%emt 0:00:24]} 20. Qd2 {[%emt 0:04:04]} (20. Qc3 $15) 20... Bxe5 $17 {[%emt 0:00:39]} 21. Bxe5 {[%emt 0:00:07]} Qxe5 {[%emt 0:00:07]} 22. Nd3 {[%emt 0:00:09]} Qg5 {[%emt 0:04:37]} (22... Qd4 $17 23. Rae1 Qxg4) 23. Qd1 {[%emt 0:01:56]} ({Better is} 23. Qxg5 $15 Nxg5 24. Rfe1) 23... Nf4 {[%emt 0:03:07] &Nero is more active.} 24. Nxf4 {[%emt 0:00:46]} Qxf4 {[%emt 0:00:06]} 25. f3 {[%emt 0:00:32]} e5 {[%emt 0:00:53]} 26. Qe2 {[%emt 0:00:16]} Qd4+ {[%emt 0:01:07]} 27. Kh2 {[%emt 0:00:07]} (27. Qf2 $17) 27... Kg7 $36 {[%emt 0:00:20][%mdl 2048] ...Rh8+ is the strong threat. Black has strong initiative.} 28. Rae1 {[%emt 0:01:12]} Rh8+ {[%emt 0:02:05]} 29. Bh3 $2 {[%emt 0:00:16]} (29. Kg3 {was the only defense.}) 29... Qf4+ $19 {[%emt 0:02:09]} 30. Kg2 {[%emt 0:00:09]} Rxh3 {[%emt 0:00:16]} 31. Kxh3 {[%emt 0:00:15] [#]} (31. Qxe5+ $142 Qxe5 32. Rxe5) 31... Bxg4+ $1 {[%emt 0:00:08][%mdl 512]} 32. Kg2 {[%emt 0:00:19] [#]} Bh3+ $1 {[%emt 1:01:18][%mdl 512] Weighted Error Value: White=0.53/Black=0.11 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.18"]
[White "Guerrero Cataldo, Juan Andres"]
[Black "Luna Javier, Edgar Froylan"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1976"]
[BlackElo "2148"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,104,15,36,0,3,0,0,11,43,24,216,13,5,-37,-33,-47,61,66,86,77,234,115,104,88,89,58,90,92,83,87,91,89,90,0,75,78,72,43,52,44,75,62,94,25,34,0,0,0,41,0,176,93,110,47,468,478,469,429,468,475,463,206,417,404,437,274,268,202,204,211,207,201,192,181,187,180,193,171,166,157,152,156,176,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 1:31:00]} c5 {[%emt 0:05:50]} 2. c3 {[%emt 0:00:00]} d5 {[%emt 0:04:29]} 3. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:19]} 4. d4 {[%emt 0:00:00]} Nc6 {[%emt 0:01:36]} 5. Nf3 {[%emt 0:00:00]} Bf5 {[%emt 0:04:25]} 6. Be2 {[%emt 0:00:00] B22: Sicilian: 2 c3.} cxd4 {[%emt 0:04:03]} 7. cxd4 {[%emt 0:00:00]} Bxb1 {[%emt 0:02:02]} 8. Rxb1 {[%emt 0:00:00] Threatening b4.} Qxa2 {[%emt 0:02:26]} 9. Be3 {[%emt 0:00:00]} Nf6 $2 {[%emt 0:00:31]} (9... e6 $1 $11) 10. O-O $2 {[%emt 0:00:00]} (10. Ne5 $1 $18 Qa5+ 11. b4) 10... e6 $11 {[%emt 0:04:36]} 11. Bb5 {[%emt 0:00:00] [#]} Bd6 $146 {[%emt 0:06:40]} ({Predecessor:} 11... Qd5 12. Qa4 a6 13. Bc4 Qd7 14. Qa2 Bd6 15. Rfd1 Nb4 16. Qb3 b5 17. Be2 Nbd5 {0-1 (30) Sanchez Alarcon,J (2181)-Aliakbarov,A (2263) Chess.com INT 2019}) 12. Ne5 {[%emt 0:00:00] Threatens to win with Nc4.} Bxe5 {[%emt 0:14:55]} (12... Qd5 $15 13. Qa4 a6 14. Bxc6+ bxc6) 13. dxe5 $14 {[%emt 0:00:00]} Nd5 {[%emt 0:00:13]} 14. Bc5 {[%emt 0:00:00]} a6 $2 {[%emt 0:00:11]} (14... Qa5 $16 15. Qb3 Qc7) 15. Bxc6+ {[%emt 0:00:00]} (15. Ba4 $1 $18) 15... bxc6 $16 {[%emt 0:01:33]} 16. Qd4 {[%emt 0:00:00]} Qb3 {[%emt 0:03:13]} 17. Ba3 {[%emt 0:00:00][%mdl 1024] White has strong compensation.} Qb6 {[%emt 0:00:24]} 18. Qg4 {[%emt 0:00:00]} g6 {[%emt 0:06:22]} 19. Rbc1 {[%emt 0:00:00] Prevents c5.} Rc8 {[%emt 0:02:46]} 20. Rfd1 {[%emt 0:00:00][%cal Od1d5] Black must now prevent Rxd5!} h5 {[%emt 0:03:37]} 21. Qh3 {[%emt 0:00:00]} (21. Qa4 $16) 21... Rc7 {[%emt 0:04:19]} (21... Nb4 $11) 22. Bd6 {[%emt 0:00:00]} Rd7 {[%emt 0:00:25]} 23. Qd3 {[%emt 0:00:00]} Ne7 {[%emt 0:03:46]} 24. Qa3 $1 {[%emt 0:00:00]} Qb7 {[%emt 0:03:45]} 25. Bc5 $1 {[%emt 0:00:00] &Bianco is much more active.} Rd5 {[%emt 0:05:27]} 26. Rxd5 {[%emt 0:00:00]} ({Reject} 26. Bxe7 Rxd1+ 27. Rxd1 Qxe7 $11) (26. h3 $1 $16) 26... Nxd5 $11 {[%emt 0:00:57]} 27. Bd6 {[%emt 0:00:00]} Kd7 {[%emt 0:01:47]} 28. Qf3 {[%emt 0:00:00]} f6 {[%emt 0:01:15]} 29. b4 {[%emt 0:00:00]} Qb5 $2 {[%emt 0:03:04]} (29... f5 $11) 30. Qg3 $1 $18 {[%emt 0:00:00] Strongly threatening exf6.} g5 {[%emt 0:04:31]} 31. exf6 {[%emt 0:00:00]} (31. h4 $16 Nf4 32. Qe3) 31... Nxf6 $2 {[%emt 0:00:02][%mdl 8192] [#]} ({Black should try} 31... h4 $1 $14 32. Qe5 Nf4) 32. Bc5 $1 {[%emt 0:00:00]} Nd5 {[%emt 0:04:02]} 33. Qd6+ {[%emt 0:00:00]} Kc8 {[%emt 0:00:01]} 34. Qxe6+ {[%emt 0:00:00]} Kb7 {[%emt 0:00:01]} 35. Bd6 {[%emt 0:00:00]} (35. Qd7+ $142 Nc7 36. Bd6) 35... Qb6 $2 {[%emt 0:00:00]} (35... Rd8 {might work better.} 36. Qf7+ Ka8) 36. Qd7+ {[%emt 0:00:00]} Nc7 {[%emt 0:00:00]} 37. Qg7 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 38. Bc5 {[%emt 0:00:00]} Qb5 {[%emt 0:00:00]} 39. Qxg5 {[%emt 0:00:00]} Rd5 {[%emt 0:00:00]} 40. Qe7 {[%emt 0:00:00] Hoping for Bd6.} Qd3 {[%emt 0:00:00][%cal Od3d1]} 41. Rf1 {[%emt 0:00:00] Prevents Qd1.} Qg6 {[%emt 0:00:12]} 42. Be3 {[%emt 0:00:22] And now Bf4 would win.} Qf5 {[%emt 0:00:57] Against Bf4} 43. g3 {[%emt 0:01:07]} Rd7 {[%emt 0:01:03]} 44. Qh4 {[%emt 0:00:20]} Nd5 {[%emt 0:00:46] [#]} 45. Bc5 $1 {[%emt 0:02:53]} Qf3 {[%emt 0:02:10]} 46. Bd4 $2 {[%emt 0:01:53]} ({Better is} 46. h3 $18) 46... Nf4 $1 $11 {[%emt 0:04:49] The position is equal.} 47. gxf4 {[%emt 0:01:34]} Rxd4 {[%emt 0:00:00] KQR-KQR} 48. Qe7+ {[%emt 0:00:01]} Kc8 {[%emt 0:00:00]} 49. Qf8+ {[%emt 0:02:48]} Rd8 {[%emt 0:00:00]} 50. Qf5+ {[%emt 0:00:11]} Kc7 {[%emt 0:00:00] ...Rg8+ is the strong threat.} 51. Qa5+ {[%emt 0:03:18]} Kb7 {[%emt 0:00:00]} 52. Qxd8 {[%emt 0:01:15] Intending Qd7+ and mate.} Qg4+ {[%emt 0:00:28] White really could win this.  Weighted Error Value: White=0.36/Black=0.46} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.19"]
