[Event "9th Floripa Open 2023"]
[Site "Florianopolis"]
[Date "2023.01.27"]
[Round "6.1"]
[White "Mekhitarian, Krikor Sevag"]
[Black "Fier, Alexandr"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2551"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,66,31,22,18,34,31,29,11,11,11,25,21,17,20,25,17,25,12,43,17,22,20,16,13,29,27,25,17,18,24,35,23,31,33,35,20,25,24,22,23,24,12,12,13,12,12,12,12,12,12,12,0,0]} 1. d4 {[%emt 0:03:09] Tomashevsky,Evgeny} d5 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:06]} c6 {[%emt 0:00:03]} 3. Nf3 {[%emt 0:00:22]} e6 {[%emt 0:00:05]} 4. e3 {[%emt 0:00:29]} f5 {[%emt 0:00:12]} 5. Bd3 {[%emt 0:01:25]} Nf6 {[%emt 0:00:17]} 6. O-O {[%emt 0:00:32]} Bd6 {[%emt 0:00:03]} 7. b3 {[%emt 0:00:12]} Qe7 {[%emt 0:00:05]} 8. Bb2 {[%emt 0:00:27]} O-O {[%emt 0:00:06]} 9. Nc3 {[%emt 0:00:33] A84: Dutch Defence: 2 c4 Miscellaneous.} Bd7 {[%emt 0:02:16]} 10. Ne5 {[%emt 0:04:25]} Be8 {[%emt 0:00:11]} 11. cxd5 {[%emt 0:06:15] White has an edge.} cxd5 {[%emt 0:00:22]} 12. Rc1 {[%emt 0:11:01] [#]} Ne4 $146 {[%emt 0:05:41]} ({Predecessor:} 12... Nc6 13. Nb5 Bb4 14. a3 Ba5 15. Be2 a6 16. Nc3 Ne4 17. b4 Bc7 18. Nxe4 fxe4 {0-1 Aronian,L (2813)-Tomashevsky,E (2706) FIDE World Cup 2013 (3.1)}) 13. Nb5 {[%emt 0:05:10]} Bxb5 $1 {[%emt 0:00:07]} 14. Bxb5 {[%emt 0:00:01]} a6 {[%emt 0:00:46]} 15. Bd3 {[%emt 0:00:10]} Nd7 {[%emt 0:00:18]} 16. f3 {[%emt 0:01:11]} Nef6 {[%emt 0:06:04]} 17. Qe2 {[%emt 0:00:41]} Rac8 {[%emt 0:02:41]} 18. Rc2 {[%emt 0:01:05]} Nb6 {[%emt 0:02:20]} 19. Rfc1 {[%emt 0:01:41]} Rxc2 {[%emt 0:00:14]} 20. Rxc2 {[%emt 0:01:22]} Rc8 {[%emt 0:00:14]} 21. Rxc8+ {[%emt 0:08:43]} Nxc8 {[%emt 0:00:06]} 22. Qc2 {[%emt 0:00:02]} Qc7 {[%emt 0:00:07]} 23. Kf2 {[%emt 0:01:01]} Nb6 {[%emt 0:00:30]} 24. Qxc7 {[%emt 0:11:37]} Bxc7 {[%emt 0:00:05]} 25. h3 {[%emt 0:09:08]} Nfd7 {[%emt 0:06:15]} 26. g4 {[%emt 0:06:45]} Nxe5 {[%emt 0:00:26]} 27. dxe5 $11 {[%emt 0:00:02][%mdl 4096] Endgame KBB-KBN} g6 {[%emt 0:00:07]} 28. gxf5 {[%emt 0:01:55]} gxf5 {[%emt 0:00:05] The position is equal.} 29. e4 {[%emt 0:01:07]} fxe4 {[%emt 0:02:14]} 30. fxe4 {[%emt 0:00:04]} d4 {[%emt 0:00:10]} 31. Bxd4 {[%emt 0:01:02]} Nd7 {[%emt 0:00:05]} 32. Ke3 {[%emt 0:06:12]} Nxe5 {[%emt 0:00:05]} 33. Bxe5 {[%emt 0:07:17]} Bxe5 {[%emt 0:00:56] Weighted Error Value: White=0.06 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "9th Floripa Open 2023"]
[Site "Florianopolis"]
[Date "2023.01.27"]
[Round "6.2"]
[White "Delgado Ramirez, Neuris"]
