[Event "Memorial Silvio Mendes"] [Site "Club Municipal Rua Haddock Lobo 359 Tijuca Rio de Janeiro"] [Date "2024.07.01"] [Round "4.1"] [White "Rafael, Ventura Dos Santos"] [Black "Luis, Felipe Garcia De Oliveira"] [Result "1/2-1/2"] [ECO "A35"] [WhiteElo "2233"] [BlackElo "1883"] [PlyCount "131"] [GameId "2063381922463954"] [EventDate "2024.06.10"] {[%evp 14,131,34,13,127,-40,-15,-33,-35,-39,0,0,-1,-33,-35,-123,-119,-160,-160,-162,-162,-159,-150,-161,-151,-164,-156,-161,-165,-155,-124,-124,-64,-157,-158,-169,-144,-151,-158,-148,-123,-124,-115,-114,-115,-168,-84,-74,-25,-45,0,-6,0,-1,0,-12,0,-9,0,2,22,17,25,26,62,-126,-114,-123,-133,-114,-96,-261,-223,-214,-201,-258,-263,-253,-205,-206,-78,-243,-25,-490,-489,-486,-483,-474,-441,-419,-408,-411,-405,-411,-398,-396,-357,-551,-550,-533,-526,-699,-665,-589,-15,-11,-11,-11,-11,-11,-11,-11,-11,-11,-11,-12,-11,-12,-12,-11]} 1. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. d4 Nc6 7. Nf3 g6 {7...a6 gains popularity.} 8. Bc4 Be6 {[%eval 127,27] [%wdl 740,260,0] A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} ({RR} 8... Nxc3 9. bxc3 (9. Qb3 $5 Nd5 10. Bxd5 $11) 9... Bg7 10. O-O O-O 11. Re1 Qa5 12. Bb2 Bg4 13. h3 Bxf3 14. Qxf3 Rac8 15. Bb3 e6 16. Rad1 Qa6 17. d5 Ne5 18. Rxe5 Bxe5 19. dxe6 {[%eval 34,24] [%wdl 59,938,3]} (19. Qe4 $1 $16 {[%eval 118,26] [%wdl 704,296,0][%CAl Re4e5]} f6 20. dxe6) 19... fxe6 $14 20. Qe3 Bg7 $1 21. Bxe6+ Kh8 22. Bxc8 Qxa2 23. Qd2 {½-½ Vitiugov,N (2712)-Gelfand,B (2739) Alekhine Memorial Paris/St Petersburg 2013 (4)} (23. Bc1 $5 Rxc8 24. Rd7 $16)) (8... Nb6 $11 {[%eval 13,25] [%wdl 51,928,21]} 9. Bb3 Bg7) 9. Bb5 $146 {[%eval -40,26] [%wdl 8,878,114]} ({RR} 9. Qb3 Nxc3 10. Bxe6 fxe6 11. bxc3 Qd5 12. Qxb7 Qe4+ {[%eval 228,27] [%wdl 993,7,0]} (12... Rb8 $16 {[%eval 124,25] [%wdl 728,272,0]} 13. Qa6 e5) 13. Be3 $18 Rb8 14. Qa6 Bh6 15. O-O $1 Bxe3 16. fxe3 {Ng5 would now be deadly.} O-O 17. Qe2 {Inhibits Rb2.} Rf5 18. Rac1 Kg7 19. Nd2 Rb2 20. Nxe4 {[%eval 85,25] [%wdl 359,641,0]} (20. g4 $1 $18 {[%eval 213,23] [%wdl 994,6,0][%CAl Rg4f5] has better winning chances.} Rxf1+ 21. Rxf1) 20... Rxe2 $16 21. Nc5 Rxf1+ 22. Kxf1 Rxa2 23. Nxe6+ Kf6 {0-1 Pravez,L (1816)-Ungurean,F (1966) Wiesbaden op 27th 2015 (4)}) ({RR} 9. Qb3 Ncb4 $2 {[%eval 350,20] [%wdl 1000,0,0]} (9... Nxc3 $16 {[%eval 118,27] [%wdl 673,327,0]} 10. Bxe6 fxe6) 10. Nxd5 $18 Nxd5 11. Bb5+ $1 Bd7 12. Bxd7+ Qxd7 13. Ne5 Qe6 14. Qb5+ Kd8 {...f6 is the strong threat.} 15. Qxb7 Rc8 16. Bd2 Bg7 17. Ba5+ $2 {[%eval 115,26] [%wdl 666,334,0]} (17. O-O $1 $18 {[%eval 366,23] [%wdl 1000,0,0] and the rest is easy.} Bxe5 18. dxe5) 17... Ke8 $16 18. O-O $1 f6 {[%eval 205,36] [%wdl 990,10,0]} (18... Bxe5 $16 {[%eval 113,24] [%wdl 652,348,0] is a better defense.} 19. dxe5 Qd7) 19. Nd3 {[%CAl Of1c1]} Kf7 20. Nc5 Qd6 21. Ne4 {[%eval 88,25] [%wdl 388,612,0]} (21. Qb3 $142 {[%eval 160,25] [%wdl 942,58,0]}) 21... Qc6 $16 22. Qxc6 Rxc6 23. Rac1 Rhc8 $1 {1-0 Khodko,Y (1845)-Von Mettenheim,J (1945) Wch FIDE Online U12 Europe qual Tornelo INT rapid 2020 (7)}) ({RR} 9. Ng5 $2 {[%eval -144,27] [%wdl 0,165,835][%mdl 8192] 9.?b3 1.07} Nxc3 10. Nxe6 Nxd1 11. Nxd8 Rxd8 12. Kxd1 $2 {[%eval -496,24] [%wdl 0,0,1000]} (12. d5 $17 {[%eval -151,25] [%wdl 0,121,879] was the crucial defense.} Nd4 13. Kxd1) 12... Rxd4+ {0-1 Gasik,P (2139)-Sretenskij,N (2407) Internet Section 08A g/8'+2" Dos Hermanas blitz 2004 (3)}) ({RR} 9. Qb3 Nxc3 10. Bxe6 Nxd4 $2 {[%eval 782,21] [%wdl 1000,0,0][%mdl 8192]} (10... fxe6 $16 {[%eval 107,24] [%wdl 579,420,1]} 11. bxc3 Qd7) 11. Bxf7+ $18 Kd7 12. Nxd4 Qc7 13. Qxc3 Qe5+ 14. Ne2 Qxc3+ 15. Nxc3 e6 16. Bg5 Be7 17. Rd1+ Bd6 18. Ne4 Rhf8 19. Rxd6+ Kc7 20. Bxe6 Rae8 21. O-O Kb8 22. Rfd1 a5 23. Rd8+ Ka7 {1-0 Pazderski,B-Di Lascio,S (2024) Campobasso op 11th 2004 (6)}) (9. Qb3 $16 {[%eval 127,27] [%wdl 740,260,0][%CAl Rc4d5]} Nxc3 10. Bxe6 (10. bxc3 Bxc4 11. Qxc4 Bg7 $11) 10... fxe6 11. bxc3) 9... Qa5 $146 ({Predecessor:} 9... a6 10. Bxc6+ bxc6 11. O-O Bg7 12. Re1 O-O 13. h3 Rb8 14. Qa4 Qb6 15. Ne4 Rfe8 16. Nc5 {0-1 Samaganova,A (1856)-Fishchuk,V (2252) Titled Tuesday intern op 30th May Early Chess.com INT blitz 2023 (8)}) 10. Qa4 Qxa4 {Black is slightly better.} 11. Bxa4 Nxc3 12. bxc3 Bg7 13. Bf4 O-O 14. Rb1 {[%eval -123,20] [%wdl 0,276,724]} (14. O-O $15 {[%eval -35,25] [%wdl 5,916,79]}) 14... Na5 $17 {[%CAl Of8c8]} 15. Rb2 Rac8 16. Bd2 {[#]} b6 $1 17. Bb5 Nc4 18. Bxc4 Rxc4 19. O-O Ra4 {[%CAl Oe6d5]} 20. Ra1 Rc8 21. a3 Bd5 {White is weak on the light squares} 22. Rb4 Rc4 {[%eval -64,27] [%wdl 0,832,168]} ({Black should try} 22... Ra6 $17 {[%eval -124,27] [%wdl 0,238,762]} 23. Ne5 Ra5) 23. Rxa4 {[%eval -157,27] [%wdl 0,63,937]} (23. Ne5 $1 $15 {[%eval -64,27] [%wdl 0,832,168]} Rcxb4 24. cxb4) 23... Rxa4 24. Ne1 Bc4 {Inhibits Nd3.} 25. Nc2 e6 26. Ne3 Bd3 27. Nd1 {Threatens to win with Nb2.} Bc2 28. Nb2 {[%CAl Oa1c1] [#]} Ra6 $1 29. f3 Bf8 {[%eval -84,24] [%wdl 0,684,316]} (29... b5 $19 {[%eval -168,23] [%wdl 0,29,971][%CAl Ob5b4]} 30. Be3 Rc6) 30. a4 Be7 (30... Bg7 $5) 31. c4 Bd6 32. Bc3 f6 33. Kf2 e5 (33... Bxh2 $2 {perishes.