[Event "Magistral Osasco 2024"] [Site "Sao Paulo"] [Date "2024.03.26"] [Round "9.1"] [White "Quintiliano, Renato R."] [Black "Cubas, Jose Fernando"] [Result "1-0"] [ECO "E62"] [WhiteElo "2483"] [BlackElo "2417"] [Annotator "Stockfish 16"] [PlyCount "82"] [EventDate "2024.03.18"] [EventCountry "BRA"] {[%evp 20,82,47,40,42,42,42,51,45,43,36,47,45,42,48,51,322,306,310,323,337,331, 333,332,337,325,352,348,354,289,304,302,342,330,335,326,346,323,355,339,369, 345,353,353,410,352,395,385,413,401,544,544,542,535,538,530,517,525,577,530, 678,668,764,760,757]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qxd8 Rxd8 11. Bg5 {Threatens to win with Ne4.} Rd4 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} 12. Be3 Rd7 13. Nb5 Ng4 {White is slightly better.} 14. Bc5 Bf8 15. Bxf8 Kxf8 16. c5 $36 {[%mdl 2048] White has some pressure.} c6 $1 {[%CAl Rc6b5]} 17. Nd6 Nf6 $146 {Blunder. Re7 was best.} (17... Re7 18. a4) (17... Rc7 $14) ({Predecessor:} 17... f5 18. e4 Re7 19. Bh3 Be6 20. exf5 gxf5 21. Rae1 f4 22. gxf4 Rg7 23. Bg2 Bd5 {1-0 (32) Keymer,V (2591)-Rasik,V (2451) Tornelo INT 2021}) ({RR} 17... f5 18. e4 Re7 19. Bh3 Be6 20. exf5 gxf5 21. Rae1 f4 22. gxf4 Rg7 23. Bg2 Bd5 24. f3 exf4 25. fxg4 Rxg4 26. Rf2 f3 27. Ref1 Ke7 28. Rxf3 Bxf3 29. Rxf3 Rag8 30. Rf2 b6 31. Nf5+ Kd7 32. Nh6 {Keymer,V (2591) -Rasik,V (2451) Tornelo INT 2021 1-0 (32)}) ({RR} 17... f5 18. e4 Re7 19. Bh3 Be6 20. exf5 gxf5 21. Rae1 f4 22. gxf4 Rg7 23. Bg2 Bd5 24. f3 exf4 25. fxg4 Rxg4 26. Rf2 f3 27. Ref1 Ke7 28. Rxf3 Bxf3 29. Rxf3 Rag8 30. Rf2 b6 31. Nf5+ Kd7 32. Nh6 {Keymer,V (2591)-Rasik,V (2451) Tornelo INT 2021 1-0 (32)}) 18. Nxc8 $18 Rxc8 19. Bh3 {[%mdl 64] [#] Skewer} Rcc7 20. Bxd7 Nxd7 {[%mdl 4096] Endgame KRR-KRN} 21. Rac1 Ke7 22. Rfd1 Nf8 23. Rc4 Ne6 24. e3 h5 25. f4 Kf6 26. Rd6 Kf5 27. Kg2 Re7 (27... Rd7 $2 {27...e4 3.33}) 28. h3 exf4 29. exf4 Rc7 30. Kf3 Kf6 31. Re4 Ke7 32. Re5 Rc8 33. g4 hxg4+ 34. hxg4 Rh8 35. f5 {White is clearly winning.