[Black "Barbosa, Evandro Amorim"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2562"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,35,9,1,0,0,0,15,0,23,0,0,0,0,0,0,0,0,0,0,0,0,4,6,4,16,21,22,10]} 1. e4 {[%emt 0:12:45]} c5 {[%emt 0:00:15]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:00:13]} 3. Bb5+ {[%emt 0:00:36]} Bd7 {[%emt 0:00:19]} 4. a4 {[%emt 0:01:05]} Nf6 {[%emt 0:01:17]} 5. Nc3 {[%emt 0:00:36]} g6 {[%emt 0:01:32]} 6. O-O {[%emt 0:01:35] B52: Sicilian: Moscow Variation with 3...Bd7.} Bg7 {[%emt 0:00:23]} 7. e5 {[%emt 0:01:33]} dxe5 {[%emt 0:03:01]} 8. Nxe5 {[%emt 0:00:07]} O-O {[%emt 0:00:59]} 9. d3 {[%emt 0:00:38]} a6 {[%emt 0:15:19] The position is equal.} 10. Bc4 {[%emt 0:02:21]} Nc6 {[%emt 0:00:41] [#]} 11. Nxc6 $146 {[%emt 0:00:08]} ({Predecessor:} 11. Nxd7 Qxd7 12. Be3 Nd4 13. a5 Qc7 14. Qd2 Ng4 15. Bf4 Be5 16. Bg3 Nxh2 17. Kxh2 Bxg3+ 18. fxg3 {½-½ Guenther,L-Scholz,C (2240) NRW-ch U20 Muenster 1993 (4)}) 11... Bxc6 {[%emt 0:00:06]} 12. a5 {[%emt 0:00:06]} Ne8 {[%emt 0:17:20]} 13. Be3 {[%emt 0:04:35]} Nd6 {[%emt 0:02:35]} 14. Bxc5 {[%emt 0:03:27]} Nxc4 {[%emt 0:01:32]} 15. dxc4 {[%emt 0:00:06]} Bxc3 {[%emt 0:02:36]} 16. bxc3 {[%emt 0:00:04]} Qxd1 {[%emt 0:00:44]} 17. Raxd1 {[%emt 0:00:33]} Rfe8 {[%emt 0:00:29] Black is weak on the dark squares} 18. Rd2 {[%emt 0:06:14] An uneventful encounter.   Weighted Error Value: White=0.03 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "9th Floripa Open 2023"]
[Site "Florianopolis"]
[Date "2023.01.27"]
[Round "6.4"]
[White "Mareco, Sandro"]
[Black "Ribeiro, Matheus Mendes Domin"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2625"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,102,26,18,12,29,29,25,19,41,35,22,7,8,0,0,0,0,-7,0,0,0,-17,0,0,85,83,85,80,78,83,121,108,118,120,321,192,192,201,323,311,299,310,278,298,278,195,183,187,220,218,295,285,275,274,274,280,250,187,197,168,170,165,153,152,184,184,236,228,309,304,445,407,539,503,823,820,782,699,1035,925,1896]} 1. Nf3 {[%emt 0:03:42] Marchand,A/Primel,D} d5 {[%emt 0:00:28]} 2. c4 {[%emt 0:00:43]} e6 {[%emt 0:00:31]} 3. g3 {[%emt 0:01:25]} Nf6 {[%emt 0:00:18]} 4. Bg2 {[%emt 0:00:04]} Be7 {[%emt 0:00:05]} 5. O-O {[%emt 0:00:04]} O-O {[%emt 0:00:05]} 6. d4 {[%emt 0:00:14]} dxc4 {[%emt 0:00:50]} 7. Qc2 {[%emt 0:00:03]} a6 {[%emt 0:00:07]} 8. a4 {[%emt 0:00:03]} Bd7 {[%emt 0:00:38]} 9. Qxc4 {[%emt 0:00:06]} Bc6 {[%emt 0:00:09]} 10. Bg5 {[%emt 0:00:02]} Bd5 {[%emt 0:07:43]} 11. Qc2 {[%emt 0:01:10]} Be4 {[%emt 0:05:06]} 12. Qc1 {[%emt 0:00:05]} Nc6 {[%emt 0:01:02]} 13. e3 {[%emt 0:03:55] E05: Open Catalan: 5 Nf3 Be7.