[Event "Memorial Silvio Mendes"] [Site "Rio de Janeiro"] [Date "2024.07.08"] [Round "5.1"] [White "Silas, Carvalho Fernandes"] [Black "Rafael, Ventura Dos Santos"] [Result "1-0"] [ECO "D38"] [WhiteElo "2100"] [BlackElo "2233"] [Annotator "Stockfish 16.1"] [PlyCount "75"] [EventDate "2024.??.??"] [EventCountry "BRA"] {[%evp 0,75,19,7,50,-16,-1,-20,-10,4,33,7,18,6,8,8,29,43,52,41,41,44,41,28,48,31,80,78,62,77,71,78,172,162,172,140,140,129,150,163,165,158,141,134,158,150,156,135,166,152,216,211,213,218,220,196,205,205,202,210,210,198,210,199,204,204,204,204,239,246,318,348,346,362,425,425,587,622]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qb3 Nc6 6. a3 Bxc3+ 7. Qxc3 a5 {E33: Nimzo-Indian: Classical: 4...Nc6.} (7... Ne4 8. Qc2 e5 9. e3 {Threatens to win with cxd5.} exd4 (9... Bf5 10. Qb3 exd4) 10. cxd5 $16 Qxd5 11. Bc4 Qf5 12. Bd3 Qa5+ 13. b4 Nxb4 14. axb4 Qxa1 15. O-O {Hoping for Bb5+.} Nf6 16. Nxd4 Bd7 {[#]} 17. Bd2 (17. Nb5 $1 $16 {[%CAl Rb5c7]} O-O 18. Bb2) 17... Qa3 18. Rb1 O-O (18... a6 $5 {[%CAl Re8g8]} 19. Rb2 Qa4 $17) 19. b5 a5 20. bxa6 Ba4 21. Qc4 b5 22. Nxb5 Bxb5 23. Qxb5 Rfd8 24. Rb3 Qa2 25. Rb2 Qa1+ 26. Rb1 Qa3 27. Rb3 Qa1+ 28. Rb1 Qa3 {½-½ (28) Goryachkina,A (2565)-Shuvalova,P (2475) Sochi 2023}) 8. Bg5 h6 9. Bxf6 Qxf6 {White is slightly better.} 10. e3 O-O 11. Be2 Re8 12. O-O dxc4 {[#]} 13. Qxc4 $146 (13. Bxc4 e5 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. Qxe5 Rxe5 17. Rfd1 Be6 18. Rac1 Bxc4 19. Rxc4 Rb5 20. Rd2 c6 {½-½ (20) Velikov,P (2465)-Inkiov,V (2490) Plovdiv 1984}) 13... Bd7 14. Rac1 Rec8 15. Rfd1 e5 $2 {Mistake. a4 was best.} (15... Qe7 $14) (15... a4 16. Qc2) 16. dxe5 $16 Qe7 17. Qc5 Qxc5 18. Rxc5 Be8 19. Nd4 Rd8 20. f4 Nxd4 21. exd4 {[%CAl Be3d4,Bd4d5,Bd5d6][%mdl 32]} c6 22. Kf2 Kf8 23. Bf3 Ra6 24. Rd2 Bd7 25. d5 {Prevents Be6.} Be6 26. d6 a4 27. Bd1 g6 28. Bc2 Ke8 (28... Rda8 $16 29. g3 Ke8) 29. Bd3 Ra7 30. Be4 Ra6 31. Rd4 Rb6 $6 {Inaccuracy. Kd7 was best.} (31... Kd7 32. Rb4 Rb8 33. h3 g5 34. f5 Bb3 35. f6 Be6 36. g4 b5 37. Bd3) 32. Rb4 (32. Rxa4 Rxb2+ 33. Ke3 Kd7) 32... Rxb4 33. axb4 $18 {KRB-KRB} Bd7 (33... g5 34. f5 Bb3) 34. Ra5 b5 35. Ke3 {White is clearly winning.} f5 36. Bf3 Kf7 37. Kd4 Ke6 38. Rxb5 {Weighted Error Value: White=0.05 (flawless) /Black=0.29 (precise) PRECISÃO LICHESS: BRANCAS 98% PRETAS 93%} 1-0 [Event "Memorial Silvio Mendes"] [Site "Rio de Janeiro"] [Date "2024.07.08"] [Round "5.2"] [White "Luis, Felipe Garcia De Ol"] [Black "Iago, Henrique Da Silva S"] [Result "0-1"] [ECO "C10"] [WhiteElo "1883"] [BlackElo "2127"] [Annotator "Stockfish 16.1"] [PlyCount "88"] [EventDate "2024.??.??"] [EventCountry "BRA"] {[%evp 0,83,19,14,38,38,46,14,46,58,59,59,57,45,40,45,45,46,51,15,17,24,29,8,38,4,44,49,42,38,100,46,50,4,48,16,21,-62,-72,-110,-28,-64,-52,-139,-139,-139,-139,-254,-221,-289,-298,-298,-298,-298,-122,-140,-170,-160,-168,-98,-158,-181,-207,-207,-198,-256,-174,-263,-254,-290,-260,-294,-187,-229,-181,-181,-227,-270,-296,-296,-69,-69,-69,-123,-123,-174]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Nf3 Nxe4 7. Bxe4 Nf6 8. Bd3 c5 9. Bg5 cxd4 10. Nxd4 Be7 (10... Bc5 11. Nb3 Be7 12. Qe2 O-O 13. O-O-O Qc7 14. h4 a5 15. a3 a4 16. Nd4 Rd8 17. Nb5 Qc5 18. Be3 Qe5 19. g4 Nd5 20. Bd4 Qxe2 21. Bxe2 Bd7 22. Be5 Bc6 23. Nd4 Nf4 24. Bf3 Rxd4 25. Bxc6 {Young,D (1927)-Zhao,G (1851) Peterborough ENG 2024 0-1 (36)}) 11. O-O $146 (11. c3 O-O 12. Qe2 Qd5 13. Bh4 e5 14. Nf5 Bxf5 15. Bxf5 Rad8 16. O-O e4 17. Bxf6 Bxf6 18. Bxe4 Qd2 19. Rfe1 g6 20. g3 Rfe8 21. Qxd2 Rxd2 22. Bxb7 Rxb2 23. Rxe8+ Kg7 24. Bd5 Bxc3 25. Rd1 h5 {Podlozniy,P (2224)-Floresvillar Gonzalez,L (2019) chess.com INT 2023 1-0 (52)}) 11... O-O 12. c3 a6 13. Qe2 Qc7 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 14. Rad1 Nd5 {[%CAl Bf6d5,Bd5f4,Bf4h3][%mdl 32]} 15. Qe4 $146 {[%csl Gd3][%CAl Re4h7] [#]} (15. Bxe7 Qxe7 16. Bc2 Qc7 17. Rfe1 Bd7 18. Qe4 Nf6 19. Qh4 Rfd8 20. Re3 h6 21. Rde1 {½-½ (58) Choisy,M (2153)-Bensdorp,M (2237) Mulhouse 2017}) 15... f5 {The position is equal.} 16. Qh4 Bxg5 17. Qxg5 Nf4 18. Bc2 $4 {Blunder. Ne2 was best.} (18. Ne2 Nxd3 19. Rxd3) 18... Rf6 $17 19. Nf3 Nh3+ $2 {Mistake. h6 was best.} (19... h6 20. Qh4 g5 21. Nxg5 hxg5 22. Qxg5+ Rg6 23. Qd8+ Qxd8 24. Rxd8+ Kf7 25. g3) 20. gxh3 {[#] aiming for Qd2.} Rg6 21. h4 $6 {Inaccuracy. Qxg6 was best.