[Event "I IRT CXG 2025"] [Site "Rio de Janeiro"] [Date "2025.03.25"] [Round "2.1"] [White "Macario, Jorge Luiz das Chag"] [Black "Brito, Vicente De Paulo Al"] [Result "1/2-1/2"] [ECO "E81"] [WhiteElo "1787"] [BlackElo "1880"] [Annotator "Chessbase - SF17"] [PlyCount "63"] [GameId "2160902826501865"] [EventDate "2025.??.??"] {[%evp 0,63,16,5,26,-44,69,44,69,30,48,8,56,-6,94,35,49,-19,47,48,73,57,82,-15,1,14,10,16,12,3,47,34,37,37,56,22,34,16,23,-9,12,4,317,-181,-179,-271,-34,-86,-86,-88,-53,-46,-46,-66,-49,-60,-63,-63,-30,-84,-51,-32,4,0,-44,-52]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. Nge2 Nc6 8. d5 Na5 (8... Ne5 9. Ng3 e6 10. Be2 exd5 11. cxd5 b5 12. Nxb5 Rb8 13. O-O a6 14. Nc3 Rxb2 15. Qc1 Rb4 16. Bh6 Bxh6 17. Qxh6 Re8 18. h3 Kh8 19. Qc1 c4 20. Kh2 a5 21. Nd1 h5 22. Qc3 Kg8 23. Ne3 Qb6 24. Nxc4 Qc5 25. Rfc1 h4 26. Nf1 Ba6 27. Nxe5 Qxc3 28. Rxc3 Bxe2 29. Nc6 Bxf1 30. Nxb4 axb4 31. Rc6 Be2 32. Rxd6 Nh5 33. Rb6 Rc8 34. d6 Kg7 35. Rxb4 Nf4 36. Rab1 Rc2 37. R1b2 Rc1 38. e5 {1-0 Salem,A (2631)-Amin,B (2636) Olympiad-45 Budapest 2024 (8.1)}) 9. b3 (9. Ng3 a6 10. Be2 Nd7 11. Rc1 b5 12. cxb5 axb5 13. Bxb5 Ne5 14. O-O Nac4 15. Bg5 Bd7 16. Bxd7 Qxd7 17. Qe2 Nxb2 (17... h6 18. Bf4 Rfb8 19. b3 Na3) 18. Qxb2 Nd3 19. Qd2 Nxc1 20. Rxc1 Bxc3 21. Rxc3 Rfb8 22. Qc2 f6 23. Bc1 Qa4 {Svidler,P (2747)-Radjabov,T (2793) London 2013 CBM 154 [Javakhadze,Z/Alejandro Ramirez] 1-0 (55)}) 9... e6 10. Rc1 {White is slightly better.} exd5 {[#]} 11. Nxd5 $6 $146 {Inaccuracy. cxd5 was best.} (11. cxd5 a6 12. Ng3 b5 13. Be2 Re8 14. O-O Bb7 (14... Bd7 15. Re1 b4 16. Nb1 Bb5 17. Bg5 h6 18. Bf4 Qb6 19. Kh1 Rac8 20. Nd2 Nd7 21. Nc4 Bxc4 22. Bxc4 Nxc4 23. Rxc4 a5 24. Nf1 Ne5 25. Rc2 c4 26. bxc4 Nxc4 27. Qe2 Na3 28. Rxc8 Rxc8 29. Rc1 Rxc1 30. Bxc1 Qb5 31. Qxb5 Nxb5 32. Ne3 Nc3 33. a3 Ne2 34. axb4 axb4 35. Bd2 b3 36. Nc4 h5 37. Bb4 b2 38. Nd2 Bc3 {0-1 Toktomushev,T (2295)-Anton Guijarro,D (2669) Titled Tuesday intern op 21st May Early Chess.com INT blitz 2024 (3)}) 15. Bd2 Nd7 16. Bd3 c4 17. bxc4 Ne5 18. Be3 Naxc4 19. Bxc4 bxc4 20. Qa4 Bc8 21. Rb1 Bd7 22. Qa3 Nd3 23. Nge2 Bb5 24. Nc1 Qf6 25. Nxd3 Qxc3 {Rietze,C (2279)-Kanarek,M (2484) Germany 2021 0-1 (46)}) 11... Nxd5 12. Qxd5 (12. exd5 Re8 13. Qd2 a6 $15) 12... Be6 13. Qd2 Nc6 14. g3 Re8 15. Bg2 f5 $6 {Inaccuracy. a5 was best.