} 34. g3 $18) 34. d5 Kf7 35. Ke3 h5 36. Kd2 Bf5 37. Nd3 Bd7 38. a5 Bf5 39. Nb4 $2 {[%eval -126,30] [%wdl 0,186,814]} (39. h3 $14 {[%eval 62,25] [%wdl 100,900,0] stays ahead.}) 39... Rxa5 40. Rxa5 bxa5 {[%mdl 4096] Endgame. KBB-KBN} 41. Nc6 a4 {White must now prevent ...a3.} 42. Nxa7 $2 {[%eval -261,24] [%wdl 0,0,1000]} (42. Nd8+ $17 {[%eval -96,26] [%wdl 0,567,433]} Ke7 43. Nb7) 42... Bc5 43. Nc6 a3 44. Na5 a2 45. Nb3 Ba3 46. Ba1 Ke7 {[%eval -78,28] [%wdl 0,801,199]} (46... e4 $19 {[%eval -206,25] [%wdl 0,2,998] Strongly threatening ...exf3.} 47. fxe4 Bxe4) 47. c5 $2 {[%eval -243,25] [%wdl 0,0,1000]} (47. Kc3 $17 {[%eval -78,28] [%wdl 0,801,199]}) 47... Kd7 $2 {[%eval -25,26] [%wdl 0,991,9]} (47... e4 $19 {[%eval -243,25] [%wdl 0,0,1000] Hoping for ...Bb4+.} 48. Bd4 Bb4+ 49. Kd1 Kd7) 48. Ke3 $2 {[%eval -490,27] [%wdl 0,0,1000][%mdl 8192]} (48. Kc3 $11 {[%eval -25,26] [%wdl 0,991,9]}) 48... Bc2 $19 49. c6+ Kd6 50. Na5 Bc5+ ({But not} 50... Kxd5 51. Kd2 Bf5 52. Kc3 $19) ({Not} 50... Bc1+ 51. Ke2 $19) 51. Kd2 Ba4 52. Nb7+ Kxd5 53. Nxc5 Kxc5 {KB-KB} 54. c7 Bd7 55. f4 {[%eval -551,22] [%wdl 0,0,1000]} (55. Kc2 {[%eval -357,30] [%wdl 0,0,1000] might work better.} g5 56. Bc3) 55... exf4 56. Bxf6 Kd6 57. g3 fxg3 (57... Kxc7 $2 58. Be5+ Kc6 59. gxf4 $17) 58. hxg3 Kxc7 $2 {[%eval -15,32] [%wdl 1,995,4]} (58... Ke6 $19 {[%eval -589,25] [%wdl 0,0,1000]} 59. Bg7 Kd6) 59. Kc2 {The position is equal.} Kd6 60. Kb2 Be6 61. Bd8 Ke5 62. Be7 Kf5 63. Bd6 Kg4 64. Bc7 g5 65. Bb8 h4 66. gxh4 {Whites escaped into a draw. Weighted Error Value: White=0.47/Black=0.37. Loses game: White=3 --- Missed win: --- Black=1 Mistake: White=5 Black=3 Inaccurate: White=4 Black=4 OK: White=22 Black=15 Best: White=2 Black=8 Strong: --- Black=1} 1/2-1/2 [Event "Memorial Silvio Mendes"] [Site "Club Municipal Rua Haddock Lobo 359 Tijuca Rio de Janeiro"] [Date "2024.07.01"] [Round "4.2"] [White "Silas, Carvalho Fernandes"] [Black "Guilherme, De Moura Silva"] [Result "1-0"] [ECO "A04"] [WhiteElo "2100"] [BlackElo "1646"] [PlyCount "39"] [GameId "2063374829232313"] [EventDate "2024.06.10"] {[%evp 9,39,17,98,70,91,84,105,76,98,98,101,61,135,99,105,62,170,186,269,152,416,419,398,290,436,348,443,444,482,457,439,423]} 1. d3 e6 2. Nf3 c5 ({RR} 2... d5 3. Nbd2 Nc6 4. g3 Nf6 5. Bg2 Bc5 6. O-O a5 7. c3 O-O 8. Qa4 Bd7 9. Qc2 e5 10. e4 dxe4 11. dxe4 Qe7 12. Nc4 Rfd8 13. a4 Ng4 14. b3 Be6 15. Qe2 h6 16. Nh4 Nf6 17. Ra2 {1-0 Tosic,M (2445)-Novoselski,Z (2388) SRB Central-ch Vrnjacka Banja 2008 (8)}) 3. g3 ({RR} 3. Nbd2 Nc6 4. g3 d5 5. Bg2 Be7 6. c3 h5 7. h4 Nf6 8. O-O e5 9. e4 dxe4 10. dxe4 Bg4 11. Qe2 Qd7 12. Nc4 O-O-O 13. Bg5 Qe6 14. Ne3 g6 15. Rfe1 Bh3 16. Qc4 Bg4 17. Nd5 Kb8 {1-0 Tomerlin,S (2173)-Vargic,D (2276) CRO-chT1B 29th Mali Losinj 2021 (2.5)}) 3... Nc6 4. Bg2 Be7 $146 ({RR} 4... Nf6 5. O-O Be7 6. Nbd2 Qc7 7. c3 O-O 8. e4 d6 9. Qe2 Rb8 10. h3 b5 11. Nh2 Ba6 12. f4 b4 13. c4 Nd4 14. Qf2 Nh5 15. Bf3 Nf6 16. Bd1 d5 17. Re1 dxe4 18. dxe4 Nd7 19. b3 {½-½ Kauch,M-Meyer,S (2150) Wiesbaden op 20th 2001 (9)}) ({RR} 4... d5 5. b3 Be7 6. O-O Bf6 7. c3 h5 8. h3 e5 9. e4 d4 10. c4 g5 11. Nh2 Be6 12. f4 gxf4 13. gxf4 exf4 14. Nf3 Qd7 15. Kh2 Nh6 16. Rh1 O-O-O 17. Kg1 Rdg8 18. Kf1 Rxg2 19. Kxg2 {0-1 Knudsen,O (2230)-Meyer,L DEN-chB Denmark 1989}) ({RR} 4... Nf6 5. O-O Be7 6. c4 b6 7. Nc3 Bb7 8. d4 Nxd4 9. Nxd4 Bxg2 10. Kxg2 cxd4 11. Qxd4 Bc5 12. Qd3 O-O 13. Bg5 h6 14. Bf4 Qe7 15. a3 e5 16. Bd2 e4 17. Qc2 e3 18. fxe3 Bxe3 19. Rf3 {1-0 Menna Barreto,F-Pertuzatti,D (2017) Gauchos-ch Santa Cruz do Sul 2007 (6)}) 5. O-O g5 $146 {[%eval 98,24] [%wdl 502,497,1]} (5... d5 $11 {[%eval 17,27] [%wdl 59,923,18]}) ({Predecessor:} 5... h5 6. h4 Nf6 7. e4 Nh7 8. Be3 g5 9. hxg5 d6 10. Nbd2 Nxg5 11. Nxg5 Bxg5 {1-0 Villarreal,H (2116)-Lupis,F (1983) Villa Martelli op-A 21st 2014 (8)}) 6. c4 {A04: Unusual lines after 1 Nf3 and King's Indian Attack.} g4 7. Ne1 h5 8. e3 {White is better.} Nf6 9. d4 {[%CAl Bd3d4,Bd4d5][%mdl 32]} h4 10. Nc3 {[%CAl Bb1c3,Bc3e4,Be4d6][%mdl 32]} a6 {[%eval 135,20] [%wdl 799,201,0]} (10... d6 $14 {[%eval 61,22] [%wdl 209,788,3]}) 11. d5 Ne5 12. b3 {Hoping for d6.} Nh5 {[%eval 170,23] [%wdl 942,58,0]} (12... Qc7 $14 {[%eval 62,25] [%wdl 207,791,2]}) 13. Bb2 $18 hxg3 {[%eval 269,21] [%wdl 999,1,0]} (13... d6 $142 {[%eval 186,27] [%wdl 967,33,0]} 14. dxe6 Bxe6) 14. hxg3 {[%eval 152,23] [%wdl 892,108,0]} (14. fxg3 $18 {[%eval 269,21] [%wdl 999,1,0] d6 is the strong threat.} f5 15. dxe6 dxe6 16. Qxd8+ Bxd8 17. Ne4) 14... Bh4 $2 {[%eval 416,23] [%wdl 1000,0,0] [#] This move loses the game for Black.} (14... d6 $16 {[%eval 152,23] [%wdl 892,108,0]} 15. dxe6 (15. Nd3 Nxd3 16. Qxd3 e5 $11) 15... Bxe6) 15. Ne4 (15. gxh4 Nf4 16. h5 (16. exf4 $2 Qxh4 17. f3 g3 $19) 16... Qh4 $11) 15... Bf6 16. Qe2 (16. Nxc5 Nf3+ 17. Bxf3 Bxb2 $16) 16... b6 {[%eval 436,23] [%wdl 1000,0,0]} (16... exd5 {[%eval 290,25] [%wdl 1000,0,0] might work better.