[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "2.1"]
[White "Gazola, Vanessa Ramos"]
[Black "Mekhitarian, Krikor Sevag"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2004"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,60,27,40,41,68,63,69,56,81,61,75,68,80,85,88,72,56,-24,0,-238,-246,-401,-397,-490,-464,-589,-586,-566,-593,-632,-610,-606,-601,-648,-637,-905,-722,-1126,-1021]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:21]} 2. c4 {[%emt 0:00:16]} e6 {[%emt 0:02:17]} 3. Nf3 {[%emt 0:00:29]} b6 {[%emt 0:00:41]} 4. a3 {[%emt 0:00:37]} Ba6 {[%emt 0:00:34]} 5. Qc2 {[%emt 0:01:31]} c5 {[%emt 0:00:37]} 6. d5 {[%emt 0:04:42]} exd5 {[%emt 0:00:02]} 7. cxd5 {[%emt 0:00:08]} g6 {[%emt 0:00:02]} 8. Nc3 {[%emt 0:00:13]} Bg7 {[%emt 0:00:02]} 9. g3 {[%emt 0:00:48]} O-O {[%emt 0:00:53]} 10. Bg2 {[%emt 0:00:26]} Re8 {[%emt 0:07:17]} 11. O-O {[%emt 0:01:24]} d6 {[%emt 0:04:43]} 12. Re1 {[%emt 0:09:06]} Nbd7 {[%emt 0:10:53]} 13. Bf4 {[%emt 0:05:24] E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} Bf8 $5 {[%emt 0:01:11][%mdl 4] A promising side line.} 14. h3 {[%emt 0:01:04]} Nh5 {[%emt 0:06:28]} 15. Bg5 {[%emt 0:02:24] [#] White is slightly better.} Be7 $146 {[%emt 0:00:30]} ({Predecessor:} 15... f6 16. Bd2 Ne5 17. g4 Ng7 18. Nxe5 fxe5 19. Qa4 Bc8 20. f4 Bd7 21. Qc2 Rc8 22. Rf1 b5 23. Ne4 h5 24. fxe5 {1-0 (24) Susla,V (2294)-Palma Espinosa,H (2050) LSS email 2015}) 16. Bd2 {[%emt 0:04:56]} b5 {[%emt 0:11:53]} 17. g4 {[%emt 0:11:17]} Ng7 {[%emt 0:12:30]} 18. Bf4 {[%emt 0:03:39]} h5 {[%emt 0:00:59]} 19. Ne4 {[%emt 0:07:32]} Nb6 {[%emt 0:05:01]} 20. Red1 {[%emt 0:03:39]} (20. Bh6 $1 $14) 20... Bb7 $11 {[%emt 0:08:09]} 21. Nxc5 $2 {[%emt 0:09:46]} dxc5 $19 {[%emt 0:00:28]} 22. d6 $2 {[%emt 0:00:07]} (22. e4) 22... Bf6 {[%emt 0:04:49][%cal Be7f6,Bf6g7,Bg7e5,Be5d4][%mdl 32]} 23. g5 {[%emt 0:03:31] [#]} Ne6 $1 {[%emt 0:00:21][%csl LRf4,LRg5] Black is clearly winning.} 24. Be3 {[%emt 0:00:08]} (24. Bg3 Bg7) 24... Bg7 {[%emt 0:04:04]} 25. d7 {[%emt 0:02:12]} Nxd7 {[%emt 0:02:53]} 26. Ne5 {[%emt 0:00:13]} Bxe5 {[%emt 0:00:20]} 27. Bxb7 {[%emt 0:00:08]} Rb8 {[%emt 0:00:28]} 28. Bc6 {[%emt 0:00:23]} Bd4 {[%emt 0:00:52] [#] Hoping for ...Bxe3.} 29. Bd2 {[%emt 0:02:21]} Qc7 {[%emt 0:05:34]} 30. Be4 {[%emt 0:01:13]} Qg3+ {[%emt 0:10:38] Weighted Error Value: White=0.90/Black=0.17 (very precise)} 0-1

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "2.2"]
[White "Di Berardino, Diego Rafael"]
[Black "Marcolino, Antonio Claudio H."]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2490"]
[BlackElo "2002"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,75,6,12,44,43,89,89,81,69,103,72,74,60,73,71,79,58,79,75,78,66,66,66,82,55,55,51,55,69,208,211,225,231,335,338,337,331,440,454,442,442,540,510,547,556,5189,5084,5073,4971,4694,2586,29973,29970,29975,29976,29978,29977,29987,29988,29995,29996]} 1. e4 {[%emt 1:31:00]} c6 {[%emt 0:00:41]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:48]} 3. exd5 {[%emt 0:00:00]} cxd5 {[%emt 0:00:35]} 4. c4 {[%emt 0:01:30]} Nf6 {[%emt 0:01:11]} 5. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:02:01]} 6. Bg5 {[%emt 0:00:00]} e6 {[%emt 0:03:36]} 7. Nf3 {[%emt 0:01:30]} Be7 {[%emt 0:00:51]} 8. c5 {[%emt 0:00:00]} O-O {[%emt 1:24:47]} 9. Bb5 {[%emt 0:01:00]} Qc7 {[%emt 0:00:00] B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} 10. O-O {[%emt 0:00:00]} Re8 {[%emt 0:00:00]} (10... h6 $14 {should be considered.} 11. Bh4 Bd7) 11. Re1 $16 {[%emt 0:00:00]} Bd7 {[%emt 0:00:00] White is better.} 12. Rc1 {[%emt 0:00:00] [#]} Rac8 $146 {[%emt 0:00:00]} ({Predecessor:} 12... a6 13. Ba4 b5 14. Bc2 Reb8 15. Ne5 Qd8 16. Bxf6 Bxf6 17. Bxh7+ Kf8 18. Nxf7 Kxf7 {0-1 (48) Padilla,H (2194)-Principe,G Callao 2007}) 13. Qd2 {[%emt 0:00:00]} Qd8 {[%emt 0:00:00]} 14. h3 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 15. Bf4 {[%emt 0:00:00]} Bf8 {[%emt 0:00:00]} 16. Bd3 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 17. Ba6 {[%emt 0:00:00] 0x0.00249b13221edp-1022s more active pieces.} bxc5 {[%emt 0:00:00]} 18. Bxc8 {[%emt 0:00:00]} (18. dxc5 {looks sharper.} Bxc5 19. Bxc8 Bxc8 20. a3) 18... Bxc8 {[%emt 0:00:00]} 19. dxc5 {[%emt 0:00:00]} Bxc5 {[%emt 0:00:00]} 20. Nxd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:00]} 21. Qxd5 {[%emt 0:00:00][%mdl 64] [#] Remove Defender} Nxd5 {[%emt 0:00:00]} 22. Rxc5 {[%emt 0:00:00]} Nxf4 {[%emt 0:00:00] This costs Black the game.} ({Black should try} 22... Ncb4 $1 $14) 23. Rxc6 $18 {[%emt 0:00:00] Black must now prevent Rc7.} Bb7 {[%emt 0:00:00]} 24. Rc4 {[%emt 0:00:00]} Nxh3+ {[%emt 0:00:31]} (24... g5 $142 25. Re3 Bd5) 25. gxh3 {[%emt 0:00:00]} Bxf3 {[%emt 0:00:26][%mdl 4096] Endgame KRR-KRB} 26. Rec1 {[%emt 0:00:00]} Be2 {[%emt 0:02:26]} 27. Rc8 {[%emt 0:00:00]} Kf8 {[%emt 0:00:40]} 28. a4 {[%emt 0:00:00]} a6 {[%emt 0:00:54]} 29. b4 {[%emt 0:00:00]} g6 {[%emt 0:00:24]} 30. f4 {[%emt 0:00:00] [#] And now Rxe8+ would win.} g5 {[%emt 0:00:59]} 31. Kf2 {[%emt 0:00:00]} Bd3 {[%emt 0:00:16]} 32. Ke3 {[%emt 0:00:00]} Bf5 {[%emt 0:00:29]} 33. b5 {[%emt 0:01:16]} axb5 {[%emt 0:01:59]} 34. axb5 {[%emt 0:00:04] White mates.} gxf4+ {[%emt 0:00:22]} 35. Kxf4 {[%emt 0:00:13]} Bxh3 {[%emt 0:00:28]} 36. Ke5 {[%emt 0:01:23]} Bg2 {[%emt 0:00:36]} 37. Kf6 {[%emt 0:01:07]} h5 {[%emt 0:01:00]} 38. R1c7 {[%emt 0:10:27] Weighted Error Value: White=0.04 (flawless) /Black=0.42} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "2.3"]
[White "Ferreira, Marcone Fiuza"]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1995"]
[BlackElo "2435"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,100,1,23,31,43,24,41,16,34,37,46,48,56,42,47,46,50,50,56,49,49,47,61,62,58,52,76,72,76,55,54,41,90,79,87,33,78,19,94,95,84,93,93,59,78,50,61,34,54,26,15,14,36,0,0,0,9,-32,-13,-10,0,-37,-20,-8,113,122,130,54,67,94,174,180,227,31,312,275,280,0,0,0,23,0,0,-1166,-1088,-29985,-29984,-29992,-1246,-29998,0]} 1. e4 {[%emt 0:00:08]} e6 {[%emt 0:00:13]} 2. c4 {[%emt 0:00:08]} c5 {[%emt 0:00:32]} 3. Nc3 {[%emt 0:00:40]} Nc6 {[%emt 0:00:06]} 4. Nf3 {[%emt 0:00:26]} a6 {[%emt 0:00:14]} 5. Be2 {[%emt 0:00:17]} Qc7 {[%emt 0:01:07]} 6. O-O {[%emt 0:00:19]} Nf6 {[%emt 0:00:05]} 7. h3 {[%emt 0:00:33] [#] A34: Symmetrical English: 2 Nc3, lines with ...d5.} Rb8 $146 {[%emt 0:01:53]} ({Predecessor:} 7... b6 8. d3 Bb7 9. Be3 Be7 10. Rc1 O-O 11. a3 Rfd8 12. d4 cxd4 13. Nxd4 Nxd4 14. Qxd4 Bc5 15. Qd3 Bxe3 16. Qxe3 {½-½ (16) Marciano,D (2522)-Degraeve,J (2540) Vichy 2000}) 8. Re1 {[%emt 0:01:44]} Be7 {[%emt 0:02:11]} 9. Bf1 {[%emt 0:03:41] White is slightly better.} d6 {[%emt 0:01:11] Prevents e5.} 10. d4 {[%emt 0:00:35]} cxd4 {[%emt 0:00:05]} 11. Nxd4 {[%emt 0:00:14]} Ne5 {[%emt 0:02:32]} 12. Qe2 {[%emt 0:01:31]} O-O {[%emt 0:00:42]} 13. Be3 {[%emt 0:00:42]} b6 {[%emt 0:00:09]} 14. Rac1 {[%emt 0:09:26]} Re8 {[%emt 0:00:08]} 15. f3 {[%emt 0:02:53]} Bb7 {[%emt 0:00:24]} 16. b3 {[%emt 0:02:17]} Kh8 {[%emt 0:00:41]} 17. Qf2 {[%emt 0:00:16]} Ned7 {[%emt 0:00:41]} 18. Red1 {[%emt 0:02:25][%cal Oc3d5]} Rg8 {[%emt 0:00:17]} 19. Nde2 {[%emt 0:05:22]} g5 {[%emt 0:01:25]} 20. g4 {[%emt 0:00:53]} h5 {[%emt 0:01:39]} 21. Ng3 {[%emt 0:04:59]} hxg4 {[%emt 0:01:42]} (21... Rg7 $14 {should be considered.}) 22. hxg4 $16 {[%emt 0:04:16]} Rg7 {[%emt 0:00:11]} 23. Bd4 {[%emt 0:00:57]} (23. Kg2 $16) 23... Qd8 {[%emt 0:00:11]} 24. Bg2 {[%emt 0:11:11]} (24. Kg2 $16) 24... Qf8 {[%emt 0:00:57]} (24... Kg8 $11 {keeps the balance.}) 25. Na4 $1 {[%emt 0:01:14]} b5 {[%emt 0:01:57]} 26. cxb5 {[%emt 0:06:28]} axb5 {[%emt 0:00:05]} 27. Nb2 {[%emt 0:01:28]} Rh7 {[%emt 0:00:28]} 28. Rc7 {[%emt 0:01:01] Rxd7 is the strong threat.} Qd8 {[%emt 0:05:31]} 29. Rdc1 {[%emt 0:04:32] Hoping for Qd2.} Kg8 {[%emt 0:03:54]} (29... Nc5 $2 30. Rxe7 $1 {[%mdl 512]} Qxe7 31. e5 $18) 30. Qd2 {[%emt 0:01:41]} Ne8 {[%emt 0:00:06]} 31. R7c2 {[%emt 0:01:31]} Nf8 {[%emt 0:10:21]} 32. Nh5 {[%emt 0:02:09]} e5 {[%emt 0:01:12]} 33. Be3 {[%emt 0:01:07]} Ne6 {[%emt 0:01:02]} 34. Qf2 {[%emt 0:03:58]} N8g7 {[%emt 0:02:02]} 35. Nxg7 {[%emt 0:02:54]} Kxg7 {[%emt 0:00:23]} 36. Bb6 {[%emt 0:00:44]} Qh8 {[%emt 0:00:38]} 37. Nd3 {[%emt 0:00:14]} Nf4 {[%emt 0:01:46]} (37... Bd8 $11 {remains equal.}) 38. Nxf4 {[%emt 0:00:05]} gxf4 {[%emt 0:00:07] [#]} 39. Ba7 {[%emt 0:00:31]} ({Better is} 39. Bc7 $1 $16 {Strongly threatening Qa7.} Re8 40. Rd1 (40. Qb6 Bc8 $16)) 39... Re8 {[%emt 0:02:46][%cal Bb8e8,Be8e6,Be6h6][%mdl 32]} 40. Qb6 {[%emt 0:02:51][%csl LRb5,LRb7]} Ba8 {[%emt 0:00:16]} (40... Bc8 $16 41. Qxb5 Be6) 41. Qxb5 $18 {[%emt 0:00:37]} Bh4 {[%emt 0:02:55]} (41... Qf8 $142 42. a4 Rh8) 42. Qd7 $2 {[%emt 0:01:44]} (42. a4 $18) 42... Bg3 $2 {[%emt 0:00:15][%mdl 8192]} ({Black should play} 42... Rd8 $1 $14 43. Qb5 Rh6) 43. Kf1 {[%emt 0:08:33] Threatens to win with Rc7.} ({Don't take} 43. Qxd6 $6 Bb7 $18) (43. Rc7 $6 Rh1+ 44. Bxh1 Qh2+ 45. Kf1 Qxh1+ 46. Ke2 Qg2+ 47. Kd3 Qxf3+ 48. Kd2 Rf8 $18) 43... Re6 {[%emt 0:13:05][%cal Oa8e4]} 44. Rc8 $2 {[%emt 0:01:38]} ({White should try} 44. Rc7 $18 Qe8 45. a4) 44... Rh1+ $1 $11 {[%emt 0:00:06]} 45. Bxh1 {[%emt 0:06:42]} Qxh1+ {[%emt 0:00:38]} 46. Ke2 {[%emt 0:00:10]} Qg2+ {[%emt 0:00:55]} 47. Kd1 $4 {[%emt 0:00:53][%mdl 8192] [#]} (47. Kd3 $11 Qxf3+ 48. Kc4 Bxe4 49. Qd8) 47... Rh6 $1 $19 {[%emt 0:02:55] ( -> ...Rh1+)} 48. Rg8+ {[%emt 0:01:49]} (48. Qxf7+ Kxf7) 48... Kxg8 {[%emt 0:00:06]} 49. Qd8+ {[%emt 0:00:21]} Kg7 {[%emt 0:42:15]} (49... Kh7 $142 50. Bg1 Qxg1+ 51. Kc2 Rh2+ 52. Kb1 Qf2 53. Qg8+ Kxg8 54. Rc8+ Kh7 55. Rh8+ Kxh8 56. g5 Rh1#) 50. Qd7 {[%emt 0:04:42]} Kg8 $2 {[%emt 0:00:30][%mdl 32768] Weighted Error Value: White=0.64/Black=0.42. Sensor Board Error (Ke4/e5)?} (50... Rh1+ {mates} 51. Bg1 Rxg1#) 0-1

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "2.4"]
[White "Hoffman, Alejandro"]
[Black "Ramos, Angelo Bil"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2389"]