[White "Palma Villanueva, Miguel Ta"]
[Black "Davalos Prieto, Abel Justo"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2210"]
[BlackElo "2103"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,141,31,24,30,58,50,22,77,24,66,72,43,43,58,41,75,72,65,57,68,62,33,41,79,86,84,64,61,44,95,91,114,113,113,56,46,10,10,10,12,5,12,5,46,39,39,39,39,39,43,41,55,39,56,44,44,2,8,9,51,17,51,52,44,35,35,35,39,47,69,55,78,74,75,68,99,101,82,50,226,226,227,228,211,210,229,219,377,379,372,369,339,132,153,0,0,0,0,0,0,0,0,0,0,-2904,-2282,-3293,-2842,-29952,-29951,-3017,-2507,-29950,-29953,-11707,-137,-137,-137,-137,-137,-137,-137,-144]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:15]} 3. Bb5 {[%emt 0:00:03]} g6 {[%emt 0:00:13]} 4. O-O {[%emt 0:00:05]} Bg7 {[%emt 0:00:18]} 5. c3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:56]} 6. Re1 {[%emt 0:01:16]} O-O {[%emt 0:03:56]} 7. d4 {[%emt 0:04:51]} cxd4 {[%emt 0:09:20]} 8. cxd4 {[%emt 0:00:18]} a6 {[%emt 0:03:17]} 9. Bf1 {[%emt 0:08:27]} d6 {[%emt 0:05:00]} 10. h3 {[%emt 0:02:48]} Bd7 {[%emt 0:11:01]} 11. Nc3 {[%emt 0:03:30]} b5 {[%emt 0:07:14][%cal Bb7b5,Bb5b4][%mdl 32] B31: Sicilian: 2...Nc6 3 Bb5 g6.} 12. Bg5 {[%emt 0:18:15]} h6 {[%emt 0:01:14] [#]} 13. Bd2 $146 {[%emt 0:00:54]} ({Predecessor:} 13. Bh4 b4 14. Nd5 g5 15. Nxf6+ Bxf6 16. Bg3 Bg7 17. e5 dxe5 18. d5 Nd4 19. Bxe5 Nxf3+ 20. Qxf3 {1-0 (34) Polacik,I (2199)-Veselsky,J (2118) Slovakia 2011}) 13... Kh7 {[%emt 0:02:32]} (13... e5 $11) 14. Bd3 {[%emt 0:03:58]} (14. e5 $16 Ne8 15. a4) 14... Ne8 {[%emt 0:13:30]} 15. Be3 {[%emt 0:09:01]} e6 {[%emt 0:10:00]} 16. e5 {[%emt 0:08:05]} b4 {[%emt 0:06:37]} 17. Na4 {[%emt 0:03:57]} (17. Ne4 {looks sharper.} dxe5 18. dxe5 Nxe5 19. Nxe5 Bxe5 20. Nc5) 17... dxe5 {[%emt 0:02:52]} 18. dxe5 {[%emt 0:00:07]} Nxe5 {[%emt 0:00:43]} 19. Nxe5 {[%emt 0:00:32]} Bxa4 {[%emt 0:01:02]} 20. Qxa4 {[%emt 0:01:35]} Bxe5 {[%emt 0:00:13] [#]} 21. Qxb4 $1 {[%emt 0:04:00]} Bg7 {[%emt 0:00:46]} (21... Rh8 22. Qd2) 22. Rad1 {[%emt 0:01:16][%cal Od3g6]} Qb8 {[%emt 0:00:12]} 23. Qxb8 {[%emt 0:06:32] &Bianco is much more active. The black rooks are badly placed.} (23. Qh4 {keeps more tension.} Nf6 24. Bd4 Qd8 25. Bc5) 23... Rxb8 {[%emt 0:00:07]} 24. b3 {[%emt 0:00:03]} Bc3 {[%emt 0:05:07]} ({Black should try} 24... Nf6 $1 $14) 25. Re2 $16 {[%emt 0:02:29]} ({Inferior is} 25. Bxa6 Bxe1 26. Rxe1 Ra8 $17) 25... a5 {[%emt 0:01:15]} 26. Rc2 {[%emt 0:05:19]} Bb4 {[%emt 0:00:33]} 27. Ba7 {[%emt 0:01:06] This bishop pair is nice.} (27. Bf4 $16 Bd6 28. Bxd6 Nxd6 29. Bxg6+ $1 Kxg6 30. Rxd6) 27... Ra8 $14 {[%emt 0:00:27]} 28. Bc5 {[%emt 0:00:26]} Bxc5 {[%emt 0:00:35]} 29. Rxc5 {[%emt 0:00:07]} Nf6 {[%emt 0:00:14] Inhibits Be4.} 30. a4 {[%emt 0:01:14]} Rfc8 {[%emt 0:00:30]} 31. Rdc1 {[%emt 0:00:10]} Rxc5 {[%emt 0:00:18]} 32. Rxc5 $11 {[%emt 0:00:01][%mdl 4096] Endgame KRB-KRN} Ra7 {[%emt 0:00:44]} 33. Kf1 {[%emt 0:00:55]} Kg7 {[%emt 0:00:48]} 34. Ke2 {[%emt 0:00:18]} Nd7 {[%emt 0:02:28]} 35. Rb5 {[%emt 0:00:28]} h5 {[%emt 0:00:30]} 36. Ke3 {[%emt 0:00:33]} Kf6 {[%emt 0:00:14]} 37. Ke4 {[%emt 0:01:10]} Ke7 {[%emt 0:00:22]} 38. g4 {[%emt 0:00:39]} hxg4 {[%emt 0:00:09]} 39. hxg4 {[%emt 0:00:02]} Kd6 {[%emt 0:00:13]} 40. g5 {[%emt 0:00:38]} Nc5+ {[%emt 0:04:46]} 41. Kd4 {[%emt 0:04:31]} e5+ {[%emt 0:01:43]} 42. Kc3 {[%emt 0:00:05]} Ne6 {[%emt 0:00:15]} 43. Bc4 {[%emt 0:00:08]} Nxg5 {[%emt 0:01:16]} 44. Rd5+ {[%emt 0:00:07]} Ke7 {[%emt 0:00:22]} 45. Rxe5+ {[%emt 0:00:36]} Kf6 {[%emt 0:00:09]} 46. Re3 {[%emt 0:01:49]} Rb7 {[%emt 0:02:03] Against b4} 47. f4 {[%emt 0:01:11]} Nh7 {[%emt 0:00:25]} 48. Re5 {[%emt 0:00:19]} Ra7 {[%emt 0:00:04]} 49. Rb5 {[%emt 0:02:16]} Ke7 $2 {[%emt 0:01:03]} (49... Nf8 $1 $14) 50. Kd4 $1 $18 {[%emt 0:00:38]} Kd6 {[%emt 0:01:35]} 51. Rb6+ $1 {[%emt 0:00:34]} Ke7 {[%emt 0:02:41]} 52. Kc5 $1 {[%emt 0:02:16]} Nf6 {[%emt 0:00:06] ...Nd7+ is the strong threat.} 53. Rc6 {[%emt 0:02:43]} Nh5 $2 {[%emt 0:02:07]} (53... Nd7+ 54. Kb5 f6 55. Re6+ Kd8) 54. Kb6 {[%emt 0:00:06]} Rd7 {[%emt 0:00:33]} 55. Kxa5 {[%emt 0:00:30]} Nxf4 {[%emt 0:00:07]} 56. Kb6 $1 {[%emt 0:00:05]} g5 {[%emt 0:03:23]} 57. Rc8 $2 {[%emt 0:02:48]} (57. Rc5 $16) 57... g4 $1 $11 {[%emt 0:00:00]} 58. Rg8 {[%emt 0:01:11] Hoping for a5.