} gxf5 36. gxf5 {[%mdl 64] [#] Pin} Kf6 37. fxe6 Kxe5 38. exf7 Rb8 39. Kg4 b6 40. Kg5 bxc5 41. Rxc6 Ra8 {Precisão Chessbase: Brancas 89% Pretas 59% Precisão Lichess.org: Brancas 98% Pretas 97% Precisão Chess.com: Brancas 96.4% Pretas 89.4%} (41... Kd5) 1-0 [Event "Magistral Osasco 2024"] [Site "Sao Paulo"] [Date "2024.03.26"] [Round "9.2"] [White "Duarte Napoles, Fanny"] [Black "De Carvalho, Vitor Augusto Ponci"] [Result "0-1"] [ECO "B23"] [WhiteElo "2203"] [BlackElo "2134"] [Annotator "Stockfish 16"] [PlyCount "56"] [EventDate "2024.03.18"] [EventCountry "BRA"] {[%evp 11,56,7,64,-57,-58,-61,-59,-59,39,-67,-33,-90,-79,-155,-155,-155,-153, -160,-155,-292,-296,-444,-455,-449,-437,-593,-613,-615,-601,-678,-667,-819, -810,-756,-695,-767,-692,-795,-783,-791,-775,-756,-633,-857,-811,-1217,-916]} 1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. f4 d5 (6... Nf6 $11) 7. e5 $6 {Inaccuracy. f5 was best. B23: Closed Sicilian: Lines without g3.} (7. f5 d4 8. fxe6 fxe6 9. Nb1 (9. Qh5+ $16 g6 10. Qe5 {[%mdl 64] Double Attack}) 9... Nf6 10. Nf3 Nc6 11. a4 e5 (11... Be7 $14)) (7. f5 $14) 7... Ne7 $15 8. Nf3 Nf5 9. O-O {Black is slightly better.} Nd7 $146 {Mistake. h5 was best.} (9... h5 10. Bh3) (9... h5 $1 $15) ({Predecessor:} 9... h5 10. Qe1 Nc6 11. Nd1 Nb4 12. Qe2 d4 13. Ng5 Bxg2 14. Qxg2 Be7 15. Ne4 Rc8 {1/2-1/2 (29) Andreikin,D (2723) -Artemiev,V (2474) Kirov 2012}) 10. Qe1 $2 {Mistake. g4 was best.} (10. g4 Nh4 11. Nxh4 Qxh4 12. Qe2 Nb8 13. Qf3 Nc6 14. Ne2 O-O-O 15. c3 h5 16. g5 Qg4) ({ White should play} 10. g4 $14 Nd4 11. a3) 10... h5 $1 11. Ng5 (11. Nd1 $15) 11... Be7 12. Nxd5 $6 {Inaccuracy. Nd1 was best.} (12. Nd1) ({Better is} 12. Nd1) 12... Bxd5 $17 13. Bxd5 exd5 14. e6 O-O 15. exf7+ $6 {Inaccuracy. exd7 was best.} (15. exd7 Qxd7 16. Nf3 Rfe8 17. Ne5 Qb7 18. Qf2 c4 19. d4 f6 20. Nf3 Bd6 21. Bd2 Re4) (15. c3 $17 fxe6 16. Qxe6+ Kh8 17. Nf7+ Rxf7 18. Qxf7) 15... Rxf7 $19 16. Qe6 $6 {Inaccuracy. Nxf7 was best.} (16. Nxf7 Kxf7 17. Qe2 Nf6 18. Re1 Qd7 19. Be3 Ng4 20. Bd2 Rc8 21. Qf3 c4 22. h3 Nf6) (16. Nxf7 $142 Kxf7 17. Bd2) 16... Bxg5 $1 {Black is clearly winning.} 17. fxg5 {g6 is the strong threat.} Nf8 18. Qc6 Nd4 {[%mdl 64] [#] Double Attack} 19. Qxc5 {And now Rxf7 would win.} Nfe6 {[%mdl 64] Double Attack} 20. Qb4 Nxc2 21. Qh4 Rxf1+ 22. Kxf1 Nxa1 23. Qxh5 Rc8 24. Bd2 Rc2 25. Qg4 Qb6 26. Qe2 {[#]} Nxg5 $1 27. Qe8+ (27. Bxg5 Rxe2) 27... Kh7 28. Be3 Qg6 {Precisão Chessbase: Brancas 19% Pretas 85% Precisão Lichess.org: Brancas 87% Pretas 95% Precisão Chess.com: Brancas 78. 