} 17. cxd5 (17. Nxc5 d6 $16) 17... d6) 17. dxe6 dxe6 18. Rd1 {White is clearly winning.} ({Don't take} 18. Nxf6+ Qxf6 19. Bxa8 Qh6 $18) 18... Qe7 19. Nd6+ Kf8 20. Bxa8 {Weighted Error Value: White=0.40/Black=0.68. Loses game: --- Black=1 Mistake: White=1 Black=4 Inaccurate: White=2 --- OK: White=5 Black=2} 1-0 [Event "Memorial Silvio Mendes"] [Site "Club Municipal Rua Haddock Lobo 359 Tijuca Rio de Janeiro"] [Date "2024.07.01"] [Round "4.3"] [White "Jorge, Luiz Das Chagas Macario"] [Black "Iago, Henrique Da Silva Souza"] [Result "0-1"] [ECO "D52"] [WhiteElo "1770"] [BlackElo "2127"] [PlyCount "72"] [GameId "2063378008977605"] [EventDate "2024.06.10"] {[%evp 21,72,16,33,15,25,0,3,-1,0,-3,199,5,16,16,47,11,17,20,118,119,145,-64,-58,-58,-64,-62,-57,-97,-103,-130,-131,-211,-219,-264,-235,-241,-120,-458,-458,-466,-467,-465,-464,-460,-433,-444,-425,-455,-451,-460,-437,-508,-509]} 1. c4 Nf6 2. d4 e6 3. Nf3 d5 4. Bg5 Nbd7 5. e3 c6 6. Nc3 Qa5 7. Bxf6 Nxf6 8. Qc2 Bb4 9. Nd2 O-O 10. Bd3 Re8 {[%CAl Bf8e8,Be8e5,Be5h5][%mdl 32]} 11. O-O e5 12. dxe5 {D52: Queen's Gambit Declined: Cambridge Springs Variation.} ({RR} 12. Nb3 Qd8 13. cxd5 Bxc3 14. bxc3 e4 15. Be2 Qxd5 16. Rae1 Qg5 17. f4 Qh4 18. Nd2 Nd5 19. Bc4 Nf6 20. Be2 Bf5 21. Nc4 {Nd6 would now be deadly.} Nd5 22. Qd2 Re6 {Against Nd6. And now ...Rh6 would win.} 23. Rf2 Rd8 24. Rb1 b6 25. Bf1 Qe7 26. a4 f6 {[%eval 149,22] [%wdl 922,78,0];0-1 Schneider,B (2441)-Boidman,Y (2404) BEL-chT 0405 Belgium 2004 (4)} (26... h5 $11 {[%eval 22,23] [%wdl 23,974,3]})) ({RR} 12. Nb3 Qc7 13. cxd5 Bxc3 14. Qxc3 {dxc6 is the strong threat.} Nxd5 15. Qd2 e4 16. Bc4 Nf6 17. h3 {Wards off Ng4} Be6 18. Rfc1 Rad8 19. Bxe6 Rxe6 20. Nc5 Re7 21. b4 {[%CAl Ob4b5]} Rd5 22. Qc2 Qd6 23. Rab1 Rg5 24. a4 Qd5 {[%eval 93,23] [%wdl 435,565,0]} (24... Qb8 $14 {[%eval 36,26] [%wdl 49,949,2]}) 25. Qe2 {[%eval 0,30] [%wdl 8,984,8]} ({Better is} 25. b5 $16 {[%eval 93,23] [%wdl 435,565,0]}) 25... Qf5 $11 26. Kh2 Rh5 {[%eval 73,24] [%wdl 212,788,0];1-0 Serditykh,O (1961)-Emelyanova,V (1765) RUS-ch U20 Girls Loo 2021 (2)} (26... b6 $15 {[%eval -45,25] [%wdl 1,931,68]} 27. Na6 Qc8)) 12... Rxe5 13. Rac1 $146 ({RR} 13. Nf3 Re8 14. Ne2 Bg4 15. Ned4 dxc4 16. Bxc4 Bd6 17. h3 Bh5 18. Qb3 Qc7 19. Rac1 Ne4 20. Rfd1 Rad8 21. Qc2 (21. Nf5 $5) 21... Bg6 22. Bd3 Qe7 23. Qe2 a6 24. Bc2 c5 25. Nb3 b5 26. Nbd2 f5 27. a4 Bh5 {[%eval -10,24] [%wdl 4,985,11];1-0 Colle,E-Spielmann,R Merano 1924 (13)} (27... Bf7 $15 {[%eval -69,22] [%wdl 0,816,184]})) ({RR} 13. a3 Bxc3 {½-½ Rudloff,J-Hentzgen,T GER-ch int U20 Hamburg 1993}) ({RR} 13. Nb3 Qc7 14. Ne2 Bd6 15. c5 Bf8 16. Nbd4 a5 17. b3 g6 {Hoping for ...Nd7.} 18. a3 $1 Bh6 19. Nf3 Re7 20. Ned4 Bg4 21. b4 Bxf3 22. Nxf3 Ng4 {[%CAl Og4f2] White must now prevent ...Nxf2!} 23. Rae1 Rae8 24. h3 {[#]} Nxf2 $1 25. Kxf2 {[%eval -130,31] [%wdl 0,181,819]} (25. Qxf2 $15 {[%eval -70,25] [%wdl 0,801,199]} Bxe3 26. Rxe3 Rxe3 27. Qc2) 25... Bxe3+ $17 26. Rxe3 Rxe3 27. Rb1 R8e7 {½-½ Klapsch,J (1920)-Teuschler,H (2095) Graz-ch 1994 (5)}) ({Predecessor:} 13. cxd5 cxd5 14. Nb3 Qd8 15. Nb5 Bd7 16. Rad1 Rc8 17. Qb1 a6 18. N5d4 Rh5 19. Be2 {0-1 Mostek,J (1780)-Svoboda,R (2034) CZE-chT2E 1718 Czech Republic 2017 (9.6)}) 13... Rh5 14. cxd5 {The position is equal.} Qc7 {[%csl Gh5][%CAl Rc7h2]} 15. g3 Qd7 {[%eval 199,25] [%wdl 984,16,0]} (15... Bxc3 $11 {[%eval -3,25] [%wdl 16,962,22]} 16. Qxc3 Nxd5) 16. Rfe1 $2 {[%eval 5,27] [%wdl 22,964,14]} ({White must play} 16. Be2 $18 {[%eval 199,25] [%wdl 984,16,0]}) 16... Bxc3 17. bxc3 Rxd5 18. Nc4 b5 (18... Rxd3 19. Ne5 Qd6 20. Nxd3 $16) 19. Nb2 Qg4 {[%eval 118,22] [%wdl 707,293,0] [#]} (19... Re5 $11 {[%eval 20,27] [%wdl 33,961,6]}) 20. e4 $1 $16 Rd8 21. Qe2 $2 {[%eval -64,22] [%wdl 1,826,173]} ({White should try} 21. e5 $16 {[%eval 145,26] [%wdl 890,110,0]} Nd5 22. Bxh7+ Kf8 23. Be4) 21... Qxe2 $15 22. Rxe2 Bg4 23. Re3 Be6 $36 {[%mdl 2048] Black is more active.} 24. c4 Ng4 25. Ree1 Ne5 {Black is more active.} 26. Be2 {[%eval -211,22] [%wdl 0,4,996]} (26. Re3 $17 {[%eval -131,27] [%wdl 0,170,830] was necessary.}) 26... Rd2 $19 27. Nd1 Bxc4 ({Stronger than} 27... Rxa2 28. cxb5 cxb5 29. Nc3 $11) 28. Bxc4 bxc4 {[%eval -120,24] [%wdl 0,256,744]} (28... Nxc4 $19 {[%eval -241,26] [%wdl 0,1,999] is more deadly.} 29. a4 Ne5) 29. Kf1 $2 {[%eval -458,23] [%wdl 0,0,1000][%mdl 8192]} (29. Rf1 $17 {[%eval -120,24] [%wdl 0,256,744] nothing else works.}) 29... Nd3 {Black is clearly winning.