} (21. Rfe1 $17) (21. Qxg6) 21... Rxg5+ $19 22. hxg5 Qf4 23. Rd3 (23. Rd8+ Kf7 24. Bd1 (24. Rd3 b5 25. Re1 Bb7 26. Ne5+ Ke8 27. g6 h6 28. Nf7 Kf8)) 23... Bd7 {Strongly threatening ...Qg4+.} 24. Rxd7 Qg4+ (24... Qxf3 $2 25. Rfd1 $17) 25. Kh1 Qxf3+ 26. Kg1 e5 $6 {Inaccuracy. Qg4+ was best.} (26... Qg4+ 27. Kh1 Qe2 28. Bd3 Qf3+ 29. Kg1 Qc6 30. Rd4 e5 31. Rc4 Qg6 32. h4) 27. Bb3+ Kh8 28. Rfd1 Qg4+ 29. Kh1 Qxg5 30. Rg1 Qf6 31. Bd5 Rb8 32. Rf7 Qd6 33. c4 g6 {...Qb6 is the strong threat.} 34. Rd1 {[%CAl Bf7h7]} Qb6 $6 {Inaccuracy. Rd8 was best.} (34... Rd8 35. Rxb7 e4 36. Kg2 Qe5 37. Rf7 e3 38. fxe3 Qxe3 39. Rf1 Qg5+ 40. Kh1) 35. Rd2 Qa5 36. Re2 Re8 (36... Qxa2 $2 37. Rxe5 Qxb2 38. Ree7 Qc1+ 39. Kg2 Qg5+ 40. Kf1 $19) 37. Rxb7 Qxa2 38. Re3 (38. Re1 {is a better defense.}) (38. Kg2 Qb1 39. Rf7 e4 40. Re3 Qxb2 41. h4 h5 42. Rb7 Qe5 43. Ra3 Re7) 38... Qb1+ 39. Kg2 g5 $2 {Mistake. f4 was best.} (39... f4 40. Rh3 (40. Rf3 g5 41. Rh3 g4 42. Rh6 f3+ 43. Kg3 Qg1+ 44. Kh4 Qxf2+ 45. Kxg4) 40... h5) 40. Rh3 $17 {[%csl Gh3][%CAl Rb7h7]} f4 {And now ...g4 would win.} 41. f3 Qc2+ 42. Kf1 $6 {Inaccuracy. Kg1 was best.} (42. Kg1 g4 43. fxg4 Qg6 44. Kf1 a5 45. c5 e4 46. c6 e3 47. Rhxh7+ Qxh7) 42... Qg6 $4 {[%mdl 8192] Blunder. Qd3+ was best.} (42... Qd3+ 43. Ke1 Rd8) 43. Rbxh7+ $4 {[%mdl 8192]} (43. Be4 Kg8 44. Bxg6 hxg6 45. Rhh7 Rd8 46. Rhd7 Rc8 47. c5 g4 48. c6 Kf8) 43... Qxh7 $19 44. Rxh7+ Kxh7 {Weighted Error Value: White=0.60/Black=0.28 (precise) PRECISÃO LICHESS: BRANCAS 68% PRETAS 77%} 0-1 [Event "Memorial Silvio Mendes"] [Site "Rio de Janeiro"] [Date "2024.07.08"] [Round "5.3"] [White "Natacio, Goncalves Bezerra"] [Black "Otavio, De Souza Laba"] [Result "0-1"] [ECO "C45"] [WhiteElo "2007"] [BlackElo "1853"] [Annotator "Stockfish 16.1"] [PlyCount "72"] [EventDate "2024.??.??"] [EventCountry "BRA"] {[%evp 0,72,19,14,25,13,25,25,25,25,-8,2,2,-14,-14,-14,-24,-32,-3,-82,-58,-58,-51,-105,-73,-143,-205,-205,-203,-203,-98,-96,-95,-98,-92,-92,-92,-132,-78,-78,0,0,0,-10,-10,-17,17,-79,-82,-122,-143,-161,-154,-160,-180,-184,-184,-184,-187,-187,-126,-126,-127,-127,-119,-123,-118,-140,-134,-127,-129,-185,-184,-229,-221]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bg5 h6 7. Nxc6 bxc6 8. Bd2 {C47: Scotch Four Knights and Four Knights with 4 g3.} d5 (8... O-O 9. Bd3 d5 10. O-O Bg4 11. f3 Bxc3 (11... Bh5) 12. Bxc3 $14 {Strongly threatening e5.} dxe4 13. fxg4 exd3 14. Bxf6 gxf6 15. Qxd3 Qxd3 16. cxd3 Kg7 17. Rac1 Rab8 18. b3 Rb6 19. Rc5 Rd8 20. Rcf5 Rd6 21. h3 Rb5 22. R5f4 c5 23. Rf5 a5 24. R1f4 Rb4 25. Rf3 (25. Rc4 $16) 25... a4 26. bxa4 Rxa4 27. Rf2 c4 28. d4 c3 29. Rc5 Raxd4 30. Rxc3 Rd1+ 31. Kh2 R6d2 32. Rxd2 Rxd2 33. a4 Ra2 34. Rc4 Ra3 35. h4 c5 36. g3 Kf8 37. Kh3 Kg7 38. Kg2 {Paravyan,D (2617)-Kalogeris,I (2368) Chess.com INT 2021 1-0 (71)}) 9. e5 $6 {Inaccuracy. Bd3 was best. [#]} (9. exd5 $15 cxd5 10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. a3 Qe6+ 13. Qe2) (9. Bd3 O-O) 9... Qe7 $6 $146 {Inaccuracy. Ng4 was best.} (9... Ng4 10. Bf4 (10. Qe2 O-O 11. O-O-O Qe7 $17 (11... Bc5 12. f3 (12. Be1 Qg5+ 13. Bd2 Qxe5 14. Qxe5 Nxe5 15. Re1 $17 (15. Be1 Ng4 $19 (15... Bf5 {0-1 (30) Gorny,T-Glatty,Z (1924) Poznan 2009} 16. f3 (16. Nxd5 cxd5 17. Rxd5) 16... Rfe8 17. Bg3 Rab8 18. Re1 f6 19. Nd1 Bd4 20. c3 Bc5 21. Nf2 Kf7 {[%CAl Bc5a3]} 22. Be2 $2 (22. b3) 22... Be3+ $19 23. Kd1 Rxb2 {[%csl Gb2][%CAl Rf5c2]} 24. Ba6 Rd2+ 25. Kc1 Rc2+ 26. Kd1 Bxf2 (26... Rb8 $1 27. Ne4 Rxa2 28. Nd6+ cxd6 29. Bb7 Rxb7 30. Rxe3 Rb1#) 27. Bxf2 Rb8 {[%CAl Rb8b1]} 28. Re4 Rxf2 {[%CAl Rb8b1]} 29. Rb4 Rxb4 30. cxb4 Rxa2 {0-1 (30) Gorny,T-Glatty,Z (1924) Poznan 2009}) 16. Rd2 Re8) 15... Ng6 16. f3) 12... Nf2 13. Na4) 12. f4 Rb8) 10... Qe7) 10. f4 $1 $15 {Black is slightly better.} d4 11. Ne2 $6 {Inaccuracy. Qe2 was best.} (11. Qe2 Ng4) 11... Ne4 12. c3 $4 {Blunder. Bxb4 was best.} (12. Bxb4 Qxb4+ 13. c3 dxc3 14. bxc3) 12... dxc3 $19 13. bxc3 $6 {Inaccuracy. Bxc3 was best.} (13. Nxc3 $2 Qh4+ 14. g3 Nxg3 $19) (13. Bxc3 Qc5 14. Qd4 Qxd4 15. Nxd4 Nxc3 16. Nxc6 Nd5+ 17. Nxb4 (17. Kf2 Bc5+ 18. Kf3 Bd7) 17... Nxb4 18. Rc1) 13... Qc5 {[%csl Ge4][%CAl Rc5f2]} 14. Qa4 {[#]} Nxc3 $4 {Blunder. Bf5 was best.} (14... Bf5 15. Nd4 (15. cxb4 $2 Qf2+ 16. Kd1 O-O-O $19) 15... Bxc3 16. Qxc6+ Qxc6 17. Nxc6 Bxd2+ 18. Ke2 (18. Kd1 Bxf4 19. Bc4 Bd7 20. Rf1) 18... Bc3) 15. Qc2 {[#]} (15. Nxc3 Bxc3 16. Qc2 Bxd2+ 17. Qxd2 O-O 18. Be2 Be6 19. Rc1 Qb6 20. Bf3 Bd5) 15... Nxe2 $4 {Blunder. Bf5 was best.