2% Pretas 91.9%} 0-1 [Event "Magistral Osasco 2024"] [Site "Sao Paulo"] [Date "2024.03.26"] [Round "9.3"] [White "Bobadilla Viera, Jorge Samuel"] [Black "Di Berardino, Diego Rafael"] [Result "1-0"] [ECO "D32"] [WhiteElo "2397"] [BlackElo "2497"] [Annotator "Stockfish 16"] [PlyCount "77"] [EventDate "2024.03.18"] [EventCountry "BRA"] {[%evp 18,77,23,15,20,20,20,38,27,21,277,246,402,247,277,260,265,280,280,248, 261,231,237,243,252,236,247,248,274,288,273,291,292,279,312,292,256,239,230, 229,252,236,239,239,445,305,321,219,219,207,229,236,231,237,237,228,275,231, 299,265,262,247]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 $146 ({RR} 4. Nc3 c6 5. e3 Nbd7 6. b3 Bd6 7. Bd3 O-O 8. O-O e5 9. cxd5 cxd5 10. dxe5 Nxe5 11. Nb5 Nxf3+ 12. gxf3 Bh3 13. Re1 Be5 14. Ba3 Ne4 15. f4 Nxf2 16. Kxf2 Qh4+ 17. Kg1 Bxa1 18. Bxf8 Rxf8 {Osorio Ramos,F (1794)-Fernandez Garcia,I (1893) Madrid 2014 0-1 (33) }) 4... c5 5. Nc3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 cxd4 { D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3.} 11. Rd1 {[%CAl Re3d4]} b4 12. exd4 {[#] And now d5 would win.} bxc3 {White is slightly better.} 13. d5 $1 {[%CAl Rd5c6]} Nd4 $146 {Blunder. Nxd5 was best.} (13... Nxd5) (13... Nxd5 $11 14. Rxd5 Qb8) ({Predecessor:} 13... Nxd5 14. Rxd5 Qc8 15. Rd3 Be7 16. Rxc3 Bf6 17. Rc2 O-O 18. Be3 Qb8 19. Rac1 Ne7 {1/2-1/2 (61) Dubov,D (2711)-Grischuk, A (2742) Chess.com INT 2022}) 14. Nxd4 $18 c2 $2 (14... Nxd5 {is a better defense.} 15. Nxe6 fxe6) 15. Nxc2 $6 {Inaccuracy. Qxc2 was best.} (15. Qxc2 Bxd5 16. Bxd5 Qxd5 17. Bg5 Qb7 18. Bxf6 $1 gxf6 19. Qa4+ Qd7 20. Nc6 Qb7 21. Na7+ Ke7) 15... Nxd5 16. Ne3 Be7 17. Nxd5 Bxd5 18. Bxd5 exd5 19. Bg5 {Rxd5! is the strong threat.} f6 20. Bf4 Kf7 21. Rac1 {[%CAl Ba1c1,Bc1c7,Bc7d7][%mdl 32] aiming for Re1.} ({Resist} 21. Re1 $6 Qd7 $16) 21... Re8 22. Rc7 Kg8 23. Qe6+ Kh8 24. Rd7 ({Inferior is} 24. Qxd5 Qxd5 25. Rxd5 Bd6 $17) 24... Qc8 { intending ...Ra7.} 25. Qxd5 {Threatens to win with Rc1.} Bf8 26. h3 {Hoping for Rc1.} Qc2 27. Qd2 $6 {Inaccuracy. b4 was best.