} h6 {[%emt 0:04:39] Recently 13...Bb4 got a lot of attention.} 14. Bxf6 {[%emt 0:00:10]} Bxf6 {[%emt 0:00:27]} 15. Nc3 {[%emt 0:02:48] [#] White has an edge.} Bg6 $146 {[%emt 1:15:52]} ({Predecessor:} 15... Bh7 16. Rd1 Qe8 17. Nd2 e5 18. Nce4 Bd8 19. d5 Na7 20. d6 cxd6 21. Nxd6 Qe7 22. Nxb7 {1-0 Postny,E (2585)-Melia,S (2462) EU-ch 12th Aix les Bains 2011 (8)}) 16. Rd1 {[%emt 0:07:21]} Nb4 {[%emt 0:00:00][%cal Oc7c5]} 17. Ne1 {[%emt 0:00:13]} c6 {[%emt 0:00:00]} 18. Ne4 {[%emt 0:01:40]} Bxe4 {[%emt 0:00:00]} 19. Bxe4 {[%emt 0:00:05]} a5 {[%emt 0:00:00]} 20. Nd3 {[%emt 0:01:57]} Qb6 {[%emt 0:00:00]} 21. Nxb4 {[%emt 0:01:52]} Qxb4 {[%emt 0:00:00]} 22. Qc2 {[%emt 0:00:04]} Rac8 {[%emt 0:00:00]} 23. Rac1 {[%emt 0:00:10]} c5 {[%emt 0:00:00]} 24. b3 $16 {[%emt 0:02:41]} Rfd8 {[%emt 0:00:00]} 25. d5 {[%emt 0:01:48]} (25. dxc5 $6 Rxd1+ 26. Rxd1 Rxc5 $11) 25... exd5 {[%emt 0:00:00]} 26. Bxd5 {[%emt 0:00:06]} Rc7 {[%emt 0:00:00]} 27. Qf5 {[%emt 0:00:12]} Re7 {[%emt 0:00:00]} 28. Bc4 {[%emt 0:03:49]} (28. Bf3 {simplifies} Rxd1+ 29. Rxd1 Qb6 30. Rd5) 28... Ree8 {[%emt 0:00:00] This costs Black the game.} (28... Qb6 $16 {was necessary.} 29. Rxd8+ Qxd8) 29. Rd7 {[%emt 0:02:01]} (29. Qh5 $142 Rf8 30. Rxd8 Bxd8 31. Rd1) 29... Rxd7 $18 {[%emt 0:00:00]} 30. Qxd7 {[%emt 0:00:05]} Re7 {[%emt 0:00:00] Black is weak on the light squares} (30... Rf8 {was worth a try.} 31. Rd1 b5 32. Qxb5 (32. Bxb5 Rd8 $14) (32. axb5 a4 $16) 32... Qxb5 33. axb5 Rd8) 31. Qc8+ {[%emt 0:00:39]} Kh7 {[%emt 0:00:00]} 32. Qf5+ {[%emt 0:18:28]} Kg8 {[%emt 0:00:00][%cal Bh7g8,Bg8f8,Bf8e7,Be7d8,Bd8d7,Bd7e6,Be6d6,Bd6c7][%mdl 32]} 33. Rd1 {[%emt 0:00:06] [#] Repels Qd2. Intending Rd8+ and mate.} Qb6 {[%emt 0:00:00] Prevents Rd8+.} 34. Rd7 {[%emt 0:28:06] Rxe7 would kill now.} Kf8 {[%emt 0:00:00]} 35. Rxe7 {[%emt 0:03:31]} Kxe7 {[%emt 0:00:00][%mdl 4096] Endgame KQB-KQB} 36. Qd5 {[%emt 0:00:04]} Qc7 {[%emt 0:00:10]} 37. Qxf7+ {[%emt 0:00:06]} Kd8 {[%emt 0:00:05]} 38. Qf8+ {[%emt 0:00:54]} Kd7 {[%emt 0:00:06]} 39. Bb5+ {[%emt 0:02:13]} Ke6 {[%emt 0:00:10]} 40. Qg8+ {[%emt 0:04:56]} Kd6 {[%emt 0:02:08]} 41. f4 {[%emt 0:05:47] [#] aiming for e4.} Qe7 {[%emt 0:01:48]} 42. Kf2 {[%emt 0:00:39]} Kc7 {[%emt 0:01:02]} 43. Bc4 {[%emt 0:01:10] White is more active.