} (15... Bf5 16. Qxf5 Rd8 17. Nxc3 Bxc3 18. Bxc3 Qxc3+ 19. Kf2 Qxa1 20. Qxf7+ Kxf7 21. Bc4+ Ke7 22. Rxa1 Rd4) 16. Qxc5 $17 Bxc5 17. Bxe2 Rb8 18. Bc3 $6 {Inaccuracy. Rf1 was best.} (18. Rf1 Rb2 19. Rf3 Be6 20. Rc1 Bg1 21. Bc4 O-O 22. Bxe6 fxe6 23. Rxc6 Bxh2) 18... Bf5 19. Bf3 Bb4 $6 {Inaccuracy. Ke7 was best.} (19... O-O $17 {White must now prevent ...Rfd8.} 20. Ke2 Rb6) (19... Ke7 20. Ke2 g5 21. fxg5 hxg5 22. h3 Be6 23. Rhd1 Rh4 24. Bd2 Rb2 25. Rab1) 20. Bxc6+ Ke7 21. Bxb4+ Rxb4 22. O-O Rhb8 23. Rfd1 $6 {Inaccuracy. Rac1 was best.} (23. a3 {keeps the balance.} Rd4 24. Rac1) (23. Rac1 Rd4 24. Bf3 Kd8 25. Rfd1 Rxd1+ 26. Rxd1+ Ke7 27. Rc1 Rb1 28. Rxb1 Bxb1) 23... Rxf4 24. Rd2 $4 {Blunder. Rac1 was best.} (24. Rac1 Rfb4) 24... Rc4 25. Bf3 Rc2 26. Rxc2 Bxc2 $19 {[%mdl 4096] Endgame KRB-KRB} 27. Rc1 $6 {Inaccuracy. Kf2 was best.} (27. Bd5 {might work better.}) (27. Kf2 Ke6 28. Re1 Rb2 29. Kg3 Rxa2 30. Bg4+ Ke7 31. Re3 a5 32. e6 f5) 27... Rb1 28. Rxb1 Bxb1 {KB-KB} 29. Bd5 c6 30. Bb3 Bd3 31. Kf2 c5 32. Bd5 {[#]} f6 $1 33. exf6+ $2 {Mistake. Ke3 was best.} (33. Ke3 Bf1 (33... Bf5 34. exf6+ Kxf6 35. a3 Ke5 36. Bf7 Be6 37. Bg6 Bd5 38. g3 Be6) 34. Kf4) 33... Kxf6 34. Ke3 Ke5 35. Bf7 (35. Bb3 {was necessary.} c4 36. Bd1) 35... Be4 36. g3 Bd5 {Weighted Error Value: White=0.47/Black=0.40 PRECISÃO LICHESS: BRANCAS 85% PRETAS 89%} 0-1 [Event "Memorial Silvio Mendes"] [Site "Rio de Janeiro"] [Date "2024.07.08"] [Round "5.4"] [White "Marcelo, Dos Santos Silva"] [Black "Gustavo, Da Silva Mendes Man"] [Result "1/2-1/2"] [ECO "A01"] [WhiteElo "1971"] [BlackElo "1879"] [Annotator "Stockfish 16.1"] [PlyCount "29"] [EventDate "2024.??.??"] [EventCountry "BRA"] {[%evp 0,29,19,-29,-3,-23,6,8,6,3,10,-10,2,-5,-7,-7,-15,-6,13,4,2,-22,-27,-53,-12,-16,-13,-79,-84,-83,-44,-44]} 1. b3 Nf6 2. Bb2 g6 3. Nf3 Bg7 4. e4 d6 5. Be2 $146 (5. g3 e5 6. Nc3 O-O 7. Bg2 c6 8. O-O Re8 9. d4 Nbd7 10. Re1 Qc7 11. a4 b6 12. d5 cxd5 13. exd5 a6 14. Nd2 Nc5 15. Nc4 Bd7 16. a5 bxa5 17. Nxa5 Bf5 18. Nc6 h5 19. b4 Ncd7 {Aravindh,C (2662)-Barria Santos,J (2428) chess.com INT 2024 1-0}) (5. Bd3 O-O 6. O-O Nbd7 (6... b6 7. Re1 Bb7 8. Nc3 Nbd7 9. Rb1 e5 10. Bf1 Nc5 11. d3 a5 12. a3 Re8 13. b4 axb4 14. axb4 Na4 15. Nxa4 Rxa4 16. d4 Rxb4 17. c3 Rxb2 18. Rxb2 Nxe4 19. Qb3 Ng5 {Weisz,B (1997)-Ranaldi,L (2361) chess.com INT 2024 ½-½ (67)}) 7. Nc3 Nc5 8. Qe2 Nxd3 9. Qxd3 e5 10. Ne1 Nh5 11. Ne2 f5 12. Qc4+ Kh8 13. d4 fxe4 14. dxe5 d5 15. Qc5 b6 16. Qc6 Ba6 17. c4 dxc4 18. Qxe4 cxb3 19. axb3 Bb5 {Austad,E (2095)-Seo,J (2466) Kragero NOR 2024 0-1 (43)}) 5... Nc6 6. O-O {A05: Réti Opening: 1 Nf3 Nf6.} O-O 7. d3 e5 8. Nc3 {[%CAl Bb1c3,Bc3d1,Bd1e3][%mdl 32] The position is equal.} h6 9. Qd2 $146 (9. h3 Ne8 10. Nd5 f5 11. Nd2 f4 12. Bg4 Ne7 13. Bxc8 Rxc8 14. Nxe7+ Qxe7 15. f3 {½-½ (42) Fussenegger,G-Samuel,R freechess.de 2014}) 9... Be6 10. a3 a6 11. Nd1 $6 {Inaccuracy. Rae1 was best.} (11. Rae1) 11... Qd7 $6 {Inaccuracy. d5 was best.} (11... d5 12. Ne3 d4 13. Nc4 Nh5 14. g3 Bh3 15. Rfe1 Qd7 16. Nh4 Bf6 17. Bxh5) 12. Ne3 Nh5 $6 {Inaccuracy. b5 was best.} (12... b5 13. c4 bxc4 14. bxc4 Qd8 15. Rab1 Rb8 16. Nd5 Nd7 17. Nb4 Nxb4 18. axb4) 13. Ne1 $2 {Mistake. d4 was best.} (13. d4) 13... Nf4 14. Bd1 Nd4 15. Nf3 {Weighted Error Value: White=0.07 (flawless) /Black=0.03 (flawless) PRECISÃO LICHESS: BRANCAS 86% PRETAS 90%} 1/2-1/2 [Event "Memorial Silvio Mendes"] [Site "Rio de Janeiro"] [Date "2024.07.08"] [Round "5.5"] [White "Guilherme, De Moura Silva"] [Black "Alberto, Horacio Lombardi"] [Result "1-0"] [ECO "B52"] [WhiteElo "1846"] [BlackElo "1617"] [Annotator "Stockfish 16.1"] [PlyCount "39"] [EventDate "2024.??.??"] [EventCountry "BRA"] {[%evp 0,39,19,14,51,59,80,48,45,40,45,19,19,5,7,0,28,28,19,15,15,5,53,-11,125,119,77,34,152,152,234,162,365,356,605,828,1809,2032,2240,3247,28359,29972]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. d4 cxd4 6. Nxd4 Ngf6 7. Nc3 a6 $146 (7... g6 8. Be3 Bg7 9. Qd2 a6 10. a4 Nc5 11. f3 O-O 12. Bh6 Qb6 13. Bxg7 Kxg7 14. b3 Rac8 15. Nce2 a5 16. O-O {1-0 (16) Vasquez Ramirez,J (1563)-Agudelo Zapata,Y (1817) Medellin COL 2024}) 8. O-O e6 9. Be3 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} Be7 10. f4 {[%CAl Bf2f4,Bf4f5][%mdl 32]} Nc5 $6 $146 {Inaccuracy. Rc8 was best.