} (27. b4 Qc3 28. Qf7 Qc2 29. Be3 Re7 30. Qh5 Re5 31. Qf3 Rc8 (31... Rae8 {was called for.} 32. R1d5 Qb2 33. Rxe5 Qxe5) 32. Ra7 Qa4 33. Rd3 h6) 27... Qa4 28. Rc1 Qb5 29. Be3 a5 30. Rcc7 Rab8 $6 {Inaccuracy. Qf5 was best.} (30... Qf5 31. Rd5 Qe6 32. Rxa5 Rad8 33. Qc2 Bd6 34. Rh5 {[%csl Gh5][%CAl Rc2h7]} f5 35. Rc6 Rf8 36. Rh4 Qe8 37. Rd4) ( 30... Qf5 $142 31. f3 a4) 31. Ba7 $6 {Inaccuracy. Bc5 was best.} (31. Bc5 Bxc5 32. Rxg7 Bxf2+ 33. Qxf2 Qb6 34. Rxh7+ Kg8 35. Rcg7+ Kf8 36. Qxb6 Rxb6 37. Ra7 { [%CAl Rh7h8]} Kg8) 31... Re2 32. Qxe2 $6 {Inaccuracy. Bxb8 was best.} (32. Bxb8 Rxd2 33. Rc8 {[%CAl Rc8f8]} Kg8 34. Rxd2 Kf7 35. Bg3 h5 36. Rdc2 h4 37. Bxh4 Qd5 38. Bg3 Kg6) 32... Qxe2 33. Bxb8 Qe8 {[#]} 34. Rb7 $1 h5 35. Bg3 Kh7 36. Kh2 Kg6 37. h4 Kh7 $6 {Inaccuracy. a4 was best.} (37... a4 38. Rbc7 Kh6 39. Rd4 Kh7 40. Rd5 Be7 41. Ra5 Kg6 42. Rc4 f5 43. Rf4 Qd7 44. Raxa4) 38. Rd5 a4 39. Rbb5 {. Precisão Chessbase: Brancas 72% Pretas 65% Precisão Lichess.org: Brancas 93% Pretas 89% Precisão Chess.com: Brancas 90.2% Pretas 87.9%} 1-0 [Event "Magistral Osasco 2024"] [Site "Sao Paulo"] [Date "2024.03.26"] [Round "9.4"] [White "Fier, Alexandr"] [Black "Do Valle Cardoso, Lucas"] [Result "1-0"] [ECO "D85"] [WhiteElo "2561"] [BlackElo "2406"] [Annotator "Stockfish 16"] [PlyCount "49"] [EventDate "2024.03.18"] [EventCountry "BRA"] {[%evp 19,49,6,3,13,29,38,44,36,56,48,145,121,125,125,175,171,217,205,196,119, 235,169,160,150,241,235,219,236,546,539,553,552]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Bb5+ Nc6 9. O-O O-O 10. Bxc6 bxc6 11. Qc2 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Qa5 12. a4 Rd8 {[%CAl Rc5d4]} ({RR} 12... cxd4 13. cxd4 Bg4 14. Ne5 Bxe5 15. dxe5 Qxe5 16. Bb2 Qa5 17. Bc3 Qc5 18. Rac1 Rfd8 19. Qb2 Qb6 20. Qa3 c5 21. Ba1 Rac8 22. Qc3 f6 23. e5 Rd4 24. exf6 exf6 25. Qg3 Rxa4 26. Rfe1 Bf5 27. Red1 {Smirnov,P (2530)-Dimitrov,R (2486) Ufa RUS 2024 0-1 (59)}) 13. Ba3 { White is slightly better.} cxd4 14. cxd4 e6 $146 {Mistake. Bg4 was best.