} Ng6 {[%emt 0:00:00]} 59. Bf1 {[%emt 0:00:44]} g3 {[%emt 0:00:00]} 60. a5 {[%emt 0:00:08] And now a6 would win.} Rd1 {[%emt 0:00:00]} 61. Bg2 {[%emt 0:00:22] aiming for a6.} Rd2 {[%emt 0:00:00]} 62. a6 $2 {[%emt 0:02:03][%mdl 8192]} Rxg2 $19 {[%emt 0:00:07] KRN-KR} 63. a7 {[%emt 0:00:03]} Ra2 {[%emt 0:00:06]} 64. a8=Q {[%emt 0:00:04]} Rxa8 {[%emt 0:00:05]} 65. Rxa8 {[%emt 0:00:04] KR-KN} g2 {[%emt 0:00:16]} 66. Ra1 {[%emt 0:00:03] [#]} Nh4 $1 {[%emt 0:02:04]} 67. Kc7 {[%emt 0:01:16]} f5 $2 {[%emt 0:00:37]} (67... Nf3 $19 {has better winning chances.} 68. b4 g1=Q 69. Rxg1 Nxg1) 68. b4 $17 {[%emt 0:00:43] [#] Black is clearly better.} f4 $1 {[%emt 0:00:13][%cal Bf5f4,Bf4f3,Bf3f2][%mdl 1056] Black has strong compensation.} (68... Nf3 $2 69. b5 Nd4 70. b6 Nb5+ 71. Kc6 Nd4+ 72. Kc7 Nb5+ 73. Kc6 Nd4+ 74. Kd5 $18) 69. b5 {[%emt 0:00:08]} f3 {[%emt 0:03:02] ( -> ...f2)} (69... Nf3 $2 70. b6 g1=Q 71. Rxg1 Nxg1 72. b7 $18) 70. b6 f2 {[%emt 0:00:30]} 71. b7 {[%emt 0:03:10] What a bad dream for White.  Weighted Error Value: White=0.10 (very precise) /Black=0.20 (precise)} 1/2-1/2

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.20"]
[White "Cruz Gomez, Miguel Angel"]
[Black "Paredes Guzman, Francisco Javier"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2028"]
[BlackElo "1891"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,126,31,28,25,45,25,-12,-4,-14,-11,-1,0,-4,0,-3,4,0,32,1,28,6,4,6,29,37,37,34,45,10,22,26,20,0,0,-8,40,37,33,35,45,10,16,14,23,20,11,-33,0,0,47,33,64,57,106,106,106,106,117,119,118,112,128,117,270,266,235,237,299,264,269,272,339,319,476,462,595,318,321,193,256,250,231,201,198,52,45,8,8,8,8,0,0,0,0,-10,0,0,86,86,350,337,321,330,712,700,645,395,368,0,0,-914,-697]} 1. d4 {[%emt 0:01:13]} Nf6 {[%emt 0:00:08]} 2. Bf4 {[%emt 0:00:12]} d5 {[%emt 0:00:06]} 3. e3 {[%emt 0:00:13]} c5 {[%emt 0:00:04]} 4. Nf3 {[%emt 0:00:17]} Nc6 {[%emt 0:00:07]} 5. Nbd2 {[%emt 0:01:17]} cxd4 {[%emt 0:01:30]} 6. exd4 {[%emt 0:00:47]} g6 {[%emt 0:00:25]} 7. Be2 {[%emt 0:01:25]} Bg7 {[%emt 0:00:09]} 8. c3 {[%emt 0:00:58]} O-O {[%emt 0:00:16]} 9. O-O {[%emt 0:00:57]} Nh5 {[%emt 0:02:26] 9...Bf5 is more advanced technology. B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} 10. Bg5 {[%emt 0:04:42]} Qd6 {[%emt 0:22:42]} 11. Ne1 {[%emt 0:07:56]} Nf4 {[%emt 0:06:38] The position is equal.} 12. Bxf4 {[%emt 0:00:03]} Qxf4 {[%emt 0:00:07]} 13. Nd3 {[%emt 0:00:07] [#]} Qd6 $146 {[%emt 0:01:51]} ({Predecessor:} 13... Qc7 14. Re1 Bf5 15. Bf1 Rfd8 16. Nf3 Na5 17. Nh4 Bd7 18. Nc5 Be8 19. Nf3 b6 {0-1 (47) Simutowe,M (2157)-Phiri,R (2235) Livingstone 2017}) 14. f4 {[%emt 0:00:11]} f6 {[%emt 0:06:19]} 15. Nf3 {[%emt 0:03:45]} Be6 {[%emt 0:14:25]} 16. Qe1 {[%emt 0:07:54]} Bf7 {[%emt 0:00:26]} 17. Rd1 {[%emt 0:00:35]} Rac8 {[%emt 0:03:02]} 18. Qg3 {[%emt 0:08:42]} Na5 {[%emt 0:08:10]} 19. Nd2 {[%emt 0:17:48]} Kh8 {[%emt 0:06:32]} 20. Bg4 {[%emt 0:01:35]} e6 {[%emt 0:02:22]} 21. Rde1 {[%emt 0:05:32]} Rce8 {[%emt 0:01:16]} 22. Re2 {[%emt 0:01:03]} Re7 {[%emt 0:01:01]} 23. Rfe1 {[%emt 0:03:06]} Rfe8 {[%emt 0:00:16]} 24. Nf3 {[%emt 0:00:19]} b6 {[%emt 0:04:06]} 25. Qh4 {[%emt 0:06:27]} Qd7 {[%emt 0:02:00]} (25... h6 $11 {should be considered.}) 26. Bh3 $14 {[%emt 0:00:16]} Nc4 {[%emt 0:01:25]} 27. g4 {[%emt 0:05:23]} Nd6 {[%emt 0:01:03]} 28. Nf2 {[%emt 0:00:37]} (28. g5 {is more complex.} f5 29. Nfe5 Qb7 30. Bg2) 28... Qb7 {[%emt 0:01:08]} 29. Bg2 {[%emt 0:03:50]} a5 {[%emt 0:02:12]} 30. Qg3 {[%emt 0:01:30]} Qc7 {[%emt 0:02:09]} 31. Nd2 {[%emt 0:04:14]} a4 {[%emt 0:00:32][%cal Oa4a3]} 32. a3 {[%emt 0:00:07]} b5 {[%emt 0:00:08]} (32... e5 $11) 33. Nd3 {[%emt 0:00:53]} Nc4 {[%emt 0:00:16]} 34. Nf3 {[%emt 0:00:07]} Qd6 {[%emt 0:02:59]} (34... Nd6 $14) 35. g5 $16 {[%emt 0:01:28]} f5 {[%emt 0:00:36]} 36. Nfe5 {[%emt 0:01:33]} Nxe5 {[%emt 0:00:40]} 37. Nxe5 {[%emt 0:00:06]} Bxe5 {[%emt 0:00:17]} 38. Rxe5 {[%emt 0:00:01]} Kg7 {[%emt 0:00:14]} 39. Qh4 {[%emt 0:00:10]} Qd7 $2 {[%emt 0:02:08]} (39... Rc7 $16 40. Bxd5 Kh8) 40. Qh6+ $18 {[%emt 0:00:16]} Kg8 {[%emt 0:00:28] [#]} 41. R1e3 $1 {[%emt 0:00:12] White wants to mate with Rh3.} Kh8 {[%emt 0:00:34]} 42. Rh3 {[%emt 0:00:09][%csl Gh3][%cal Rh6h7]} Bg8 {[%emt 0:00:39]} 43. Qxg6 {[%emt 0:00:10]} b4 {[%emt 0:00:17]} 44. axb4 {[%emt 0:00:13]} a3 {[%emt 0:00:05]} (44... Rf8 {was necessary.} 45. Qh6 Rg7) 45. bxa3 {[%emt 0:00:05]} Qa4 {[%emt 0:00:13]} 46. Qh5 {[%emt 0:00:35] Against Qd1+} Qxa3 {[%emt 0:00:15]} 47. Rhe3 {[%emt 0:03:05][%cal Og2d5]} Qc1+ {[%emt 0:00:20]} (47... Rc8 {was worth a try.