[BlackElo "1972"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,55,28,22,35,28,26,20,48,40,31,33,41,36,38,33,37,45,30,45,36,43,49,52,64,57,125,113,151,133,273,223,327,310,415,377,590,570]} 1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:01:20]} 2. c4 {[%emt 0:00:09]} e6 {[%emt 0:00:21]} 3. Nc3 {[%emt 0:01:33]} d5 {[%emt 0:00:39]} 4. cxd5 {[%emt 0:00:37]} exd5 {[%emt 0:00:12]} 5. Bg5 {[%emt 0:00:08]} Be7 {[%emt 0:02:17]} 6. e3 {[%emt 0:00:12]} c6 {[%emt 0:00:17]} 7. Qc2 {[%emt 0:01:11]} Nbd7 {[%emt 0:02:09]} 8. Bd3 {[%emt 0:00:12]} Nh5 {[%emt 0:04:52]} 9. Bxe7 {[%emt 0:00:11]} Qxe7 {[%emt 0:00:09]} 10. Nge2 {[%emt 0:00:24][%cal Bg1e2,Be2c1,Bc1b3][%mdl 32]} Nb6 {[%emt 0:05:07] is now more promising than 10...g6.} 11. O-O {[%emt 0:02:57][%cal Ob2b4]} Nf6 {[%emt 0:10:31] D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 12. Rae1 {[%emt 0:02:03]} O-O {[%emt 0:06:13]} 13. Nc1 {[%emt 0:02:43] [#]} Qd6 $146 {[%emt 0:04:32] The position is equal.} ({Predecessor:} 13... Be6 14. f3 Rad8 15. Nb3 Nc8 16. Nc5 Rfe8 17. b4 b6 18. Nxe6 fxe6 19. a3 Nd6 {½-½ (48) Potkin,V (2583)-Kim,A (2464) Moscow 2019}) 14. f3 {[%emt 0:02:41]} Bd7 {[%emt 0:07:36]} 15. Nb3 {[%emt 1:22:54]} Rae8 {[%emt 0:04:51]} 16. Nd1 {[%emt 0:00:30]} Bc8 {[%emt 0:03:31]} 17. Nf2 {[%emt 0:00:00]} g6 {[%emt 0:07:34]} 18. e4 {[%emt 0:00:00][%cal Be3e4,Be4e5][%mdl 32]} Nh5 {[%emt 0:02:48]} 19. e5 {[%emt 0:00:00]} Qd8 {[%emt 0:00:16]} 20. g3 {[%emt 0:00:00]} Qg5 {[%emt 0:03:18][%cal Oh5g3]} 21. Kh1 {[%emt 0:00:00]} Ng7 {[%emt 0:02:06]} 22. f4 {[%emt 0:00:00]} Qh5 {[%emt 0:01:47]} (22... Qd8 $14) 23. Be2 {[%emt 0:00:00] Active counter play!} Qf5 {[%emt 0:01:17]} 24. Qc3 {[%emt 0:00:00] [#] Strongly threatening Nc5.} Qd7 {[%emt 0:02:55] Black cannot hold the game after this.} (24... Qe6 $16) 25. Ng4 $18 {[%emt 0:00:00] aiming for Nf6+.} Nh5 {[%emt 0:00:16]} (25... Kh8 $142 26. Nf6 Qd8 27. Nxe8 Rxe8) 26. f5 {[%emt 0:00:00] And now Nh6+ would win.} Qd8 {[%emt 0:00:57]} 27. Qc1 {[%emt 0:00:00]} Bxf5 {[%emt 0:07:51]} (27... Kh8 {is a better defense.} 28. Nh6 Ng7 29. fxg6 fxg6 30. Nf7+ Rxf7) 28. Nh6+ {[%emt 0:00:00] Weighted Error Value: White=0.05 (flawless) /Black=0.41} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "3.1"]
[White "Mekhitarian, Krikor Sevag"]
[Black "Ferreira, Thales Bond Dias"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2569"]
[BlackElo "2086"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,63,62,77,17,76,80,79,75,78,52,88,83,91,87,116,118,156,164,158,127,124,135,188,188,188,187,185,185,435,435,530,493,646,646,646,645,638,525,832,792,714,641]} 1. d4 {[%emt 0:02:39]} Nf6 {[%emt 0:01:01]} 2. c4 {[%emt 0:00:03]} c5 {[%emt 0:01:19]} 3. d5 {[%emt 0:00:07]} b5 {[%emt 0:00:32]} 4. cxb5 {[%emt 0:00:39]} a6 {[%emt 0:00:06]} 5. bxa6 {[%emt 0:00:39]} g6 {[%emt 0:00:42]} 6. Nc3 {[%emt 0:02:51]} Bxa6 {[%emt 0:00:29]} 7. e4 {[%emt 0:10:04]} Bxf1 {[%emt 0:00:54]} 8. Kxf1 {[%emt 0:00:02]} d6 {[%emt 0:00:24]} 9. g3 {[%emt 0:00:04]} Bg7 {[%emt 0:01:21]} 10. Kg2 {[%emt 0:00:02]} O-O {[%emt 0:00:22]} 11. Nf3 {[%emt 0:00:02]} Nbd7 {[%emt 0:01:01]} 12. Qe2 {[%emt 0:00:13]} Qb6 {[%emt 0:05:08] is now more promising than 12...Qa5.} 13. Rd1 {[%emt 0:11:27] [#] A59: Benko/Volga Gambit: White castles by hand.} ({White should play} 13. a4 $16) 13... Ne8 $146 {[%emt 0:18:38]} (13... Qa6 $11) ({Predecessor:} 13... Qa6 14. Qc2 Rfb8 15. a4 Rb4 16. Ra3 Rab8 17. a5 Ne8 18. Re1 Nc7 19. Nd1 Nb5 20. Ra4 Rxa4 21. Qxa4 {½-½ (38) Czerw,D (2413)-Licznerski,L (2387) Szklarska Poreba 2021}) 14. Bg5 $16 {[%emt 0:01:17]} f6 {[%emt 0:02:27]} 15. Bf4 {[%emt 0:03:10] White is better.} Nc7 {[%emt 0:01:18]} 16. Rac1 {[%emt 0:14:15]} Rfb8 {[%emt 0:01:01]} 17. b3 {[%emt 0:06:56]} Qa6 {[%emt 0:01:47]} 18. Qc2 {[%emt 0:10:44] &Bianco is more active.} Nb5 {[%emt 0:01:03]} 19. Nxb5 {[%emt 0:00:05]} Rxb5 {[%emt 0:00:37]} 20. a4 {[%emt 0:00:41]} Rb7 {[%emt 0:00:59]} 21. Nd2 {[%emt 0:05:47]} Rab8 {[%emt 0:06:14]} 22. Rb1 {[%emt 0:00:45]} Ne5 {[%emt 0:01:43]} (22... g5 $16) 23. Bxe5 $18 {[%emt 0:01:09]} fxe5 {[%emt 0:00:16]} 24. Nc4 {[%emt 0:00:10]} Rb4 {[%emt 0:01:02]} 25. Rd3 {[%emt 0:00:49]} Qb7 $2 {[%emt 0:01:12] [#]} (25... Bf6 26. a5 Bg7) 26. Na5 {[%emt 0:06:06] White is clearly winning.} Qc7 {[%emt 0:03:28]} 27. Nc6 {[%emt 0:00:43]} Rxe4 {[%emt 0:00:10]} 28. Nxb8 {[%emt 0:01:24]} Qxb8 {[%emt 0:00:01]} 29. b4 {[%emt 0:03:52]} Rxb4 {[%emt 0:04:43]} 30. Rdb3 {[%emt 0:00:17]} Qa8 {[%emt 0:00:48]} 31. Rxb4 {[%emt 0:00:05]} cxb4 {[%emt 0:00:10]} 32. Qc6 {[%emt 0:19:23] Weighted Error Value: White=0.09 (flawless) /Black=0.47} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "3.2"]
[White "Nemeth Junior, Henrique"]
[Black "Di Berardino, Diego Rafael"]
[Result "1-0"]
[ECO "B63"]
[WhiteElo "2096"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 25,63,-7,0,-18,-16,-54,-46,-51,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-19,-20,-254,-249,-288,-282,-274,-269,-283,-273,-292,-305,-344,-56,-104,29997,29998]} 1. e4 {[%emt 0:00:12]} c5 {[%emt 0:00:46]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:47]} 3. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:13]} 5. Nc3 {[%emt 0:00:07]} d6 {[%emt 0:00:54]} 6. Bg5 {[%emt 0:00:07]} e6 {[%emt 0:01:13]} 7. Qd2 {[%emt 0:00:06]} Be7 {[%emt 0:00:43]} 8. O-O-O {[%emt 0:00:31]} O-O {[%emt 0:00:05]} 9. f3 {[%emt 0:01:30]} a6 {[%emt 0:03:20]} 10. h4 {[%emt 0:00:48]} Nxd4 {[%emt 0:00:11]} 11. Qxd4 {[%emt 0:00:12]} b5 {[%emt 0:00:15]} 12. Kb1 {[%emt 0:06:20]} Bb7 {[%emt 0:05:33]} 13. g4 {[%emt 0:08:15] is the new trend.} Rc8 {[%emt 0:05:19]} 14. Bd3 {[%emt 0:09:45] B63: Sicilian: Richter-Rauzer: 7...Be7 and unusual Black 7th moves.} Qc7 {[%emt 0:11:56]} 15. h5 {[%emt 0:13:50]} h6 {[%emt 0:28:15]} 16. Bd2 {[%emt 0:17:03] [#] Black is slightly better.} e5 $146 {[%emt 0:13:11]} (16... d5 $15 17. exd5 Nxd5) ({Predecessor:} 16... Qc5 17. Ne2 d5 18. e5 Nd7 19. f4 f6 20. Qxc5 Bxc5 21. exf6 Nxf6 22. g5 hxg5 23. fxg5 {0-1 (35) Ertl,J (2274)-Danner,G (2393) Austria 2016}) 17. Qg1 $11 {[%emt 0:01:36]} Nh7 {[%emt 0:00:56] Inhibits g5.} 18. Nd5 {[%emt 0:02:17]} Bxd5 {[%emt 0:04:39]} 19. exd5 {[%emt 0:00:24]} Bg5 $1 {[%emt 0:14:00]} (19... Nf6 $2 20. g5 hxg5 21. Qxg5 Nxd5 22. Qf5 $18) 20. Bf5 {[%emt 0:03:06]} Rb8 {[%emt 0:01:38]} 21. Bxh7+ {[%emt 0:04:27]} Kxh7 {[%emt 0:00:04]} 22. Bxg5 {[%emt 0:00:09]} hxg5 {[%emt 0:00:02][%cal Bh6g5,Bg5f4][%mdl 32]} 23. Qe3 {[%emt 0:00:35]} Qe7 {[%emt 0:00:18]} 24. Qe4+ {[%emt 0:13:12]} Kg8 {[%emt 0:00:32]} 25. f4 $2 {[%emt 0:09:10] [#]} (25. Qb4 $11 {and White has nothing to worry.}) 25... gxf4 $19 {[%emt 0:00:06]} 26. g5 {[%emt 0:00:04]} Qxg5 {[%emt 0:00:11]} 27. Rdg1 {[%emt 0:00:12]} Qh6 {[%emt 0:02:11]} 28. Qf5 {[%emt 0:01:19]} Rbe8 {[%emt 0:05:36]} 29. Rg4 {[%emt 0:07:55]} e4 {[%emt 0:00:05]} 30. Rhg1 {[%emt 0:01:06]} Re5 $2 {[%emt 0:01:04]} (30... f3 $19 {Threatens to win with ...Re5.} 31. Rxg7+ Qxg7 32. Rxg7+ Kxg7) 31. Rxg7+ $15 {[%emt 0:00:21]} Kh8 $2 {[%emt 0:01:00][%mdl 8192] [#]} (31... Qxg7 $17 32. Rxg7+ Kxg7 33. h6+ Kxh6 34. Qxf4+ Kh5 35. Qh2+ Kg6 36. Qg2+ Kf6 37. Qf2+ Rf5 38. Qh4+ Rg5 39. Qf4+ Kg6 40. Qxe4+ f5 41. Qe6+ Rf6 42. Qg8+ (42. Qe8+ Kh7 $15) 42... Kh5 43. Qh8+ Rh6 44. Qe8+ Rhg6 45. Qh8+ Kg4) 32. Rh7+ $1 {[%emt 0:00:56][%mdl 512] Never resign too early!  Weighted Error Value: White=0.36/Black=0.44} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "3.3"]
[White "Rodriguez Vila, Andres"]
[Black "Lima, Kleyton Alcantara"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2435"]
[BlackElo "2080"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,89,12,0,56,42,53,56,73,83,107,104,95,106,103,95,116,84,86,90,104,58,56,44,46,43,71,62,73,59,61,61,66,27,58,30,107,99,99,99,116,107,96,90,85,85,71,89,91,67,77,70,70,76,84,82,138,135,183,174,168,162,147,81,81,76,106,106,110,120,103,95,174,139,120,171,397,312,650,614,563,558]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:05:12]} 2. Nf3 {[%emt 0:00:39]} e6 {[%emt 0:00:41]} 3. b3 {[%emt 0:00:16]} Nc6 {[%emt 0:01:10]} 4. Bb2 {[%emt 0:00:06]} d6 {[%emt 0:00:21]} 5. Bb5 {[%emt 0:00:17]} Bd7 {[%emt 0:01:03]} 6. O-O {[%emt 0:00:08]} e5 {[%emt 0:02:27] Inhibits d4. B50: Sicilian: 2...d6, Miscellaneous.} ({Black should try} 6... a6 $11 7. Bxc6 Bxc6) 7. c3 $14 {[%emt 0:05:01]} Nf6 {[%emt 0:01:25]} 8. d4 {[%emt 0:00:34]} Qc7 {[%emt 0:00:24] White is slightly better.} 9. Nbd2 {[%emt 0:02:50][%cal Bb1d2,Bd2c4,Bc4e3][%mdl 32] [#]} Nb8 $146 {[%emt 0:01:11]} ({Predecessor:} 9... a6 10. Bd3 Be7 11. Nc4 h6 12. Ne3 O-O 13. d5 Na7 14. c4 Nh7 15. h4 h5 {½-½ (45) Bergez,L (2395)-Boros,D (2465) Budapest 2006}) 10. Bd3 {[%emt 0:04:44]} Be7 {[%emt 0:02:08]} 11. Nc4 {[%emt 0:01:50][%cal Rd4e5]} Nc6 {[%emt 0:03:34]} 12. Ne3 {[%emt 0:01:47]} O-O {[%emt 0:01:59]} 13. Re1 {[%emt 0:00:17]} Rfe8 {[%emt 0:01:46]} 14. d5 {[%emt 0:05:12]} Nb8 {[%emt 0:03:20]} 15. Kh1 {[%emt 0:00:33]} ({Better is} 15. a4 $16) 15... Ng4 {[%emt 0:06:33]} 16. Qe2 {[%emt 0:00:58]} Nxe3 {[%emt 0:03:27]} 17. Qxe3 {[%emt 0:00:06]} Bg4 {[%emt 0:00:27]} 18. Ng1 {[%emt 0:01:20]} Bh5 {[%emt 0:04:19]} 19. Qh3 {[%emt 0:01:52]} Bg6 {[%emt 0:01:03]} 20. Ne2 {[%emt 0:02:27] White is more active.} Bg5 {[%emt 0:06:54]} 21. g3 {[%emt 0:00:16]} Qd7 {[%emt 0:00:11]} 22. Qg2 {[%emt 0:01:31] Black must now prevent f4.} Bh5 {[%emt 0:02:44]} (22... f5 $11 {remains equal.}) 23. f3 {[%emt 0:00:20] Threatens to win with h4.} Qe7 {[%emt 0:02:27]} 24. h4 {[%emt 0:05:28]} Bh6 {[%emt 0:00:14]} 25. Qf2 {[%emt 0:02:01]} f6 {[%emt 0:01:31]} 26. Rg1 {[%emt 0:00:37]} f5 {[%emt 0:03:06][%cal Oc5c4]} 27. exf5 {[%emt 0:00:28]} Bxf3+ {[%emt 0:00:03][%mdl 64] Remove Defender, Decoy} 28. Qxf3 {[%emt 0:03:06]} e4 {[%emt 0:00:02]} 29. f6 {[%emt 0:01:33]} exf3 {[%emt 0:00:54]} 30. fxe7 {[%emt 0:00:05] And now Nf4 would win.} fxe2 {[%emt 0:01:18]} 31. Bxe2 {[%emt 0:08:24][%cal Bd3e2,Be2g4,Bg4e6][%mdl 32]} Rxe7 {[%emt 0:01:42]} 32. Bg4 {[%emt 0:00:30]} Na6 {[%emt 0:00:45]} (32... Nd7 $142) 33. Rae1 $16 {[%emt 0:04:07]} Rae8 {[%emt 0:01:35]} (33... Rxe1 $16 34. Rxe1 Rf8 35. Be6+ Kh8) 34. Rxe7 $1 $18 {[%emt 0:06:51]} Rxe7 {[%emt 0:00:12]} 35. Be6+ {[%emt 0:00:04]} Kf8 {[%emt 0:00:22]} 36. c4 {[%emt 0:01:52]} (36. g4 $142 $1 {[%cal Rg4g5]}) 36... Nb4 $16 {[%emt 0:04:29]} 37. Kg2 $36 {[%emt 0:05:01][%mdl 2048] Black is under strong pressure.} a6 {[%emt 0:05:43]} 38. g4 {[%emt 0:01:12]} (38. Rf1+ Ke8 $14) 38... Nd3 {[%emt 0:07:50]} 39. Rf1+ {[%emt 0:01:09]} Ke8 {[%emt 0:03:18] [#]} 40. Bc3 {[%emt 0:00:33] Strongly threatening g5.} ({But not} 40. g5 {[#]} Bxg5 $1 41. hxg5 Nxb2 $15) 40... Nf4+ {[%emt 0:00:08]} (40... Be3 $16 {was called for.}) 41. Kf3 $18 {[%emt 0:00:12] Hoping for g5.} Nxe6 {[%emt 0:00:52]} 42. dxe6 {[%emt 0:00:02]} g6 $2 {[%emt 0:00:16]} (42... g5) 43. Re1 {[%emt 0:00:09]} Bg7 $2 {[%emt 0:00:31]} (43... Kf8 44. Bf6 Re8) 44. Bxg7 {[%emt 0:00:07]} Rxg7 {[%emt 0:00:05]} 45. Ke4 {[%emt 0:36:21] Weighted Error Value: White=0.11 (very precise) /Black=0.33} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "3.4"]