} Qd6 {[%emt 0:02:20]} 44. Bd5 {[%emt 0:00:18]} Qb6 {[%emt 0:02:34]} (44... Qd8 $142 45. Qf7+ Qd7 46. Qxd7+ Kxd7 47. Bxb7 Ke8) 45. Kf3 {[%emt 0:00:33]} Qb4 {[%emt 0:00:35]} 46. Qf7+ {[%emt 0:00:42]} Kb8 {[%emt 0:00:09]} (46... Kd8 {keeps fighting.} 47. Bxb7 c4) 47. Kg4 {[%emt 0:00:20]} ({Weaker is} 47. e4 c4 48. bxc4 h5 $18) 47... Qb6 {[%emt 0:02:47]} 48. e4 {[%emt 0:00:06][%cal Be3e4,Be4e5][%mdl 32] White is clearly winning.} Bd4 {[%emt 0:00:29]} (48... Bb2 $142 49. Kh5 Qc7) 49. e5 {[%emt 0:02:13]} Qc7 {[%emt 0:00:01]} 50. Kf5 {[%emt 0:00:13]} Qxf7+ {[%emt 0:00:49]} 51. Bxf7 {[%emt 0:00:05]} Bg1 {[%emt 0:01:54] Weighted Error Value: White=0.12 (very precise) /Black=0.42} 1-0

[Event "9th Floripa Open 2023"]
[Site "Florianopolis"]
[Date "2023.01.27"]
[Round "6.5"]
[White "Di Berardino, Diego Rafael"]
[Black "Cordero, Daniela"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2458"]
[BlackElo "2027"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,83,51,50,47,46,52,40,49,14,59,-38,0,10,28,29,42,21,26,0,32,38,84,17,109,105,107,79,107,79,83,71,69,51,64,74,66,69,62,65,155,163,179,170,167,148,146,176,156,162,154,153,176,152,304,270,360,339,419,384,514,516,608,437,444,439,429,399,706,689,29987,29988,29988,29989]} 1. Nf3 {[%emt 0:00:46]} Nf6 {[%emt 0:01:16]} 2. c4 {[%emt 0:00:19]} c6 {[%emt 0:00:34]} 3. d4 {[%emt 0:00:42]} d5 {[%emt 0:00:12]} 4. Nc3 {[%emt 0:01:13]} a6 {[%emt 0:02:53]} 5. e3 {[%emt 0:00:40]} b5 {[%emt 0:02:41]} 6. b3 {[%emt 0:00:07]} e6 {[%emt 0:01:24]} 7. Bd3 {[%emt 0:01:49]} Be7 {[%emt 0:00:29] D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} 8. O-O {[%emt 0:00:17]} O-O {[%emt 0:00:21]} 9. Qc2 {[%emt 0:01:35]} Nbd7 {[%emt 0:05:18] White is slightly better.} 10. Bb2 {[%emt 0:07:14]} Bb7 {[%emt 0:02:16] [#]} 11. a4 $146 {[%emt 0:11:59]} (11. c5 $14) ({Predecessor:} 11. Ne5 bxc4 12. bxc4 dxc4 13. Bxc4 c5 14. Rfd1 cxd4 15. Rxd4 Qc7 16. Nxd7 Nxd7 17. Rad1 {1-0 Harsha,B (2547)-Machidon,C (2286) Titled Tuesday intern op 02nd Aug Late blitz 2022 (3)}) 11... b4 {[%emt 0:12:46]} (11... bxc4 $15 12. bxc4 dxc4 13. Bxc4 c5) 12. Ne2 $11 {[%emt 0:00:06]} c5 {[%emt 0:04:15]} 13. cxd5 {[%emt 0:01:15]} exd5 {[%emt 0:00:19]} 14. dxc5 {[%emt 0:01:05]} (14. Ne5 $5 {[%cal Re5d7]}) 14... Rc8 {[%emt 0:00:39]} 15. Ned4 {[%emt 0:01:03] Hoping for c6.} (15. Bf5 $5 {[%cal Rb2f6]}) 15... Bxc5 {[%emt 0:05:09]} 16. Qe2 {[%emt 0:00:39]} a5 {[%emt 0:03:55]} (16... Qa5 $14 {feels stronger.}) 17. Nf5 {[%emt 0:03:15]} ({Better is} 17. Rac1 $16) 17... Re8 {[%emt 0:02:09]} (17... g6 $1 $11 {remains equal.