}) 48. Bf1 {[%emt 0:00:58]} Rc8 {[%emt 0:00:22]} 49. Qh3 {[%emt 0:00:30][%cal Oe5d5]} Rec7 {[%emt 0:00:21]} 50. c4 {[%emt 0:02:40]} ({Resist} 50. Qh6 $6 Rg7) (50. g6 $18) 50... dxc4 $14 {[%emt 0:03:18]} 51. d5 {[%emt 0:00:46]} c3 {[%emt 0:00:32]} 52. dxe6 {[%emt 0:00:05]} c2 {[%emt 0:00:06]} 53. Qxf5 {[%emt 0:01:05][%cal Oe3c3] Black must now prevent Rc3!} Qxe3+ {[%emt 0:00:19]} 54. Rxe3 {[%emt 0:01:40] Intending e7 and mate.} c1=Q {[%emt 0:00:07] Chess con chili.} 55. Qe5+ {[%emt 0:00:02]} Rg7 {[%emt 0:00:08]} 56. h4 $40 {[%emt 0:01:44][%mdl 128] aiming for f5. Black needs to defend precisely.} Qd1 {[%emt 0:00:53] [#]} (56... Rd8 $11 57. Re1 Qd2) 57. f5 $1 $16 {[%emt 0:00:23][%cal Bf4f5,Bf5f6][%mdl 32] Hoping for f6.} Qg4+ $2 {[%emt 0:03:12][%mdl 8192]} (57... Rc1 $16 {keeps fighting.} 58. Qf4 Qd2) 58. Rg3 $18 {[%emt 0:00:01]} Qxb4 {[%emt 0:01:38] Threatens to win with ...Rc5.} 59. f6 {[%emt 0:00:04][%csl Ge5][%cal Rf6g7]} Qb6+ $2 {[%emt 0:00:53]} (59... Rf7 60. e7 Qd2) 60. Re3 {[%emt 0:02:13][%csl Ge5][%cal Rf6g7]} Rf7 {[%emt 0:00:20]} 61. exf7 {[%emt 0:00:27]} Bxf7 {[%emt 0:00:05] And now ...Re8 would win.} 62. Qe7 {[%emt 0:02:14]} (62. Kg2 $18) 62... Re8 $11 {[%emt 0:00:04]} 63. Qxe8+ {[%emt 0:01:04][%mdl 8192]} (63. Qxf7 $11 Qxe3+ 64. Kg2 (64. Kh1 Qf3+ 65. Kg1 Qg3+ 66. Kh1 Qxh4+ 67. Kg1 Qxg5+ 68. Kh1 Qh6+ 69. Kg1 Qe3+ 70. Kh1 Qf3+ 71. Kg1 Qg3+ 72. Kh1 Rg8) 64... Qe4+ 65. Kg3 Qe3+ 66. Kg2 Qe4+ 67. Kg3 Qe3+ 68. Kg2) 63... Bxe8 {[%emt 0:00:09] A wild game.  Weighted Error Value: White=0.42/Black=0.29 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.21"]
[White "Gonzalez Cruz, Ian Josue"]
[Black "Tapie Amione, Pablo Adib"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1814"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,36,-5,14,-5,39,-20,-26,-46,-41,-43,-46,-82,-79,-72,-58,-51,-50,-51,-61,-54,-54,-60,-54,-84,-52,-88,-77,-985,-745]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:03:26]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:14]} 3. Nc3 {[%emt 0:00:05]} Bb4 {[%emt 0:00:08]} 4. Qc2 {[%emt 0:00:07]} O-O {[%emt 0:00:08]} 5. e4 {[%emt 0:00:13]} d6 {[%emt 0:01:01]} 6. Nf3 {[%emt 0:00:33] E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} Nc6 {[%emt 0:04:19]} 7. Bg5 {[%emt 0:01:00]} ({White should try} 7. Bd3 $14) 7... e5 $11 {[%emt 0:00:15]} 8. dxe5 {[%emt 0:10:32] Black has an edge.} dxe5 {[%emt 0:00:30]} 9. Rd1 {[%emt 0:00:07]} Qe7 {[%emt 0:00:17]} 10. a3 {[%emt 0:01:05]} Bxc3+ {[%emt 0:00:07]} 11. Qxc3 {[%emt 0:00:07] [#]} h6 $146 {[%emt 0:00:41]} ({Predecessor:} 11... Bg4 12. h3 Bh5 13. g4 Bg6 14. Bd3 Qe6 15. Qc2 Rad8 16. O-O h6 17. Bh4 Rd7 {0-1 (27) Timofeev,A (2574)-Fedoseev,V (2704) Chess.com INT 2022}) 12. Bxf6 {[%emt 0:00:27]} Qxf6 {[%emt 0:00:04]} 13. Be2 {[%emt 0:00:06]} Bg4 {[%emt 0:01:15]} 14. O-O {[%emt 0:02:56]} Bxf3 {[%emt 0:00:30]} 15. Bxf3 {[%emt 0:01:02]} Nd4 {[%emt 0:00:07]} 16. Rd3 {[%emt 0:01:26]} a5 {[%emt 0:06:24]} 17. g3 {[%emt 0:00:22]} Ra6 {[%emt 0:00:32] &Nero is more active.} 18. Bg2 $2 {[%emt 0:00:31][%mdl 8192] [#]} (18. Re3 $17) 18... Ne2+ {[%emt 1:19:32] White did not feel at home in the position after the opening.  Weighted Error Value: White=0.81/Black=0.11 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.22"]
[White "Bayona Ordonez, Andres David"]
[Black "Flores Guerrero, Jesus Aldair"]
[Result "0-1"]
[ECO "E32"]
[BlackElo "2251"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,120,30,59,-32,-26,-13,-23,-20,-14,-71,-69,-87,-77,-78,-41,-62,-55,-46,-47,-68,-61,-77,-49,-95,-93,-77,-52,-87,-85,-84,-70,-75,-60,-61,-61,-63,-63,-63,-62,-64,-64,-53,-26,-20,-19,-20,0,-29,0,-20,-20,-58,-56,-59,-64,-347,-320,-318,-308,-234,-142,-545,-537,-547,-546,-526,-513,-572,-517,-567,-173,-521,-505,-1020,-1006,-1521,-1615,-1907,-1675,-2220,-2873,-1126,-991,-12839,-12839,-12839,-12838,-12841,-12836,-12843,-12843,-12844,-12844,-12845,-12845,-12848,-12848,-12850,-12849,-12850,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:01:06]} 2. c4 {[%emt 0:00:15]} e6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:01:20]} Bb4 {[%emt 0:00:08]} 4. Qc2 {[%emt 0:00:05]} b6 {[%emt 0:00:10]} 5. e4 {[%emt 0:02:12]} Bb7 {[%emt 0:00:54]} 6. d5 {[%emt 0:06:28] E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} (6. Bd3 $14) 6... Qe7 {[%emt 0:03:14] aiming for ...exd5.} 7. Nge2 {[%emt 0:01:43]} exd5 {[%emt 0:02:54]} 8. exd5 {[%emt 0:01:08] [#] Black has an edge.} c6 $146 {[%emt 0:01:17][%cal Rc6d5]} ({Predecessor:} 8... Ne4 9. Be3 O-O 10. O-O-O Nxc3 11. Nxc3 c6 12. dxc6 dxc6 13. Bd3 h6 14. Ne4 Na6 {1-0 (27) Sonnhalter,W-Kieffer,H Merzig 1996}) 9. dxc6 {[%emt 0:09:34]} (9. Bg5 $11) 9... Nxc6 $17 {[%emt 0:01:15][%cal Bb8c6,Bc6d4,Bd4e2][%mdl 32] And now ...d5 would win.