[White "Paulino, Domingos"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2082"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 25,70,-39,-43,-59,-62,-79,-64,-64,-59,-60,-60,-64,-55,-79,-91,-104,-101,-108,-100,-138,-144,-139,-136,-131,-131,-141,-145,-160,-131,-173,-171,-171,-171,-203,-165,-214,-177,-299,-299,-564,-548,-518,-510,-491,-475,-514,-466]} 1. d4 {[%emt 1:31:00]} c5 {[%emt 1:31:00]} 2. e3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 4. Be2 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 5. O-O {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 6. c4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 7. exd4 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 8. Nc3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 9. h3 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 10. Bf4 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 11. Rc1 {[%emt 0:00:30]} dxc4 {[%emt 0:00:30]} 12. Bxc4 {[%emt 0:00:30]} Rc8 {[%emt 0:00:30]} 13. Be2 {[%emt 0:00:30]} Nd5 {[%emt 0:00:30]} 14. Nxd5 {[%emt 0:00:30] D94: Grünfeld: 4 Nf3 Bg7 5 e3.} Qxd5 {[%emt 0:00:30]} 15. Bc4 {[%emt 0:00:30]} Qf5 {[%emt 0:00:30]} 16. Be3 {[%emt 0:00:30] [#] Black is slightly better.} Na5 $146 {[%emt 0:00:30][%cal Bc6a5,Ba5c4,Bc4e3][%mdl 32]} ({Predecessor:} 16... Rfd8 17. Ng5 e6 18. Bd3 Qd5 19. Be4 Qd7 20. Qe2 Nxd4 21. Bxd4 Bxd4 22. Rcd1 Qe7 {0-1 (38) Von der Weth,C-Seils,G Salzwedel 1982}) 17. Be2 {[%emt 0:00:30]} Rxc1 {[%emt 0:00:30]} 18. Qxc1 {[%emt 0:00:30]} Rc8 {[%emt 0:00:30]} 19. Qd1 {[%emt 0:00:30][%cal Of3e5]} Nc4 {[%emt 0:00:30] White is on the road to losing.} 20. Qb3 {[%emt 0:00:30]} Nxe3 {[%emt 0:00:30] Black is much more active.} 21. Qxe3 {[%emt 0:00:30]} e6 {[%emt 0:00:30][%cal Be7e6,Be6e5][%mdl 32]} 22. Rc1 {[%emt 0:00:30] Prevents Qc2.} Rxc1+ {[%emt 0:00:30]} 23. Qxc1 {[%emt 0:00:30]} Bxf3 {[%emt 0:00:30]} 24. Bxf3 {[%emt 0:00:30]} ({Not} 24. Qc8+ $2 Bf8 25. gxf3 Qb1+ 26. Bf1 Qxb2) 24... Bxd4 {[%emt 0:00:30]} 25. b3 {[%emt 0:00:30]} h5 {[%emt 0:00:30][%cal Bh7h5,Bh5h4][%mdl 32]} 26. Qd1 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 27. Qe2 {[%emt 0:00:30]} h4 {[%emt 0:00:30]} 28. Qe4 {[%emt 0:00:30]} Qg5 {[%emt 0:00:30] [#] ( -> ...Qc1+)} 29. Qc2 {[%emt 0:00:30] Against Qc1+} Qf4 {[%emt 0:00:30]} 30. Bd5 {[%emt 0:00:30]} (30. b4 $142) 30... Kg7 {[%emt 0:00:30]} 31. Qe2 {[%emt 0:00:30]} (31. Kf1 {was necessary.}) 31... Qc1+ $19 {[%emt 0:00:30]} 32. Qf1 $2 {[%emt 0:00:30] [#]} (32. Kh2) 32... Bxf2+ $1 {[%emt 0:00:30][%mdl 512] Black is clearly winning.} 33. Kxf2 {[%emt 0:00:30]} Qc5+ {[%emt 0:00:30]} 34. Ke1 {[%emt 0:00:30]} Qxd5 {[%emt 0:00:30]} 35. Qf2 {[%emt 0:00:30]} Qe4+ {[%emt 0:00:30] Weighted Error Value: White=0.38/Black=0.06 (flawless)} 0-1

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "3.5"]
[White "Cunha, Lucas Aguiar"]
[Black "Soares, Joao Carlos T. C."]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2328"]
[BlackElo "2064"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,154,19,18,26,23,23,25,26,18,30,-8,-8,-66,-67,-62,-66,-119,-152,-146,-19,-78,-44,-28,-16,-28,0,-175,-173,-161,-162,-206,-158,-164,-135,-160,-169,-181,0,-213,-45,-174,-150,-139,-131,-208,-218,-216,-204,-319,-311,-307,-247,-305,-281,-319,-314,-306,-304,-427,-425,-434,-431,-455,-458,-454,-481,-462,-453,-439,-384,-750,-741,-1077,-1076,-945,-944,-1240,-1260,-1136,-1052,-1237,-1143,-1084,-1108,-2163,-1475,-29965,-29967,-8107,-8620,-29979,-29980,-29980,-29981,-29981,-29982,-29989,-29960,-29975,-1627,-29976,-29976,-29975,-1070,-1056,-1006,-999,-999,-972,-979,-1689,-1647,-1600,-4586,-29973,-29973,-29977,-1206,-801,0,-5657,-691,-29977,-29977,-29977,-29977,-29977,-29978,-29977,-29978,-29989,-29990,-29990,-29986,-29986,-29987,-29987,-29988,-29986,-29987,-29988,-29984,-29983,-29984]} 1. e4 {[%emt 0:11:06]} c6 {[%emt 0:01:24]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:09]} 3. e5 {[%emt 0:00:03]} Bf5 {[%emt 0:00:13]} 4. c4 {[%emt 0:00:05]} e6 {[%emt 0:01:41]} 5. Nc3 {[%emt 0:00:05]} dxc4 {[%emt 0:02:02]} 6. Bxc4 {[%emt 0:00:07]} Nd7 {[%emt 0:00:20]} 7. Nge2 {[%emt 0:00:48]} h6 {[%emt 0:04:20] B12: Caro-Kann: Advance Variation.} 8. O-O {[%emt 0:00:21]} Ne7 {[%emt 0:00:33]} 9. Ng3 {[%emt 0:01:59]} Nb6 {[%emt 0:00:52] White has an edge.} 10. Bb3 {[%emt 0:00:07]} Bg6 {[%emt 1:23:56]} 11. f4 {[%emt 0:00:28] [#]} h5 $146 {[%emt 0:00:00]} ({Predecessor:} 11... Ned5 12. f5 exf5 13. Nxf5 Bxf5 14. Rxf5 g6 15. Rf2 Qd7 16. Ne4 O-O-O 17. Qf3 Rh7 {1-0 (59) Petrov,M (2457)-Villiers,T (2165) Newcastle on Tyne 2021}) 12. f5 {[%emt 0:06:44]} (12. Be3 $11) 12... Nxf5 $15 {[%emt 0:00:00]} 13. Nxf5 {[%emt 0:00:08]} Bxf5 {[%emt 0:00:00]} 14. Rxf5 {[%emt 0:00:31]} exf5 $17 {[%emt 0:00:00]} 15. Be3 {[%emt 0:08:24]} Qh4 {[%emt 0:00:00]} (15... Bb4 $17 {next ...g6 is good for Black.} 16. a3 Bxc3 17. bxc3 Nd5) 16. d5 {[%emt 0:03:10]} (16. Qd2 $11 Rd8 17. Rf1) 16... Qg4 {[%emt 0:00:00]} 17. Qf1 {[%emt 0:02:01][%cal Oc3b5] Threatens to win with Nb5!} Be7 {[%emt 0:00:00]} 18. h3 {[%emt 0:02:47]} Qg3 {[%emt 0:00:00]} 19. Bf4 {[%emt 0:01:30]} (19. Re1 $1 $11) 19... Bc5+ $19 {[%emt 0:00:00]} 20. Kh1 {[%emt 0:00:18]} Qf2 {[%emt 0:00:00]} 21. d6 {[%emt 0:02:37]} Qxf1+ {[%emt 0:00:00]} ({Not} 21... Qxb2 22. Ne2 $11) 22. Rxf1 {[%emt 0:58:05]} a5 {[%emt 0:00:00][%cal Ba7a5,Ba5a4][%mdl 32] And now ...a4 would win.} 23. a3 {[%emt 0:00:00]} a4 {[%emt 0:06:30]} 24. Ba2 {[%emt 0:00:00]} Bd4 $2 {[%emt 0:00:00]} (24... h4 $19 {...Rh7 is the strong threat.} 25. Bg5 g6) 25. e6 $2 {[%emt 0:00:00]} (25. Ne2 $1 $11 Bc5 26. Bg5) 25... Bxc3 $2 {[%emt 0:00:00]} (25... fxe6 $19 26. Bxe6 Rf8) 26. bxc3 {[%emt 0:00:00] [#]} (26. exf7+ $15 Kf8 27. bxc3) 26... Nd5 $1 {[%emt 0:00:00]} 27. Bxd5 {[%emt 0:00:00]} cxd5 $17 {[%emt 0:00:00][%mdl 4096] Endgame KRR-KRB} 28. Rb1 {[%emt 0:00:00]} (28. Re1 $17 {was called for.}) 28... fxe6 $19 {[%emt 0:00:00] Strongly threatening ...Rb8.} 29. Rxb7 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 30. d7 {[%emt 0:00:00]} (30. Bg5 {was necessary.}) 30... Rad8 {[%emt 0:00:22]} 31. Bg5 {[%emt 0:00:00]} Rf6 {[%emt 0:00:36]} 32. Kg1 {[%emt 0:00:00]} ({Much weaker is} 32. Bxf6 gxf6 33. c4 dxc4) 32... Kf7 {[%emt 0:00:21]} 33. Ra7 {[%emt 0:00:00]} Ke7 {[%emt 0:00:24][%cal Od8d7]} 34. Rxa4 {[%emt 0:00:00]} Rxd7 {[%emt 0:00:11][%cal Od7c7]} 35. Bf4 {[%emt 0:00:00]} (35. Rb4 $142) 35... Rf8 {[%emt 0:00:29]} 36. Be5 {[%emt 0:00:00]} g6 {[%emt 0:00:44]} 37. Kf2 {[%emt 0:00:00]} Rc8 {[%emt 0:00:18]} 38. Bd4 {[%emt 0:00:00]} Rdc7 {[%emt 0:00:51] Hoping for ...Kd6.} 39. Be5 {[%emt 0:00:00]} Rxc3 {[%emt 0:00:36]} 40. Ra7+ {[%emt 0:00:00]} Kf8 {[%emt 0:01:32]} 41. h4 $2 {[%emt 0:00:00]} (41. Bxc3 Rxc3 42. a4) 41... Rb3 {[%emt 0:00:43]} 42. a4 {[%emt 0:00:00]} Rc2+ {[%emt 0:00:31]} 43. Kg1 {[%emt 0:00:00]} Re3 {[%emt 0:00:48]} 44. Ra8+ {[%emt 0:00:00]} Ke7 {[%emt 0:00:24] ( -> ...Re1+)} 45. Ra7+ {[%emt 0:00:00]} Ke8 {[%emt 0:00:13]} 46. Ra8+ {[%emt 0:00:00]} Kd7 {[%emt 0:00:18]} 47. Ra7+ {[%emt 0:00:00]} Kc8 {[%emt 0:00:57]} 48. Bd4 {[%emt 0:00:00]} Ree2 {[%emt 0:00:24]} 49. Ra8+ {[%emt 0:00:00]} Kb7 {[%emt 0:00:30]} 50. Ra7+ {[%emt 0:00:00]} Kb8 {[%emt 0:00:43]} 51. Re7 {[%emt 0:00:00]} Rxg2+ {[%emt 0:00:09]} 52. Kf1 {[%emt 0:00:00]} Rgd2 {[%emt 0:00:56][%cal Rc2c1]} 53. Be5+ {[%emt 0:00:00]} Kc8 {[%emt 0:00:19][%cal Rc2c1]} 54. Bg3 {[%emt 0:00:00]} Rd1+ {[%emt 0:01:16]} 55. Be1 {[%emt 0:00:00]} Ra1 {[%emt 0:00:23]} (55... Rcc1 $142 56. Rxe6 d4 57. Kf2 d3 58. Ba5 Rc2+ 59. Kg3 Rf1 60. Re8+ Kb7 61. Re7+ Ka6 62. Bc7 d2 63. Rd7 d1=Q 64. Rxd1 Rc3+ 65. Rd3 Rxd3+ 66. Kg2 Ra1 67. Bg3 Ra2+ 68. Bf2 Ka5 69. Kg1 Rdd2 70. Kh1 Rxf2 71. Kg1 Kxa4 72. Kh1 Rf1#) 56. a5 {[%emt 0:00:00]} Rcc1 {[%emt 0:00:46]} 57. Rxe6 {[%emt 0:00:00] [#]} Rxa5 {[%emt 0:00:23]} (57... Rxe1+ $142 $1 58. Rxe1 Rxe1+ 59. Kxe1 d4 60. Kf2 f4 61. Kf3 d3 62. a6 Kb8 63. Kxf4 d2 64. Kg5 d1=Q 65. Kh6 Qd4 66. Kg5 Ka7 67. Kxg6 Qxh4 68. Kf5 Qg4+ 69. Kf6 h4 70. Kf7 h3 71. Kf6 h2 72. Ke7 h1=Q 73. Kf6 Qhe4 74. Kf7 Qh7+ 75. Kf8 Qgg8#) 58. Ke2 {[%emt 0:00:00]} Rc2+ {[%emt 0:00:42]} 59. Kd3 {[%emt 0:00:00]} Raa2 {[%emt 0:00:28]} 60. Rxg6 {[%emt 0:00:00]} Rg2 {[%emt 0:00:14]} 61. Rf6 {[%emt 0:00:00]} Rg4 {[%emt 0:00:50] aiming for ...Ra3+.} 62. Rxf5 {[%emt 0:00:00]} Ra3+ {[%emt 0:00:01]} 63. Kc2 {[%emt 0:00:00]} Rg2+ {[%emt 0:00:33]} 64. Kb1 {[%emt 0:00:00]} Rd3 {[%emt 0:00:41]} (64... Re2 $142 65. Rxh5 Rxe1+ 66. Kb2 Ra5 67. Rh6 Rc5 68. Rg6 d4 69. Rg3 Re2+ 70. Kb1 Rh2 71. h5 Rhxh5 72. Rg8+ Kb7 73. Rg7+ Kc6 74. Rf7 d3 75. Rf2 Kd5 76. Kb2 Ke4 77. Rf8 Rb5+ 78. Ka3 Kd4 79. Ra8 d2 80. Rd8+ Kc3 81. Rc8+ Rhc5 82. Rxc5+ Rxc5 83. Ka4 d1=Q+ 84. Ka3 Qb3#) 65. Kc1 {[%emt 0:00:00]} Ra3 {[%emt 0:00:42]} (65... Rd4 $142 66. Bf2 Re4) 66. Kb1 $1 {[%emt 0:00:00]} d4 {[%emt 0:00:33]} (66... Re2 $142 67. Rxh5 Rxe1+ 68. Kb2 Ra5 69. Rh8+ Kd7) 67. Rxh5 {[%emt 0:00:00]} Re3 {[%emt 0:00:28][%cal Re3e1] Black mates.} 68. Ba5 {[%emt 0:00:00]} Rb3+ {[%emt 0:00:34]} 69. Kc1 {[%emt 0:00:00]} Ra3 {[%emt 0:00:09][%cal Ra3a1]} 70. Kb1 {[%emt 0:00:00]} d3 {[%emt 0:00:26]} 71. Bb4 {[%emt 0:00:00]} Rb3+ {[%emt 0:00:07]} 72. Ka1 {[%emt 0:00:00]} Rg1+ {[%emt 0:00:21]} 73. Ka2 {[%emt 0:00:00]} Rxb4 {[%emt 0:00:08]} 74. Rd5 {[%emt 0:00:00]} Rg3 {[%emt 0:00:40]} 75. h5 {[%emt 0:00:00]} Rh4 {[%emt 0:00:05]} 76. Kb2 {[%emt 0:00:00]} Rgh3 {[%emt 0:00:11]} 77. Kc3 {[%emt 0:00:00]} Rxh5 {[%emt 0:00:02] Weighted Error Value: White=0.67/Black=0.27 (precise)} 0-1

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.22"]
[Round "3.6"]
[White "Alboredo, Julia"]
[Black "De Carli Filho, Carlos"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2252"]
[BlackElo "2054"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,41,16,29,0,0,0,31,23,22,24,33,45,53,58,55,58,59,44,205,215,239,184,442,392,672,650,778,771,778,689,29998,29999]} 1. e4 {[%emt 0:04:05]} c5 {[%emt 0:03:39]} 2. Nf3 {[%emt 0:00:15]} e6 {[%emt 0:01:17]} 3. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:10]} Nc6 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:13]} Qc7 {[%emt 0:00:10]} 6. Be3 {[%emt 0:00:08]} a6 {[%emt 0:00:03]} 7. g4 $1 {[%emt 0:00:08][%mdl 4] is currently scoring better than 7.Qd2. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} b5 {[%emt 0:03:11]} 8. Nxc6 {[%emt 0:00:07]} dxc6 {[%emt 0:04:48]} 9. Qf3 {[%emt 0:00:18] White is slightly better.} Bd6 {[%emt 0:11:53]} 10. O-O-O {[%emt 0:06:54][%cal Od1d6]} Ne7 {[%emt 0:00:30]} 11. h4 {[%emt 0:01:43][%cal Bh2h4,Bh4h5][%mdl 32] [#]} Bb7 $146 {[%emt 0:04:21]} ({Predecessor:} 11... Rb8 12. Rxd6 Qxd6 13. e5 Qc7 14. Ne4 O-O 15. Bc5 Bb7 16. Bd6 Qa5 17. Bd3 c5 18. Bxe7 c4 19. Nf6+ gxf6 20. Qxf6 h6 21. Qxh6 f5 22. exf6 {1-0 (22) Pichot,A (2630)-Sargsyan,A (2397) Belgrade 2021}) 12. h5 {[%emt 0:02:31]} h6 {[%emt 1:06:29]} 13. Kb1 {[%emt 0:05:23]} Be5 {[%emt 0:00:00]} 14. Bc5 {[%emt 0:00:50]} O-O $2 {[%emt 0:00:00] [#] This costs Black the game.} ({Better is} 14... Ng8 $1 $14) 15. g5 $1 $18 {[%emt 0:04:04]} hxg5 {[%emt 0:00:00]} 16. h6 $36 {[%emt 0:00:20][%mdl 2048] White is on the roll.} gxh6 $2 {[%emt 0:00:00]} (16... Ng6 {is a better defense.}) 17. Rxh6 {[%emt 0:01:07] Threatens to win with Qh5.} Rfd8 $2 {[%emt 0:00:00] [#]} (17... Kg7) 18. Bd3 $1 {[%emt 0:02:57]} Ng6 {[%emt 0:00:00]} 19. Rdh1 {[%emt 0:09:20] Qh5 is the strong threat.} Bg7 {[%emt 0:00:00]} 20. Qh5 {[%emt 0:01:29][%cal Oh6h8] Threatening mate with Rh8+!} Qe5 {[%emt 0:00:00] [#]} 21. Rh8+ $1 {[%emt 0:00:20][%mdl 512] Weighted Error Value: White=0.07 (flawless) /Black=0.95} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.23"]