}) 18. Bb5 $16 {[%emt 0:02:31]} Re6 {[%emt 0:02:39]} 19. Rac1 {[%emt 0:29:43]} Bf8 {[%emt 0:13:58]} 20. Ng5 {[%emt 0:01:22][%cal Bf3g5,Bg5h3,Bh3f4][%mdl 32]} Rb6 {[%emt 0:07:20]} 21. Bd4 $36 {[%emt 0:00:09][%mdl 2048] White is really pushing. White has more active pieces.} Nc5 {[%emt 0:00:51]} 22. Qb2 $1 {[%emt 0:12:07]} h6 {[%emt 0:06:13]} 23. Nh3 {[%emt 0:01:07]} Ba6 {[%emt 0:04:26]} 24. Nf4 {[%emt 0:03:24] aiming for Rfd1.} Bxb5 {[%emt 0:03:57]} 25. axb5 {[%emt 0:00:05]} Qd7 {[%emt 0:01:04] [#] White leaves nothing to chance now.} (25... Ne8 $1 $14) 26. Nxg7 $1 {[%emt 0:00:40][%mdl 576] Deflection} Bxg7 {[%emt 0:11:10]} 27. Rxc5 {[%emt 0:00:04]} Rxc5 {[%emt 0:00:14]} 28. Bxc5 {[%emt 0:00:04]} Rxb5 {[%emt 0:00:26]} 29. Bd4 {[%emt 0:00:19]} Ne8 {[%emt 0:00:38]} 30. Bxg7 {[%emt 0:02:51]} Nxg7 {[%emt 0:00:02]} 31. Rd1 {[%emt 0:01:20]} Qf5 {[%emt 0:02:03]} 32. Qd2 {[%emt 0:00:49][%cal Rf4d5]} Rc5 {[%emt 0:01:23]} (32... d4 $16) 33. Nxd5 $18 {[%emt 0:00:09] Threatens to win with Ne7+.} Kf8 {[%emt 0:00:46] [#] Inhibits Ne7.} 34. e4 $1 {[%emt 0:03:44][%mdl 576] Discovered Attack} Qe6 {[%emt 0:01:45]} (34... Qg5 35. f4) 35. Qd4 {[%emt 0:00:56]} Rc2 {[%emt 0:00:52]} 36. h3 {[%emt 0:00:23]} h5 {[%emt 0:01:25]} 37. Qa7 {[%emt 0:08:48]} Ne8 {[%emt 0:00:36]} 38. Qxa5 {[%emt 0:01:01]} Qxe4 {[%emt 0:00:25]} 39. Ne3 {[%emt 0:00:50][%cal Oa5h5][%mdl 64] Discovered Attack} ({Weaker is} 39. Nxb4 Qe2 40. Rf1 Rd2 41. Qc5+ Nd6 $18) (39. Qxb4+ Qxb4 40. Nxb4 Rb2 $18) 39... Rc3 $2 {[%emt 0:00:27]} (39... Rc6 40. Qxh5 Kg8) 40. Qxh5 {[%emt 0:00:27] Intending Qh8+ and mate.} Rxb3 {[%emt 0:00:37]} 41. Qh8+ {[%emt 0:00:07]} Ke7 {[%emt 0:00:20]} 42. Nd5+ {[%emt 0:00:05] Weighted Error Value: White=0.19 (very precise) /Black=0.53} 1-0

[Event "9th Floripa Open 2023"]
[Site "Florianopolis"]
[Date "2023.01.27"]
[Round "6.6"]
[White "Coro, Lucas"]
[Black "Lima, Darcy"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2272"]
[BlackElo "2439"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,34,36,67,64,93,92,91,93,102,106,147,121,150,100,167,150,264,258,241,240,297,283,352]} 1. e4 {[%emt 1:31:00]} g6 {[%emt 1:31:00]} 2. d4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 4. Be3 {[%emt 0:00:00]} b5 5. Bd3 {[%emt 0:02:00]} Bg7 {[%emt 0:00:00]} 6. Qd2 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 7. Nf3 Nb6 {[%emt 0:03:00]} 8. h3 {[%emt 0:00:00] B06: Modern Defence.} Nc4 {[%emt 0:00:00]} 9. Bxc4 bxc4 {[%emt 0:00:00]} 10. O-O {White is better.