} 10. Bg5 {[%emt 0:10:56]} Nd4 $1 {[%emt 0:03:12]} 11. Qd3 {[%emt 0:01:23]} Nxe2 {[%emt 0:00:07] &Nero is much more active.} (11... Bxc3+ $5 12. bxc3 Ne6 13. Bxf6 Qxf6 $17) 12. Bxe2 {[%emt 0:04:59]} Bxg2 {[%emt 0:03:21]} 13. Rg1 {[%emt 0:00:51]} Be4 {[%emt 0:00:07]} 14. Bxf6 {[%emt 0:01:43]} gxf6 {[%emt 0:00:35]} 15. Qe3 {[%emt 0:07:45]} Qe5 {[%emt 0:00:41]} 16. O-O-O {[%emt 0:05:51]} (16. Rg3 $15) 16... Bxc3 {[%emt 0:02:47]} 17. bxc3 {[%emt 0:01:04]} Bg6 {[%emt 0:05:44]} 18. Bg4 {[%emt 0:05:40]} Qxe3+ {[%emt 0:05:53]} 19. fxe3 {[%emt 0:00:18]} f5 {[%emt 0:00:16]} 20. Bf3 {[%emt 0:00:25]} O-O-O {[%emt 0:00:35]} 21. h4 {[%emt 0:03:46]} h5 $1 {[%emt 0:00:06]} 22. Rd4 {[%emt 0:02:01][%cal Oc4c5]} Rhe8 {[%emt 0:05:07]} 23. Kd2 {[%emt 0:01:17]} Re5 {[%emt 0:00:36]} 24. Rd5 {[%emt 0:01:37]} Re6 {[%emt 0:04:16]} 25. Rg5 {[%emt 0:03:10]} Rh8 {[%emt 0:02:26]} (25... Rde8 $5 {[%cal Re6e3]} 26. c5 Rxe3 27. Bxh5 Bxh5 28. Rxh5 Re2+ 29. Kd3 b5 30. Rdxf5 R8e3+ 31. Kd4 Re6 $15) 26. a4 {[%emt 0:02:18]} Kc7 {[%emt 0:00:07]} 27. a5 {[%emt 0:02:05]} Rc6 {[%emt 0:05:53]} 28. axb6+ {[%emt 0:00:33]} axb6 {[%emt 0:00:21]} (28... Rxb6 $5 {[%cal Rb6b2]} 29. Rb5 Ra6 $11) 29. Rd4 {[%emt 0:00:32]} Rc5 {[%emt 0:00:54]} 30. Kc1 {[%emt 0:07:43]} Ra5 {[%emt 0:02:58]} 31. Kb2 {[%emt 0:06:43]} d6 {[%emt 0:12:54]} 32. e4 $2 {[%emt 0:03:16][%mdl 8192] [#]} (32. Rd5 $15) 32... fxe4 $19 {[%emt 0:01:27]} 33. Rxa5 {[%emt 0:00:08]} bxa5 {[%emt 0:00:04]} 34. Bxe4 {[%emt 0:00:08]} Re8 {[%emt 0:00:27]} 35. Bxg6 {[%emt 0:01:39][%mdl 8192] This move loses the game for White.} (35. Bd5 $17 {is a better chance.}) 35... fxg6 $17 {[%emt 0:00:05][%mdl 4096] Endgame KR-KR} 36. Rf4 {[%emt 0:02:11]} Re2+ {[%emt 0:00:18]} 37. Ka3 {[%emt 0:00:16]} Rg2 {[%emt 0:02:44]} 38. Rf6 {[%emt 0:00:35]} Kd7 {[%emt 0:00:17]} 39. Ka4 {[%emt 0:00:49]} Ke7 $2 {[%emt 0:00:07]} (39... Rg4 40. Kxa5 Ke7) 40. Rf3 $2 {[%emt 0:00:33]} (40. Rf4 {nothing else works.}) 40... Rg4 $19 {[%emt 0:03:09][%csl LRc4,LRh4]} 41. Kxa5 {[%emt 0:00:16]} (41. Re3+ $142 Kd7 42. Kxa5) 41... Rxh4 {[%emt 0:00:11]} 42. Kb5 {[%emt 0:00:19]} Re4 {[%emt 0:01:55]} 43. Rh3 {[%emt 0:01:53]} h4 {[%emt 0:01:45]} 44. c5 {[%emt 0:00:31]} dxc5 {[%emt 0:00:06] [#] Threatens to win with ...g5.} 45. Kxc5 {[%emt 0:00:07]} g5 {[%emt 0:00:16] ...Re1 is the strong threat.} 46. Kd5 {[%emt 0:00:51]} Re1 {[%emt 0:00:18]} 47. c4 {[%emt 0:00:19]} Kf6 {[%emt 0:00:05]} 48. c5 {[%emt 0:00:30]} Kf5 {[%emt 0:01:13]} 49. c6 {[%emt 0:00:40]} Rd1+ {[%emt 0:00:53]} 50. Kc5 {[%emt 0:00:42]} Rc1+ {[%emt 0:00:11]} 51. Kd6 {[%emt 0:00:09]} Kg4 {[%emt 0:00:07]} 52. Rd3 {[%emt 0:00:27]} h3 {[%emt 0:00:08]} 53. Rd2 {[%emt 0:00:40]} Kh4 {[%emt 0:00:18]} 54. Ke5 {[%emt 0:01:20]} Rxc6 {[%emt 0:00:21]} 55. Kf5 {[%emt 0:00:44] Black mates.} Rc4 {[%emt 0:01:37]} 56. Rb2 {[%emt 0:01:30]} Rf4+ {[%emt 0:00:16]} 57. Kg6 {[%emt 0:01:17]} g4 {[%emt 0:00:17][%cal Bg5g4,Bg4g3,Bg3g2][%mdl 32]} 58. Rb3 {[%emt 0:00:40]} g3 {[%emt 0:00:12]} 59. Rb5 {[%emt 0:00:40]} Rg4+ {[%emt 0:00:41]} 60. Kh6 {[%emt 0:00:17]} g2 {[%emt 0:00:11] Weighted Error Value: White=0.86/Black=0.16 (very precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.23"]
[White "Rosales Campos, Paul"]
[Black "Garduno Huerta, Joshua Emiliano"]
[Result "1-0"]
[ECO "C49"]
[WhiteElo "2039"]
[BlackElo "1622"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,69,13,13,-16,32,31,116,123,126,17,8,1,-1,-29,-33,-64,-55,-77,-68,-77,-19,-31,-37,-28,-23,-32,-20,-22,-6,-21,-12,-31,-39,-47,-3,-8,0,0,0,0,0,-139,176,177,193,185,171,167,770,761,727,714,638,511,1141,529,29991,29992,29992,29993,29995,29996]} 1. e4 {[%emt 0:06:45]} e5 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:00:40]} Nc6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 4. Bb5 {[%emt 0:00:37]} Bb4 {[%emt 0:05:24]} 5. O-O {[%emt 0:00:58]} O-O {[%emt 0:01:05]} 6. d4 {[%emt 0:00:47] C49: Four Knights: 4 Bb5 Bb4.} d6 {[%emt 0:03:24]} (6... Bxc3 $11 {was preferrable.} 7. bxc3 Nxe4) 7. Bg5 $14 {[%emt 0:27:51] Black must now prevent Nd5.} exd4 {[%emt 0:20:18]} (7... Bxc3 $14 8. bxc3 h6 9. Bxf6 Qxf6) 8. Nd5 $16 {[%emt 0:04:28] White is better.} (8. Nxd4 $6 Nxd4 9. Qxd4 Bc5 $11) 8... Bc5 {[%emt 0:02:42] [#]} 9. Nh4 $146 {[%emt 0:08:12] &Bianco is more active.} ({White should try} 9. Bh4 $16) ({Predecessor:} 9. Qc1 Ne5 10. Nxf6+ gxf6 11. Bh6 c6 12. Bxf8 Qxf8 13. Be2 Qg7 14. Qf4 Nxf3+ 15. Qxf3 {1-0 (28) Admiraal,M (1944)-Straat,R (2202) Vlissingen 2008}) 9... Kh8 $11 {[%emt 0:05:39]} 10. Kh1 {[%emt 0:11:09]} Ne5 $1 {[%emt 0:02:50]} 11. Nxf6 {[%emt 0:05:32]} gxf6 {[%emt 0:00:47]} 12. Bh6 {[%emt 0:01:17]} Rg8 {[%emt 0:00:16][%cal Of6f5] aiming for ...f5!