[Round "4.1"]
[White "Librelato, Kathie Goulart"]
[Black "Mekhitarian, Krikor Sevag"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2156"]
[BlackElo "2569"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,109,8,6,14,12,12,14,11,21,0,16,15,29,7,7,0,10,4,14,0,0,0,0,-1,12,16,29,0,0,0,0,0,0,0,0,0,0,-43,-43,-37,-28,-50,-26,-40,-35,-28,0,0,0,-70,-39,-104,-30,-100,-22,-126,-54,-59,-31,-11,0,0,0,0,14,1,8,12,19,0,0,0,0,0,71,71,75,75,79,90,97,79,87,67,239,238,520,522,526,527,555,-1488,473,468,2438,662,769,652,624,604,771,714]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:11:49]} 2. Nf3 {[%emt 0:00:09]} d6 {[%emt 0:00:06]} 3. Bb5+ {[%emt 0:00:04]} Bd7 {[%emt 0:11:08]} 4. Bxd7+ {[%emt 0:00:10]} Qxd7 {[%emt 0:01:28]} 5. d4 {[%emt 0:00:14]} cxd4 {[%emt 0:00:42]} 6. Qxd4 {[%emt 0:00:09] B52: Sicilian: Moscow Variation with 3...Bd7.} Nc6 {[%emt 0:00:56]} 7. Qd3 {[%emt 0:00:07]} g6 {[%emt 0:03:30]} 8. O-O {[%emt 0:00:34] The position is equal.} Bg7 {[%emt 0:00:09]} 9. c4 {[%emt 0:00:52]} Nf6 {[%emt 0:01:28]} 10. Nc3 {[%emt 0:00:09]} O-O {[%emt 0:01:35]} 11. h3 {[%emt 0:01:50]} Rfc8 {[%emt 0:10:07]} 12. Be3 {[%emt 0:13:32]} Nb4 {[%emt 0:09:42]} 13. Qe2 {[%emt 0:00:15]} Qe6 {[%emt 0:01:14][%csl LRc4,LRe4] [#]} 14. Nd2 $146 {[%emt 0:22:08]} ({Predecessor:} 14. a3 Na6 15. Nd2 Nc5 16. Bd4 Bh6 17. f4 Nh5 18. f5 Qd7 19. Nd5 e6 20. Qxh5 gxh5 {1-0 (43) Storme,I (2153)-Thornert,H (2242) Sweden 2016}) 14... Nc2 {[%emt 0:12:13]} 15. Rac1 {[%emt 0:00:07]} Nxe3 {[%emt 0:00:07]} 16. Qxe3 {[%emt 0:00:07]} Nd7 {[%emt 0:01:16]} 17. b3 {[%emt 0:05:43]} Nc5 {[%emt 0:05:26]} 18. Nd5 {[%emt 0:07:58]} Qd7 {[%emt 0:00:58]} 19. Rfd1 {[%emt 0:01:10][%cal Oe4e5]} e6 {[%emt 0:02:05]} 20. Nc3 {[%emt 0:00:54]} a6 {[%emt 0:03:02]} 21. Nf3 {[%emt 0:03:56]} Qc7 {[%emt 0:01:17]} 22. Nd4 {[%emt 0:07:22]} Rd8 {[%emt 0:00:49]} 23. b4 {[%emt 0:00:41]} Nd7 {[%emt 0:00:14]} 24. Na4 {[%emt 0:00:23]} Rac8 {[%emt 0:03:46]} 25. Nb3 {[%emt 0:03:38]} Qc6 {[%emt 0:02:05]} 26. Nc3 {[%emt 0:00:43]} Ne5 {[%emt 0:07:03]} 27. Na5 {[%emt 0:02:23]} Qc7 {[%emt 0:00:38]} (27... Nxc4 $2 28. Nxc6 Nxe3 29. Ne7+ Kf8 30. Nxc8 Rxc8 31. Nb5 $1 $18 {[%mdl 512]} (31. fxe3 Rxc3 32. Rxc3 Bxc3 $16) (31. Rxd6 Bh6 $11)) (27... Qe8 $5 {[%cal Re5c4]} 28. Ne2 b5 $11) 28. Na4 {[%emt 0:00:14] Prevents b6.} Nd7 {[%emt 0:02:12]} 29. Qa7 {[%emt 0:15:35]} (29. Nb3 $11) 29... Rb8 {[%emt 0:03:32]} 30. Rc2 {[%emt 0:04:48] [#]} (30. g3 $15) 30... Bf8 {[%emt 0:02:25]} (30... Nc5 $1 $17 {[%mdl 512]} 31. Qb6 (31. Nxc5 $2 dxc5 32. Rcd2 cxb4 $17) 31... Qxb6 32. Nxb6 Nxe4) 31. a3 {[%emt 0:00:37] [#]} (31. Qe3 $11) 31... Rdc8 {[%emt 0:00:14]} (31... Nc5 $1 $17 {[%cal Rc5a4]} 32. Qb6 Qxb6 33. Nxb6 Nxe4) 32. Qd4 {[%emt 0:02:40] [#]} (32. Qe3 $1 $11) 32... b6 {[%emt 0:00:35]} ({Black should try} 32... Nc5 $1 $17 {[%cal Rc5a4][%mdl 512]} 33. Nb2 (33. bxc5 Qxa5) 33... b6 $1 34. bxc5 dxc5) 33. Nb3 $15 {[%emt 0:00:11]} b5 {[%emt 0:01:19]} 34. Nb2 {[%emt 0:00:22]} Nb6 {[%emt 0:00:50] aiming for ...Bg7.} 35. Na5 {[%emt 0:02:02]} ({Of course not} 35. c5 Rd8 36. Qc3 dxc5 37. Rxd8 Rxd8 38. Nxc5 Nc4 $15) 35... d5 {[%emt 0:00:49][%cal Rd5c4]} 36. c5 {[%emt 0:00:50]} Bg7 {[%emt 0:00:33]} 37. Qd3 {[%emt 0:00:25]} dxe4 {[%emt 0:00:55]} 38. Qxe4 {[%emt 0:00:07][%cal Oc5b6]} Nd5 {[%emt 0:00:02] ...Bxb2 is the strong threat.} 39. Re1 {[%emt 0:02:35]} Re8 {[%emt 0:00:38]} 40. Nd3 {[%emt 0:00:21][%cal Bb2d3,Bd3c5,Bc5b7,Bb7d6][%mdl 32]} Rbd8 {[%emt 0:00:26]} 41. c6 {[%emt 0:01:36]} Rc8 {[%emt 0:00:31] [#]} (41... Ne7 $11 {keeps the balance.}) 42. Nc5 $1 $16 {[%emt 0:00:28]} Qa7 {[%emt 0:00:11]} 43. Qf3 {[%emt 0:01:12]} Re7 {[%emt 0:00:35]} 44. Rd1 {[%emt 0:00:31] &Bianco is much more active.} Rd8 {[%emt 0:00:49]} 45. Ncb7 $36 {[%emt 0:01:10][%mdl 2048] White is in control. Pair of Knights!} Rc8 {[%emt 0:00:40]} 46. Nd6 {[%emt 0:01:20]} Rd8 {[%emt 0:00:13]} (46... Ra8 $14) 47. Nab7 $18 {[%emt 0:00:18]} Rf8 {[%emt 0:00:36]} (47... Rxd6 48. Nxd6 Qc7) 48. Rxd5 {[%emt 0:00:55]} exd5 {[%emt 0:00:01] [#]} 49. c7 $1 {[%emt 0:00:11]} Rxc7 {[%emt 0:01:26]} 50. Rc3 {[%emt 0:01:42][%mdl 8192]} Qd4 $4 {[%mdl 8192]} 51. Rxc7 {[%emt 0:00:00] White is clearly winning.} Rb8 (51... Qa1+ $142 52. Kh2 Qf6 53. Qxf6 Bxf6) 52. Rxf7 {[%emt 0:00:00]} (52. Qxf7+ $142 Kh8 53. Ne8 Qa1+ 54. Kh2 Qe5+ 55. f4 Qxc7 56. Nxc7) 52... Qe5 {[%emt 0:01:28]} 53. g3 {[%emt 0:00:50]} Qe6 {[%emt 0:00:29]} 54. Qf4 {[%emt 0:00:28]} Qe1+ {[%emt 0:00:34]} 55. Kg2 {[%emt 0:00:16] Weighted Error Value: White=0.41/Black=0.43} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.23"]
[Round "4.2"]
[White "Almeida, Gianluca Jorio"]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2112"]
[BlackElo "2435"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,80,-7,-28,-14,-32,-42,-47,-16,-23,13,13,16,0,0,0,0,-59,-65,-95,-91,-125,-104,-116,-120,-160,-144,-161,-161,-163,-156,-161,-162,-370,-377,-373,-371,-382,-362,-403,-363,-389,-377,-385,-319,-313,-304,-283,-231,-570,-474,-496,-493,-439,-310,-578,-578,-691,-685,-670,-677,-1714,-1677,-29984,-29985,-29982,-29983,-29983,-29984,-29990,-29988,-29990,-29991]} 1. c4 {[%emt 0:00:02]} e5 {[%emt 0:00:45]} 2. Nc3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:27]} 3. g3 {[%emt 0:00:19]} Bb4 {[%emt 0:00:21]} 4. Bg2 {[%emt 0:00:40]} O-O {[%emt 0:00:10]} 5. Nd5 {[%emt 0:02:51]} Nxd5 {[%emt 0:00:50]} 6. cxd5 {[%emt 0:00:09]} d6 $1 {[%emt 0:00:19] 6...d6 scores better than 6...c6. A22: English Opening: 1...e5 2 Nc3 Nf6.} 7. a3 {[%emt 0:01:46]} Bc5 {[%emt 0:00:38]} 8. d3 {[%emt 0:00:47]} f5 {[%emt 0:00:52] Black is slightly better.} 9. Nf3 {[%emt 0:17:01] [#]} Qf6 $146 {[%emt 0:00:27]} ({Predecessor:} 9... c6 10. O-O Qf6 11. dxc6 Nxc6 12. Rb1 f4 13. b4 Bb6 14. Bb2 fxg3 15. hxg3 Qg6 {0-1 (22) Kasperek,K (1493)-Rudol,M (1466) Ustron 2011}) 10. d4 {[%emt 0:06:46]} exd4 {[%emt 0:01:32]} 11. Bg5 {[%emt 0:02:14]} Qg6 {[%emt 0:00:08][%cal Of5f4]} 12. b4 {[%emt 0:02:04]} Bb6 {[%emt 0:00:17][%cal Of5f4] And now ...f4! would win.} 13. Qd3 {[%emt 0:00:24]} (13. O-O $11) 13... Nd7 $15 {[%emt 0:03:41]} 14. Bf4 {[%emt 0:04:47] [#] Black converts the advantage convincingly.} Qf6 $1 {[%emt 0:05:33]} 15. O-O {[%emt 0:08:48]} Ne5 {[%emt 0:00:28]} 16. Qd2 {[%emt 0:00:12]} h6 {[%emt 0:00:45]} 17. h4 {[%emt 0:01:17]} Bd7 {[%emt 0:00:05]} 18. a4 {[%emt 0:05:00] [#] Threatens to win with a5.} a5 $1 {[%emt 0:00:04]} 19. b5 {[%emt 0:00:03]} Rae8 {[%emt 0:00:26]} 20. Rad1 {[%emt 0:00:40]} Ng6 {[%emt 0:00:41] White must now prevent ...Re4.} 21. Rfe1 $2 {[%emt 0:03:26]} (21. Nxd4 Nxf4 22. Qxf4) 21... Nxf4 {[%emt 0:03:39]} 22. gxf4 {[%emt 0:07:05]} Re4 {[%emt 0:00:11]} 23. Qc1 {[%emt 0:00:50]} Rfe8 {[%emt 0:01:03]} 24. Kf1 {[%emt 0:00:17]} Qe7 {[%emt 0:01:25][%cal Re4e2]} 25. Qd2 {[%emt 0:10:41]} Bc5 {[%emt 0:00:18]} 26. Rb1 {[%emt 0:01:39]} Bb4 {[%emt 0:01:03]} 27. Rxb4 {[%emt 0:00:22]} axb4 {[%emt 0:00:02]} 28. Nxd4 {[%emt 0:00:24]} Qxh4 {[%emt 0:00:29]} 29. Ne6 {[%emt 0:00:54]} (29. e3 {was the crucial defense.}) 29... Bxe6 {[%emt 0:00:32]} 30. dxe6 {[%emt 0:00:09]} Rxf4 {[%emt 0:01:22][%csl Gf4][%cal Rh4f2]} 31. e3 {[%emt 0:00:07]} Re4 {[%emt 0:03:39][%cal Bf4e4,Be4e6,Be6g6][%mdl 32]} 32. Qd5 $2 {[%emt 0:01:51]} (32. Bxe4 {might work better.} Qxe4 33. Rc1) 32... R4xe6 $19 {[%emt 0:01:12]} 33. Qxb7 {[%emt 0:04:41]} Qc4+ {[%emt 0:00:51]} 34. Kg1 {[%emt 0:00:11]} Rg6 {[%emt 0:00:12] aiming for ...d5.} 35. a5 {[%emt 0:02:13]} d5 {[%emt 0:00:30] ( -> ...Qe4)} 36. Rd1 {[%emt 0:03:19] [#]} Rxg2+ $1 {[%emt 0:00:09] Black mates.} 37. Kxg2 {[%emt 0:00:14]} (37. Kh1 Rxf2) 37... Qg4+ {[%emt 0:00:01]} 38. Kh2 {[%emt 0:00:09]} Qxd1 {[%emt 0:00:35]} 39. a6 {[%emt 0:00:09]} Qh5+ {[%emt 0:01:41]} 40. Kg2 {[%emt 0:00:11]} f4 {[%emt 1:13:07] Weighted Error Value: White=0.72/Black=0.13 (very precise)} 0-1

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.23"]
[Round "4.3"]
[White "Hoffman, Alejandro"]
[Black "Lage, Pedro Ferreira"]
[Result "1-0"]
[ECO "D95"]
[WhiteElo "2389"]
[BlackElo "2100"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,51,-6,19,-7,0,-4,2,-10,84,85,87,99,110,112,122,123,122,125,123,121,137,129,174,168,200,154,161,162,247,222,583,581,572,570,762,754,795,775,755,735]} 1. d4 {[%emt 0:00:05]} d5 {[%emt 0:16:13]} 2. c4 {[%emt 0:00:14]} c6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:32]} Nf6 {[%emt 0:00:28]} 4. e3 {[%emt 0:00:19]} g6 {[%emt 0:00:18]} 5. Nf3 {[%emt 0:00:27]} Bg7 {[%emt 0:00:17]} 6. Qb3 {[%emt 0:01:22]} O-O {[%emt 0:02:11]} 7. Bd2 {[%emt 0:00:53]} b6 {[%emt 0:05:21]} 8. Bd3 {[%emt 0:08:29] D95: Grünfeld: 4 Nf3 Bg7 5 e3 0-0 6 Qb3.} Ba6 {[%emt 0:04:04]} 9. O-O {[%emt 0:01:01]} Nbd7 {[%emt 0:03:06] [#]} 10. Rfd1 $146 {[%emt 0:18:58] The position is equal.} (10. Rfc1 {feels hotter.} Rc8 11. Qa4 Bxc4 12. Bxc4 dxc4 13. Qxc4 Re8 14. Rd1) ({Predecessor:} 10. Rad1 e6 11. Bc1 dxc4 12. Bxc4 Bxc4 13. Qxc4 Rc8 14. e4 Qc7 15. Rfe1 h6 16. h3 {1-0 (30) Bisguier,A (2440)-Ruiz,A Palo Alto 1981}) 10... c5 {[%emt 0:05:38]} (10... e6 $11) 11. Nxd5 $16 {[%emt 0:02:55]} Nxd5 {[%emt 0:06:11]} 12. cxd5 {[%emt 0:00:07]} Bxd3 {[%emt 0:00:53]} 13. Qxd3 {[%emt 0:00:04]} cxd4 {[%emt 0:03:50]} 14. Nxd4 {[%emt 0:00:38]} Nc5 {[%emt 0:06:20]} 15. Qc4 {[%emt 0:00:55] &Bianco is more active.} Rc8 {[%emt 0:02:15][%cal Oe7e6]} 16. Nc6 {[%emt 0:01:33]} Qd7 {[%emt 0:01:27]} 17. Bc3 {[%emt 0:05:29] Hoping for Bxg7.} Bxc3 {[%emt 0:03:05]} 18. Qxc3 {[%emt 0:00:15]} ({Much less strong is} 18. bxc3 e6 $16) 18... f6 {[%emt 0:16:12]} 19. f3 {[%emt 0:09:12]} e6 {[%emt 0:02:51]} 20. e4 {[%emt 0:01:15]} f5 {[%emt 0:03:42]} (20... exd5 {was called for.} 21. exd5 Kg7) 21. b4 $18 {[%emt 0:02:14]} Na4 {[%emt 0:03:00]} (21... exd5 {is a better chance.} 22. exd5 (22. bxc5 Qxc6 23. Rxd5 fxe4 $14) 22... Nb7) 22. Qb3 $1 {[%emt 0:01:00][%csl LRa4,LRe6] White is clearly winning.} b5 {[%emt 0:01:05]} 23. Rac1 {[%emt 0:01:37]} exd5 {[%emt 0:01:21] [#]} 24. Rxd5 $1 {[%emt 0:02:39]} Qf7 {[%emt 0:01:51] [#]} (24... Qe6 25. Rxb5) 25. Ne7+ $1 {[%emt 0:02:33][%mdl 512]} Qxe7 {[%emt 0:00:02]} 26. Rd7+ {[%emt 0:01:05] Weighted Error Value: White=0.07 (flawless) /Black=0.46} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.23"]
[Round "4.4"]
[White "Soares, Joao Carlos T. C."]