} ({Weaker is} 29... Rxa2 30. Re2 Ra4 31. Nb2 $17) 30. Rxc4 Nxe1 (30... Rxa2 31. Re2 Ra1 32. Rd2 Rxd1+ 33. Rxd1 $11) 31. Kxe1 Rxa2 32. Rxc6 {KRR-KRN} Rd8 33. Ne3 a5 34. Nd5 h6 35. h4 Re8 36. f3 Rb8 {Weighted Error Value: White=0.61/Black=0.33. Loses game: White=1 Black=1 Missed win: White=1 --- Mistake: White=2 Black=2 Inaccurate: White=2 Black=1 OK: White=4 Black=7 Best: --- Black=4 Strong: White=1 ---} 0-1 [Event "Memorial Silvio Mendes"] [Site "Club Municipal Rua Haddock Lobo 359 Tijuca Rio de Janeiro"] [Date "2024.07.01"] [Round "4.4"] [White "Leticia, Fritz Henrique"] [Black "Natacio, Goncalves Bezerra"] [Result "0-1"] [ECO "D11"] [WhiteElo "1723"] [BlackElo "2007"] [PlyCount "27"] [GameId "2063371462250671"] [EventDate "2024.06.10"] {[%evp 9,27,46,64,42,125,67,127,81,160,160,167,115,272,251,262,210,223,172,226,-137]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. g3 a6 5. Bg2 b5 ({RR} 5... Bf5 6. Nc3 e6 7. O-O Nbd7 8. Nh4 Bg4 9. h3 Bh5 10. Qb3 Qb6 11. Rd1 h6 12. f4 dxc4 13. Qxc4 g5 14. fxg5 hxg5 15. Bxg5 Rg8 {[%eval 159,24] [%wdl 924,76,0]} (15... O-O-O $14 {[%eval 60,22] [%wdl 179,819,2]}) 16. Bf4 $1 $16 Nd5 17. Nxd5 cxd5 18. Qd3 Bd6 {[#]} 19. Qe3 $1 Bxf4 20. Qxf4 {1-0 Le,Q (2715)-Ivanchuk,V (2698) Saint Louis Spring-A 2019 (9)}) 6. c5 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} ({RR} 6. b3 e6 7. O-O Nbd7 8. Nbd2 Be7 9. Qc2 Ra7 10. Re1 {[%eval 38,22] [%wdl 103,890,7]} ({White should play} 10. c5 $16 {[%eval 130,21] [%wdl 763,237,0]}) 10... bxc4 11. bxc4 c5 12. cxd5 Nxd5 13. Ne4 {[%eval 22,26] [%wdl 51,939,10]} (13. Nc4 $16 {[%eval 96,22] [%wdl 483,516,1]}) 13... Rc7 14. Nxc5 Nxc5 15. dxc5 Rxc5 16. Qa4+ Bd7 17. Qd4 {And now Bh6 would win.} Nb4 $2 {[%eval 180,24] [%wdl 970,30,0]} (17... Rc2 $11 {[%eval 12,25] [%wdl 27,963,10]}) 18. Qxb4 $2 {[%eval 0,34] [%wdl 14,972,14]} (18. Bg5 $18 {[%eval 180,24] [%wdl 970,30,0] Strongly threatening Bxe7.} Nc2 19. Qxg7) 18... Rxc1 $1 $11 19. Qb7 Rxa1 20. Rxa1 {[%CAl Of3e5]} Bb5 {½-½ De Coninck,R (2119)-Jonsson,J (1770) Reykjavik Kvika op 2022 (8)}) 6... Nbd7 {[%eval 125,24] [%wdl 719,281,0]} (6... a5 $14 {[%eval 42,25] [%wdl 129,863,8]}) 7. Bf4 $146 {[%eval 67,23] [%wdl 257,740,3]} ({RR} 7. O-O e6 {[%eval 166,23] [%wdl 913,87,0]} (7... a5 $16 {[%eval 83,22] [%wdl 374,624,2] was necessary.}) 8. Nbd2 Be7 9. Nb3 {[%eval 87,26] [%wdl 411,588,1]} (9. a4 $142 {[%eval 158,24] [%wdl 894,106,0]}) 9... a5 $16 10. a3 {[%eval 16,22] [%wdl 51,933,16]} (10. Qc2 $16 {[%eval 90,24] [%wdl 433,566,1]}) 10... O-O {[%eval 89,20] [%wdl 424,575,1]} (10... a4 $11 {[%eval 16,22] [%wdl 51,933,16]} 11. Nbd2 O-O) 11. Bd2 Ne4 12. Be1 {[%eval -16,24] [%wdl 13,942,45]} (12. Be3 $14 {[%eval 42,20] [%wdl 108,887,5]}) 12... f5 {[%eval 40,23] [%wdl 97,898,5]} ({Better is} 12... Qc7 $11 {[%eval -16,24] [%wdl 13,942,45]}) 13. Nfd2 {[%eval -56,26] [%wdl 3,830,167]} (13. Nc1 $14 {[%eval 40,23] [%wdl 97,898,5]}) 13... Bf6 14. f3 Nxd2 15. Qxd2 {[%CAl Of3f4]} a4 16. Nc1 e5 17. e3 e4 18. f4 g5 19. fxg5 {[%eval -117,25] [%wdl 0,306,694]} (19. Na2 $15 {[%eval -53,24] [%wdl 1,877,122]}) 19... Bxg5 $17 20. Bh3 Nf6 21. Bxf5 $2 {[%eval -326,22] [%wdl 0,0,1000]} (21. Ne2 $17 {[%eval -129,21] [%wdl 0,202,798]}) 21... Bxf5 {0-1 Sohier,R (1940)-Fourcart,M (2020) FRA-chT4 0506 France 2005 (4)}) ({RR} 7. Nc3 {[%eval 56,23] [%wdl 190,805,5] 7.a4 1.34} e5 {[%eval 193,19] [%wdl 964,36,0]} (7... g6 $1 $14 {[%eval 56,23] [%wdl 190,805,5]}) 8. dxe5 $18 Ng4 9. Nd4 Bb7 {[%eval 273,24] [%wdl 998,2,0]} (9... Ndxe5 $142 {[%eval 171,21] [%wdl 930,70,0]} 10. f4 {[%mdl 64] Deflection} Nc4) 10. e4 Ngxe5 {[%eval 315,23] [%wdl 1000,0,0]} (10... Bxc5 $142 {[%eval 220,23] [%wdl 988,12,0]} 11. exd5 Qb6) 11. exd5 Nxc5 12. O-O Qf6 $2 {[%eval 605,19] [%wdl 1000,0,0]} (12... cxd5 {[%eval 372,25] [%wdl 1000,0,0]} 13. Re1 Bd6) 13. dxc6 $18 Nxc6 14. Nxc6 Bxc6 15. Bg5 Qe6 16. Re1 Ne4 17. Bxe4 {1-0 Gerlagh,J (2193)-Jarmany,J (2023) Groningen op 52nd 2014 (4)}) (7. a4 $16 {[%eval 125,24] [%wdl 719,281,0]}) 7... Nh5 {[%eval 127,19] [%wdl 734,266,0] Black is weak on the dark squares} (7... a5 $14 {[%eval 67,23] [%wdl 257,740,3]}) 8. Bg5 $146 {White is better.} ({Predecessor:} 8. e3 Nxf4 9. gxf4 g6 10. Nbd2 Qc7 11. Nf1 f6 12. Bh3 Bg7 13. Ng3 e5 14. fxe5 fxe5 {0-1 Adema,J-Rehfeldt,F (2050) Leeuwarden op 2004 (5)}) 8... f6 {[%eval 160,18] [%wdl 900,100,0]} (8... g6 $142 {[%eval 81,24] [%wdl 358,640,2]}) 9. Bd2 $16 e5 10. e4 g6 $2 {[%eval 272,18] [%wdl 998,2,0] Black cannot hold the game after this.} (10... dxe4 $16 {[%eval 115,23] [%wdl 653,347,0] was worth a try.} 11. Nxe5 {[%csl Oe4,Oh5][%mdl 64] Discovered Attack} fxe5 12. Qxh5+ g6) 11. exd5 $18 cxd5 12. Nc3 {Black must now prevent c6.} e4 13. Nh4 {[%CAl Oc3e4] Hoping for Nxe4!} ({Not} 13. Nxd5 Nxc5 14. Nb4 Ne6 $15 (14... exf3 15. Qxf3 Bb7 16. Nc6 $16)) 13... Nb8 {[#]} 14. Nf5 $2 {[%eval -137,17] [%wdl 0,180,820] Weighted Error Value: White=0.39/Black=0.61. Missed win: White=1 --- Mistake: White=1 Black=4 Inaccurate: White=2 Black=1 OK: White=2 ---} 0-1 [Event "Memorial Silvio Mendes"] [Site "Club Municipal Rua Haddock Lobo 359 Tijuca Rio de Janeiro"] [Date "2024.07.01"] [Round "4.5"] [White "Gustavo, Da Silva Mendes Manoel"] [Black "Alberto, Horacio Lombardi"] [Result "1/2-1/2"] [ECO "A15"] [WhiteElo "1879"] [BlackElo "1617"] [PlyCount "55"] [GameId "2063368942244005"] [EventDate "2024.06.10"] {[%evp 9,55,-12,15,-19,-22,-21,-19,-26,-24,-31,0,-3,0,-14,0,-136,-14,-9,-10,-12,-5,-6,0,0,0,0,0,-1,0,0,0,0,0,0,0,-3,-4,-8,0,0,0,0,0,-3,-5,-3,0,-6]} 1. c4 Nf6 2. g3 e6 3. Bg2 Be7 4. Nc3 c6 5. e3 O-O 6. Nge2 {A15: English Opening: 1...Nf6.