} 13. Nf5 {[%emt 0:05:41]} c6 {[%emt 0:05:13]} 14. Bd3 {[%emt 0:01:40]} Bxf5 {[%emt 0:02:09]} ({Better is} 14... d5 $17) 15. exf5 {[%emt 0:00:13]} d5 {[%emt 0:00:34]} 16. Qh5 {[%emt 0:01:59]} Bf8 {[%emt 0:01:04]} 17. Bd2 {[%emt 0:01:25]} Qb6 {[%emt 0:05:12]} 18. b3 {[%emt 0:01:54]} Re8 {[%emt 0:03:28]} 19. Be2 {[%emt 0:01:47]} Bb4 {[%emt 0:07:55]} 20. Bh6 {[%emt 0:01:47]} Qc5 {[%emt 0:01:09]} 21. Rad1 {[%emt 0:01:23][%cal Ba1d1,Bd1d4,Bd4h4][%mdl 32]} Qxc2 {[%emt 0:06:08]} 22. Rxd4 {[%emt 0:02:15]} Bf8 {[%emt 0:00:36] Strongly threatening ...Bxh6.} 23. Be3 $40 {[%emt 0:01:44][%mdl 128] Black needs to defend precisely. A strong pair of Bishops.} Rg7 {[%emt 0:09:55]} 24. Rh4 {[%emt 0:11:56]} Bc5 {[%emt 0:02:35]} (24... Qxa2 25. Bh6 Kg8 26. Bxg7 Bxg7 27. f4 $16 (27. Qxh7+ Kf8 $14)) 25. Rc1 {[%emt 0:00:00] [#]} (25. Bh6 $11 {keeps the balance.} Reg8 26. b4 (26. Rc1 $2 Rxg2 27. Bg7+ R8xg7 $19)) 25... Qxa2 $1 {[%emt 0:01:04][%mdl 8192] Loses the game.} 26. Bxc5 $18 {[%emt 0:00:00] Bf1 is the strong threat.} Ng6 {[%emt 0:08:34]} 27. fxg6 {[%emt 0:00:00]} fxg6 {[%emt 0:00:01]} 28. Qg4 {[%emt 0:00:33]} Rxe2 {[%emt 0:00:54]} (28... Qxe2 29. Qxe2 Rxe2) 29. Qc8+ {[%emt 0:00:57]} Rg8 {[%emt 0:00:01]} 30. Qxb7 {[%emt 0:00:39][%csl Gb7][%cal Rh4h7]} h5 {[%emt 0:01:18]} 31. Rg1 {[%emt 0:00:27]} Rge8 {[%emt 0:01:12]} (31... Qc2 $142 32. Qxc6 Qc3) 32. Qxc6 {[%emt 0:00:35]} (32. Qf7 $142 Qb1 {[#]} 33. Qxe8+ $3 {[%mdl 512]} (33. Rxb1 $2 {is a self mate.} Re1+ 34. Rxe1 Rxe1#) 33... Rxe8 34. Rxb1) 32... Re1 {[%emt 0:00:38] Hoping for ...Rxg1+.} 33. Qxf6+ {[%emt 0:00:07] White mates.} Kh7 {[%emt 0:00:02]} 34. Qf7+ {[%emt 0:00:39]} Kh8 {[%emt 0:00:01]} 35. Bd4+ {[%emt 0:00:06] Weighted Error Value: White=0.45/Black=0.57} 1-0

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.25"]
[White "Avila Fraire, Ameyalli"]
[Black "Guillen Cristobal, Sandra N"]
[Result "0-1"]
[ECO "B89"]
[WhiteElo "1955"]
[BlackElo "1933"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,127,35,29,30,33,38,-31,-23,-67,-60,-48,-79,-123,-76,-208,22,-53,-53,-76,-65,-77,-72,-64,-60,-64,-49,-121,-122,-124,-137,-124,-149,-132,-133,-128,-106,-98,-103,-100,-50,-68,-51,-98,-114,-168,-168,-236,-204,-434,-454,-461,-445,-717,-707,-664,-519,-519,-519,-519,-464,-519,-519,-512,-512,-515,-512,-510,-508,-547,-532,-673,-631,-638,-624,-934,-885,-1821,-1675,-900,-775,-816,-789,-1315,-1227,-1733,-1752,-1816,-1838,-5632,-1743,-1840,-1736,-1556,-1214,-2660,-3586,-2188,-1296,-5539,-3218,-3354,-2208,-29976,-29977,-29984,-29985,-29985,-29986,-29991]} 1. e4 {[%emt 0:04:15]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:07]} 3. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:25]} d6 {[%emt 0:00:18]} 6. Bc4 {[%emt 0:00:19]} a6 {[%emt 0:00:50]} 7. Bb3 {[%emt 0:00:34]} e6 {[%emt 0:00:41]} 8. Be3 {[%emt 0:00:55]} Be7 {[%emt 0:00:29]} 9. Qe2 {[%emt 0:00:31]} Bd7 {[%emt 0:00:30]} 10. O-O-O {[%emt 0:01:46]} Qc7 {[%emt 0:00:21]} 11. g4 {[%emt 0:03:43]} Nxd4 {[%emt 0:07:47] B89: Sicilian: Velimirovic Attack.} 12. Rxd4 {[%emt 0:01:06]} Bc6 {[%emt 0:01:27]} 13. f3 {[%emt 0:02:25]} (13. f4 $14) 13... b5 {[%emt 0:00:24] Black is slightly better.} 14. Rg1 {[%emt 0:01:07]} Nd7 {[%emt 0:01:28]} 15. g5 {[%emt 0:08:24]} Nc5 {[%emt 0:01:05]} 16. Kb1 {[%emt 0:04:04] [#]} Qb7 $146 {[%emt 0:02:28]} ({Black should play} 16... Rb8 {White must now prevent ...a5.} 17. Nd1 a5) ({Predecessor:} 16... O-O 17. f4 Rfb8 18. f5 b4 19. fxe6 fxe6 20. Nd1 Nxb3 21. cxb3 Bb5 22. Qd2 e5 23. Rxb4 {1-0 (29) Kelecevic,N (2387)-Schweizer,R (1957) Winterthur 2007}) 17. Rdd1 {[%emt 0:10:08]} (17. Qd1 $17 {is a better defense.}) 17... a5 $2 {[%emt 0:09:02] [#]} (17... b4 $19 18. Bxc5 dxc5) 18. Bxc5 {[%emt 0:02:59]} ({White should try} 18. Bd5 $1 $11) 18... dxc5 $15 {[%emt 0:00:11]} 19. a4 {[%emt 0:01:17]} bxa4 {[%emt 0:00:35]} 20. Bxa4 {[%emt 0:08:25]} Bxa4 {[%emt 0:00:53]} 21. Nxa4 {[%emt 0:00:05]} Qb4 {[%emt 0:00:14]} 22. b3 {[%emt 0:00:47]} Rb8 {[%emt 0:00:25]} 23. Nb2 {[%emt 0:03:41] [#]} ({Better is} 23. Ka2 $1 $15) 23... a4 $1 $17 {[%emt 0:00:24]} 24. Qc4 {[%emt 0:00:11]} axb3 {[%emt 0:02:06]} 25. Qxb4 {[%emt 0:00:50]} bxc2+ {[%emt 0:00:20]} ({And not} 25... cxb4 26. cxb3 g6 27. h4 $11) 26. Kxc2 {[%emt 0:00:05]} cxb4 {[%emt 0:00:20]} 27. Kb3 {[%emt 0:03:02]} O-O {[%emt 0:00:45]} 28. Rd7 {[%emt 0:02:58]} Bc5 {[%emt 0:00:19]} 29. Rgd1 {[%emt 0:04:17]} g6 {[%emt 0:00:53]} (29... Be3 $17 30. h4 g6) 30. Nc4 $1 $15 {[%emt 0:02:01]} Kg7 {[%emt 0:03:03]} 31. Ne5 {[%emt 0:03:12] Black continues to play with concentration.} (31. f4 $15) 31... Be3 $17 {[%emt 0:01:00]} 32. R7d3 {[%emt 0:00:12] [#]} (32. h4 $17 {was called for.}) 32... Ra8 $1 $19 {[%emt 0:04:19]} ({Don't do} 32... Bxg5 33. Nd7 $14) 33. Nd7 {[%emt 0:06:16]} (33. h4 $142) 33... Rfd8 {[%emt 0:01:06]} 34. Kxb4 $2 {[%emt 0:14:00]} (34. h4 {was necessary.