[Black "Alboredo, Julia"]
[Result "1/2-1/2"]
[ECO "D92"]
[WhiteElo "2064"]
[BlackElo "2252"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,80,0,-1,54,57,52,0,0,-4,-12,-6,-12,-12,-7,-23,-4,-4,-7,-3,-4,-6,-7,-24,-16,-25,-13,-30,-19,-29,-9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,0,-143,-152,-141,-16,-50,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:01:37]} Nf6 {[%emt 0:03:29]} 2. c4 {[%emt 0:00:14]} g6 {[%emt 0:00:29]} 3. Nf3 {[%emt 0:00:55]} Bg7 {[%emt 0:00:09]} 4. Nc3 {[%emt 0:00:41]} O-O {[%emt 0:00:33]} 5. Bf4 {[%emt 0:00:24]} d5 {[%emt 0:00:42]} 6. Rc1 {[%emt 0:03:49]} dxc4 {[%emt 0:01:35]} 7. e4 {[%emt 0:00:14]} c6 {[%emt 0:05:01] D92: Grünfeld: 4 Nf3 Bg7 5 Bf4.} (7... Bg4 $11) 8. Bxc4 $14 {[%emt 0:05:45]} Bg4 {[%emt 0:05:30]} 9. e5 {[%emt 0:09:26]} (9. Be2 $14) 9... Nd5 {[%emt 0:10:25]} 10. Bxd5 {[%emt 0:00:48]} cxd5 {[%emt 0:00:02] [#]} 11. h3 $146 {[%emt 0:10:53]} ({Predecessor:} 11. Qb3 Bxf3 12. gxf3 Nc6 13. Be3 Rb8 14. Qxd5 Qxd5 15. Nxd5 Rfd8 16. Rxc6 bxc6 17. Nxe7+ {½-½ (96) Kapetanovic,A (2465)-Kreiman,B (2445) Toronto 1998}) 11... Bxf3 {[%emt 0:00:53]} 12. Qxf3 {[%emt 0:00:19]} Nc6 {[%emt 0:03:06]} 13. Qd3 {[%emt 0:08:10]} e6 {[%emt 0:10:04]} 14. Be3 {[%emt 0:04:38]} f6 {[%emt 0:01:32]} 15. exf6 {[%emt 0:00:59]} Qxf6 {[%emt 0:00:29][%cal Rc6d4]} 16. Ne2 {[%emt 0:00:31][%cal Bc3e2,Be2g1,Bg1f3][%mdl 32]} Rad8 {[%emt 0:54:31]} 17. f4 {[%emt 0:11:34] Against e5} Qf5 {[%emt 0:00:00]} 18. Qd2 {[%emt 0:19:18]} Rc8 {[%emt 0:00:00]} 19. O-O {[%emt 0:00:30]} Rf7 {[%emt 0:00:00]} 20. Kh1 {[%emt 0:09:49]} Rfc7 {[%emt 0:00:00]} 21. Ng1 {[%emt 0:01:10]} Ne7 {[%emt 0:00:00]} 22. Rxc7 {[%emt 0:02:12]} Rxc7 {[%emt 0:00:00]} 23. Rc1 {[%emt 0:02:26] Inhibits Rc2.} Rxc1 {[%emt 0:00:00]} 24. Qxc1 {[%emt 0:00:01]} Nc6 {[%emt 0:00:00]} 25. Nf3 {[%emt 0:00:40]} h6 {[%emt 0:00:00]} 26. Ne5 {[%emt 0:01:04]} Qe4 {[%emt 0:00:00]} 27. a3 {[%emt 0:04:28]} Kh7 {[%emt 0:00:00]} ({Don't do} 27... Nxe5 28. fxe5 Kh7 29. Bg1 $16) 28. Nxc6 {[%emt 0:00:22]} bxc6 {[%emt 0:00:00]} 29. Qd2 {[%emt 0:00:28]} Qb1+ {[%emt 0:00:00]} 30. Kh2 {[%emt 0:00:19]} Qf1 {[%emt 0:00:00]} 31. Bf2 {[%emt 0:00:59]} Qb1 {[%emt 0:00:24]} 32. Qe2 {[%emt 0:00:31]} Qf5 {[%emt 0:00:18]} 33. Qd2 {[%emt 0:00:17]} Qe4 {[%emt 0:00:32]} 34. Be3 {[%emt 0:01:00]} h5 {[%emt 0:00:21]} 35. g4 {[%emt 0:00:24]} (35. Kh1 $11) 35... hxg4 $17 {[%emt 0:01:08]} 36. hxg4 {[%emt 0:00:01] [#]} Qf3 {[%emt 0:00:30]} (36... g5 $1 $17 {[%cal Rg5f4]} 37. fxg5 e5) 37. g5 $11 {[%emt 0:00:30]} Bf8 {[%emt 0:00:42]} ({Black should play} 37... Kg8 $15) 38. Qf2 {[%emt 0:00:16] The position is equal.} Qxf2+ {[%emt 0:02:35]} 39. Bxf2 {[%emt 0:00:01]} Bd6 {[%emt 0:00:18]} 40. Kg3 {[%emt 0:00:12]} Kg7 {[%emt 0:00:07] Weighted Error Value: White=0.12 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.23"]
[Round "4.5"]
[White "Aranha Filho, Alvaro Z."]
[Black "Nemeth Junior, Henrique"]
[Result "1-0"]
[ECO "E13"]
[WhiteElo "2226"]
[BlackElo "2096"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,85,10,3,22,40,44,51,43,50,83,68,77,61,73,0,29,3,35,17,64,62,68,57,68,27,26,26,20,0,0,0,0,0,0,0,0,0,0,0,0,27,14,0,78,73,162,157,214,157,255,0,7,-268,138,72,79,20,139,132,231,243,633,604,29978,29979,29986,29987,29998,29996,29998,29996,29996,29997]} 1. d4 {[%emt 0:02:53]} Nf6 {[%emt 0:01:54]} 2. c4 {[%emt 0:00:22]} e6 {[%emt 0:00:03]} 3. Nc3 {[%emt 0:01:10]} Bb4 {[%emt 0:00:05]} 4. Qc2 {[%emt 0:00:30]} O-O {[%emt 0:00:26]} 5. Nf3 {[%emt 0:00:06]} b6 {[%emt 0:01:42]} 6. Bg5 {[%emt 0:03:20][%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} h6 {[%emt 0:00:29]} 7. Bh4 {[%emt 0:00:36]} Bb7 {[%emt 0:01:39]} 8. e3 {[%emt 0:00:16]} g5 {[%emt 0:05:08] E13: Queen's Indian/Nimzo-Indian hybrid: 4 Nc3 Bb7 5 Bg5 h6 6 Bh4 Bb4.} 9. Bg3 {[%emt 0:00:30]} Ne4 {[%emt 0:00:17]} 10. Nd2 {[%emt 0:02:54]} Bxc3 {[%emt 1:23:47] White is slightly better.} 11. bxc3 {[%emt 0:00:22]} f5 {[%emt 0:00:13]} 12. f3 {[%emt 0:02:11]} Nxg3 {[%emt 0:09:43]} 13. hxg3 {[%emt 0:00:31]} Qf6 {[%emt 0:00:34] [#]} 14. Kf2 $146 {[%emt 0:17:33]} (14. O-O-O $16) ({Predecessor:} 14. Bd3 c5 15. g4 cxd4 16. cxd4 Nc6 17. Rb1 Rac8 18. gxf5 exf5 19. d5 Ne5 20. Qb3 {½-½ (41) Sodoma,J (2376)-Grabliauskas,V (2426) Ohrid 2009}) 14... Nc6 {[%emt 0:16:39]} 15. f4 {[%emt 0:03:30]} Rae8 {[%emt 0:13:19]} 16. Be2 {[%emt 0:05:12]} Kg7 {[%emt 0:11:21]} (16... Qg7 $11) 17. Rh5 {[%emt 0:07:09]} Rh8 {[%emt 0:01:25]} 18. Rah1 {[%emt 0:02:27]} d6 {[%emt 0:02:10]} 19. Nf3 {[%emt 0:03:01]} g4 {[%emt 0:01:40]} 20. Nd2 {[%emt 0:00:51]} Ne7 {[%emt 0:00:51]} 21. Bd3 {[%emt 0:09:46]} c5 {[%emt 0:00:29]} 22. d5 {[%emt 0:17:25]} exd5 {[%emt 0:04:24]} (22... Ng8 {seems wilder.} 23. e4 Qe7 24. e5 dxe5 25. fxe5 exd5 26. Rxf5 Rf8) 23. Bxf5 {[%emt 0:01:19]} Nxf5 {[%emt 0:00:50]} 24. Qxf5 {[%emt 0:00:37] Chess con chili.} Qxf5 {[%emt 0:01:06]} 25. Rxf5 {[%emt 0:00:02]} dxc4 {[%emt 0:01:44]} 26. Nxc4 {[%emt 0:02:03]} Be4 {[%emt 0:01:41]} 27. Rfh5 {[%emt 0:00:27]} Bg6 {[%emt 0:00:13]} 28. R5h4 {[%emt 0:00:47]} h5 {[%emt 0:01:36]} (28... d5 $11 29. Rxg4 h5) 29. Rd1 $16 {[%emt 0:00:27]} d5 {[%emt 0:04:53]} (29... Rd8 $16) 30. Rxd5 $18 {[%emt 0:00:42]} Rd8 {[%emt 0:01:41]} (30... Kf6 $16 31. Ne5 Bf5) 31. Nd6 {[%emt 0:06:46]} b5 {[%emt 0:01:15]} (31... Kf8 $16) 32. f5 $2 {[%emt 0:01:34]} (32. Rh1 $18) 32... Bf7 $11 {[%emt 0:00:29]} 33. Rd2 {[%emt 0:03:14][%mdl 8192]} (33. f6+ $11 {and White is okay.} Kxf6 34. Rf5+ Ke6 35. Nxf7 Kxf5 36. Nxd8 Rxd8 37. Rxh5+ Ke4 38. Ke2) 33... Bxa2 $2 {[%emt 0:01:11]} 34. Rxa2 {[%emt 0:00:48]} (34. e4 $142) 34... Rxd6 $16 {[%emt 0:00:04] [#]} 35. Rxa7+ $19 {[%emt 0:00:34][%mdl 4096] Endgame KRR-KRR} (35. e4 $1 $16) 35... Kf6 {[%emt 0:00:05]} (35... Kh6 $1 $11) 36. e4 $16 {[%emt 0:02:40][%cal Be3e4,Be4e5][%mdl 32] Black must now prevent Rh1.} c4 {[%emt 0:00:41] [#]} (36... b4 $16 {was worth a try.}) 37. Ke3 $1 $18 {[%emt 0:00:31] Strongly threatening Kf4.} Kg5 {[%emt 0:01:09]} (37... Rd3+ $2 38. Kf4 Re3 39. Kxe3 $18) (37... Ke5) 38. Rg7+ {[%emt 0:00:31]} Kh6 {[%emt 0:00:03]} 39. Rgxg4 {[%emt 0:00:45] White mates.} Re8 {[%emt 0:00:41]} 40. Kf4 {[%emt 0:00:36]} b4 {[%emt 0:01:24]} 41. e5 {[%emt 0:00:23]} Rc6 {[%emt 0:00:33]} 42. Rg5 {[%emt 0:00:48][%csl Gg5][%cal Rh4h5]} Kh7 {[%emt 0:00:09]} 43. f6 {[%emt 0:03:51] Weighted Error Value: White=0.37/Black=0.71} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.23"]
[Round "4.6"]
[White "Oliveira, Tiago Batista"]
[Black "Rangel, Daniel"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2033"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,84,0,-2,6,0,0,0,20,-8,0,-37,-28,-29,-29,-35,-31,-28,-22,-33,-35,-98,-104,-93,-96,-92,-113,-148,-143,-141,-137,-140,-129,-126,-108,-108,-106,-98,-92,-170,-106,-162,-173,-179,-168,-172,-171,-247,-252,-413,-413,-413,-397,-461,-458,-553,-545,-720,-716,-676,-562,-519,-530,-648,-646,-919,-893,-822,-796]} 1. Nf3 {[%emt 1:31:00]} Nf6 {[%emt 1:31:00]} 2. d4 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 3. c4 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 4. Nc3 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 5. e4 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 6. Be2 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 7. Be3 {[%emt 0:00:30]} Na6 {[%emt 0:00:30]} 8. dxe5 {[%emt 0:00:30]} dxe5 {[%emt 0:00:30]} 9. Qxd8 {[%emt 0:00:30]} Rxd8 {[%emt 0:00:30]} 10. O-O {[%emt 0:00:30]} Ng4 {[%emt 0:00:30][%cal Bf6g4,Bg4h6,Bh6f7,Bf7d6][%mdl 32] E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} (10... b6 $5 {[%cal Rc8b7]}) 11. Bg5 {[%emt 0:00:30]} (11. Rfd1 {feels hotter.} Rxd1+ 12. Rxd1 Nxe3 13. Rd8+) 11... f6 {[%emt 0:00:30]} 12. Bd2 {[%emt 0:00:30]} Be6 {[%emt 0:00:30] The position is equal.} 13. h3 {[%emt 0:00:30]} Nh6 {[%emt 0:00:30] [#]} 14. Nd5 $146 {[%emt 0:00:30]} ({Predecessor:} 14. Be3 Nf7 15. Rad1 Bh6 16. Bxh6 Nxh6 17. Rxd8+ Rxd8 18. Rd1 Rxd1+ 19. Nxd1 Nf7 20. Nc3 {0-1 (32) Prieto Aranguren,A (2289)-Grigoryan,K (2601) Getxo 2019}) 14... Nf7 {[%emt 0:00:30]} 15. Be3 {[%emt 0:00:30]} Nd6 {[%emt 0:00:30]} 16. Nd2 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 17. Nc3 {[%emt 0:00:30]} Nb4 {[%emt 0:00:30]} 18. Rac1 {[%emt 0:00:30] Against Nc2} Nf7 {[%emt 0:00:30]} 19. Na4 {[%emt 0:00:30]} (19. Nf3 $15) 19... Nxa2 $17 {[%emt 0:00:30]} 20. Ra1 {[%emt 0:00:30] [#] Hoping for Nc5.} Nb4 {[%emt 0:00:30] ...Nc2 is the strong threat.} 21. Nc5 {[%emt 0:00:30][%csl LRb7,LRe6]} Bc8 {[%emt 0:00:30]} 22. Rfc1 {[%emt 0:00:30] Inhibits Nc2.} b6 {[%emt 0:00:30]} 23. Ncb3 {[%emt 0:00:30][%cal Oe3b6]} c5 {[%emt 0:00:30] aiming for ...Bb7.} 24. Nb1 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 25. Nc3 {[%emt 0:00:30]} Nd4 {[%emt 0:00:30]} 26. Bxd4 {[%emt 0:00:30]} exd4 {[%emt 0:00:30]} 27. Nd5 {[%emt 0:00:30]} Bb7 $36 {[%emt 0:00:30][%cal Bc8b7,Bb7e4,Be4c2][%mdl 2080] Strongly threatening ...f5. Black is in control.} 28. Nc7 {[%emt 0:00:30] [#]} (28. Re1 $17) 28... Rac8 {[%emt 0:00:30]} ({Weaker is} 28... Bxe4 29. Nxa8 Rxa8 30. Nd2 $17) ({Better is} 28... Rab8 $1 $19 {Threatens to win with ...Bh6.} 29. Nd5 Re8) 29. Ne6 {[%emt 0:00:30]} (29. Nd5 $17 {is a better defense.}) 29... Re8 $19 {[%emt 0:00:30]} ({Stronger than} 29... Bxe4 30. Nxd8 Rxd8 31. Nd2 $15) 30. Nxg7 {[%emt 0:00:30]} Kxg7 {[%emt 0:00:30]} 31. Rxa7 {[%emt 0:00:30]} Bxe4 {[%emt 0:00:30]} ({Don't do} 31... Rxe4 32. Bf3 Bc6 33. Bxe4 Bxe4 34. Nd2 $16) 32. Bf1 {[%emt 0:00:30]} (32. f3 $142 Ra8 33. Rxf7+ Kxf7 34. fxe4) 32... Ra8 {[%emt 0:00:30]} 33. Rca1 {[%emt 0:00:30]} (33. Rc7 {is the only way for White.}) 33... Rxa7 {[%emt 0:00:30]} 34. Rxa7 {[%emt 0:00:30]} Bc2 {[%emt 0:00:30]} 35. Nd2 {[%emt 0:00:30]} Re1 {[%emt 0:00:30] Black is clearly winning.} 36. Nf3 {[%emt 0:00:30]} Rb1 {[%emt 0:00:30]} 37. Rb7 {[%emt 0:00:30]} Bd3 {[%emt 0:00:30]} 38. Nh2 {[%emt 0:00:30]} Bxf1 {[%emt 0:00:30]} 39. Nxf1 {[%emt 0:00:30]} Rxb2 {[%emt 0:00:30]} 40. Ng3 {[%emt 0:00:30]} f5 {[%emt 0:00:30] Prevents Ne4.} 41. Kf1 {[%emt 0:00:30]} Kf6 {[%emt 0:00:30]} 42. Ke1 {[%emt 0:00:30]} Ne5 {[%emt 0:00:30] Weighted Error Value: White=0.40/Black=0.09 (flawless)} 0-1

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "5.1"]
[White "Rodriguez Vila, Andres"]