} (15... a5 16. a4) 16. O-O Qb6 17. Nc3 (17. Qxd6 $2 Nd4 18. Qxb6 Nxe2+ 19. Kh1 axb6 $19) 17... Nd4 18. Rce1 $6 {Inaccuracy. exf5 was best.} (18. exf5 Nxf5) 18... a6 $6 {Inaccuracy. Qa5 was best.} (18... Qa5) 19. f4 $6 {Inaccuracy. exf5 was best.} (19. exf5) 19... fxe4 20. Bxe4 {Hoping for Nd5.} Bxc4 $4 {[%mdl 8192] Blunder. Qb4 was best. [#]} (20... Qb4 21. Nd5) 21. Bxd4 $4 {[%mdl 8192] Blunder. bxc4 was best.} (21. bxc4 Kh8 22. Bd5 Nf5 23. Bf2 Qb4 24. Ne4 Qxd2 25. Nxd2 Rxe1 26. Rxe1 Bc3) 21... Bxd4+ $19 (21... cxd4 22. Na4 Qb5 23. bxc4 Qxa4 24. Bxb7 Rxe1 25. Rxe1 $14) 22. Kg2 Bf7 $4 {Blunder. Bxf1+ was best.} (22... Bxf1+ 23. Kxf1 (23. Rxf1 Qb4 24. Rf3 Kh8 25. Bd5 Rad8 26. h4 b5 27. Qc2 Re1 28. f5) 23... Kh8) 23. Nd5 {The position is equal.} Qd8 {[%CAl Be8e4] [#] Threatens to win with ...Rxe4!} 24. Bf3 Rb8 25. Rxe8+ Bxe8 26. Re1 {[%CAl Bf4f5]} Bf7 27. Ne7+ Kg7 {With the idea ...Qd7.} 28. f5 Bf6 29. fxg6 hxg6 (29... Bxg6 30. Nxg6 hxg6 31. Re6 $16) 30. Nd5 Bxd5 31. Qxd5 Be5 32. Be4 {Weighted Error Value: White=0.36/Black=0.62 Precisão SF17: Brancas 72% Pretas 80%} 1/2-1/2 [Event "I IRT CXG 2025"] [Site "Rio de Janeiro"] [Date "2025.03.25"] [Round "2.2"] [White "Chaves, Jorge Antonio Torre"] [Black "Rabello, David Sousa"] [Result "1-0"] [ECO "A01"] [WhiteElo "1873"] [BlackElo "1894"] [Annotator "Chessbase - SF17"] [PlyCount "85"] [GameId "2160902826522346"] [EventDate "2025.??.??"] {[%evp 0,85,34,-6,30,3,-2,-33,-15,-15,-10,-37,-16,-12,-9,-21,-21,-24,-32,-63,-23,-23,-19,-34,-24,-47,-38,-79,-20,-39,-36,-36,-4,0,0,0,-1,-12,0,-26,3,-59,-54,-83,-80,-69,-70,-92,-74,-113,-82,-115,-115,-110,-14,-5,42,22,42,42,33,50,58,-29,-9,-10,16,14,49,87,121,145,151,125,108,125,185,165,185,173,171,124,132,150,155,181,1210,1382]} 1. b3 g6 2. Bb2 Nf6 3. c4 Bg7 4. Nf3 O-O 5. g3 d5 6. Bg2 Nc6 (6... dxc4 7. bxc4 c5 8. O-O Nc6 9. d3 Qc7 10. Nc3 e5 11. Rb1 Bg4 12. h3 Be6 13. Ng5 Bd7 14. Nd5 Nxd5 15. cxd5 Nd4 16. Bxd4 exd4 17. d6 Qxd6 18. Rxb7 Rab8 19. Rxa7 Bf5 20. Qc2 Rb4 21. a3 Rb5 22. Rxf7 Rxf7 23. Nxf7 Qd7 24. Nd6 {1-0 Le,Q (2731)-Bacrot,E (2677) Titled Tuesday intern op 02nd Jul Early Chess.com INT blitz 2024 (8)}) 7. cxd5 Nxd5 8. Bxg7 Kxg7 {[#] White has an edge.