} h6 {[%emt 0:01:30] [#]} 11. Rfe1 $146 {[%emt 0:00:00]} ({Predecessor:} 11. b4 Nf6 12. Rab1 Kf8 13. Qe2 a5 14. e5 Nd5 15. Nxd5 cxd5 16. b5 a4 17. Bf4 {0-1 Riordan,C-Bryan,J (2265) New Hampshire op 48th 1998}) 11... Kf8 {[%emt 0:00:30]} 12. Bf4 {[%emt 0:00:00] White is more active.} g5 {[%emt 0:00:00]} 13. Bh2 {[%emt 0:00:00]} (13. Bg3 $142) 13... f5 {[%emt 0:00:00]} (13... g4 $16 14. hxg4 Bxg4) 14. Qe2 {[%emt 0:00:00]} Qb6 {[%emt 0:00:00]} (14... fxe4 $16 15. Qxe4 Qd7) 15. exf5 $18 {[%emt 0:00:00]} ({Stronger than} 15. Qxc4 fxe4 16. Nxe4 d5 $11) 15... Bxf5 16. Nd2 {[%emt 0:05:30] [#] Qf3 is the strong threat.} ({Don't take} 16. Qxc4 $6 Rb8 17. Re2 Bf6 $16) 16... Qxd4 {[%emt 0:00:00]} 17. Nxc4 {[%emt 0:00:00] Excellent horsemanship.} Qc5 {[%emt 0:00:00] Black did not feel at home in the position after the opening.   Weighted Error Value: White=0.10 (very precise) /Black=0.45} 1-0

[Event "9th Floripa Open 2023"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "6.7"]
[White "Gattass, Allan"]
[Black "Matsuura, Everaldo"]
[Result "*"]
[WhiteElo "2246"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "1"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 1,1,2]} 1. b3 {[%emt 1:31:00] A rather calm draw.} *

[Event "9th Floripa Open 2023"]
[Site "Florianopolis"]
[Date "2023.01.27"]
[Round "6.10"]
[White "Tomiello, Mateus Costamilan"]
[Black "Flores Quillas, Diego Saul Rodri"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2051"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,70,-6,-3,-29,-19,-31,0,-18,8,-17,-22,-23,-19,-33,21,0,0,-12,-16,-26,121,112,237,238,243,92,79,46,22,32,41,-13,89,77,82,-19,-20,-64,8,-26,0,0,0,-120,-123,-119,-121,-331,-5,-162,-91,-278,-269,-29991,-887,-808,-592,-567,-566]} 1. d4 {[%emt 0:02:53] ChessBase II} Nf6 {[%emt 0:05:43]} 2. c4 {[%emt 0:00:22]} e6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:01:00]} Bb4 {[%emt 0:00:09]} 4. e3 {[%emt 0:01:12]} O-O {[%emt 0:00:22]} 5. Nge2 {[%emt 0:00:32]} Re8 {[%emt 0:00:11]} 6. a3 {[%emt 0:01:18]} Bf8 {[%emt 0:00:06]} 7. Ng3 {[%emt 0:02:33]} d5 {[%emt 0:01:07]} 8. c5 {[%emt 0:03:58] E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3.} e5 {[%emt 0:03:07]} 9. Be2 {[%emt 0:02:56]} b6 {[%emt 0:10:28]} 10. b4 {[%emt 0:04:31] The position is equal.} a5 {[%emt 0:04:49] aiming for ...axb4.} 11. Rb1 {[%emt 0:02:22] [#]} (11. cxb6 {is interesting.