[Black "Ribeiro, Matheus Mendes Domin"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2435"]
[BlackElo "2168"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,77,8,-13,-22,-15,-8,-6,-11,-5,24,22,23,21,18,20,25,24,30,27,45,49,62,54,97,108,108,118,238,233,228,201,191,198,270,252,246,259,362,384,429,290,454,468,465,455,419,466,461,466,465,417,593,572,550,533,518,516,608,583,684,677,654,652,870,866,5010,-531]} 1. e4 {[%emt 0:00:23]} c5 {[%emt 0:00:16]} 2. Nc3 {[%emt 0:00:19]} e6 {[%emt 0:00:15][%cal Be7e6,Be6d5,Bd5d4][%mdl 32]} 3. Nf3 {[%emt 0:00:32]} Nc6 {[%emt 0:00:07]} 4. g3 {[%emt 0:00:06]} Nf6 {[%emt 0:07:22]} 5. Bg2 {[%emt 0:00:07]} d5 {[%emt 0:01:33]} 6. exd5 {[%emt 0:00:12]} exd5 {[%emt 0:01:55]} 7. O-O {[%emt 0:01:05]} d4 {[%emt 0:04:42] B40: Sicilian: 2...e6, Unusual lines.} 8. Re1+ {[%emt 0:00:05]} Be7 {[%emt 0:00:11]} 9. Ne2 {[%emt 0:00:03]} O-O {[%emt 0:01:03] The position is equal.} 10. d3 {[%emt 0:00:03]} Nd5 {[%emt 0:04:13]} 11. Nf4 {[%emt 0:01:32][%cal Of3d4]} Nxf4 {[%emt 0:02:17]} 12. Bxf4 {[%emt 0:00:03] [#]} Be6 $146 {[%emt 0:07:48]} ({Predecessor:} 12... Nb4 13. Ne5 Nd5 14. Bd2 Be6 15. c4 dxc3 16. bxc3 Qc7 17. c4 Nb4 18. a3 Nc6 19. Nxc6 bxc6 {½-½ (49) Galego,L (2467)-Kogan,A (2517) Lisbon 2001}) 13. Ne5 {[%emt 0:02:35]} Nxe5 {[%emt 0:01:44]} 14. Bxe5 {[%emt 0:00:02]} Bd6 {[%emt 0:05:50]} 15. Qh5 {[%emt 0:04:14]} Bxe5 {[%emt 0:02:25]} 16. Rxe5 {[%emt 0:00:24]} g6 {[%emt 0:03:45]} 17. Qh6 {[%emt 0:00:36]} Qd6 {[%emt 0:02:34] White leaves nothing to chance now.} 18. Rae1 {[%emt 0:01:57] Threatens to win with R5e4.} Rae8 {[%emt 0:02:46]} 19. Bxb7 {[%emt 0:02:18] &Bianco is more active.} Rb8 {[%emt 0:03:55] [#]} (19... Bd7 $16 20. Rxe8 Rxe8 21. Rxe8+ Bxe8) 20. Bd5 $1 $18 {[%emt 0:03:21][%cal Rd5e6][%mdl 512]} Rfe8 {[%emt 0:10:55]} (20... Bxd5 $2 {[#]} 21. Rh5 $3 {[%mdl 512]} gxh5 22. Qxd6 $18) 21. b3 {[%emt 0:01:23]} Bd7 {[%emt 0:03:26]} 22. Qf4 {[%emt 0:03:10]} ({Don't do} 22. Bxf7+ $6 Kxf7 23. Qxh7+ Kf8 $16) 22... Rf8 {[%emt 0:04:27] [#]} (22... Rxe5 $142 23. Rxe5 (23. Bxf7+ Kg7 $17) 23... Rf8) 23. Rf5 $3 {[%emt 0:08:09][%mdl 512]} Qxf4 {[%emt 0:02:15]} 24. Rxf4 {[%emt 0:00:03]} Kg7 {[%emt 0:07:19]} 25. Re7 $1 {[%emt 0:00:42][%csl LRd7,LRf7]} Bf5 {[%emt 0:00:23]} 26. Rxa7 {[%emt 0:01:16] aiming for g4.} Rbe8 {[%emt 0:05:12]} (26... Rbd8 {was worth a try.}) 27. g4 {[%emt 0:00:46]} Re5 {[%emt 0:00:40]} 28. Bc4 {[%emt 0:01:20]} ({Less strong is} 28. gxf5 Rxd5 29. fxg6 Kxg6 $18) 28... Be6 {[%emt 0:03:31]} 29. Bxe6 {[%emt 0:00:07]} Rxe6 {[%emt 0:00:02][%mdl 4096] Endgame KRR-KRR} 30. Rc7 {[%emt 0:00:08]} Re5 {[%emt 0:01:03]} 31. Kg2 {[%emt 0:01:01]} Kh6 {[%emt 0:00:42]} (31... h5 $142 32. a4 hxg4) 32. h4 {[%emt 0:00:30] White is clearly winning.} g5 {[%emt 0:00:57]} 33. hxg5+ {[%emt 0:00:33]} Kxg5 {[%emt 0:00:07]} 34. Kg3 {[%emt 0:00:22]} h5 {[%emt 0:00:39]} 35. gxh5 {[%emt 0:00:38]} Kxh5 {[%emt 0:00:02]} 36. Rcxf7 {[%emt 0:00:35]} Rg8+ {[%emt 0:00:54]} 37. Kf3 {[%emt 0:00:23]} Rgg5 {[%emt 0:00:19]} 38. R4f6 {[%emt 0:00:18][%cal Rf7h7]} Rg1 {[%emt 0:11:56]} 39. Rg7 $4 {[%emt 1:08:39][%mdl 40960] Weighted Error Value: White=0.10 (very precise) /Black=0.35. Loss on time!?} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "5.2"]
[White "Rangel, Daniel"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "2207"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 24,78,22,0,0,0,0,-13,0,0,0,0,0,0,22,29,27,26,26,-20,-11,-17,-16,-12,-20,-32,-15,-26,-23,-121,-62,-69,-68,-65,-66,-70,-63,-42,-64,-47,-54,-261,-81,-515,-490,-4133,-2731,-1349,-905,-29986,-29986,-29986,-29985,-29985,-29986,-29986,-29987]} 1. d4 {[%emt 0:00:04]} c5 {[%emt 0:01:14]} 2. d5 {[%emt 0:00:17]} g6 {[%emt 0:00:21]} 3. c4 {[%emt 0:00:09]} d6 {[%emt 1:30:25]} 4. e4 {[%emt 0:01:00]} Bg7 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:52]} Nf6 {[%emt 0:00:00]} 6. Nf3 {[%emt 0:00:50]} O-O {[%emt 0:00:00]} 7. Bd3 {[%emt 0:01:15]} e6 {[%emt 0:00:00]} 8. O-O {[%emt 0:01:59]} exd5 {[%emt 0:00:00]} 9. cxd5 {[%emt 0:00:07]} Bg4 {[%emt 0:00:00]} 10. h3 {[%emt 0:00:52]} Bxf3 {[%emt 0:00:00]} 11. Qxf3 {[%emt 0:00:04]} Nbd7 {[%emt 0:00:00]} 12. Qd1 {[%emt 0:06:29]} a6 {[%emt 0:00:00]} 13. a4 {[%emt 0:01:58]} Rc8 {[%emt 0:00:00] A70: Modern Benoni: 6 e4 g6 7 Nf3.} 14. Re1 {[%emt 0:04:07]} Re8 {[%emt 0:00:00]} 15. Bg5 {[%emt 0:21:47]} c4 {[%emt 0:00:00] The position is equal.} 16. Bc2 {[%emt 0:01:54]} Qc7 {[%emt 0:00:00] [#]} 17. Be3 $146 {[%emt 0:08:09]} ({Predecessor:} 17. a5 Nc5 18. Re3 Nfd7 19. Bf4 Ne5 20. Bxe5 Bxe5 21. f4 Bxf4 22. Rf3 Be5 23. Qf1 {0-1 (61) Gazo,D (1810)-Tomcik,M (2024) Zilina 2014}) 17... Qd8 {[%emt 0:00:00]} 18. Bd4 {[%emt 0:08:14]} Nh5 {[%emt 0:00:00]} 19. Bxg7 {[%emt 0:00:25]} Kxg7 {[%emt 0:00:00]} 20. g3 {[%emt 0:00:37]} Qb6 {[%emt 0:00:00]} 21. Rb1 {[%emt 0:06:23]} (21. a5 {is superior.} Qxb2 22. Qd2) 21... Qc5 $11 {[%emt 0:00:00]} ({But not} 21... Nxg3 22. a5 (22. Qg4 Nxe4 23. Bxe4 Nf6 $16) 22... Qxa5 23. fxg3 $16) 22. Kg2 {[%emt 0:02:46]} b5 {[%emt 0:00:00]} 23. axb5 {[%emt 0:00:09]} axb5 {[%emt 0:00:00]} 24. Ne2 {[%emt 0:02:37]} b4 {[%emt 0:00:00] White must now prevent ...b3.} 25. Ba4 {[%emt 0:01:13]} Nhf6 {[%emt 0:00:00]} 26. Nd4 {[%emt 0:09:57]} (26. f3 $11) 26... Rc7 {[%emt 0:00:00]} (26... Rcd8 $1 $17 27. f3 Nxd5 $1 28. Bxd7 Rxd7) 27. f3 $15 {[%emt 0:08:57]} Ra8 {[%emt 0:00:00][%cal Oa8a4]} 28. Bxd7 {[%emt 0:00:40]} Nxd7 {[%emt 0:00:00]} 29. Nc6 {[%emt 0:00:50] Inhibits Rca7.} Ra2 {[%emt 0:00:00]} 30. Re2 {[%emt 0:00:18]} Ne5 {[%emt 0:00:00]} 31. Nxe5 {[%emt 0:01:36]} dxe5 {[%emt 0:00:00]} 32. Rc1 $2 {[%emt 0:02:31] [#]} ({White should try} 32. g4 $15) 32... Rca7 $2 {[%emt 0:00:00]} (32... c3 $1 $19 33. bxc3 Rca7) 33. Qb3 $2 {[%emt 0:05:24][%mdl 8192]} c3 $19 {[%emt 0:00:00] Threatens to win with ...Ra1.} ({Not} 33... cxb3 34. Rxc5 Rxb2 35. Rxb2 $11) 34. Rcc2 {[%emt 0:00:32]} (34. Rce1 $142 Qd4 35. bxc3 Rxe2+ 36. Rxe2 bxc3 37. Qb1) 34... Ra1 {[%emt 0:00:00][%csl Ga1][%cal Rc5g1,Ba2a1,Ba1b1,Bb1g1][%mdl 32]} 35. Rf2 {[%emt 0:00:08]} Rb1 {[%emt 0:00:00] ( -> ...Raa1)} 36. Rce2 {[%emt 0:01:22]} Raa1 {[%emt 0:00:00] Black mates.} 37. f4 {[%emt 0:00:09]} Rg1+ {[%emt 0:00:00]} 38. Kf3 {[%emt 0:00:06]} cxb2 {[%emt 0:00:00]} 39. Qxb2 {[%emt 0:02:27]} Ra3+ {[%emt 0:00:00] Weighted Error Value: White=0.88/Black=0.12 (very precise)} 0-1

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.23"]
[Round "5.3"]
[White "Abrantes, Tiago Garrido"]
[Black "Aranha Filho, Alvaro Z."]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2178"]
[BlackElo "2226"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,24,41,48,34,36,28,36,40,32]} 1. d4 {[%emt 0:00:40]} Nf6 {[%emt 0:00:19]} 2. c4 {[%emt 0:00:21]} e6 {[%emt 0:00:05]} 3. g3 {[%emt 0:01:58]} Bb4+ {[%emt 0:00:12]} 4. Bd2 {[%emt 0:00:10]} a5 {[%emt 0:00:19]} 5. Bg2 {[%emt 0:01:32]} O-O {[%emt 0:00:41]} 6. Nf3 {[%emt 0:00:59]} d6 {[%emt 0:01:57]} 7. O-O {[%emt 0:01:17]} Bxd2 {[%emt 0:02:31]} 8. Qxd2 {[%emt 0:00:14]} Nbd7 {[%emt 0:00:10]} 9. Nc3 {[%emt 0:00:33]} e5 {[%emt 0:00:23]} 10. h3 {[%emt 0:03:06] E11: Bogo-Indian.} Re8 {[%emt 0:00:35]} 11. e4 {[%emt 0:00:35]} exd4 {[%emt 0:02:41]} 12. Nxd4 {[%emt 0:01:41]} Nc5 {[%emt 0:01:03] [#] Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.07 (flawless) /Black=0.03 (flawless)} {Predecessor:} 13. Rfe1 $146 Ne6 14. Rad1 Nxd4 15. Qxd4 Be6 16. b3 h5 17. f4 h4 18. f5 Bd7 19. g4 {0-1 (54) Hall,D (1722)-Grice,A (1570) Harrogate 2020} 1/2-1/2

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "5.4"]
[White "Alboredo, Julia"]
[Black "Librelato, Kathie Goulart"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2252"]
[BlackElo "2156"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 24,63,39,35,64,65,60,41,29,38,55,18,12,8,16,16,26,17,16,0,17,0,0,0,0,0,0,0,0,0,0,0,3,-99,-85,-79,0,0,0,0,0,0]} 1. d4 {[%emt 1:31:00]} Nf6 {[%emt 1:31:00]} 2. c4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} Bb4+ {[%emt 0:00:30]} 4. Bd2 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 5. g3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 6. Nc3 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 7. Bg2 {[%emt 0:00:30]} Bxc3 {[%emt 0:00:30]} 8. Bxc3 {[%emt 0:00:30]} Ne4 {[%emt 0:00:30]} 9. Rc1 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 10. d5 {[%emt 0:00:30]} Nxc3 {[%emt 0:00:30]} 11. Rxc3 {[%emt 0:00:30]} Nb8 {[%emt 0:00:30]} 12. dxe6 {[%emt 0:00:30]} fxe6 {[%emt 0:00:30]} 13. O-O {[%emt 0:00:30][%cal Oc4c5]} Nc6 {[%emt 0:00:30] E11: Bogo-Indian.} 14. Nd4 {[%emt 0:00:30] [#]} Ne5 $146 {[%emt 0:00:30]} ({Predecessor:} 14... Bd7 15. Nc2 Rad8 16. Qd2 b6 17. b4 a5 18. a3 Kh8 19. e4 e5 20. b5 Nb8 {½-½ (38) Nihal,S (2610)-Ivanchuk,V (2684) Leon 2019}) 15. Qc2 {[%emt 0:00:30]} c5 {[%emt 0:00:30] White is slightly better.} 16. Nf3 {[%emt 0:00:30][%cal Bd4f3,Bf3d2,Bd2e4][%mdl 32] Black must now prevent Nxe5.} Nc6 {[%emt 0:00:30]} 17. e3 {[%emt 0:00:30]} Bd7 {[%emt 0:00:30]} 18. a3 {[%emt 0:00:30]} Be8 {[%emt 0:00:30]} 19. Nd2 {[%emt 0:00:30]} Bg6 {[%emt 0:00:30]} 20. Be4 {[%emt 0:00:30]} Bxe4 {[%emt 0:00:30]} 21. Nxe4 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 22. Rd1 {[%emt 0:00:30]} Rad8 {[%emt 0:00:30]} 23. Rcd3 {[%emt 0:00:30] Prevents d5.} Ne5 {[%emt 0:00:30][%cal Bc6e5,Be5f3,Bf3h2,Bh2g4][%mdl 32]} 24. Rxd6 {[%emt 0:00:30]} Rxd6 {[%emt 0:00:30]} 25. Rxd6 {[%emt 0:00:30]} Nf3+ {[%emt 0:00:30]} 26. Kf1 $1 {[%emt 0:00:30]} Nxh2+ {[%emt 0:00:30]} 27. Ke2 {[%emt 0:00:30]} Qf7 {[%emt 0:00:30]} 28. Kd1 {[%emt 0:00:30]} (28. f4 $11 {remains equal.}) 28... Ng4 $17 {[%emt 0:00:30]} 29. Kc1 {[%emt 0:00:30]} Qf5 {[%emt 0:00:30] Prevents Ng5.} (29... Nxf2 $17 {Hoping for ...Ng4.} 30. Qxf2 Qxf2 31. Nxf2 Rxf2 32. Rxe6 Rg2) 30. Rd2 $11 {[%emt 0:00:30] The position is equal.} h6 {[%emt 0:00:30]} 31. Kb1 {[%emt 0:00:30]} Ne5 {[%emt 0:00:30]} 32. Kc1 {[%emt 0:00:30] Weighted Error Value: White=0.14 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "5.5"]
[White "Marcolino, Daniel Mattos"]
[Black "Soares, Joao Carlos T. C."]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2035"]