} ( 14... Bg4) (14... Bg4 $14) ({Predecessor:} 14... Bg4 15. Ne5 Bxe5 16. dxe5 Qxe5 17. h3 Bd7 18. f4 Qd4+ 19. Kh2 c5 20. Bxc5 Rac8 21. Bxd4 Rxc2 22. Bxa7 { 1/2-1/2 (30) Abasov,N (2632)-Svidler,P (2688) Baku 2023}) ({RR} 14... Bg4 15. Ne5 Bxe5 16. dxe5 Qxe5 17. h3 Bd7 18. f4 Qd4+ 19. Kh2 c5 20. Bxc5 Rac8 21. Bxd4 Rxc2 22. Bxa7 Ra8 23. Bd4 Rxa4 24. Rxa4 Bxa4 25. Rf2 Rxf2 26. Bxf2 Bc6 27. e5 f6 28. exf6 exf6 29. g4 {Abasov,N (2632)-Svidler,P (2688) Baku AZE 2023 1/2-1/2 }) ({RR} 14... Bg4 15. Bxe7 Bxf3 16. Bxd8 Qxd8 17. gxf3 Bxd4 18. Rad1 Qg5+ 19. Kh1 Qf4 20. Rxd4 Qxf3+ 21. Kg1 Qg4+ 22. Kh1 Qf3+ 23. Kg1 Qg4+ 24. Kh1 Qf3+ { 1/2-1/2 (24) Moiseenko,A (2577)-Paravyan,D (2586) chess.com INT 2022}) ({RR} 14... Bg4 15. Bxe7 Re8 16. Bc5 Qd8 17. Ne5 Bxe5 18. dxe5 Rxe5 19. f3 Be6 20. Rfd1 Qc7 21. Rab1 Rg5 22. Bd6 Qa5 23. Be7 Rh5 24. g4 Rh3 25. Kg2 Rh6 26. h4 g5 27. hxg5 Rg6 28. Bf6 h6 29. Rh1 {Andreikin,D (2729)-Paravyan,D (2617) chess. com INT 2022 1-0}) 15. Bc5 ({Don't play} 15. Qxc6 $6 Ba6 $11) 15... Ba6 16. Rfe1 Bd3 {[#]} 17. Qc1 $1 ({Worse is} 17. Qxd3 Qxc5 18. e5 Qd5 $11) 17... f5 18. exf5 exf5 19. Ne5 Qa6 (19... Be4 $16 {might work better.}) 20. Qc3 $6 { Inaccuracy. h4 was best.} (20. h4 Re8 21. h5 Bxe5 22. dxe5 Qc4 23. hxg6 Qxc1 24. gxh7+ Kxh7 25. Raxc1 Be4 26. f3 Bd5) 20... Be4 21. Qg3 Rd5 $6 {Inaccuracy. Qb7 was best.} (21... Qb7 22. h4 Re8 23. a5 a6 24. f3 Bd5 25. Rab1 Qc8 26. Rb6 Qd8 27. Reb1 Bf6 28. h5) (21... Bd5 $16) 22. Qb3 $18 Bxe5 23. dxe5 {[%CAl Bd4e5,Be5e6][%mdl 32]} Qd3 $4 {Blunder. Re8 was best.} (23... Re8 24. Rad1 Qa5 25. Be3 f4 (25... h5 {was necessary.} 26. f3 Bd3) 26. Bxf4 Bf5 27. Bh6 Qb6 28. Qa2 Qb4 29. Qa1 Rxd1 30. Rxd1) (23... Re8 $142 24. f3 Qd3) 24. Qb7 $1 {[%csl Ba7,Ba8,Bc6][%mdl 64] [#] Double Attack} Rad8 25. e6 {. Precisão Chessbase: Brancas 93% Pretas 36% Precisão Lichess.org: Brancas 96% Pretas 85% Precisão Chess.com: Brancas 96.7% Pretas 85.7%} 1-0 [Event "Magistral Osasco 2024"] [Site "Sao Paulo"] [Date "2024.03.26"] [Round "9.5"] [White "Molina, Roberto Junio Brito"] [Black "Valderrama Quiceno, Esteban Alb"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2376"] [BlackElo "2428"] [Annotator "Stockfish 16"] [PlyCount "28"] [EventDate "2024.03.18"] [EventCountry "BRA"] {[%evp 27,28,0,10]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 {Precisão Lichess.org: Brancas 98% Pretas 98% Precisão Chess.com: Brancas 99.9% Pretas 99.9%} 1/2-1/2