} (10... O-O 11. Nf3 Qc7 12. Ng5 h6 13. Nf3 Nc5 14. e5 dxe5 15. fxe5 Ng4 16. Bd4 Rad8 {1-0 (29) Enoksson,B (1414)-Bellisario,C (1382) ICCF email 2019}) (10... Rc8) 11. e5 $14 {White is slightly better.} Nfe4 $6 {Inaccuracy. dxe5 was best.} (11... dxe5) 12. Nxe4 Nxe4 13. Qg4 $6 {Inaccuracy. Qf3 was best.} (13. Qf3 d5 14. f5 O-O 15. fxe6 fxe6 16. Qh3 Bg5 17. Nxe6 Bxe3+ 18. Qxe3 Rxf1+) 13... g6 $4 {Blunder. O-O was best.} (13... O-O 14. Rad1 Qc7 15. f5 dxe5 16. Bh6 Ng5 17. Bxg5 Bxg5 18. Qxg5 f6 19. Qg3) 14. f5 $18 Nc5 $2 {[%mdl 8192] Mistake. exf5 was best. [#]} (14... exf5 15. Nxf5 gxf5 16. Qxf5 f6 17. Qxe4 dxe5 18. Qxb7 O-O 19. b3 Qd6 20. Rad1) 15. Nxe6 $6 {Inaccuracy. fxe6 was best.} (15. fxe6 f6 16. exf6 Bxf6 17. b4 (17. Nf5 Qc7 18. Nxd6+ Qxd6 19. Rxf6 Rd8 20. Raf1 Qe5)) 15... Nxe6 $6 {Inaccuracy. fxe6 was best.} (15... fxe6 16. fxg6 d5 17. g7 Rg8 18. b4 Ne4 19. c4 Nc3 20. Qxe6 Rxg7 21. Qh6) 16. fxe6 fxe6 $6 {Inaccuracy. f5 was best.} (16... f6 17. exf6 Bxf6) (16... f5 17. exf6 Bxf6 18. Rxf6 Qxf6 19. Bd4 Qf5 20. Qxf5 gxf5 21. Bxh8 Ke7 22. Bd4) 17. Qxe6 Rf8 18. Rxf8+ {White mates.} Kxf8 19. Bh6+ Ke8 20. Rf1 {Weighted Error Value: White=0.40/Black=1.63 PRECISÃO LICHESS: BRANCAS 93% PRETAS 77%} 1-0 [Event "Memorial Silvio Mendes"] [Site "Rio de Janeiro"] [Date "2024.07.08"] [Round "5.6"] [White "Pedro, Oliveira Da Silva"] [Black "Leticia, Fritz Henrique"] [Result "0-1"] [ECO "B31"] [WhiteElo "1489"] [BlackElo "1723"] [Annotator "Stockfish 16.1"] [PlyCount "74"] [EventDate "2024.??.??"] [EventCountry "BRA"] {[%evp 9,74,-14,0,-84,-45,-54,-45,-101,-101,-111,-96,-113,-83,-109,-101,-250,-250,-250,-250,-250,-250,-280,-235,-232,-225,-226,-227,-245,-246,-256,-256,-266,-258,-309,-309,-309,-309,-309,-309,-309,-301,-341,-347,-355,-285,-363,-311,-428,-348,-343,-322,-354,-356,-397,-363,-435,-350,-330,-336,-535,-535,-535,-540,-524,-387,-752,-723]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Bxc6 $6 {Inaccuracy. Be3 was best. B31: Sicilian: 2...Nc6 3 Bb5 g6.} (6. Nxc6 bxc6 7. Bc4 Nf6 8. Nc3 O-O {[%CAl Bf6e4]} 9. O-O d6 10. Qe2 a5 11. Rd1 Qb6 {Strongly threatening ...Bg4.} 12. Na4 Qc7 {[%CAl Bd6d5]} 13. Qf3 $2 (13. Bf4 {and White is okay.}) 13... Bg4 $19 14. Qd3 Bxd1 15. Qxd1 Nxe4 16. Qe2 d5 17. Bd3 Nf6 18. g3 Rfe8 19. c4 e5 20. cxd5 Nxd5 {[%CAl Be5e4]} 21. Bg5 h6 22. Bd2 e4 23. Bc2 Nb4 24. Bxb4 axb4 25. Rb1 e3 {[%CAl Ba8a4] ...Rxa4! is the strong threat.} 26. fxe3 Qa7 27. b3 Rxe3 28. Qf2 Bd4 29. Kg2 Rxb3 30. Qd2 Rxb1 31. Bxb1 c5 32. Bc2 Qe7 33. Nb6 Re8 34. Nd5 Qe2+ 35. Qxe2 Rxe2+ {Shankovsky,A (2406)-Janaszak,D (2348) Chess.com INT 2021 0-1}) (6. Be3 Nf6 7. Nc3 O-O 8. O-O Ng4 9. Qxg4 Nxd4 10. Bd3 d5) 6... bxc6 7. Nc3 Qb6 8. Nf3 $6 {Inaccuracy. Nb3 was best.} (8. Nb3 Qc7 9. Be3 Nf6 10. Qd2 a5 11. Nc5 O-O 12. f3 d6) 8... Ba6 $17 {[#]} 9. e5 $146 (9. Qd2 Nf6 10. Qe3 Qc7 11. Ne2 O-O 12. O-O Ng4 13. Qd2 d5 14. exd5 cxd5 15. Re1 {0-1 (32) Liebert,E (1773)-Vuori,S (1841) Jarvenpaa 2015} e6 16. h3 Nf6 17. Ng3 {Against Ne4} Rfc8 18. c3 Nd7 19. Qf4 (19. Ne2 $17) 19... Qxf4 $19 20. Bxf4 {[#]} Nc5 $1 21. Nd4 (21. Bd6) 21... Nd3 $19 22. Nxe6 fxe6 23. Rxe6 Nxf4 24. Rxa6 Re8 25. Rc1 (25. Rd1 {is a better defense.}) 25... Ne2+ $19 26. Nxe2 Rxe2 27. b3 Rf8 28. f3 Rfe8 29. Rxa7 $2 (29. Ra5) 29... Rd2 $2 (29... Bh6 30. Rd1 Be3+ 31. Kh2 Bxa7) 30. a4 Bh6 31. Kf1 $2 (31. Kh1) 31... Be3 $19 32. Re1 {0-1 (32) Liebert,E (1773)-Vuori,S (1841) Jarvenpaa 2015}) 9... Nh6 {[%CAl Bg8h6,Bh6f5,Bf5d4][%mdl 32]} 10. h3 {Prevents Ng4.} Rd8 $6 {Inaccuracy. O-O was best.} (10... O-O) 11. Rb1 d6 12. Qd2 $4 {Blunder. Qd4 was best.} (12. Be3 $17 {keeps fighting.} c5 13. Nd5) (12. Qd4 dxe5 13. Qxb6 axb6 14. Nxe5 c5 15. f4 Nf5 16. Kf2 O-O 17. Rd1 Nd4) 12... dxe5 $19 13. Qe3 Nf5 14. Qxb6 axb6 15. Na4 Rb8 16. b3 O-O $40 {[%mdl 128] Black attacks with force.} 17. c4 Nd4 18. O-O Nxf3+ 19. gxf3 Bc8 20. Kg2 $6 {Inaccuracy. Be3 was best.} (20. Be3 c5) 20... Bf5 21. Rb2 e4 22. Rd2 exf3+ 23. Kxf3 Bxh3 24. Rh1 Bf5 25. Rdd1 h5 26. Kg3 Bf6 27. Bh6 Rfe8 28. Rdg1 Kh7 29. Be3 Be5+ 30. f4 Bc7 31. Bd4 e5 32. fxe5 Bxe5+ 33. Bxe5 Rxe5 34. Rd1 (34. Re1 Rxe1 35. Rxe1) 34... b5 35. cxb5 cxb5 36. Nb2 Re2 {Inhibits Rd2.