[BlackElo "2064"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,56,10,13,15,12,9,37,25,44,-140,-129,-118,12,22,29,8,10,-25,24,-33,6,-4,0,-78,-86,-203,-212,-168,-192,-242,-190,-232,-252,-566,-369,-337,-349,-558,-184,-166,-174,-908,808,543,1263]} 1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:07:47]} 2. Nf3 {[%emt 0:00:05]} e6 {[%emt 0:00:56]} 3. g3 {[%emt 0:00:08]} d5 {[%emt 0:00:06]} 4. Bg2 {[%emt 0:00:10]} Be7 {[%emt 0:00:08]} 5. O-O {[%emt 0:00:07]} O-O {[%emt 0:00:06]} 6. c4 {[%emt 0:00:21]} dxc4 {[%emt 0:00:38]} 7. Qc2 {[%emt 0:00:38]} b5 {[%emt 0:01:54]} 8. a4 {[%emt 0:06:36] E05: Open Catalan: 5 Nf3 Be7.} b4 {[%emt 0:00:27]} 9. Nfd2 {[%emt 0:00:16]} Nd5 $1 {[%emt 0:01:37][%mdl 4] is more profitable than 9...c6 at the moment.} 10. Nxc4 {[%emt 0:02:40] White is slightly better.} Ba6 {[%emt 0:04:34] [#]} 11. e4 $146 {[%emt 0:05:15]} (11. Rd1 $14 {stays ahead.}) ({Predecessor:} 11. Rd1 c5 12. e4 Nf6 13. dxc5 Nbd7 14. c6 Rc8 15. e5 Nd5 16. Ne3 Nxe5 17. Nxd5 exd5 18. Bxd5 {0-1 (61) Iniyan,P (2516)-Ganguly,S (2609) chess24.com INT 2022}) 11... Nb6 $17 {[%emt 0:05:27]} 12. Nxb6 {[%emt 0:03:23]} axb6 {[%emt 0:01:33]} (12... cxb6 $17 13. Rd1 Nc6 $1) 13. Rd1 $1 $11 {[%emt 0:01:00]} Nd7 {[%emt 0:01:52]} 14. Bf4 {[%emt 0:17:17]} c5 {[%emt 0:13:39] aiming for ...cxd4.} 15. dxc5 {[%emt 0:17:20]} bxc5 {[%emt 0:03:02]} (15... Bxc5 {was preferrable.} 16. Qb3 Be2) 16. e5 {[%emt 0:04:07]} (16. h4 $11) 16... Ra7 {[%emt 0:06:06]} 17. h4 {[%emt 0:00:25]} Qc8 {[%emt 0:11:40]} 18. Be4 {[%emt 0:01:24]} (18. Nd2 $11) 18... h6 {[%emt 0:01:08] And now ...g5 would win.} 19. h5 {[%emt 0:02:59] [#]} (19. Bh7+ $17 Kh8 20. Bd3) 19... c4 $1 $19 {[%emt 0:05:20]} 20. Nd2 {[%emt 0:20:08]} Nc5 {[%emt 0:02:20]} 21. Bg2 {[%emt 0:00:42]} (21. Be3 {was necessary.}) 21... Nd3 {[%emt 0:02:48]} 22. Be3 {[%emt 0:03:21]} Rd7 {[%emt 0:08:42]} 23. Nf3 $2 {[%emt 0:00:43]} (23. Ne4 {is more resistant.}) 23... Bc5 {[%emt 0:04:07]} 24. Bxc5 {[%emt 0:02:51]} Qxc5 {[%emt 0:00:21]} 25. b3 {[%emt 0:05:01]} (25. Ne1 {might work better.} Qxe5 26. Nxd3 Rxd3 27. Rab1) 25... cxb3 $2 {[%emt 0:08:38]} (25... c3 26. a5 Rfd8) 26. Qxc5 {[%emt 0:00:12]} Nxc5 {[%emt 0:00:08]} 27. Rd4 $2 {[%emt 0:06:47]} (27. Rxd7 Nxd7 28. Rb1) 27... Rd6 $4 {[%mdl 8192]} 28. Rxd6 {[%emt 0:00:00]} Nd7 {[%emt 0:00:33][%mdl 32768] Never resign too early!  Weighted Error Value: White=0.84/Black=0.53. Loss on time!?} 0-1

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "5.6"]
[White "Mekhitarian, Krikor Sevag"]
[Black "Sztokbant, Bernardo Vainzoff"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2569"]
[BlackElo "2190"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,91,29,18,22,19,37,33,39,27,33,30,32,31,27,9,46,43,56,47,57,33,56,43,66,67,72,67,116,0,85,75,113,110,143,118,135,108,133,133,131,128,260,223,212,179,233,222,244,248,214,174,192,0,197,91,244,255,289,282,278,268,286,306,300,311,429,398,342,301,729,692,718,705,29984,29985,29985,29986,29986,702]} 1. d4 {[%emt 0:06:14] Krasenkow,Michal} d5 {[%emt 0:00:42]} 2. c4 {[%emt 0:00:16]} e6 {[%emt 0:01:07]} 3. Nc3 {[%emt 0:03:28]} Be7 {[%emt 0:00:47]} 4. cxd5 {[%emt 0:02:30]} exd5 {[%emt 0:00:11]} 5. Bf4 {[%emt 0:00:02]} c6 {[%emt 0:00:41]} 6. e3 {[%emt 0:00:01]} Bd6 {[%emt 0:08:23]} 7. Bxd6 {[%emt 0:01:49]} Qxd6 {[%emt 0:00:09]} 8. Bd3 {[%emt 0:00:02]} Ne7 {[%emt 0:01:23] D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} 9. Qc2 {[%emt 0:01:49]} g6 {[%emt 0:01:59]} 10. f3 {[%emt 0:00:07]} Nd7 {[%emt 0:04:41] White is slightly better.} 11. Nge2 {[%emt 0:11:27]} Nb6 {[%emt 0:15:22] [#]} 12. O-O $146 {[%emt 0:11:22]} ({Predecessor:} 12. e4 Qf6 13. O-O O-O 14. Rae1 Qh4 15. Qc1 Bd7 16. g3 Qf6 17. e5 Qg7 18. Nf4 {1-0 (50) Onischuk,A (2699)-Kovacs,G (2516) Ohrid 2009 CBM 133 [Krasenkow,Michal]}) 12... O-O {[%emt 0:11:51]} 13. Rad1 {[%emt 0:07:01]} Be6 {[%emt 0:03:51]} 14. e4 {[%emt 0:04:30]} f6 {[%emt 0:03:15]} 15. Qc1 {[%emt 0:01:24]} Kg7 {[%emt 0:01:44]} 16. Nf4 {[%emt 0:17:56]} Bg8 {[%emt 0:06:58]} 17. Kh1 {[%emt 0:02:21]} Rfe8 {[%emt 0:08:34]} 18. Rfe1 {[%emt 0:01:52]} Nd7 {[%emt 0:04:39] Prevents e5.} 19. Bc2 {[%emt 0:01:50][%cal Oe4e5]} Rad8 {[%emt 0:04:26]} 20. Bb3 {[%emt 0:03:26]} Nb6 {[%emt 0:05:16]} (20... Kh8 $14) 21. Bc2 {[%emt 0:04:53]} (21. e5 $16 Qb8 22. exf6+ Kxf6 23. Re2) 21... Qd7 {[%emt 0:06:22]} (21... Nd7 $1 $11 {keeps the balance.}) 22. b3 {[%emt 0:02:20]} Nbc8 {[%emt 0:02:43]} 23. e5 {[%emt 0:08:43]} Rf8 {[%emt 0:02:22]} 24. Nd3 $36 {[%emt 0:02:59][%mdl 2048] White is on the roll. &Bianco is much more active. The black rooks are badly placed.} b6 {[%emt 0:00:56]} 25. Re2 {[%emt 0:00:46]} fxe5 {[%emt 0:02:12]} 26. Nxe5 {[%emt 0:00:09]} Qd6 {[%emt 0:00:19]} 27. Rde1 {[%emt 0:01:45]} h5 {[%emt 0:02:02]} (27... Kh8 $16 {was called for.} 28. Qd1 Qf6) 28. Nd1 {[%emt 0:01:37][%cal Bc3d1,Bd1f2,Bf2h3,Bh3g5][%mdl 32]} Qf6 {[%emt 0:00:41]} 29. Bd3 {[%emt 0:00:28]} Qf4 {[%emt 0:00:41]} (29... Nd6 $142 30. g4 (30. Nxc6 Nxc6 31. Qxc6 Qxd4 $14) 30... Qf4) 30. Qc3 $18 {[%emt 0:00:47]} Rd6 {[%emt 0:00:37]} 31. Nf2 {[%emt 0:00:07]} Qf6 {[%emt 0:00:19]} 32. Ba6 {[%emt 0:00:57]} Nf5 {[%emt 0:00:30]} 33. Bd3 $2 {[%emt 0:00:46]} ({White should play} 33. Nh3 $18) 33... Nce7 $2 {[%emt 0:00:29]} (33... Nfe7 $1 $11) 34. Kg1 {[%emt 0:00:20]} (34. Nh3 $18 {is more deadly.}) 34... g5 $2 {[%emt 0:00:36]} (34... Qh4 $16) 35. Nh3 {[%emt 0:00:26]} Be6 {[%emt 0:00:36]} 36. f4 {[%emt 0:00:27]} g4 {[%emt 0:00:22]} 37. Ng5 {[%emt 0:00:01][%cal Oe5g4] Hoping for Nxg4!} Bc8 {[%emt 0:00:24]} 38. g3 {[%emt 0:00:23]} Kg8 {[%emt 0:00:38]} 39. b4 {[%emt 0:00:11]} b5 {[%emt 0:00:22]} 40. Bc2 {[%emt 0:00:42]} Rdd8 {[%emt 0:00:39]} 41. Qd3 {[%emt 0:00:27]} Kg7 $2 {[%emt 0:01:11] [#]} (41... Qd6 42. Qc3 Rf6) 42. Nxg4 $1 {[%emt 0:00:40][%mdl 512]} hxg4 {[%emt 0:00:00] [#]} 43. Rxe7+ {[%emt 0:00:04][%mdl 512]} Qxe7 {[%emt 0:00:09]} (43... Kg8 44. R1e5) 44. Rxe7+ {[%emt 0:00:06] White mates.} Nxe7 {[%emt 0:00:03]} 45. Qh7+ {[%emt 0:00:10]} Kf6 {[%emt 0:00:05]} 46. Qh6+ {[%emt 0:00:15] Weighted Error Value: White=0.21 (precise) /Black=0.52} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "6.1"]
[White "Hoffman, Alejandro"]
[Black "Rodriguez Vila, Andres"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2389"]
[BlackElo "2435"]
[Annotator "TA"]
[PlyCount "21"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,20,0,0]} 1. Nf3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:04]} 2. g3 {[%emt 0:00:08]} g6 {[%emt 0:00:05]} 3. Bg2 {[%emt 0:00:05]} Bg7 {[%emt 0:00:04]} 4. O-O {[%emt 0:00:07]} d5 {[%emt 0:00:04]} 5. d4 {[%emt 0:00:08]} O-O {[%emt 0:00:06]} 6. c4 {[%emt 0:00:04]} c6 {[%emt 0:00:06]} 7. cxd5 {[%emt 0:00:18]} cxd5 {[%emt 0:00:05]} 8. Ne5 {[%emt 0:00:08]} Nbd7 {[%emt 0:00:15]} 9. Nc3 {[%emt 0:00:15]} e6 {[%emt 0:00:04]} 10. Nxd7 {[%emt 0:00:18]} Bxd7 {[%emt 0:00:06] [#]} {Predecessor:} 11. Bf4 $146 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} 1/2-1/2

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "6.2"]
[White "Aranha Filho, Alvaro Z."]
[Black "Librelato, Kathie Goulart"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2226"]
[BlackElo "2156"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,80,32,37,48,15,59,55,57,50,56,49,54,50,52,46,63,19,18,16,13,14,44,-233,0,0,0,-299,-287,-408,-395,-412,-397,-612,-627,-625,-615,-606,-601,-801,-736,-29986,-29987,-29987,-29986,-29986,-29987,-29987,-29979,-29979,-29980,-29994,-29995,-29995,-29993,-29993,-12812,-29993,-29994,-29997,-29998,-29998,-29999]} 1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:03]} Bg7 {[%emt 0:00:05]} 4. e4 {[%emt 0:00:04]} d6 {[%emt 0:00:05]} 5. Be2 {[%emt 0:00:05]} O-O {[%emt 0:00:10]} 6. Bg5 {[%emt 0:00:05]} Na6 {[%emt 0:00:10]} 7. Qd2 {[%emt 0:00:05]} c6 {[%emt 0:00:42]} 8. f3 {[%emt 0:00:07]} e5 {[%emt 0:04:13]} 9. d5 {[%emt 0:00:25]} cxd5 {[%emt 0:00:05]} 10. cxd5 {[%emt 0:00:06]} Bd7 {[%emt 0:00:08]} 11. g4 {[%emt 0:04:55]} Rb8 {[%emt 0:14:32] [#] E73: King's Indian: Averbakh Variation without 6...c5.} 12. Rb1 $146 {[%emt 0:05:52]} ({Predecessor:} 12. h4 b5 13. h5 b4 14. Nd1 Nc5 15. Ne3 Qa5 16. Nc4 Qa4 17. Qd1 Qxd1+ 18. Rxd1 Nb7 19. h6 {1-0 (39) Campossano Camo,R-Llacsahuanga,D (2064) Piura 2013}) 12... b5 {[%emt 0:10:54]} (12... Qa5 {looks sharper.} 13. Kf1 Rfc8 14. b4 Qc7) 13. b4 $1 {[%emt 0:01:56] Prevents Qa5.} Nc7 {[%emt 0:00:04][%cal Oh7h6] White is slightly better.} 14. h4 {[%emt 0:09:03][%cal Bh2h4,Bh4h5][%mdl 32]} Na8 {[%emt 0:02:29]} 15. h5 {[%emt 0:04:18]} a6 {[%emt 0:00:42]} 16. Bd3 {[%emt 0:05:27]} Nb6 {[%emt 0:10:54]} 17. Nge2 {[%emt 0:03:35]} Rc8 {[%emt 0:00:40]} 18. Ng3 {[%emt 0:06:05]} Nc4 {[%emt 0:08:15]} 19. Bxc4 {[%emt 0:03:50]} Rxc4 {[%emt 0:00:06]} 20. Nce2 {[%emt 0:18:27]} Qe7 {[%emt 0:18:53]} 21. Nf5 $2 {[%emt 0:03:02][%mdl 8192]} Bxf5 $2 {[%emt 0:14:01]} (21... gxf5 $19 22. gxf5 Rfc8) 22. gxf5 $11 {[%emt 0:00:54]} Rfc8 {[%emt 0:00:20]} 23. Bh6 $2 {[%emt 0:14:40][%mdl 8192] White is on the road to losing.} (23. hxg6 $11 {and White has nothing to worry.} hxg6 24. fxg6) 23... Rc2 $19 {[%emt 0:00:46]} ({And not} 23... Nxh5 24. Qg5 Qxg5 25. Bxg5 $17) 24. Qg5 {[%emt 0:00:13]} (24. Rc1 $142 Bxh6 25. Qxh6 Nxh5 26. Rxc2 Rxc2 27. a3) 24... Bxh6 {[%emt 0:00:09]} 25. Qxh6 {[%emt 0:00:08][%cal Rh5g6]} Nxh5 {[%emt 0:02:01] [#] Strongly threatening ...Qc7.} 26. Rxh5 {[%emt 0:01:31]} (26. Ra1 $142) 26... gxh5 {[%emt 0:00:14]} 27. f6 {[%emt 0:00:57][%csl Gf6][%cal Rh6g7]} Qf8 {[%emt 0:00:05] Inhibits Qg7+.} 28. Qxh5 {[%emt 0:01:27]} Kh8 {[%emt 0:00:10] Threatens to win with ...Qg8.} 29. f4 {[%emt 0:10:27]} exf4 {[%emt 0:00:24] White must now prevent ...Qg8.} 30. Rb3 {[%emt 0:00:40]} Qg8 {[%emt 0:01:23]} 31. Rh3 {[%emt 0:01:13] [#]} Rxe2+ $1 {[%emt 0:06:37]} 32. Kxe2 {[%emt 0:00:02] KQR-KQR} Qg2+ {[%emt 0:00:07]} 33. Kd1 {[%emt 0:00:13]} Qc2+ {[%emt 0:02:10]} 34. Ke1 {[%emt 0:00:08]} Qxe4+ {[%emt 0:00:03]} 35. Kd1 {[%emt 0:01:03]} Qd4+ {[%emt 0:01:03]} 36. Ke2 {[%emt 0:00:36]} Rc2+ {[%emt 0:01:18]} 37. Kf3 {[%emt 0:00:20]} Rf2+ {[%emt 0:01:05]} 38. Kg4 {[%emt 0:00:07]} f3+ {[%emt 0:01:29] Black mates.} 39. Kg3 {[%emt 0:00:01]} Rg2+ {[%emt 0:00:17]} 40. Kxf3 {[%emt 0:00:12]} Rf2+ {[%emt 0:00:00] Weighted Error Value: White=0.83/Black=0.34} 0-1

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "6.3"]
[White "Soares, Joao Carlos T. C."]