}) 34... Bxg5 {[%emt 0:00:23]} 35. h3 {[%emt 0:01:05]} Ra2 {[%emt 0:02:31]} 36. Ne5 {[%emt 0:09:48]} (36. Kb3 $142 Rh2 37. Rb1) 36... Rb8+ {[%emt 0:05:22]} 37. Kc3 {[%emt 0:00:48]} Bf6 {[%emt 0:00:22]} 38. f4 {[%emt 0:00:05]} Bxe5+ {[%emt 0:01:22]} 39. fxe5 {[%emt 0:00:17][%mdl 4096] Endgame KRR-KRR} Re2 {[%emt 0:07:50]} 40. Rd7 {[%emt 0:01:05]} Rxe4 {[%emt 0:00:23]} 41. Rf1 {[%emt 0:00:12]} Rf8 {[%emt 0:00:11]} 42. Kd3 {[%emt 0:00:26]} Rxe5 {[%emt 0:00:13]} 43. Rf3 {[%emt 0:00:06]} Rf5 {[%emt 0:00:40]} 44. Re3 {[%emt 0:00:12]} Ra8 {[%emt 0:00:48]} 45. Rxe6 {[%emt 0:00:55]} Ra3+ {[%emt 0:00:15]} 46. Ke4 {[%emt 0:00:33]} Rxh3 {[%emt 0:00:40]} 47. Ree7 {[%emt 0:00:09]} Rh1 {[%emt 0:00:36] aiming for ...h5.} 48. Kd4 {[%emt 0:01:08]} h5 {[%emt 0:00:36]} 49. Ra7 {[%emt 0:00:21]} Rd1+ {[%emt 0:01:34]} 50. Kc3 {[%emt 0:02:52]} h4 {[%emt 0:00:42][%cal Bh5h4,Bh4h3][%mdl 32] Threatens to win with ...h3.} 51. Re4 {[%emt 0:00:28]} g5 {[%emt 0:00:31][%cal Bg6g5,Bg5g4][%mdl 32] And now ...h3 would win.} 52. Raa4 {[%emt 0:00:49]} h3 {[%emt 0:01:46] ( -> ...h2)} 53. Re2 {[%emt 0:00:43]} Rg1 {[%emt 0:00:40]} 54. Rh2 {[%emt 0:00:20]} g4 {[%emt 0:00:44]} 55. Re4 {[%emt 0:00:29]} Rf3+ {[%emt 0:00:32]} 56. Kd4 {[%emt 0:00:06]} f5 {[%emt 0:01:14]} 57. Re7+ {[%emt 0:00:23]} Kf6 {[%emt 0:00:18]} 58. Rh7 {[%emt 0:00:05]} Re1 {[%emt 0:01:29]} 59. Rh6+ {[%emt 0:01:09]} Kg5 {[%emt 0:00:14]} 60. Rh8 {[%emt 0:00:25]} Kf4 {[%emt 0:00:30]} 61. Ra8 {[%emt 0:00:05]} Kg3 {[%emt 0:01:15] Black mates.} 62. Raa2 {[%emt 0:00:09]} Ref1 {[%emt 0:00:17]} 63. Ke5 {[%emt 0:00:44]} R3f2 {[%emt 0:00:30]} 64. Ra1 {Weighted Error Value: White=0.58/Black=0.21 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.26"]
[White "Real Pereyra, Diana Carime"]
[Black "Guerrero Rodriguez, Alejandra"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2049"]
[BlackElo "2019"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,132,-1,-10,-15,-20,0,0,0,0,0,0,0,0,0,0,16,-18,-31,-19,12,0,0,0,0,0,-5,-5,0,0,21,28,22,10,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-10,-6,-4,-10,-45,-39,-63,-46,-91,-80,-107,-61,-67,-60,-61,-60,-61,-72,-150,-143,-157,-145,-158,0,-158,-104,-309,-308,-376,-351,-285,-270,-605,-211,-631,-241,-610,-595,-1147,-1067,-1829,-1558,-29957,-29962,-29968,-29970,-10237,-9707,-29973,-29974,-29977,-29978,-29979,-29980,-29986,-29987,-29989,-29985,-29985,-29981,-29985,-29984,-29983,-29984,-29984,-29983,-29983,-29984]} 1. e4 {[%emt 0:00:07]} c5 {[%emt 0:00:22]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:00:35]} 3. d4 {[%emt 0:00:24]} cxd4 {[%emt 0:00:37]} 4. Nxd4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:08]} g6 {[%emt 0:01:25]} 6. Bc4 {[%emt 0:01:12]} Bg7 {[%emt 0:00:08]} 7. h3 {[%emt 0:00:42]} O-O {[%emt 0:01:32]} 8. O-O {[%emt 0:00:07] has lost popularity (8.Bb3).} Nc6 {[%emt 0:00:50]} 9. Nf3 {[%emt 0:00:16] 9.Re1 is becoming the main line.} Na5 {[%emt 0:01:47] B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} 10. Bb3 {[%emt 0:00:47]} Nxb3 {[%emt 0:01:33]} (10... b5 {is interesting.} 11. e5 dxe5 12. Nxe5 Ba6) 11. axb3 {[%emt 0:00:05]} b6 {[%emt 0:02:03] [#] The position is equal.} 12. Qe2 $146 {[%emt 0:05:20]} ({Predecessor:} 12. Re1 Bb7 13. Nd5 Nxd5 14. exd5 Qd7 15. c4 a6 16. Nd4 Rae8 17. Be3 e6 18. dxe6 fxe6 {½-½ (67) Needleman,A (2420)-Alonso,S (2444) Buenos Aires 2004}) 12... Bb7 {[%emt 0:04:14]} 13. Rd1 {[%emt 0:00:13]} Qc7 {[%emt 0:02:39]} 14. Nd5 {[%emt 0:08:24]} Nxd5 {[%emt 0:02:27]} 15. exd5 {[%emt 0:00:07]} Rfe8 {[%emt 0:00:07]} 16. Qd3 {[%emt 0:05:06]} e6 {[%emt 0:04:56]} 17. dxe6 {[%emt 0:03:04]} Rxe6 {[%emt 0:00:08]} (17... fxe6 $5 {[%cal Rd6d5]} 18. c3 d5 $15) 18. c3 {[%emt 0:01:07]} (18. Nd4 {feels hotter.} Bxd4 19. Qxd4 Qc6 20. f3) 18... Be4 {[%emt 0:01:05] A strong pair of Bishops.} 19. Qc4 {[%emt 0:07:49]} Qxc4 {[%emt 0:07:41]} 20. bxc4 {[%emt 0:00:08]} Bc2 {[%emt 0:00:33]} 21. Rd5 {[%emt 0:01:52]} Be4 {[%emt 0:03:29]} 22. Rd1 {[%emt 0:00:20]} Bxf3 {[%emt 0:00:08]} (22... Bc2 $5 {[%cal Rc2d1]} 23. Rd5 Be4 $11) 23. gxf3 {[%emt 0:00:01]} Rae8 {[%emt 0:05:56]} 24. Be3 {[%emt 0:08:49]} R8e7 {[%emt 0:02:36]} 25. Ra2 {[%emt 0:06:19] Strongly threatening Rda1.} Rc7 {[%emt 0:01:17]} 26. Rd3 {[%emt 0:01:50]} f5 {[%emt 0:01:58]} 27. b3 {[%emt 0:10:20]} Be5 {[%emt 0:02:15]} 28. Rad2 {[%emt 0:05:31]} g5 {[%emt 0:04:29]} 29. Kf1 {[%emt 0:05:40]} h6 {[%emt 0:04:19]} (29... f4 $5 30. Bd4 Kf7 $11) 30. Rd1 {[%emt 0:04:42]} Kf7 {[%emt 0:00:34]} 31. Bd4 {[%emt 0:05:15]} Bxd4 {[%emt 0:03:55]} 32. Rxd4 $11 {[%emt 0:00:58][%mdl 4096] Endgame KRR-KRR} Ke7 {[%emt 0:00:08]} 33. Rd5 {[%emt 0:00:53]} Rc5 {[%emt 0:00:07]} 34. Ra1 {[%emt 0:03:01]} a5 {[%emt 0:00:26]} 35. Rad1 {[%emt 0:01:36]} Rxd5 {[%emt 0:02:55]} 36. Rxd5 $15 {[%emt 0:00:29] KR-KR} Re5 $1 {[%emt 0:00:40] ...Rxd5 is the strong threat.