} 37. Nd3 {[#]} (37. Rh2 Rbe8 38. Rd2 R8e3+ 39. Kf4) 37... Re3+ {Weighted Error Value: White=0.59/Black=0.21 (precise) PRECISÃO LICHESS: BRANCAS 91% PRETAS 96%} 0-1 [Event "Memorial Silvio Mendes"] [Site "Rio de Janeiro"] [Date "2024.07.08"] [Round "5.7"] [White "Herivaldo, Souza E Silva"] [Black "Clara, Oliveira Silva"] [Result "1/2-1/2"] [ECO "A01"] [WhiteElo "1613"] [BlackElo "1395"] [Annotator "Stockfish 16.1"] [PlyCount "84"] [EventDate "2024.??.??"] [EventCountry "BRA"] {[%evp 0,84,19,-29,-28,-20,-20,-20,-22,-20,-32,-24,-3,-56,-44,-41,-20,-56,-23,-23,-17,-17,-3,19,31,26,29,-13,-25,-23,-12,0,0,-32,-39,-44,23,-58,0,-10,21,0,59,59,59,59,59,43,54,40,40,40,40,10,46,43,108,58,51,45,45,45,36,-8,-8,-54,-110,-153,-94,-141,-120,-108,-103,-103,-77,-84,-56,-63,-63,-60,-43,-90,-68,-59,-39,-42,-22]} 1. b3 e5 2. Bb2 Nc6 3. Nf3 e4 4. Nd4 Nxd4 5. Bxd4 Nf6 6. g3 $6 $146 {Inaccuracy. c4 was best. A01: Nimzowitsch-Larsen Opening.} (6. c4 d5 (6... Be7 7. Nc3 O-O 8. Qc2 d5 9. e3 c6 10. cxd5 cxd5) 7. e3 c5 8. Bxf6 Qxf6 9. Nc3 d4 10. Nxe4 Qe5 11. Ng3 h5 12. f4 Qf6 13. Be2 h4 14. Ne4 Qe7 15. Qc2 g6 16. O-O Bg7 17. Rae1 O-O 18. Bd3 Bf5 19. Ng5 Bxd3 20. Qxd3 dxe3 {Deac,B (2690)-Narva,M (2397) chess.com INT 2024 1-0 (36)}) 6... d5 7. Bg2 Be7 8. O-O {Black is slightly better.} O-O 9. d3 Bf5 (9... c5 $5 {[%CAl Rc5d4]} 10. Bb2 e3) 10. Nd2 c5 11. Bb2 Rb8 $146 (11... exd3 12. cxd3 Qd7 13. e4 Be6 14. e5 Ng4 15. Qe2 d4 16. h3 Nh6 17. g4 f5 18. exf6 Bxf6 {1-0 (48) Benes,P (2084)-Richtrova,E (2191) Prague 2019}) 12. dxe4 dxe4 (12... Nxe4 $5 {[%CAl Re7f6]} 13. Nxe4 dxe4) 13. e3 $6 {Inaccuracy. Nc4 was best.} (13. Nc4 b5 14. Ne3 Be6 15. Be5 Rc8 16. c4 bxc4 17. Qc2 cxb3 18. axb3 Nd5) 13... Qd7 14. Nc4 Rfd8 $6 {Inaccuracy. Qe6 was best.} (14... Qe6) 15. Qxd7 Rxd7 16. Bc3 Nd5 17. Bb2 {[%CAl Bg3g4]} Rbd8 18. a3 $6 {Inaccuracy. g4 was best.} (18. Ne5) (18. g4) 18... Nf6 $6 {Inaccuracy. Bf6 was best.} (18... Bf6) 19. h3 b5 (19... h6) 20. Ne5 Rd2 $6 {Inaccuracy. Rd6 was best.} (20... Rd6) 21. Nc6 $14 R8d7 22. Nxe7+ Rxe7 23. Rac1 Red7 24. Bc3 Re2 $6 {Inaccuracy. R2d5 was best.} (24... R2d5 25. g4 Bg6 26. Bxf6 gxf6 27. c4 bxc4 28. Rxc4 f5 29. Rfc1 fxg4 30. hxg4) 25. Rfe1 $6 {Inaccuracy. g4 was best.} (25. g4) 25... Rxe1+ 26. Rxe1 (26. Bxe1 $5 {[%CAl Rg3g4]} h5 27. Bf1 $14) 26... Nd5 27. Bb2 b4 $2 {Mistake. h5 was best.} (27... h5 28. Kf1) 28. axb4 $6 {Inaccuracy. g4 was best.} (28. g4) 28... Nxb4 29. g4 Bg6 30. Rc1 $6 {Inaccuracy. Ra1 was best.} (30. Ra1 Nxc2) 30... Rd2 31. Bc3 (31. Ba3) 31... Rxc2 $15 32. Rd1 $2 {Mistake. Rxc2 was best.} (32. Rxc2 Nxc2 33. Be5 Ne1 34. Bd6 Nd3 35. Bf1 a5 36. Bxd3 exd3 37. Kf1 c4) 32... Nd3 $19 33. Be1 h6 (33... Rb2 $19 34. f4 f5) 34. f4 $6 {Inaccuracy. Bf1 was best.} (34. Bf1 f6) 34... exf3 35. Bxf3 Nxe1 36. Rxe1 {[%mdl 4096] Endgame KRB-KRB} Rc3 $2 {Mistake. Rb2 was best.} (36... Rb2 37. Bd5 (37. e4 Rxb3 38. Kf2 c4 39. Ra1 Rb7 40. Ke3 f6 41. Ra5 Rc7 42. Bd1) 37... Bc2) 37. Bd5 $17 Rd3 38. Bc4 Rd2 39. e4 Ra2 40. Re3 a5 41. h4 Ra1+ 42. Kh2 Kf8 {Weighted Error Value: White=0.26 (precise) /Black=0.23 (precise) PRECISÃO LICHESS: BRANCAS 90% PRETAS 90%} 1/2-1/2 [Event "Memorial Silvio Mendes"] [Site "Rio de Janeiro"] [Date "2024.07.08"] [Round "5.8"] [White "Carlos, Alberto De Carvalho"] [Black "Jorge, Luiz Das Chagas Mac"] [Result "1-0"] [ECO "D00"] [WhiteElo "1957"] [BlackElo "1770"] [Annotator "Stockfish 16.1"] [PlyCount "83"] [EventDate "2024.??.??"] [EventCountry "BRA"] {[%evp 0,83,11,7,10,-17,13,10,8,-11,8,0,29,-31,-24,-43,-11,-11,-7,-15,7,28,31,25,41,15,50,65,62,62,115,82,78,84,118,113,121,111,149,158,276,149,157,123,170,181,177,160,197,158,188,178,302,298,285,308,308,308,521,309,407,410,465,555,1168,1160,1160,2655,29975,378,700,382,400,397,422,418,444,405,477,477,602,406,406,420,996,887]} 1. d4 d5 2. Bg5 Nd7 3. Nd2 Ngf6 4. e3 e6 5. Bd3 Be7 6. f4 O-O $146 {D00: 1 d4 d5: Unusual lines.} (6... h6 7. Bxf6 Bxf6 8. Ngf3 c5 9. c3 a5 10. O-O a4 11. a3 b6 12. Qe2 Qc7 13. Ne5 Bb7 14. Bb5 Bxe5 15. fxe5 Bc6 16. Bd3 f5 {Inhibits Qg4.} (16... O-O $1) 17. exf6 $16 Nxf6 18. Bg6+ Ke7 19. Nf3 Be8 20. Ne5 Nd7 (20... Kd8 $16) 21. Bxe8 {Timerkhanov,A (2314)-Grot,B (2046) chess.com INT 2024 1-0 (45)}) (6... b6 7. h3 Bb7 8. Ngf3 Ne4 9. Bxe7 $1 Qxe7 10. Bxe4 dxe4 11. Ne5 Qh4+ 12. Kf1 Nxe5 13. fxe5 h5 {Prevents Qg4.} 14. Qe1 Qg5 15. h4 Qe7 16. Qg3 O-O-O 17. Qf4 (17. c3 $15) 17... f6 (17... Qb4 18. Nb3 a5) 18. exf6 gxf6 19. Rh3 (19. c3 $17) 19... e5 $19 20. Qf5+ Kb8 21. Qf2 {Vivaan Amarnani (1270)-Cheng,C (1775) Penang MAS 2023 0-1}) 7. Bxf6 $146 (7. c3 Ne8 8. Bxe7 Qxe7 9. Ngf3 c5 10. O-O b6 11. Ne5 Nd6 12. Rf3 f5 13. g4 Nxe5 14. dxe5 {1-0 (34) Drazic,S (2540)-Graf,A (2593) Dresden 2010}) 7... Bxf6 8. Ngf3 g6 {The position is equal.