[Black "Abrantes, Tiago Garrido"]
[Result "1/2-1/2"]
[ECO "D91"]
[WhiteElo "2064"]
[BlackElo "2178"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 25,69,0,-10,-14,-16,0,23,-10,7,21,78,59,125,97,115,155,156,120,143,0,0,0,0,-8,-14,0,69,-94,69,63,60,0,0,0,0,0,0,-28,-26,-27,-7,-22,-23,-41,0,0]} 1. d4 {[%emt 1:31:00]} Nf6 {[%emt 1:31:00]} 2. c4 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 4. Nc3 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 5. Bg5 {[%emt 0:00:30]} Ne4 {[%emt 0:00:30]} 6. cxd5 {[%emt 0:00:30]} Nxg5 {[%emt 0:00:30]} 7. Nxg5 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 8. Qd2 {[%emt 0:00:30]} exd5 {[%emt 0:00:30]} 9. Qe3+ {[%emt 0:00:30]} Kf8 {[%emt 0:00:30]} 10. Qf4 {[%emt 0:00:30]} Bf6 {[%emt 0:00:30]} 11. h4 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 12. Nf3 {[%emt 0:00:30] 12.Nxd5 is not played anymore.} Kg7 {[%emt 0:00:30]} 13. O-O-O {[%emt 0:00:30]} Be6 {[%emt 0:00:30]} 14. g4 {[%emt 0:00:30] D91: Grünfeld: 4 Nf3 Bg7 5 Bg5.} Nd7 {[%emt 0:00:30]} 15. e3 {[%emt 0:00:30][%cal Be2e3,Be3d4,Bd4e5][%mdl 32]} c6 {[%emt 0:00:30]} 16. Bd3 {[%emt 0:00:30] White has an edge.} Be7 {[%emt 0:00:30]} 17. Qg3 {[%emt 0:00:30] [#]} c5 $146 {[%emt 0:00:30]} (17... Qb8 $11) ({Predecessor:} 17... Qb8) 18. Kb1 {[%emt 0:00:30][%cal Od3f5] &Bianco is more active.} Qb8 {[%emt 0:00:30]} (18... Rc8 $1 $14) 19. Ne5 {[%emt 0:00:30] Hoping for f4.} cxd4 {[%emt 0:00:30]} 20. exd4 {[%emt 0:00:30] Black must now prevent f4.} Nxe5 {[%emt 0:00:30]} 21. dxe5 {[%emt 0:00:30] [#] And now f4 would win.} h5 {[%emt 0:00:30]} 22. Be2 {[%emt 0:00:30]} (22. gxh5 $16 Rxh5 23. f4) 22... hxg4 $1 $11 {[%emt 0:00:30]} 23. Nxd5 {[%emt 0:00:30]} Qd8 {[%emt 0:00:30][%csl LRd5,LRh4]} 24. Ne3 {[%emt 0:00:30]} Qa5 {[%emt 0:00:30]} 25. Bc4 {[%emt 0:00:30]} Rad8 {[%emt 0:00:30]} (25... Bxc4 $11 26. Nxc4 Qc5) 26. Rxd8 $2 {[%emt 0:00:30] [#]} (26. Bxe6 $1 $14 {was forced to keep a grip.} fxe6 27. Rdg1 (27. Qxg4 Qxe5 28. Rxd8 Rxd8 $16) (27. Nxg4 Rxh4 28. Qf3 Rxh1 $11)) 26... Qxd8 $2 {[%emt 0:00:30]} (26... Bxc4 $17 27. Nxc4 Qxd8) 27. Bxe6 $14 {[%emt 0:00:30]} fxe6 {[%emt 0:00:30]} 28. Qxg4 {[%emt 0:00:30]} ({White should play} 28. Rd1 $1 $14 Qc8 29. Rg1 (29. Nxg4 Qc6 $14) (29. Qxg4 Rxh4 30. Qf3 g5 $11)) 28... Rxh4 $11 {[%emt 0:00:30]} 29. Rxh4 {[%emt 0:00:30]} Bxh4 {[%emt 0:00:30]} 30. Qe2 {[%emt 0:00:30] Against Qd3+} Qd4 {[%emt 0:00:30]} 31. Ng4 {[%emt 0:00:30]} (31. Qf3 $5 {[%cal Rf3b7]}) 31... Bg5 {[%emt 0:00:30]} 32. a3 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 33. Qf3 {[%emt 0:00:30]} Qd5 {[%emt 0:00:30]} 34. Qe2 {[%emt 0:00:30]} a4 {[%emt 0:00:30]} 35. Qc2 {[%emt 0:00:30] Weighted Error Value: White=0.36/Black=0.32} 1/2-1/2

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "6.4"]
[White "Mekhitarian, Krikor Sevag"]
[Black "Lage, Pedro Ferreira"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2569"]
[BlackElo "2100"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,55,26,12,-23,798,780,860,870,854,860,827,838,933,947,532,0,0,0,0,0,0,0,0,0,0,0,184,209,166,0,729,683,439,431,1779,1778,1504,1333,1363,1082,1085,128]} 1. e4 {[%emt 0:00:04]} e6 {[%emt 0:10:32]} 2. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:16]} 3. Nc3 {[%emt 0:00:04]} Bb4 {[%emt 0:00:43]} 4. e5 {[%emt 0:00:03]} c5 {[%emt 0:00:24]} 5. a3 {[%emt 0:00:01]} Bxc3+ {[%emt 0:00:15]} 6. bxc3 {[%emt 0:00:02]} Ne7 {[%emt 0:00:16]} 7. Qg4 {[%emt 0:00:14]} O-O {[%emt 0:00:47]} 8. Bd3 {[%emt 0:00:28]} Nbc6 {[%emt 0:00:20]} 9. Bg5 $1 {[%emt 0:00:57][%mdl 4] Threatens to win with Bf6. is recently more successful than 9.Qh5. C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} c4 $2 {[%emt 0:09:51][%mdl 8192] [#]} (9... Qa5 $11 10. Ne2 cxd4) 10. Bf6 $1 $18 {[%emt 0:01:23][%csl Gf6][%cal Rg4g7]} g6 {[%emt 0:01:41] [#]} (10... Ng6 11. Bxd8) 11. Qg5 $1 {[%emt 0:45:34][%cal Og5h6] [#]} Qa5 $146 {[%emt 0:11:27] [#]} ({Predecessor:} 11... cxd3 12. g4 Nxe5 13. dxe5 {1-0 (13) Petrosian,T (2612)-Grigoryan,A (1957) Jermuk 2019}) 12. g4 $1 {[%emt 0:02:48][%cal Og5h6] Intending Qh6! and mate.} Qxc3+ {[%emt 0:03:35]} 13. Kf1 {[%emt 0:00:24][%cal Og5h6]} Qxa1+ {[%emt 0:10:19]} 14. Kg2 {[%emt 0:00:13][%cal Og5h6]} Qxd4 {[%emt 0:00:29] [#]} 15. Nf3 $2 $40 {[%emt 0:00:54][%mdl 128] Black needs to defend precisely.} Qxg4+ $1 $11 {[%emt 0:10:01]} 16. Qxg4 {[%emt 0:00:15] Dancing on a razor blade.} cxd3 {[%emt 0:00:30]} 17. h4 {[%emt 0:20:08] aiming for h5.} h5 $1 {[%emt 0:03:55]} 18. Qf4 {[%emt 0:03:51]} ({Of course not} 18. Qg5 Nf5 19. cxd3 b6 $15) 18... Nf5 {[%emt 0:02:01] Prevents Qh6.} (18... dxc2 $2 {leads to mate.} 19. Qh6 Nf5 20. Qh8#) 19. cxd3 {[%emt 0:00:51]} Bd7 {[%emt 0:00:51]} 20. Rg1 {[%emt 0:00:21]} Rfc8 $2 {[%emt 0:01:28]} (20... Nce7 $11 {and Black is okay.}) 21. Kh2 $1 $18 {[%emt 0:00:23] Black must now prevent Rg5.} Kf8 {[%emt 0:05:47] [#]} 22. Rg5 $1 {[%emt 0:06:07][%cal Og5f5] White threatens Rxf5! and mate.} Nce7 {[%emt 0:01:27][%mdl 8192] [#]} (22... Ke8 $11) 23. Rxf5 $1 {[%emt 0:02:38][%mdl 512] White is clearly winning.} Nxf5 {[%emt 0:00:47] [#]} 24. Nd4 $1 {[%emt 0:00:02] Threatening mate with Nxf5.} Bc6 {[%emt 0:02:50]} (24... Bb5 $142) 25. Nxf5 {[%emt 0:00:18]} gxf5 {[%emt 0:01:12]} 26. Qg5 {[%emt 0:09:47] White wants to mate with Qg7+.} Bb5 {[%emt 0:02:38]} 27. Qg7+ {[%emt 0:00:38]} Ke8 {[%emt 0:00:02]} 28. Qg8+ {[%emt 0:06:00][%mdl 64] Deflection.  Weighted Error Value: White=0.27 (precise) /Black=0.37} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "6.5"]
[White "Di Berardino, Diego Rafael"]
[Black "Lutuima, Amaro"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2490"]
[BlackElo "2068"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,66,22,39,39,48,52,47,36,42,30,57,30,33,26,48,10,10,6,51,24,29,23,23,16,23,18,59,35,69,65,104,111,89,106,172,150,126,137,214,183,328,326,345,348,635,583,574,549,881,820,1145,1146,1039,868,762]} 1. d4 {[%emt 0:03:30]} Nf6 {[%emt 0:00:28]} 2. Nf3 {[%emt 0:00:19]} g6 {[%emt 0:00:36]} 3. g3 {[%emt 0:00:11]} Bg7 {[%emt 0:00:18]} 4. Bg2 {[%emt 0:00:05]} O-O {[%emt 0:00:38]} 5. O-O {[%emt 0:00:09]} d6 {[%emt 0:02:20]} 6. b3 {[%emt 0:01:19]} c5 {[%emt 0:01:00]} 7. Bb2 {[%emt 0:00:38]} Na6 {[%emt 0:01:32]} 8. c4 {[%emt 0:01:16] A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} Rb8 {[%emt 0:01:24]} 9. Nc3 {[%emt 0:02:22] [#]} d5 $146 {[%emt 0:10:31]} ({Predecessor:} 9... Bf5 10. Rc1 Qd7 11. Qd2 Ne4 12. Nxe4 Bxe4 13. Rfd1 cxd4 14. Bxd4 Nc5 15. Bxc5 {1-0 (15) Jianu,V (2532)-Pertinez Soria,J (2165) Chess.com INT 2020}) 10. cxd5 {[%emt 0:08:11] White is slightly better.} Nxd5 {[%emt 0:00:24]} 11. Nxd5 {[%emt 0:01:47]} Qxd5 {[%emt 0:00:17]} 12. Ne5 {[%emt 0:01:05]} Qd6 {[%emt 0:11:10] [#]} 13. dxc5 $1 {[%emt 0:10:56]} Qc7 {[%emt 0:01:11]} (13... Nxc5 14. Qxd6) 14. Nd3 {[%emt 0:01:10] White wants to play Bxg7.} Bxb2 {[%emt 0:04:57]} 15. Nxb2 {[%emt 0:00:15]} Qxc5 {[%emt 0:00:25]} (15... Rd8 $5 {[%cal Rd8d1]} 16. Qc1 Nxc5 $11) 16. Nd3 {[%emt 0:01:48]} (16. Rc1 $5 {[%cal Rc1c5]} Qb4 17. Nd3 $14) 16... Qa5 {[%emt 0:01:32]} 17. a3 $36 {[%emt 0:06:45][%mdl 2048] White has good play.} Bf5 {[%emt 0:02:04]} 18. e4 {[%emt 0:03:05]} Be6 {[%emt 0:07:29]} 19. b4 {[%emt 0:01:40]} Qg5 {[%emt 0:01:13]} 20. Qc1 {[%emt 0:03:04]} Qb5 {[%emt 0:01:10]} 21. Qe3 {[%emt 0:00:32]} Rfd8 {[%emt 0:08:38] [#]} 22. Nf4 {[%emt 0:00:45]} Bc4 {[%emt 0:00:50]} 23. Rfc1 {[%emt 0:06:11]} b6 {[%emt 0:03:41]} (23... e6 $16 {might work better.}) 24. Rc3 {[%emt 0:10:26] Black must now prevent Rac1.} Qe5 {[%emt 0:03:06][%cal Od8d3]} 25. Rac1 {[%emt 0:00:12]} Bb5 {[%emt 0:06:16]} (25... b5 $16 {keeps fighting.} 26. Nd3 (26. Qxa7 Ra8 $16) 26... Bxd3) 26. Nd5 $18 {[%emt 0:10:49]} Rb7 {[%emt 0:03:56]} (26... Re8 $142 27. f4 Qg7) 27. f4 {[%emt 0:01:55]} Qe6 {[%emt 0:00:12]} 28. Qd4 {[%emt 0:06:39][%cal Od5f6] And now Nf6+! would win.} Re8 $2 {[%emt 0:09:28]} (28... Qd7 29. Rd1 Rdb8) 29. a4 {[%emt 0:05:47] White is clearly winning.} Bxa4 {[%emt 0:02:49]} 30. Bf1 {[%emt 0:00:04]} Nb8 {[%emt 0:04:46]} 31. b5 {[%emt 0:00:52] Against Bc6} Nd7 {[%emt 0:00:22]} 32. Rc8 {[%emt 0:00:51]} Rb8 {[%emt 0:00:56]} 33. Rxe8+ {[%emt 0:00:12]} Rxe8 {[%emt 0:00:12] Weighted Error Value: White=0.10 (very precise) /Black=0.44} 1-0

[Event "1st Rio Chess Open 2022"]
[Site "Rio de Janeiro"]
[Date "2022.04.24"]
[Round "6.6"]
[White "Lima, Kleyton Alcantara"]
[Black "Alboredo, Julia"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2080"]
[BlackElo "2252"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.04.18"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,80,0,31,0,0,0,0,-6,-13,-8,-12,-14,41,47,73,0,30,8,0,0,32,0,0,0,29,5,0,5,6,0,0,0,0,0,0,7,8,0,0,0,2,0,0,0,0,-17,-17,-17,0,-16,10,3,3,3,3,0,0,-447,-445,-439,-425,-458,-433,-520,-502,-490,-460]} 1. e4 {[%emt 0:07:55]} c5 {[%emt 0:00:14]} 2. c3 {[%emt 0:00:55]} Nf6 {[%emt 0:00:23]} 3. e5 {[%emt 0:00:18]} Nd5 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:15]} 5. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:08]} 6. cxd4 {[%emt 0:00:07]} d6 {[%emt 0:00:19]} 7. Bc4 {[%emt 0:00:26]} Nb6 {[%emt 0:00:11]} 8. Bb5 {[%emt 0:00:05]} Bd7 {[%emt 0:00:10][%cal Oc6e5]} 9. exd6 {[%emt 0:00:56] B22: Sicilian: 2 c3.} e6 {[%emt 0:00:16]} 10. O-O {[%emt 0:00:12][%cal Od4d5,Bh1f1,Bf1e1,Be1e5][%mdl 32]} Bxd6 {[%emt 0:00:14]} 11. Nc3 {[%emt 0:00:08] The position is equal.} O-O {[%emt 0:17:10]} 12. a3 {[%emt 0:06:32]} Ne7 {[%emt 0:09:47]} 13. Bd3 {[%emt 0:01:15] [#]} f5 $146 {[%emt 0:06:45]} (13... Bc6 $11) ({Predecessor:} 13... Nbd5 14. Ne4 Bf4 15. Ne5 Ng6 16. Nc5 Nxe5 17. dxe5 Bxe5 18. Bxh7+ Kxh7 19. Qh5+ Kg8 20. Qxe5 {½-½ (41) Mammadov,Z (2467)-Adly,A (2598) Al Ain 2015}) 14. Re1 {[%emt 0:05:29]} Ned5 {[%emt 0:02:38]} 15. Bg5 {[%emt 0:03:34]} ({White should play} 15. Qb3 $16) 15... Qe8 {[%emt 0:04:46]} 16. Ne5 {[%emt 0:04:55]} Bxe5 {[%emt 0:02:04]} 17. Rxe5 {[%emt 0:02:54]} Qg6 {[%emt 0:00:33]} 18. Bh4 {[%emt 0:05:42]} Bc6 {[%emt 0:10:57][%cal Od5e3] [#] Strongly threatening ...Ne3!} 19. f3 {[%emt 0:02:38]} Nf4 {[%emt 0:09:40][%csl Gf4][%cal Rg6g2] Pair of Knights!} 20. Bg3 {[%emt 0:05:10]} Nxd3 {[%emt 0:01:02]} 21. Qxd3 {[%emt 0:00:03]} Rad8 {[%emt 0:02:08]} 22. Rae1 {[%emt 0:03:46]} Rfe8 {[%emt 0:03:50]} 23. b4 {[%emt 0:04:27]} Bd5 {[%emt 0:04:45]} 24. Nxd5 {[%emt 0:08:47]} Rxd5 {[%emt 0:03:03]} 25. R5e2 {[%emt 0:06:13]} Qf7 {[%emt 0:02:46]} 26. Rc2 {[%emt 0:04:56]} f4 {[%emt 0:01:25]} 27. Bf2 {[%emt 0:00:48]} Rd7 {[%emt 0:05:01]} 28. Rce2 {[%emt 0:04:28]} Nd5 {[%emt 0:00:31]} 29. Re5 {[%emt 0:00:14]} Rd6 {[%emt 0:03:17]} 30. Qb5 {[%emt 0:02:47]} a6 {[%emt 0:03:43]} 31. Qe2 {[%emt 0:03:43]} Qd7 {[%emt 0:01:24]} 32. Qe4 {[%emt 0:01:07]} g6 {[%emt 0:00:33]} 33. h4 {[%emt 0:03:05]} Qf7 {[%emt 0:02:01]} 34. h5 {[%emt 0:01:46]} Qf6 $1 {[%emt 0:03:50] Inhibits Bh4.} 35. hxg6 {[%emt 0:00:18]} hxg6 {[%emt 0:00:02]} 36. Bh4 $2 {[%emt 0:00:42][%mdl 8192] [#]} Qxh4 $19 {[%emt 0:00:32] Black is clearly winning.} 37. Qxg6+ {[%emt 0:00:02]} Kf8 {[%emt 0:00:07][%cal Bg8f8,Bf8e7,Be7d8][%mdl 32]} 38. Rf5+ {[%emt 0:02:22]} Ke7 {[%emt 0:00:06]} 39. Rf7+ {[%emt 0:00:08]} Kd8 {[%emt 0:00:06]} 40. Re5 {[%emt 0:00:04]} Rc6 {[%emt 0:03:38] Weighted Error Value: White=0.36/Black=0.09 (flawless)} 0-1