} 9. h4 $146 (9. Nc3 Nxc3 10. dxc3 f6 11. O-O e5 12. Qxd8 Rxd8 13. Rfd1 Be6 14. Ne1 Rxd1 15. Rxd1 Rd8 16. Rxd8 Nxd8 17. Nd3 b6 18. Nb4 c5 19. Nc6 Nxc6 20. Bxc6 Kf7 21. c4 Ke7 22. e4 Bg4 23. Kg2 Bd1 {Plucani,G (1415)-Salati,P (1776) Salsomaggiore Terme 2016 1-0 (49)}) (9. d4 Bg4 (9... Nb6 10. Nc3 Bg4 11. d5 Bxf3 12. Bxf3 Ne5 13. Bg2 Kg8 14. O-O c6 15. f4 Ng4 16. dxc6 Ne3 17. Qxd8 Raxd8 18. cxb7 Nxf1 19. Kxf1 e6 20. Rc1 Rb8 21. Rd1 Rfd8 22. Rc1 Nd5 23. Nxd5 exd5 {Mazhkenov,A (2118)-Ermekbaev,I (1621) Almaty KAZ 2024 1-0 (31)}) (9... Bf5 10. O-O Ndb4 11. Na3 a5 12. Qc1 Be4 13. Rd1 e6 14. Qb2 Qf6 15. Rd2 Rfd8 16. Rad1 a4 17. Nb5 axb3 18. axb3 Ra2 19. Qc3 Rxd2 20. Rxd2 Nd5 21. Qb2 Ra8 22. Kh1 Ra5 23. Nc3 Nxc3 24. Qxc3 Rd5 25. Qe3 Bxf3 26. Bxf3 Rxd4 27. Rc2 Rd6 28. Kg2 e5 29. Rc5 Re6 30. Bd5 Re7 31. Qc3 Nd4 32. Qe3 Qd6 33. b4 b6 {0-1 Grischuk,A (2767)-Morozevich,A (2665) Moscow Tal Memorial blitz 11th 2018 (11)}) 10. O-O Nf6 (10... Nb6 11. e3 e5 12. dxe5 Qxd1 13. Rxd1 Nxe5 14. Nbd2 Nxf3+ 15. Nxf3 Rad8 16. h3 Bxf3 17. Bxf3 c6 18. h4 Kf6 19. Kf1 Ke5 20. Ke2 f5 21. Rac1 Ke6 22. b4 a6 23. a3 Na4 {Romero Pallares,D (2275)-Kilic,E (2418) chess.com INT 2023 0-1 (60)}) 11. h3 Bxf3 12. Bxf3 Qxd4 13. Na3 Qb4 14. Nc2 Qb6 15. Qd2 Rad8 16. Qc3 Nd4 17. Nxd4 Rxd4 18. Bxb7 Rfd8 19. Bf3 e5 20. Rac1 e4 21. Bg2 R8d7 22. h4 Nd5 23. Qb2 Nf6 {Blanco Diez,D (2290)-Cuenca Jimenez,J (2479) chess.com INT 2025 1-0 (58)}) 9... Nf6 10. d3 e5 11. Nbd2 {Inhibits e4.} Re8 12. a3 Bg4 13. b4 a6 14. Rc1 Qd7 15. O-O Bh3 $6 {Inaccuracy. Rad8 was best.} (15... Rad8) 16. Bxh3 $6 {Inaccuracy. Rc4 was best.} (16. Rc4 Bxg2) 16... Qxh3 17. Ng5 Qg4 18. Rc4 (18. Qb3 Qd7) 18... Qf5 19. Kg2 Rad8 20. f3 $2 {Mistake. Qa1 was best.} (20. Qa1) 20... Qd7 21. Rh1 $6 {Inaccuracy. Nb3 was best.} (21. Nb3) 21... h6 22. Nge4 Nd5 {[#] aiming for ...Ne3+.} 23. Qg1 {Prevents Ne3+.} b6 24. Nf1 $6 {Inaccuracy. Nc3 was best.} (24. Nc3) 24... f5 {White must now prevent ...Nd4.} 25. Ned2 Nd4 {And now ...b5 would win.} 26. Qf2 Qa4 $2 {Mistake. f4 was best. [#] Strongly threatening ...b5.} (26... f4 27. Ne4 fxg3 28. Nexg3 Nf4+ 29. Kg1 b5 30. Rc1 Nh3+ 31. Rxh3 Qxh3 32. Rxc7+) 27. e4 fxe4 28. dxe4 Nf6 29. Rxc7+ Rd7 30. Rxd7+ Nxd7 $6 {Inaccuracy. Qxd7 was best.} (30... Qxd7 31. Ne3) 31. Nb1 $6 {[%CAl Bd2b1,Bb1c3,Bc3d5][%mdl 32] Inaccuracy. Nc4 was best.} (31. Nc4 Qb3) 31... Rc8 {[%mdl 1024] Black has compensation.} (31... Rf8 $5 {[%CAl Rf8f3]} 32. Nfd2 Qc2) 32. Ne3 Qb3 33. Qd2 Qe6 $2 {Mistake. b5 was best.} (33... Nf6 {and Black stays safe.