} 9. h4 Re8 10. g4 c5 11. c3 Qb6 12. Rb1 $4 {Blunder. Qb3 was best.} (12. Qb3) 12... a6 $4 {Blunder. cxd4 was best.} (12... cxd4 13. cxd4) 13. g5 $4 {Blunder. Nf1 was best.} (13. Nf1 Bg7 14. h5 cxd4 15. cxd4 e5 16. fxe5 Nb8 17. hxg6 fxg6 18. Ng5 h6) 13... Bg7 $4 {Blunder. cxd4 was best.} (13... cxd4 14. cxd4 e5 15. fxe5 Bxe5 16. Kf2 Bg7 17. h5 Qe6 18. Re1 Nf8 19. Re2) 14. h5 $2 {Mistake. Ne5 was best.} (14. Ne5) 14... Nf8 $4 {Blunder. e5 was best.} (14... e5 15. fxe5 cxd4 16. cxd4 Bxe5 17. Kf2 Bc7 18. Qb3 Qxb3 19. Nxb3 Nf8 20. Rh4) 15. hxg6 fxg6 16. Ne5 cxd4 17. cxd4 $6 {Inaccuracy. exd4 was best.} (17. exd4 Bxe5 18. fxe5 Bd7 19. Nf3 Qd8 20. Qd2 Re7 21. Nh2 Bb5 22. Ng4 Bxd3) 17... Qa5 18. a3 b5 19. Qg4 Ra7 $6 {Inaccuracy. Bxe5 was best.} (19... Bxe5 20. fxe5 (20. dxe5 d4 $16) 20... Ra7 (20... Re7 21. Rf1 b4 22. Nb3 Qb6 23. a4 a5 24. Rc1 Ba6 25. Bxa6)) 20. Ke2 $6 {Inaccuracy. Nc6 was best.} (20. Nc6 Qc7 (20... e5 21. Qg2 Qc7 22. Nxa7 Qxa7 23. fxe5 Bxe5 24. Qxd5+ Kh8 25. Rc1 Bg7) 21. Nxa7 Qxa7 22. Qf3) 20... Rc7 $16 21. Nb3 Qb6 (21... Qa4 $1 {remains equal.} 22. Nc5 Rxc5) 22. Nc5 Bxe5 23. fxe5 Rce7 $6 {Inaccuracy. a5 was best.} (23... Rg7 $16 {was necessary.}) (23... a5 24. Rbf1 a4 25. Rf6 b4 26. Qf4 bxa3 27. bxa3 Qb2+ 28. Kf3 Qxa3 29. Bb5) 24. Rbf1 $36 {[%mdl 2048] White is really pushing.} Nd7 $2 {Mistake. Rg7 was best.} (24... Rg7 25. Qh4 (25. Rf6 Ree7 26. Qf4 Ref7 27. Rf1 Qc7 28. Kd2 Qe7 29. Kc3 Nd7 30. Rxf7) 25... b4) 25. b4 $6 {Inaccuracy. Bxg6 was best.} (25. Bxg6 Qa7 (25... Nxe5 26. dxe5 Qa7 27. Qh5 Rd8 28. Bd3 Rg7 29. b4 Qc7) 26. Bxh7+ $1 {[%mdl 512]} Rxh7 27. Rxh7 Nf8 28. Rxa7 Nd7 29. Nxd7 Bxd7 30. Rxd7 a5 31. Qh5 Re7 32. Qg6+ Kh8 33. Rf8#) 25... a5 $2 (25... Rg7 26. Rxh7 (26. Rf6 Qa7 27. Rxg6 Rxg6 28. Bxg6 Nxe5 29. Rxh7 Nxg4 30. Rxa7 Rf8 31. Nd3) 26... Rxh7) 26. Qh4 Nf8 27. Rf6 axb4 (27... Rg7 28. Bxg6 Ree7) 28. Bxg6 Qa7 {[#]} 29. axb4 $6 {Inaccuracy. Bxe8 was best.} (29. Bxe8 Rxe8 30. Qh5 Rd8 31. g6 Qg7 32. gxh7+ Kh8 33. axb4 Bd7 34. Rf7 Qg2+) 29... Rd8 (29... Qa2+ 30. Kf3 Nxg6 31. Rxg6+ $1 {[%mdl 512]} Kh8 32. Qf4 Qa7 33. Qf6+ Rg7 34. Rxg7 Qxg7 35. g6) (29... Nxg6 30. Rxg6+) 30. Bd3 Bd7 $4 {Checkmate is now unavoidable. Rg7 was best. [#]} (30... Rg7 31. g6 Qe7 (31... Re8 32. Bb1 Qc7 33. Qh6 Nxg6 34. Rxg6 Rxg6 35. Bxg6 Re7 36. Rf1)) 31. g6 $2 {Lost forced checkmate sequence. Rxf8+ was best.} (31. Rxf8+ Kxf8 32. Qh6+ Ke8 (32... Rg7 33. Qf6+ Ke8 34. Bg6+ Rxg6 35. Qh8+ Rg8 36. Qxg8+ Ke7) 33. Bg6+ $1 {[%mdl 512]} Rf7 34. Bxf7+ Kxf7 35. Qxh7+ Kf8 36. Rf1+ Ke8 37. Qf7#) 31... Be8 $2 {Checkmate is now unavoidable. Bc6 was best.} (31... Bc6 32. gxh7+) 32. gxh7+ Nxh7 33. Bxh7+ Rxh7 {[#]} 34. Qxh7+ $4 {Lost forced checkmate sequence. Rg6+ was best.} (34. Rg6+ Bxg6 35. Qxd8+ Kf7 36. Qf6+ Ke8 37. Qxg6+ Qf7 38. Qxh7 Qxh7 (38... Ke7 39. Qh4+ Ke8) 39. Rxh7) 34... Qxh7 {White is clearly winning.} 35. Rxh7 Kxh7 36. Nxe6 {[%mdl 4096] Endgame KRB-KRN} Bh5+ 37. Kf2 Rc8 38. Nf4 {[%csl Bd5,Bh5]} Rc2+ 39. Kg3 Be2 40. Nxe2 (40. e6 {Black must now prevent e7.} Rc7 41. Nxe2) 40... Rxe2 41. Kf3 Rb2 $6 {Inaccuracy. Rh2 was best.} (41... Re1 42. Rd6 Rf1+ 43. Kg4 Re1 44. Rxd5 Kg6) (41... Rh2 42. Rb6 Kg7 43. Rxb5 Kg6 44. Rxd5 Kf5 45. e4+ Kg5 46. e6+ Kf6 47. e5+) 42. e6 {Weighted Error Value: White=0.77/Black=0.92 PRECISÃO LICHESS: BRANCAS 85% PRETAS 81%} 1-0 [Event "Memorial Silvio Mendes"] [Site "Rio de Janeiro"] [Date "2024.07.08"] [Round "5.9"] [White "Mauro, Machado De Carvalho"] [Black "Rodolfo, De Araujo Bezerra"] [Result "0-1"] [ECO "A41"] [WhiteElo "1621"] [BlackElo "1709"] [Annotator "Stockfish 16.1"] [PlyCount "85"] [EventDate "2024.??.??"] [EventCountry "BRA"] {[%evp 0,85,14,7,81,42,33,42,45,45,89,29,29,23,116,116,116,118,135,137,167,81,81,84,110,110,80,41,41,41,41,-38,-27,-27,-25,-25,-26,-26,-9,-33,-33,-44,-39,-44,-18,-37,-16,-50,-50,-54,-53,-85,-72,-93,-86,-96,-68,-72,-67,-95,-95,-105,-105,-105,-105,-126,-71,-75,-70,-83,-75,-92,-61,-88,-59,-176,-76,-75,-54,-341,-274,-274,-274,-413,-324,-324,-315,-324]} 1. d4 d6 2. Bf4 Nf6 3. Nc3 Nbd7 4. Nf3 b6 $6 $146 {Inaccuracy. c5 was best.