} 37. Rd3 {[%emt 0:07:02]} Ke6 {[%emt 0:02:08]} 38. Rd1 {[%emt 0:03:04]} b5 {[%emt 0:03:33]} (38... Rc5 $17 {[%cal Oa5a4]} 39. Ra1 d5 40. cxd5+ Kxd5 41. Rd1+ Kc6) 39. cxb5 {[%emt 0:01:18]} Rxb5 {[%emt 0:00:02]} 40. Re1+ {[%emt 0:01:33]} Kf6 {[%emt 0:00:15]} 41. Rb1 {[%emt 0:00:09]} Ke5 {[%emt 0:04:12]} 42. Kg2 {[%emt 0:03:08]} (42. c4 $142 Rb6 43. Kg2) 42... d5 $1 $17 {[%emt 0:00:46]} 43. Kf1 {[%emt 0:00:33]} Kf4 {[%emt 0:04:20]} 44. Kg2 {[%emt 0:00:47]} Ke5 {[%emt 0:02:43]} ({Not} 44... a4 45. b4 $17) 45. Kf1 $1 {[%emt 0:00:11] [#]} d4 (45... Rc5 $142 $1 {[%cal Rc5c3]} 46. Rc1 Rb5 47. Rb1) 46. c4 {[%emt 0:00:30] [#] This costs White the game.} (46. Re1+ $17 Kf4 47. cxd4) 46... Rb4 $1 $19 {Hoping for ...d3.} 47. Ra1 {[%emt 0:00:30]} Rxb3 48. Rxa5+ {[%emt 0:00:30]} Kf4 49. Ke2 {[%emt 0:00:30]} (49. Rd5) 49... Rc3 $2 (49... Rxf3 50. Rd5 Ke4) 50. Rc5 $2 {[%emt 0:00:30]} (50. c5) 50... h5 $2 (50... Rxf3 51. Rd5 Ke4) 51. Rc8 $2 {[%emt 0:00:30]} (51. Rd5 Rxc4 52. Kf1) 51... Rxf3 52. c5 {[%emt 0:00:30]} Rxh3 53. c6 {[%emt 0:00:30]} Rc3 54. c7 {[%emt 0:00:30]} h4 {[%cal Bh5h4,Bh4h3][%mdl 32]} 55. Rd8 {[%emt 0:00:30]} Rxc7 56. Rxd4+ {[%emt 0:00:30]} Ke5 57. Rd1 {[%emt 0:00:30]} g4 {Black mates.} 58. Rd8 {[%emt 0:00:30]} h3 59. Rh8 {[%emt 0:00:30]} Rc2+ 60. Kf1 {[%emt 0:00:30]} Kf4 61. Kg1 {[%emt 0:00:30]} Kf3 62. Ra8 {[%emt 0:00:30]} h2+ 63. Kxh2 {[%emt 0:00:30]} g3+ 64. Kh3 {[%emt 0:00:30]} gxf2 65. Ra1 {[%emt 0:00:30]} Ke2 66. Kg2 {[%emt 0:00:30]} f4 {Weighted Error Value: White=0.80/Black=0.24 (precise)} 0-1

[Event "67th Mexican-ch Open 2022"]
[Site "Chihuahua"]
[Date "2022.04.17"]
[Round "8.27"]
[White "Corrales Jimenez, Zenia"]
[Black "Ortega Beltran, Ximena"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2151"]
[BlackElo "1725"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.04.12"]
[EventType "swiss"]
[EventCountry "MEX"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,72,11,52,48,52,41,61,48,57,69,60,63,51,52,55,50,50,50,96,94,96,86,136,102,203,108,105,81,75,8,9,11,29,-7,-29,-8,22,0,39,19,21,22,26,23,21,16,40,0,8,0,0,0,0,-14,0,0,0,-4,0,0,41]} 1. e4 {[%emt 0:01:07]} c5 {[%emt 0:00:29]} 2. Nf3 {[%emt 0:00:22]} g6 {[%emt 0:00:33]} 3. d4 {[%emt 0:00:26]} cxd4 {[%emt 0:00:30]} 4. Nxd4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:45]} 5. Nc3 {[%emt 0:01:41]} Nc6 {[%emt 0:00:12]} 6. Be3 {[%emt 0:01:09]} Bg7 {[%emt 0:00:13]} 7. Bc4 {[%emt 0:00:42]} Ng4 {[%emt 0:13:28]} 8. Qxg4 {[%emt 0:06:45] B35: Sicilian: Accelerated Dragon with 5 Nc3: main line.} Nxd4 {[%emt 0:09:21]} 9. Qd1 {[%emt 0:00:31]} Nc6 {[%emt 0:04:12]} 10. Qd2 {[%emt 0:04:30] 0x0.00299f40aea5dp-1022s more active pieces. The black rooks are badly placed. White is slightly better.} O-O {[%emt 0:05:19]} 11. h4 $40 {[%emt 0:12:05][%mdl 128] White has some attack.} h5 {[%emt 0:00:30]} 12. Bh6 {[%emt 0:05:06] [#]} Qb6 $146 {[%emt 0:03:49]} ({Predecessor:} 12... d6 13. f3 Ne5 14. Bb3 Bd7 15. O-O-O b5 16. Bxg7 Kxg7 17. f4 Ng4 18. e5 Bc6 19. exd6 Qxd6 20. Qxd6 exd6 21. Rxd6 Bxg2 {0-1 (84) Della Morte,P (2147)-Alvarez Castillo,H (2175) Ezeiza 2000}) 13. Bxg7 {[%emt 0:02:29]} Kxg7 {[%emt 0:00:26]} 14. O-O-O {[%emt 0:00:23][%cal Og2g4] Threatens to win with g4!} d6 $1 {[%emt 0:03:47]} 15. f4 {[%emt 0:05:47][%cal Of4f5]} Qc5 {[%emt 0:14:12] Against f5} (15... Bg4 $14) 16. Be2 $16 {[%emt 0:04:57][%cal Of4f5]} f5 {[%emt 0:05:02]} 17. g3 {[%emt 0:16:57]} a6 {[%emt 0:18:22]} (17... fxe4 $142 18. Nxe4 Qb6) 18. Bf3 {[%emt 0:06:44]} b5 {[%emt 0:04:55] [#]} (18... e5 $16 {was worth a try.}) 19. exf5 {[%emt 0:07:11]} (19. Rhe1 $1 $18) 19... Bxf5 {[%emt 0:02:22]} 20. Ne4 {[%emt 0:00:06]} Qc4 {[%emt 0:03:59]} 21. Qc3+ {[%emt 0:06:54]} (21. Ng5 $16) 21... Qxc3 $11 {[%emt 0:00:06]} 22. Nxc3 {[%emt 0:00:01]} Rac8 {[%emt 0:00:04]} 23. Be4 {[%emt 0:01:28]} b4 {[%emt 0:02:19]} 24. Bxf5 {[%emt 0:00:05]} Rxf5 {[%emt 0:00:02]} 25. Ne4 {[%emt 0:00:45]} Na5 {[%emt 0:03:54]} 26. Kb1 {[%emt 0:03:26]} (26. Ng5 {seems wilder.} Rb5 27. Rhe1 Nc6 28. Re4) 26... Nb7 {[%emt 0:00:05]} 27. Rhe1 {[%emt 0:00:13]} Rc7 {[%emt 0:00:18]} 28. Re2 {[%emt 0:01:19]} Nc5 {[%emt 0:00:24]} 29. Ng5 {[%emt 0:00:19]} Kf6 {[%emt 0:00:55]} 30. Rde1 {[%emt 0:00:52]} e5 {[%emt 0:01:11] The position is equal.} 31. Rd2 {[%emt 0:02:54]} Rc6 32. Rf2 {[%emt 0:00:30]} exf4 33. gxf4 {[%emt 0:00:30]} d5 34. Re8 {[%emt 0:00:30]} Ne6 {[%cal Re6g5]} 35. Kc1 {[%emt 0:00:30]} Nc5 {[#] Hoping for ...Nd3+.} 36. Kd2 {[%emt 0:00:30] Prevents Nd3.} Kg7 {Weighted Error Value: White=0.16 (very precise) /Black=0.12 (very precise)} 1/2-1/2