} d5 7. cxd5 cxd5 8. O-O Nc6 9. d4 Bd7 $146 ({RR} 9... Rb8 10. a3 a6 11. b4 b5 12. Bb2 {[%eval -70,24] [%wdl 2,740,258]} (12. e4 $11 {[%eval 0,26] [%wdl 24,952,24]}) 12... Bb7 {[%eval 0,28] [%wdl 23,955,22]} (12... a5 $1 $15 {[%eval -70,24] [%wdl 2,740,258]}) 13. Rc1 Rc8 14. Nf4 Ne8 15. Nd3 Nd6 16. Nc5 {Strongly threatening Nxb7.} Nc4 {...Bxc5 is the strong threat.} 17. Nxb7 Qd7 {[%eval 147,24] [%wdl 888,112,0] [#]} ({Better is} 17... Qc7 $1 $14 {[%eval 69,27] [%wdl 227,772,1]}) 18. Nc5 {[%eval 33,25] [%wdl 58,938,4]} (18. Nxd5 $1 $16 {[%eval 147,24] [%wdl 888,112,0]} exd5 19. Nc5 Bxc5 20. Rxc4 dxc4 21. bxc5) 18... Bxc5 $14 19. dxc5 Nxb2 20. Qb3 Nc4 21. Rcd1 {Wards off Nd2} Qe7 22. Ne2 Rfd8 23. Qc3 Ra8 {[%eval 121,20] [%wdl 741,259,0] [#]} (23... Qf6 $11 {[%eval 4,24] [%wdl 12,980,8] remains equal.}) 24. Nf4 {[%eval -28,22] [%wdl 2,963,35];0-1 Morgan,D-Cortes,M Internet Section 14-A Dos Hermanas blitz 2003 (9)} (24. e4 $1 $16 {[%eval 121,20] [%wdl 741,259,0][%CAl Re4d5]})) 10. Nf4 Rc8 11. Nd3 $146 ({Predecessor:} 11. Qe2 a6 12. Rd1 Na5 13. Nd3 Nc4 14. Bd2 b5 15. b3 b4 16. Nb1 Nxd2 17. Nxd2 {0-1 Trusov,B (1851)-Evlakhin,I (1993) Kaluga Tsiolkovsky Memorial op 2016 (7)}) 11... b6 12. b3 {[%eval -136,23] [%wdl 0,192,808]} (12. Qe2 $11 {[%eval 0,27] [%wdl 24,952,24]}) 12... Nb4 {[%eval -14,27] [%wdl 13,948,39]} (12... Nxd4 $1 $17 {[%eval -136,23] [%wdl 0,192,808]} 13. Bb2 Nb5) 13. Bb2 $11 {The position is equal.} Nxd3 14. Qxd3 Rc7 15. Rac1 Qb8 16. e4 dxe4 17. Nxe4 Rfc8 18. Nxf6+ Bxf6 19. Be4 g6 20. Rxc7 Rxc7 21. Rc1 Qc8 22. Rxc7 Qxc7 23. Qc4 Qxc4 24. bxc4 Be7 25. Kf1 Kf8 26. f3 Ke8 27. Ke2 Kd8 28. Kd3 {Weighted Error Value: White=0.14 (very precise) /Black=0.13 (very precise) . Mistake: White=1 Black=1 Inaccurate: --- Black=1 OK: White=9 Black=9} 1/2-1/2 [Event "Memorial Silvio Mendes"] [Site "Club Municipal Rua Haddock Lobo 359 Tijuca Rio de Janeiro"] [Date "2024.07.01"] [Round "4.6"] [White "Clara, Oliveira Silva"] [Black "Otavio, De Souza Laba"] [Result "0-1"] [ECO "D03"] [WhiteElo "1395"] [BlackElo "1853"] [PlyCount "80"] [GameId "2063364548923520"] [EventDate "2024.06.10"] {[%evp 9,80,-31,-30,-30,207,12,11,-3,-8,-14,26,10,98,62,202,201,264,-10,-14,-12,-10,-22,-12,-30,0,-22,4,-14,-10,-37,21,0,16,16,13,-4,126,-444,-453,-442,-250,-250,-250,-251,-250,-250,-250,-250,-250,-250,-250,-250,-250,-250,-219,-230,-230,-29972,-29973,-29975,-29975,-29973,-29975,-29980,-29981,-29981,-29982,-29982,-29983,-29987,-29988,-29989,-29990]} 1. d4 Nf6 2. Nf3 d5 3. Bg5 Ne4 4. e3 ({RR} 4. Nc3 Nxg5 5. Nxg5 e5 6. h4 h6 7. Nf3 e4 8. Ne5 c6 9. e3 Qb6 10. a3 Bd6 11. Qh5 Qxb2 12. Kd2 Qxa1 13. Nxf7 Bxa3 14. Nxh8+ Kd8 15. Nf7+ Ke7 16. Ne2 Be6 17. Ne5 Nd7 18. f3 Rg8 {0-1 Dimakiling,O (2476)-Godena,M (2522) Calvia op 3rd 2006 (9)}) 4... c5 ({RR} 4... Bf5 5. Bd3 Nc6 6. Nbd2 Nb4 7. Bxe4 dxe4 8. Nh4 f6 9. Bxf6 exf6 10. Nxf5 g6 11. Ng3 Qd6 12. Ngxe4 Qb6 13. c3 Qa5 14. Nxf6+ Ke7 15. Nfe4 Kd8 16. O-O Nxa2 17. Qf3 b5 18. Qf6+ Kd7 19. Qxh8 {1-0 Gomez Gomez,E-Espinosa Nino,M Bucaramanga Santander-ch 2022 (5)}) 5. c4 $146 ({RR} 5. c3 Nxg5 6. Nxg5 e5 7. Nf3 e4 8. Nfd2 Nc6 9. dxc5 Bxc5 10. Nb3 Bb6 11. Na3 O-O 12. Qh5 g6 13. Qd1 Be6 14. Nb5 Ne5 15. Be2 Qg5 16. Qd2 Qxg2 17. O-O-O Qxf2 18. N5d4 Bh3 19. Rhg1 Rae8 {0-1 Tkachenko,G (2277)-Ljukin,S (2357) UKR-ch sf Alushta 2008 (8)}) ({RR} 5. c3 Nc6 6. Nbd2 Nxg5 7. Nxg5 e5 8. Ngf3 cxd4 9. exd4 e4 10. Ne5 Nxe5 11. dxe5 Qb6 12. Nb3 Be6 13. Be2 g6 14. O-O Bg7 15. Qd4 O-O 16. Qxb6 axb6 17. f4 exf3 18. Bxf3 Bxe5 19. Rfd1 Rfd8 {0-1 Sala Espi,A (1850)-Carbonell Bofill,C (2278) De Navidad de Silla op 2th Valencia 2002 (2.1)}) ({RR} 5. c3 Qb6 6. Qb3 Nxg5 7. Nxg5 e6 8. Nd2 Nc6 9. f4 cxd4 10. exd4 Bd6 11. g3 Qxb3 12. axb3 f6 13. Ngf3 O-O 14. Bg2 Bd7 15. b4 a5 16. bxa5 Rxa5 17. Rxa5 Nxa5 18. O-O Rc8 19. Ra1 Nc4 {½-½ Tkachenko,G (2329)-Lomakin,V (2097) UKR-ch qual Alushta 2007 (1)}) 5... Nxg5 6. Nxg5 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} dxc4 $2 {[%eval 207,26] [%wdl 977,23,0] [#]} (6... e5 $11 {[%eval -30,25] [%wdl 12,900,88]} 7. Nf3 (7. Qh5 $2 g6 $17) 7... cxd4) 7. Bxc4 $2 {[%eval 12,25] [%wdl 49,929,22]} (7. dxc5 Qxd1+ 8. Kxd1 e6 $11) (7. Qa4+ Bd7 8. Qxc4 e6 $11) (7. Qf3 $1 $18 {[%eval 207,26] [%wdl 977,23,0][%CAl Rf3f7]} Qa5+ 8. Nc3) 7... e6 $1 $11 8. Nf3 {The position is equal.} ({Much worse is} 8. Qh5 g6 9. Qg4 cxd4 $15) 8... cxd4 9. exd4 Qa5+ $146 ({Predecessor:} 9... Bb4+ 10. Nc3 O-O 11. O-O Nc6 12. a3 Bxc3 13. bxc3 b6 14. Re1 Bb7 15. Qd3 Na5 16. Ba2 Bd5 17. Ne5 Bxa2 18. Rxa2 Rc8 19. Rc2 f6 20. Ng4 Qd6 {½-½ Bauer,V-Flecher,J (1700) W-ch WS/O/1409 email ICCF email 2022}) 10. Nbd2 b5 {[%eval 98,20] [%wdl 503,496,1]} (10... Be7 $11 {[%eval 10,27] [%wdl 40,940,20]}) 11. Bb3 {And now Ne5 would win.} Bd6 {[%eval 202,24] [%wdl 981,19,0] [#]} (11... Bb4 $14 {[%eval 62,24] [%wdl 214,783,3]}) 12. O-O $1 $18 {aiming for d5.} Bb7 13. a4 $2 {[%eval -10,24] [%wdl 15,951,34]} (13. d5 $18 {[%eval 264,20] [%wdl 998,2,0]}) 13... O-O $1 $11 14. Qe2 bxa4 15. Rxa4 Qh5 {[%CAl Od6h2] Threatens to win with ...Bxh2+!