} (4... Nh5 5. Bd2 e5 6. e4 Nhf6 7. h3 Be7 8. g4 O-O 9. Be3 c6 10. g5 Ne8 11. a4 Nc7 12. h4 Ne6 13. Qd2 exd4 14. Nxd4 Nxd4 15. Bxd4 Nc5 16. O-O-O Qa5 17. Kb1 Re8 18. Rg1 Be6 19. h5 {Grischuk,A (2732)-Shimanov,A (2578) Samarkand UZB 2023 1-0 (38)}) (4... c5 5. d5 Qa5 6. Nd2 (6. a4 Ne4 7. Qd3 f5 8. Ng5 Qb4 9. Ngxe4) 6... b5 7. e4 a6 8. a4 b4 9. Ne2 Qc7 10. Ng3 g6 11. Be2 a5 12. O-O Bg7 13. Re1 O-O 14. Ngf1 Nb6 15. Ne3 Nfd7 16. Ndc4 Re8 17. h4 Ba6 18. Qc1 Nxc4 19. Bxc4 {Zeman,M (2308)-Nedela,V (2339) Czech Republic CZE 2024 0-1 (37)}) (4... c6 5. e4 Qa5 6. Bd3 (6. Bd2 Qc7 7. Bd3 e5 8. O-O h6 9. a4 a5 10. Qe2 Be7 11. Nd1 O-O 12. Ne3 Re8 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Bc4 Bc5 16. Qf3 Bxe3 17. Bxe3 Be6 18. Bd3 Nd7 19. Qg3 {Blahynka,M (2378)-Zwardon,V (2470) Czech Republic CZE 2024 ½-½ (53)}) 6... e5 7. Bd2 Qc7 8. a4 Be7 9. O-O O-O 10. h3 Re8 11. Re1 b6 12. Ne2 a6 13. c3 Bb7 14. Ng3 Bf8 15. Qb3 d5 16. exd5 cxd5 17. dxe5 Nxe5 18. Rxe5 Rxe5 19. Nxe5 {Arca,C (2283)-Shohat,Y (2369) chess.com INT 2024 1-0 (46)}) 5. e3 $2 {Mistake. e4 was best.} (5. e4 Bb7 6. e5 Nh5 7. Be3 g6 8. Qe2 Ng7 9. h4 h5 10. O-O-O a6) 5... Bb7 6. Bd3 {A45: Trompowsky Attack.} Bxf3 $4 $146 {Blunder. c5 was best.} (6... e6 $14) (6... g6 7. h3 Bg7 8. O-O O-O 9. e4 Nh5 10. Bh2 e5 11. dxe5 dxe5 12. Bc4 Qe8 {0-1 (64) Novotny,D (2001)-Mica,M (2315) Prague 2020}) (6... c5 7. h3 a6 8. O-O e6 9. Nb1 b5 10. c3 Be7 11. Nbd2) 7. Qxf3 $16 e5 8. dxe5 {White is clearly better.} dxe5 9. Bg5 {[#] Hoping for Bxf6.} Be7 $6 {Inaccuracy. Bd6 was best.} (9... Bd6 10. Nd5 (10. O-O-O O-O 11. Bf5 h6 12. Bh4 g5 13. Bg3 Qe7 14. h4 g4 15. Qe2) 10... h6) 10. Qc6 $6 {Inaccuracy. O-O-O was best.} (10. O-O-O Bd6 11. Nd5 (11. Ne4 a6 12. Nxd6+ cxd6 13. Bf5 Ke7 14. Bxf6+ Nxf6 15. Qb7+ Kf8)) 10... O-O 11. O-O-O Bd6 12. Nb5 Nc5 13. Bf5 $2 {Mistake. Nxd6 was best.} (13. Nxd6 Nxd3+ 14. Rxd3 cxd6 15. Rxd6 (15. Rhd1 Rc8 16. Rxd6 Rxc6 17. Rxd8 h6 18. Bh4 g5)) 13... Qe8 $14 14. Qxe8 Nxe8 15. Nxd6 $6 {Inaccuracy. Bh4 was best.} (15. f3 $14) (15. Bh4) 15... Nxd6 16. Bd3 f6 17. Bh4 Rad8 18. f3 e4 $6 {Inaccuracy. Nxd3+ was best.} (18... Nxd3+ 19. Rxd3 Nf5 20. Rxd8 Rxd8 21. Bf2 Nd6 22. e4 Kf7 23. b3 g6 24. Rd1) 19. fxe4 $6 {Inaccuracy. Be2 was best.} (19. Be2 exf3) 19... Ncxe4 20. Rhf1 Rde8 21. Be1 Nc5 22. Bf2 Nxd3+ 23. Rxd3 Ne4 24. Bg1 Re7 25. g3 $6 {Inaccuracy. h3 was best.} (25. h3) 25... Rfe8 26. Rfd1 Kf7 27. Rd7 $6 {Inaccuracy. Rf1 was best.} (27. Rf1 g5 28. Kd1 Kg6 29. Ke2 Re5 30. c4 h5 31. Rd7 Rc5 32. Rc1 Rc6) 27... Nc5 $2 {Mistake. Kg6 was best.} (27... Kg6 28. a4 Kh5 29. a5 Kg4 30. a6 Nd6 31. Rxe7 Rxe7 32. Kd2 Kf3 33. Ke1) 28. Rxe7+ Rxe7 $15 {[%mdl 4096] Endgame KRB-KRN} 29. b4 $6 {Inaccuracy. Rd4 was best.} (29. Rd4 Ne4 30. Kd1 c5 31. Rd8 Ke6 32. Ke2 Kf5 33. Kf1 Ng5 34. Bf2 Ke4) 29... Ne4 30. Rd3 {Against Nc3} c5 $6 {Inaccuracy. Kg6 was best.} (30... Kg6 31. b5 Kf5 32. Ra3 Nd6 33. Rxa7 Nxb5 34. Ra4 Re4 35. Rxe4 Kxe4 36. Kd2) 31. bxc5 Nxc5 32. Rd1 $6 {Inaccuracy. Rd4 was best.} (32. Rd4 Ne4 33. Kd1 f5 34. a4 Kf6 35. Ke2 Re5 36. Rc4 Ra5 37. g4 Rc5) 32... Ke6 $6 {Inaccuracy. Ne4 was best.} (32... Ne4 33. Rd4 Kg6 34. Kd1 Kh5 35. Ke2 Kg4 36. Bf2 Kh3 37. Be1 h5 38. Kf3) 33. g4 Ne4 34. Rd4 f5 $6 {Inaccuracy. Kf7 was best.} (34... Kf7 35. Kd1 Ng5 36. Bf2 Nf3 37. Rf4 Nxh2 38. g5 f5 39. Rxf5+ Kg6 40. Rd5) 35. Kb2 $2 {Mistake. h3 was best.} (35. h3 g5) 35... g6 $6 {Inaccuracy. Kf6 was best.} (35... Kf6 36. gxf5 Kxf5 37. Bf2 g5 38. Be1 Kg4 39. Bb4 Re8 40. Rd7 a5 41. Bd6) 36. Kb3 (36. h4) 36... Rc7 (36... h5 37. gxh5 gxh5) (36... Kf6 37. gxf5 gxf5 38. h4 Kg6 39. Rd5 Rf7 40. Bh2 Kh5 41. a4 Kxh4 42. a5) 37. Rd8 $4 {Blunder. gxf5+ was best.} (37. a4 $17) (37. gxf5+) 37... Re7 $4 {Blunder. fxg4 was best.} (37... fxg4 38. Rd4 Ke5 39. c4 Rf7 40. Rd1 Ke6 41. a4 Rf5 42. Kc2 Ra5 43. Rd4) 38. Rd4 {[#]} Ng5 $6 {Inaccuracy. g5 was best.} (38... h5 $1 {[%CAl Rh5g4]} 39. gxh5 gxh5) (38... g5 39. h3 h5 40. Bh2 h4 41. Kc4 Kf6 42. Kd3 Nf2+ 43. Ke2 Nxh3 44. Kf3) 39. Rc4 {[%mdl 8192]} (39. Bf2 Kf7 40. gxf5 gxf5 41. Kb4 Nh3 42. Bg3 Rxe3 43. c4 Re7 44. a4 Ng5) 39... Nf3 40. gxf5+ gxf5 41. Rc6+ (41. Bf2 Nd2+ 42. Kc3 Nxc4 43. Kxc4) 41... Kd7 $6 {Inaccuracy. Kd5 was best.