} exd4 12. bxc7 Qxc7 13. Nb5) 11... axb4 $146 {[%emt 0:00:20]} ({Predecessor:} 11... c6 12. O-O Nbd7 13. Qb3 Qc7 14. Bd2 axb4 15. axb4 g6 16. b5 bxc5 17. b6 Qb7 18. dxc5 Nxc5 {0-1 Deaconu,M (1655)-Berescu,A (2468) ROM-chT Baile Herculane 2010 (6.54)}) 12. axb4 {[%emt 0:00:14]} bxc5 {[%emt 0:02:17]} 13. bxc5 {[%emt 0:01:26]} e4 {[%emt 0:06:33]} ({Black should try} 13... h5 $15) 14. O-O {[%emt 0:02:24]} g6 {[%emt 0:00:15]} 15. f3 {[%emt 0:02:56]} exf3 {[%emt 0:00:54]} 16. Bxf3 {[%emt 0:00:35]} h5 {[%emt 0:01:33]} (16... Bg7 $11) 17. e4 $16 {[%emt 0:10:38]} Ba6 {[%emt 0:07:14] [#]} (17... dxe4 $16 18. Ngxe4 (18. Bxe4 Bg4 $14) 18... Nxe4 19. Nxe4 (19. Bxe4 c6 $14) 19... Ba6) 18. Bg5 $1 $18 {[%emt 0:03:42]} Be7 {[%emt 0:04:36]} 19. Rf2 {[%emt 0:21:29]} (19. e5 $18 Ng4 20. Bxe7 (20. Bxd5 Bxg5 21. Rxf7 Rf8 $14) 20... Rxe7 21. Nxd5 (21. Bxd5 Ne3 $14)) 19... Ng4 $16 {[%emt 0:03:44][%mdl 64] Discovered Attack} 20. Bxe7 {[%emt 0:07:54]} (20. Bxg4 $5 Bxg5 21. Qf3 $16) 20... Nxf2 {[%emt 0:00:08]} 21. Kxf2 {[%emt 0:04:53]} Rxe7 {[%emt 0:01:41]} 22. Nxd5 {[%emt 0:06:24]} (22. exd5 $14 Ra7 23. Ra1) 22... Re6 {[%emt 0:01:07]} (22... Rd7 $1 $11 23. Qb3 Nc6) 23. e5 {[%emt 0:02:01][%cal Od5c7] Nxc7! would be deadly.} h4 {[%emt 0:07:13] [#]} 24. Ne2 {[%emt 0:03:24]} (24. Ne4 $1 $16 {Hoping for Nf4.} Qxd5 25. Nc3 {[%mdl 64] Pin, Deflection}) 24... Bxe2 $11 {[%emt 0:01:03]} 25. Qxe2 {[%emt 0:02:54]} Ra4 {[%emt 0:09:48] Prevents Qc4} (25... c6 $15 26. Nf6+ Rxf6 27. exf6 Qxd4+ 28. Kf1 Nd7) 26. Nf6+ {[%emt 0:04:50]} Kg7 {[%emt 0:00:37]} (26... Rxf6 {simplifies} 27. exf6 Qxd4+ 28. Kf1 Kh7) 27. d5 {[%emt 0:01:12]} Rea6 {[%emt 0:00:05][%cal Ob8c6] Strongly threatening ...Nc6!} 28. Rb2 {[%emt 0:01:32]} (28. Qe3 $11 {keeps the balance.}) 28... Nd7 $36 {[%emt 0:01:26][%mdl 2048] Keeping White busy.} 29. Nxd7 {[%emt 0:00:59]} Qxd7 {[%emt 0:00:02]} 30. e6 $2 {[%emt 0:00:38] [#]} fxe6 $2 {[%emt 0:02:49]} (30... Rxe6 $1 $19 31. Qd3 h3) 31. d6 $2 {[%emt 0:01:00]} Kf6 $19 {[%emt 0:03:09]} (31... cxd6 $2 32. Rb7 $18) 32. Rb7 $2 {[%emt 0:01:09]} (32. Be4 $17 {was necessary.}) 32... Ra2 {[%emt 0:00:53]} 33. Rxc7 $2 {[%emt 0:00:34]} (33. Rb2 $19 Rxb2 34. Qxb2+ e5 35. dxc7 Qxc7 36. Qb4) 33... Rxe2+ {[%emt 0:00:08]} (33... Qa4 $142 34. g3 Rxe2+ 35. Bxe2 Qd4+ 36. Kf1 hxg3 37. Rf7+ Kxf7 38. Kg2 Qf2+ 39. Kh3 Qxe2 40. Kh4 Ra4+ 41. Kxg3 Rg4+ 42. Kh3 Qg2#) 34. Bxe2 {[%emt 0:00:04] [#]} Qxc7 $3 {[%emt 0:00:07]} 35. dxc7 {[%emt 0:00:25]} Rc6 $1 {[%emt 0:00:02][%csl LRc5,LRc7] Never resign too early!   Weighted Error Value: White=0.75/Black=0.70} 0-1