} 16. h3 Nc6 17. Qe3 Be7 18. Rd1 Rad8 19. Ne4 Qg6 {[%eval 21,20] [%wdl 32,963,5]} ({Black should play} 19... Qb5 $15 {[%eval -37,24] [%wdl 3,931,66]}) 20. Ng3 h5 21. d5 (21. Rc1 {simplifies} a5 22. Bc2 Qh6 23. Qxh6 gxh6 24. Be4) 21... exd5 22. Bxd5 (22. Rxd5 {seems wilder.} Rxd5 23. Bxd5 Qc2 24. Qe4) 22... Rfe8 {[%eval 126,24] [%wdl 783,217,0]} (22... Qc2 $11 {[%eval -4,24] [%wdl 9,978,13] remains equal.} 23. Raa1 Bc5) 23. Ne5 $2 {[%eval -444,24] [%wdl 0,0,1000][%mdl 8192]} (23. Qb3 $16 {[%eval 126,24] [%wdl 783,217,0] and life is bright.} Ba8 24. Rf4) 23... Nxe5 $19 24. Qxe5 {[%CAl Oa4e4]} Bf6 {[%eval -250,28] [%wdl 0,1,999] This pair of bishops is nice.} (24... Bc5 $142 {[%eval -442,26] [%wdl 0,0,1000]} 25. Qf5 Rxd5 (25... Qxg3 26. Qxf7+ Kh8 27. Qxh5#) 26. Rxd5 Qxg3 (26... Bxd5 $2 27. Qxg6 Re1+ 28. Nf1 $19)) 25. Qxh5 Qxh5 26. Nxh5 Rxd5 ({Worse is} 26... Bxd5 27. Nxf6+ gxf6 28. Rad4 $16) 27. Nxf6+ gxf6 28. Rxd5 Bxd5 29. Rxa7 {[%mdl 4096] Endgame. KRB-KR} Rb8 30. Rd7 Rb5 31. Rd6 f5 {[%CAl Og8f8]} 32. f3 Kf8 33. Rxd5 $2 {[%eval -32711,27] [%wdl 0,0,1000]} (33. Ra6 $19 {[%eval -230,37] [%wdl 0,1,999]}) 33... Rxd5 {KR-KP. Black mates.} 34. b4 Rb5 35. Kf2 f4 36. g3 fxg3+ 37. Kxg3 Rxb4 38. h4 Kg7 39. f4 f5 40. h5 Kh6 {Quite a comeback for Black. Weighted Error Value: White=0.59/Black=0.38. Loses game: White=1 Black=1 Missed win: White=2 --- Mistake: White=1 Black=5 Inaccurate: White=2 Black=4 OK: White=4 Black=7 Best: White=1 Black=1 Strong: --- Black=2} 0-1 [Event "Memorial Silvio Mendes"] [Site "Club Municipal Rua Haddock Lobo 359 Tijuca Rio de Janeiro"] [Date "2024.07.01"] [Round "4.8"] [White "Rodolfo, De Araujo Bezerra"] [Black "Carlos, Alberto De Carvalho"] [Result "1/2-1/2"] [ECO "D03"] [WhiteElo "1709"] [BlackElo "1957"] [PlyCount "40"] [GameId "2063390926872817"] [EventDate "2024.06.10"] {[%evp 22,27,147,147,151,35,46,40]} 1. d4 d5 2. Bg5 Nf6 3. Nd2 e6 4. e3 Be7 5. Bd3 Nbd7 6. f4 O-O 7. Ngf3 c5 8. c3 b6 9. O-O Bb7 10. Ne5 Nxe5 ({RR} 10... Ne8 11. Qh5 g6 12. Qh3 Ng7 13. Bxe7 Qxe7 14. Ndf3 f6 15. Nxd7 Qxd7 16. g4 a5 17. Rf2 Ba6 18. Bc2 Qb5 19. Re1 Rac8 20. Qh6 Rc7 21. Bb1 Qe8 22. h4 Qf7 23. h5 Ne8 24. hxg6 hxg6 25. Rg2 {1-0 Yevseev,D (2539)-Dzjuba,V (2200) Chigorin Memorial 07th St Petersburg 1999 (9)}) 11. fxe5 Ne4 ({RR} 11... Nd7 12. Bxe7 Qxe7 13. Qh5 g6 14. Qh6 f6 15. exf6 Rxf6 16. Rxf6 Nxf6 17. Nf3 c4 18. Bc2 Rf8 19. Ne5 Nd7 20. Nxd7 Qxd7 21. Qh3 Qf7 22. Qg3 Kg7 23. Re1 h5 24. h4 Bc6 25. Kh2 Be8 26. Bd1 {1-0 Wu,W (1816)-Gu,Y Bai Xue Cup Ningbo 2017 (1)}) 12. Bxe7 Qxe7 {[#]} 13. Nxe4 $146 {[%eval 35,25] [%wdl 82,912,6] D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} ({RR} 13. Bxe4 $1 dxe4 14. Qa4 {[%eval 5,27] [%wdl 26,957,17]} ({Better is} 14. Qg4 $16 {[%eval 132,24] [%wdl 794,206,0]}) 14... cxd4 $11 15. cxd4 Qg5 16. Rf4 Rfc8 $2 {[%eval 376,21] [%wdl 1000,0,0][%mdl 8192] Wards off Rc1} (16... Rac8 $14 {[%eval 49,25] [%wdl 118,880,2]}) 17. Qd7 $1 $18 Bd5 18. Qxf7+ Kh8 19. Raf1 {[%CAl Of7f8] Qf8+! would kill now.} h5 20. h4 Qh6 21. Qe7 Kh7 22. Nxe4 Rf8 $2 {[%eval 32742,27] [%wdl 1000,0,0]} (22... Bxe4 $18 {[%eval 306,27] [%wdl 1000,0,0]} 23. Rxe4 Qg6) 23. Ng5+ {1-0 Morrison,C (2225)-Bond,M US Open-92 Los Angeles 1991}) ({RR} 13. Bxe4 $1 dxe4 14. Qg4 {Dodges Qg5} cxd4 15. exd4 e3 16. Ne4 Bxe4 17. Qxe4 Rac8 18. Qxe3 b5 19. a3 a5 20. Qd2 Rfd8 21. Rf3 Qb7 {[%eval 254,21] [%wdl 999,1,0]} (21... b4 $16 {[%eval 149,28] [%wdl 906,94,0]} 22. axb4 axb4) 22. Rg3 {Threatens to win with Qh6.} Qd5 $2 {[%eval 600,24] [%wdl 1000,0,0]} (22... Qe7 {[%eval 191,26] [%wdl 985,15,0]} 23. Re1 b4) 23. Qh6 $18 g6 24. Rh3 {1-0 Kohls,V-Pick,C BL2 SW 9394 (Women) Germany 1993}) ({White should try} 13. Bxe4 $1 $16 {[%eval 151,26] [%wdl 885,115,0]} dxe4 14. Qg4) 13... dxe4 $14 14. Bc2 {Mistake: White=1 --- OK: White=1 ---} {Predecessor:} cxd4 $146 15. exd4 Qg5 16. Qe2 e3 17. g3 f6 18. Bb3 fxe5 19. Bxe6+ Kh8 20. d5 Rf4 {1-0 Smid,M (2186)-Plat,V (2284) Klatovy op-A 2007 (5)} 1/2-1/2 [Event "Memorial Silvio Mendes"] [Site "Club Municipal Rua Haddock Lobo 359 Tijuca Rio de Janeiro"] [Date "2024.07.01"] [Round "4.9"] [White "Reryckson, Oliveira Gracie"] [Black "Pedro, Oliveira Da Silva"] [Result "0-1"] [ECO "D00"] [WhiteElo "1724"] [BlackElo "1489"] [PlyCount "52"] [GameId "2063319804280950"] [EventDate "2024.06.10"] {[%evp 9,52,59,142,142,279,202,184,-100,-101,-103,-109,-184,-187,-208,-214,-223,-200,-232,-223,-263,-229,-252,-249,-256,-220,-310,-236,-290,-239,-255,-204,-232,-191,-166,361,-135,113,-144,-134,-199,-155,-315,-283,-775,-770]} 1. d4 e6 2. Nc3 d5 3. Bf4 c5 4. e3 Nc6 ({RR} 4... a6 5. g4 Nc6 6. Nf3 Bd6 7. Bg3 Nge7 8. Bg2 b5 9. Ne2 Bb7 10. c3 Rc8 11. Rc1 b4 12. dxc5 Bxc5 13. O-O O-O 14. cxb4 Bxb4 15. Qb3 a5 16. a3 Ba6 17. axb4 Bxe2 18. Rfe1 Bxf3 19. Bxf3 {1-0 Bluebaum,M (2672)-Shirov,A (2662) EU-ch Final Online Tornelo INT 2020 (3.4)}) 5. Nb5 Qa5+ {[%eval 142,23] [%wdl 823,177,0]} (5... cxd4 $14 {[%eval 59,25] [%wdl 210,786,4]} 6. Nc7+ (6. exd4 Bb4+ 7. c3 Ba5 $16) (6. Nxd4 Nge7 $15) 6... Kd7) 6. c3 $1 $16 {Nc7+ is the strong threat. D00: 1 d4 d5: Unusual lines.