} (41... Kd5 42. Rf6 Ke5 43. Rf8 Nxg1 44. Kc4 Nf3 45. Kd3 Nxh2 46. c4 Ng4 47. c5) 42. Rf6 Nxg1 43. Rxf5 {Weighted Error Value: White=0.46/Black=0.33 PRECISÃO LICHESS: BRANCAS 82% PRETAS 85%} 0-1 [Event "Memorial Silvio Mendes"] [Site "Rio de Janeiro"] [Date "2024.07.08"] [Round "5.10"] [White "Zahir, Goncalves Firmo"] [Black "Rafaela, Martins Cardoso"] [Result "0-1"] [ECO "A48"] [WhiteElo "1280"] [BlackElo "1674"] [Annotator "Stockfish 16.1"] [PlyCount "70"] [EventDate "2024.??.??"] [EventCountry "BRA"] {[%evp 0,70,14,7,30,30,53,23,13,11,11,7,39,19,34,8,21,13,4,12,31,0,13,-21,-21,-31,161,6,161,161,161,99,109,102,101,103,112,-3,102,102,134,133,133,102,126,42,55,61,49,-90,-90,-99,-99,-230,-179,-161,-153,-193,-153,-216,-221,-275,-275,-267,-277,-879,-970,-29987,-29988,-29989,-1404,-29993,-29994]} 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 O-O 5. O-O d6 6. Nc3 $146 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} (6. Re1 Nbd7 7. e4 e5 8. c3 b6 9. Bg5 Bb7 10. Nbd2 h6 11. Bh4 Kh7 12. Bc2 Qe8 13. Qe2 c5 14. Nc4 Ba6 15. Nxd6 Bxe2 16. Nxe8 Rfxe8 (16... Bxf3 $14 17. Nxf6+ Bxf6 18. Bxf6 Nxf6) 17. Rxe2 $16 exd4 18. cxd4 cxd4 19. Nxd4 Ne5 20. Bb3 (20. f4 Neg4 21. Rd1) 20... Rad8 {Ojeda,J (2075)-Hernandez,E (1950) Medellin COL 2024 ½-½ (67)}) (6. b4 Nbd7 7. Nbd2 e5 8. c4 Re8 {White must now prevent ...e4.} 9. Qc2 c6 (9... Qe7 $5 {[%CAl Re5e4]} 10. Be2 e4 $15) 10. Bb2 Ng4 11. c5 d5 12. dxe5 Ngxe5 13. Be2 Nxf3+ 14. Nxf3 Ne5 15. Nd4 h5 16. h3 Qh4 17. Nf3 (17. a4 {remains equal.}) 17... Nxf3+ 18. Bxf3 Qxb4 19. Bxg7 Kxg7 20. Rfd1 Bf5 {Wu,S (1553)-Lu,Q Shanghai CHN 2024 ½-½}) (6. c3 b6 7. Nbd2 Nbd7 8. Ne4 Bb7 9. Nxf6+ Nxf6 10. Re1 c5 11. e4 Nd7 {½-½ (11) Adarsh,T (2356)-Michalek,J (2247) Plzen CZE 2024}) 6... Nbd7 7. b3 Re8 8. Bb2 {The position is equal.} e5 9. dxe5 dxe5 {[#] aiming for ...e4.} 10. e4 $146 (10. Bc4 e4 11. Ng5 Ne5 12. Qxd8 Rxd8 13. Ncxe4 Nxe4 14. Nxe4 Bf5 15. Bxe5 Bxe5 16. Ng5 Bxa1 17. Rxa1 {1-0 (45) Fogh,J (2032)-Andersen,J (2300) Esbjerg 2008}) 10... c6 11. Ng5 (11. Qe2) 11... h6 $2 {Mistake. Nh5 was best.} (11... Nh5 12. Nxf7 (12. h4) 12... Kxf7 13. Bc4+ Re6) 12. Nxf7 Qe7 $6 {Inaccuracy. Kxf7 was best.} (12... Kxf7 13. Bc4+ Kf8) 13. Bc4 $4 {Blunder. Nd6 was best.} (13. Nd6 Qxd6 14. Bc4+ Nd5 15. exd5 Nb6 16. Ne4 Qd8 17. d6+ Nxc4 18. bxc4 Bf5) 13... Kh7 $4 {Blunder. b5 was best.} (13... b5 14. Nxh6+ Kh7 15. Bf7 Bxh6 16. Bxe8 Nxe8 17. Bc1 Bg7 18. Be3 Nc5 19. Qd2) 14. Nd6 $36 {[%mdl 2048] White has strong initiative.} Rf8 15. Nb1 (15. Ba3 $18) 15... Nb6 16. Ba3 Qc7 17. Nxc8 Rfxc8 {[#]} 18. Be6 $4 {Blunder. Bd3 was best.} (18. Bd3 Nbd7 19. Nd2 a5 20. Qe2 Re8 21. g3 Bf8 22. Bb2 a4 23. a3 Nc5) 18... Rd8 $4 {Blunder. Re8 was best.} (18... Re8 19. Bd6 (19. Bg4 Nxe4 20. c4 Ng5 21. h4 e4 22. Nd2 Rad8 23. hxg5 Qf4 24. Bb4) 19... Qd8) 19. Qf3 Re8 20. Bh3 Rad8 21. Kh1 Nbd7 $6 {Inaccuracy. Nc8 was best.} (21... Nc8 22. Qe2 Nd6 23. Nd2 Nb5 24. Bb2 Nd4 25. Bxd4 Rxd4 26. c3 Rd6 27. g3) 22. g4 $2 {Mistake. Qe2 was best.} (22. Nd2 $16) (22. Qe2 a6 23. f3 c5 24. Nc3 Nb8 25. Nd1 Nc6 26. c3 Qa5 27. Bc1 Qb5) 22... Nf8 23. g5 hxg5 $6 {Inaccuracy. Nh5 was best.} (23... Nh5 24. Bc1 Qe7 25. Rg1 Nf4 26. gxh6 Bxh6 27. Nc3 Qh4 28. Bg4 N8e6 29. Bxe6) 24. Bxf8 $2 (24. Bc1 Rd6 25. Bxg5 Bh6 26. Bxh6 Kxh6 27. Nd2 Kg7 28. Nc4 Rd4 29. Rae1 Nh5) 24... Rxf8 $17 25. Be6 $6 {Inaccuracy. Nc3 was best.} (25. Qg2 $17 {was called for.}) (25. Nc3 Qa5 26. Nd1 Rd4 27. Bg2 Bh6 28. Ne3 Nxe4 29. Qh3 Nxf2+ 30. Rxf2 Rxf2) 25... Bh6 $19 26. Rg1 $6 {Inaccuracy. Nc3 was best.} (26. Nc3 Qd6 27. Qh3 Qd2 28. Qg3 Nh5 29. Qe3 g4 30. Qxd2 Rxd2 31. Rad1 Rdxf2) 26... Qe7 27. Bc4 Nh5 28. Qg2 Nf4 29. Qg4 (29. Qg3) 29... b5 30. Bd3 Nxd3 31. cxd3 Rxd3 32. h4 $2 {Mistake. Rg3 was best.} (32. Qe2 Rdf3 33. Rg2) (32. Rg3 Qd8 33. Nc3 Rxf2 34. Rag1 Rdd2 35. Rh3 Kg7 36. b4 Qf6 37. a4 a6) 32... Rf4 33. Qg2 $4 {Checkmate is now unavoidable. Nc3 was best.} (33. Nc3 Rxg4 34. Rxg4 Qe6 35. Rg2 gxh4 36. Ne2 Qh3+ 37. Kg1 Qf3 38. Kf1 Bf4) 33... Rxh4+ 34. Qh2 $4 {Checkmate is now unavoidable. Qh3 was best.} (34. Qh3 Rhxh3+ 35. Kg2 Qf6 36. Nd2 Rh2+ 37. Kxh2 Qxf2+ 38. Rg2 Rh3+ 39. Kxh3 Qh4#) 34... Qe6 $6 {Lost forced checkmate sequence. Qf6 was best.} (34... Qf8 35. Qxh4 Qf3+ 36. Kh2 gxh4 37. Rg3 hxg3+ 38. fxg3 Qxg3+ 39. Kh1 Rd1#) (34... Qf6 35. Qxh4 Qf3+ 36. Rg2 Rd1+ 37. Kh2 gxh4 38. Nd2 Bf4+ 39. Rg3 Qh1#) 35. Qxh4 $6 {Checkmate is now unavoidable. Rg3 was best.} (35. Rg3 Qf6) 35... gxh4 {Weighted Error Value: White=1.03/Black=0.64 PRECISÃO LICHESS: BRANCAS 80% PRETAS 88%} 0-1