} Kd7 $146 {[%eval 279,25] [%wdl 998,2,0]} ({RR} 6... e5 7. dxe5 {And now e6 would win.} a6 8. e6 $2 {[%eval -264,27] [%wdl 0,3,997][%mdl 8192]} (8. Nd6+ $16 {[%eval 133,24] [%wdl 775,225,0]} Bxd6 9. exd6) 8... axb5 $19 9. exf7+ Kxf7 10. Qxd5+ Be6 11. Qf3 {[%eval -355,25] [%wdl 0,0,1000]} (11. Qd2 {[%eval -245,25] [%wdl 0,4,996] might work better.}) 11... Nf6 $19 {[%CAl Ob5b4]} 12. Nh3 h6 {[%CAl Ob5b4] Repels Ng5+} 13. Bd3 b4 14. O-O bxc3 15. bxc3 Qxc3 16. Rad1 c4 17. Be4 Bg4 18. Bd5+ Ke8 $4 {[%eval 191,24] [%wdl 982,18,0][%mdl 8192]} (18... Ke7 $19 {[%eval -362,26] [%wdl 0,0,1000] and life is good for Black.} 19. Qg3 Bxd1 20. Bxc6 bxc6 21. Rxd1 Qc2) 19. Bxc6+ $18 Kf7 {[%eval 249,24] [%wdl 999,1,0]} (19... Ke7 {[%eval 192,28] [%wdl 983,17,0] was called for.} 20. Bd6+ Kf7 21. Bd5+ Kg6) 20. Bd5+ $18 Ke8 21. Bc6+ {½-½ Badanic,T (1331)-Simko,L (1381) SVK-chT2D 2122 Slovakia 2021 (8.8)}) (6... e5 $16 {[%eval 142,27] [%wdl 823,177,0]} 7. dxe5 {[%csl Od5][%mdl 64] Discovered Attack} (7. Bxe5 Nxe5 8. dxe5 a6 $11) 7... a6) 7. Nc7 $146 ({Predecessor:} 7. dxc5 Bxc5 8. e4 Nf6 9. exd5 exd5 10. Nc7 Qb6 11. Qd2 Ne4 12. Qxd5+ Bd6 13. Qxe4 Kxc7 14. Bxd6+ Kxd6 15. O-O-O+ {1-0 Nureev,G (2340)-Smeets,J (2601) Dos Hermanas Internet qual-B 10th ICC INT blitz 2009 (5)}) 7... Rb8 {[#]} 8. Nxd5 $2 {[%eval -100,28] [%wdl 1,475,524]} exd5 $17 9. Bxb8 (9. Qh5 Nf6 10. Qxf7+ Kd8 11. dxc5 Bd7) 9... Nxb8 10. Qg4+ {[%eval -184,23] [%wdl 0,42,958]} (10. dxc5 $17 {[%eval -109,24] [%wdl 1,398,601]} Qxc5 (10... Nf6 11. b4 $14) 11. Ne2) 10... Kd8 $19 11. Qg5+ Nf6 12. Nf3 h6 13. Qf4 Nc6 {[%CAl Bb8c6,Bc6a5,Ba5b3][%mdl 32]} 14. a4 a6 15. h4 Be6 16. Bd3 Qb6 17. O-O-O {[%eval -310,21] [%wdl 0,0,1000]} (17. O-O $142 {[%eval -220,24] [%wdl 0,6,994]} Nh5 (17... Qxb2 18. Rab1 $18) 18. Qh2) 17... c4 18. Bc2 Na5 19. Qb8+ Ke7 20. Rhe1 Nb3+ 21. Kb1 Ng4 $4 {[%eval 361,24] [%wdl 1000,0,0][%mdl 8192] A dynamic duo of knights.} (21... Na5 $19 {[%eval -166,25] [%wdl 0,46,954] avoids the disaster. aiming for ...Nd7.} 22. e4 Nc6) 22. Re2 $2 {[%eval -135,23] [%wdl 0,156,844] [#]} ({White has to play} 22. e4 $18 {[%eval 361,24] [%wdl 1000,0,0]} dxe4 23. d5) 22... Qc6 {[%eval 113,24] [%wdl 664,336,0] The board is on fire.} (22... Kd7 $1 $17 {[%eval -135,23] [%wdl 0,156,844][%CAl Of8a3] keeps the pressure on. Threatens to win with ...Ba3!} 23. Ne5+ Nxe5 24. Qxe5 Qc6) 23. Bxb3 $2 {[%eval -144,25] [%wdl 0,110,890][%mdl 8192]} (23. e4 $16 {[%eval 113,24] [%wdl 664,336,0] is necessary to keep the advantage. Hoping for exd5.} Qxa4 24. Bxb3 (24. exd5 $2 Qa1#) (24. Qxb7+ Kd8 $11) 24... Qxb3 25. Kc1) 23... cxb3 $17 24. Nd2 {[%eval -199,24] [%wdl 0,9,991]} (24. e4 $17 {[%eval -134,23] [%wdl 0,156,844]} Kd7 (24... dxe4 25. d5 $16) 25. Nd2 (25. exd5 $2 Bf5+ 26. Kc1 Qxc3+ {[%mdl 64] Deflection} 27. bxc3 Ba3+ {[%csl Ob8][%mdl 64] Discovered Attack} 28. Kd2 Rxb8 $19)) 24... Bf5+ (24... Qxa4 25. f3 $15) 25. Kc1 $2 {[%eval -315,24] [%wdl 0,0,1000]} (25. e4 $17 {[%eval -155,25] [%wdl 0,62,938]} dxe4 (25... Bxe4+ 26. Nxe4 dxe4 27. d5 $16) 26. d5 e3+ (26... Qxd5 27. Kc1 $16) (26... Qxa4 27. Qxb7+ Ke8 28. Qb8+ Kd7 29. Qb7+ Ke8 30. Qb8+ Kd7 31. Qb7+ Ke8 $11) 27. Kc1) 25... Bd3 ({Stronger than} 25... Qxa4 26. Qxb7+ Qd7 27. Qxa6 $14) 26. Qe5+ $2 {[%eval -775,23] [%wdl 0,0,1000]} (26. Ree1 {[%eval -283,26] [%wdl 0,0,1000]} Nxf2 27. Nxb3 Nxd1 28. Rxd1) 26... Nxe5 {Weighted Error Value: White=1.03/Black=0.72. Missed win: White=2 Black=1 Mistake: White=6 Black=2 OK: White=4 Black=5 Best: --- Black=1} 0-1 [Event "Memorial Silvio Mendes"] [Site "Club Municipal Rua Haddock Lobo 359 Tijuca Rio de Janeiro"] [Date "2024.07.01"] [Round "4.10"] [White "Herivaldo, Souza E Silva"] [Black "Zahir, Goncalves Firmo"] [Result "1-0"] [ECO "A25"] [WhiteElo "1613"] [BlackElo "1280"] [PlyCount "91"] [GameId "2063309799264353"] [EventDate "2024.06.10"] {[%evp 9,91,21,26,16,90,85,86,74,91,73,109,87,145,115,166,117,171,89,84,85,83,82,84,36,29,-111,2,9,19,-24,13,-50,25,25,29,25,26,23,35,-324,23,-433,28,0,3,5,40,0,17,-20,-4,-11,22,0,56,28,172,28,28,20,21,26,161,38,135,71,380,134,455,328,580,569,29989,29990,29990,29991,29991,29992,29994,29995,29995,29973,29964,1139]} 1. c4 e5 2. Nc3 Nf6 3. e3 Nc6 4. Nge2 Bd6 $146 ({RR} 4... Bb4 5. g3 d6 6. Bg2 O-O 7. O-O Be6 8. b3 Rb8 9. d4 exd4 10. exd4 Bg4 11. Qd2 Bxe2 12. Qxe2 Bxc3 13. Rb1 Bxd4 14. Bb2 Bxb2 15. Qxb2 Qd7 16. Bf3 Rfe8 17. g4 Nxg4 18. Kh1 Nf6 19. Rbe1 {0-1 Henneberg,O-Diehle,J Hessen-ch U15 Girls Biedenkopf 1997 (5)}) ({RR} 4... d5 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. Nc3 Qd8 8. Be2 Be6 9. O-O Be7 10. a3 a5 11. d3 O-O 12. b3 Qd7 13. Bb2 Rfd8 14. Qc2 f6 15. Rfd1 Bf8 16. Ne4 Qf7 17. Nd2 Rac8 18. Bf3 Bd5 19. Rac1 {½-½ Ivanchuk,V (2720)-Kamsky,G (2655) Interpolis Tilburg 1992 (5.5)}) ({RR} 4... Bb4 5. g3 d6 6. Bg2 Bd7 7. O-O O-O 8. a3 Bxc3 9. Nxc3 Bf5 10. b4 Rb8 11. Bb2 h6 12. d4 exd4 13. exd4 Re8 14. Qd2 Qd7 15. Rfe1 a6 16. f4 b5 17. d5 Ne7 18. cxb5 axb5 19. Rac1 {1-0 Goodarzi,M (1460)-Robatmili,A (1197) IRI-ch U16 Chess.com INT 2021 (4)}) ({RR} 4... a6 5. a3 Be7 6. d4 exd4 7. exd4 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. Be3 O-O 11. Nf4 Qd8 12. b4 Re8 13. Be2 Bf6 14. O-O Nxd4 15. Bxd4 Qxd4 16. Qxd4 Bxd4 17. Rac1 Bb6 18. Bf3 c6 19. Nd3 {0-1 Cvetkovic,T-Djalovic,V (2107) Belgrade-chT Quality 2012 (4.4)}) ({RR} 4... d5 5. cxd5 Nb4 6. Ng3 Nbxd5 7. Be2 Be7 8. Qc2 Nb4 9. Qb1 O-O 10. b3 Bg4 11. f3 Be6 12. O-O Qd7 13. a3 Nc6 14. b4 Rad8 15. Qc2 a5 16. b5 Nd4 17. exd4 exd4 18. Qb2 dxc3 19. dxc3 {0-1 Li Chen,S-Silva Sanchez,C Pan American-ch Havana 1970 (4)}) ({Predecessor:} 4... d5 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. Nc3 Qd6 8. Bc4 Be7 9. a3 O-O 10. b4 Bf5 11. Bb2 Rad8 12. Nd5 Bg5 13. O-O Rd7 14. d3 Qg6 15. e4 Be6 {½-½ Delchev,A (2584)-Aseev,K (2577) EU-ch 2nd Ohrid 2001 (5)}) 5. b3 O-O 6. g3 {A25: English Opening vs King's Indian with ...Nc6 but without early d3.} b6 {[%eval 90,22] [%wdl 434,565,1]} (6... e4 $11 {[%eval 16,26] [%wdl 56,925,19] keeps the balance.}) 7. Bg2 $16 Bb7 {[%CAl Oe5e4]} 8. O-O {White is better.} Re8 9. d3 Bb4 10. Bb2 Qc8 {[%eval 145,22] [%wdl 851,149,0]} (10... Rb8 $142 {[%eval 87,26] [%wdl 406,593,1]}) 11. a3 Bc5 12. b4 Bd6 13. b5 {[%eval 89,27] [%wdl 412,587,1]} (13. e4 $18 {[%eval 171,25] [%wdl 943,57,0]}) 13... Na5 14. e4 Bc5 15. h3 c6 16. Na4 {[#] aiming for Nxc5.} cxb5 17. Nxc5 {[%eval -111,28] [%wdl 0,371,629]} (17. cxb5 $11 {[%eval 29,25] [%wdl 53,942,5]} d6 18. Bc3) 17... bxc5 {[%eval 2,28] [%wdl 17,970,13]} (17... Qxc5 $17 {[%eval -111,28] [%wdl 0,371,629]} 18. cxb5 Qxb5) 18. cxb5 $11 {Bc3 would now be deadly.} c4 19. a4 a6 20. Bc3 {[%eval -50,26] [%wdl 1,891,108]} ({White should try} 20. Nc3 $11 {[%eval 13,24] [%wdl 23,970,7]}) 20... cxd3 {[%eval 25,27] [%wdl 35,961,4]} (20... Nb3 $15 {[%eval -50,26] [%wdl 1,891,108]} 21. Rb1 axb5 22. axb5 Nc5) 21. Bxa5 (21. Qxd3 Nb3 22. Bxe5 Nxa1 23. Bxf6 Qc2 (23... gxf6 24. Rxa1 axb5 25. Rc1 $11) 24. Qxd7 Qxe2 $15 (24... gxf6 25. Nf4 $11)) 21... dxe2 22. Qxe2 {[#] And now Rfc1 would win.} axb5 23. axb5 d5 24. Rfc1 $2 {[%eval -324,25] [%wdl 0,0,1000][%mdl 8192]} (24. exd5 $14 {[%eval 35,25] [%wdl 48,950,2] stays ahead.} Bxd5 25. Bxd5 Nxd5 26. Rfd1) 24... Qe6 $2 {[%eval 23,23] [%wdl 25,972,3]} (24... Rxa5 $1 $19 {[%eval -324,25] [%wdl 0,0,1000]} 25. Qb2 Rxa1 26. Qxa1 Qe6 27. exd5 Qb6 (27... Bxd5 $2 28. Bxd5 Nxd5 29. Qa6 $19) (27... Nxd5 $2 28. Rd1 $19)) 25. f3 $2 {[%eval -433,24] [%wdl 0,0,1000][%mdl 8192]} (25. exd5 $11 {[%eval 23,23] [%wdl 25,972,3] and White stays safe.} Bxd5 26. Bc7) 25... Nh5 $2 {[%eval 28,29] [%wdl 30,968,2]} (25... Rxa5 $19 {[%eval -433,24] [%wdl 0,0,1000]} 26. Rxa5 Qb6+ 27. Kh2 Qxa5 28. exd5 Nxd5 (28... Bxd5 $2 29. Rb1 $19)) 26. Be1 Rxa1 27. Rxa1 Rc8 28. Bf2 {[%CAl Of3f4] Threatens to win with f4!} d4 29. Ra7 Qb6 (29... Rc1+ {seems wilder.} 30. Bf1 Qb6 31. Qa2 h6) 30. Ra1 Rd8 31. Qd3 Qc5 {[%eval 56,24] [%wdl 88,912,0]} (31... h6 $11 {[%eval 0,34] [%wdl 5,990,5]}) 32. Be1 Bc8 {[%eval 172,21] [%wdl 981,19,0]} (32... h6 $11 {[%eval 28,26] [%wdl 22,977,1]}) 33. Kh2 {[%eval 28,26] [%wdl 20,979,1]} (33. Bf1 $18 {[%eval 172,21] [%wdl 981,19,0]}) 33... Be6 34. Qb1 {Black must now prevent Qb4.} Rb8 35. Bf1 g6 {[%eval 161,24] [%wdl 968,32,0]} (35... h6 $1 $11 {[%eval 26,23] [%wdl 17,982,1]}) 36. Bf2 {[%eval 38,26] [%wdl 31,969,0]} (36. Bb4 $18 {[%eval 161,24] [%wdl 968,32,0]} Qc7 37. Bd3) 36... f5 {[%eval 135,21] [%wdl 881,119,0]} (36... Qc3 $14 {[%eval 38,26] [%wdl 31,969,0]}) 37. Bd3 {[%eval 71,26] [%wdl 163,837,0]} (37. Ra6 $142 {[%eval 135,21] [%wdl 881,119,0]} Qc8 38. Qd3) 37... Bc4 {[%eval 380,22] [%wdl 1000,0,0][%mdl 8192]} (37... fxe4 $16 {[%eval 71,26] [%wdl 163,837,0]} 38. fxe4 Qf8) 38. exf5 $2 {[%eval 134,25] [%wdl 872,128,0]} (38. Qc2 $18 {[%eval 380,22] [%wdl 1000,0,0] and White stays clearly on top.}) 38... gxf5 $2 {[%eval 455,23] [%wdl 1000,0,0][%mdl 8192]} (38... Rxb5 $2 {too greedy.} 39. fxg6 Bxd3 (39... Rxb1 $2 40. Ra8+ Kg7 41. gxh7 $18) 40. Qxd3 $18) (38... Bxd3 $16 {[%eval 134,25] [%wdl 872,128,0]} 39. Qxd3 Qxb5 (39... Rxb5 $2 40. fxg6 Rb8 41. gxh7+ Kh8 42. f4 $18)) 39. Bxf5 ({Less strong is} 39. Bxc4+ Qxc4 40. Qxf5 Qe2 41. Qg5+ Ng7 $18) 39... Rxb5 $2 {[%eval 580,29] [%wdl 1000,0,0]} (39... Qe7 {[%eval 328,26] [%wdl 1000,0,0] was necessary.} 40. b6 Bd5) 40. Bxh7+ $18 {This pair of bishops is nice.} Kg7 {[%CAl Bg8g7,Bg7f8,Bf8e7,Be7d6,Bd6c7,Bc7b7][%mdl 32]} 41. Qg6+ {White mates.} Kf8 42. Ra8+ Ke7 43. Qe8+ Kd6 44. Rd8+ Kc7 45. Rc8+ Kb7 46. Rxc5 {[%eval 1139,27] [%wdl 1000,0,0] What a fight! Weighted Error Value: White=0.68/Black=0.91. Loses game: White=2 Black=2 Missed win: White=1 Black=2 Mistake: White=6 Black=9 Inaccurate: White=6 Black=7 OK: White=10 Black=7 Best: White=1 Black=1} (46. Be4+ $142 {[%eval 32696,38] [%wdl 1000,0,0]} Bd5 47. Rxc5 (47. Qd7+ Kb6 $18) 47... Rxc5 48. Qd7+ (48. Qxh5 Bxe4 49. fxe4 Ka6 $18) 48... Kb6 49. Bxd5 Rc2 50. Kg1 Rc1+ 51. Kg2) 1-0