} 34. Rc1 Rf8) (33... b5 34. f4 Nf6 35. fxe5 Ng4 36. Re1 Rc2 37. Nxc2 Qf3+ 38. Kh3 Nf2+ 39. Kh2) 34. Nc3 $18 Nb8 $6 {Inaccuracy. Nf6 was best.} (34... Nf6 35. Ncd5 Qc6 36. Rd1 Nxd5 37. exd5 Qf6 38. Rf1 h5 39. Qd3 Rc7 40. f4) 35. Ncd5 (35. Ng4 h5 36. Ne3 (36. Qh6+ Kg8 $15) 36... Nd7 $16) 35... b5 36. h5 {hxg6 is the strong threat.} (36. Ng4 $2 Rc2 37. Qxc2 Nxc2 $19) 36... g5 37. g4 Qf7 38. Nf5+ Kh7 39. Nxd4 exd4 40. Rc1 (40. Qxd4 Rc2+ 41. Kg3 Nc6 $18) 40... Nc6 {[%CAl Bc6e5]} 41. f4 {Prevents Ne5.} gxf4 $6 {Inaccuracy. Qe6 was best.} (41... Qe6 42. Kh3 Rg8 43. f5 Qd6 44. Qc2 Rc8 45. Qf2 Qe5 46. Qg3 Qxg3+ 47. Kxg3) 42. Qxf4 Qg7 $4 {Blunder. Kg7 was best.} (42... Kg7 43. Qf5 (43. Qd6 Rf8 $16) 43... Qxf5 44. gxf5 d3) 43. Qf5+ {Weighted Error Value: White=0.22 (precise) /Black=0.38 Precisão SF17: Brancas 93% Pretas 87%} 1-0 [Event "I IRT CXG 2025"] [Site "Rio de Janeiro"] [Date "2025.03.25"] [Round "2.3"] [White "Mendes, Jorge Alberto Dacal"] [Black "Nogueira, Adnilton Correia de"] [Result "0-1"] [ECO "C41"] [WhiteElo "1870"] [BlackElo "1745"] [Annotator "Chessbase - SF17"] [PlyCount "54"] [GameId "2160902826526443"] [EventDate "2025.??.??"] {[%evp 0,54,34,19,26,25,90,74,77,42,55,-3,26,-3,8,23,25,29,51,48,126,34,35,22,50,33,30,9,-1,-18,0,-9,-5,-17,18,0,-35,-51,55,53,1,-52,164,48,25,32,-46,-59,448,224,224,-310,-331,-326,-263,-342,-490]} 1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. d5 (4. dxe5 Nc6 5. exd6 Bxd6 6. h3 Bh5 7. Nc3 Qe7 8. Bb5 Nf6 9. Bg5 h6 10. Bxf6 Qxf6 11. Qd5 Bxf3 12. Bxc6+ Ke7 13. Bxb7 Bxg2 14. e5 Bxe5 15. Qc5+ Bd6 16. Bxg2 Bxc5 17. Nd5+ Kd6 18. Nxf6 Rae8+ 19. Nxe8+ Rxe8+ 20. Kf1 {1-0 Nakamura,H (2802)-Arslanov,S (2410) Titled Tuesday intern op 09th Jul Early Chess.com INT blitz 2024 (9)}) 4... Be7 {[#]} (4... f5 5. h3 Bxf3 6. gxf3 Qh4 7. Bd3 fxe4 8. fxe4 Nf6 9. Qe2 g6 10. Nc3 Bh6 11. Be3 O-O 12. O-O-O Bxe3+ 13. fxe3 Nbd7 14. Rdg1 Nc5 15. Qg2 Rf7 16. b4 Nxd3+ 17. cxd3 a5 18. bxa5 Rxa5 19. Rf1 {Hernandez Gonzalez,W (2487)-Arslanov,S (2410) chess.com INT 2023 0-1 (55)}) 5. Qd3 $146 (5. Nbd2 Nd7 6. h3 Bh5 7. Bb5 a6 8. Ba4 b5 9. Bb3 Nc5 10. O-O Nf6 11. Re1 O-O 12. Qe2 Nfd7 13. g4 Bg6 14. c3 h5 15. Bc2 hxg4 16. hxg4 Nf6 17. Nh2 Qd7 18. Qf3 Nh7 19. Qg3 c6 {Elihimas,F (1835)-De Macedo,L (1691) Recife 2013 1-0 (42)}) (5. h3 Bd7 6. Bd3 Na6 7. Bxa6 bxa6 8. c4 h6 9. O-O Nf6 10. Nc3 O-O 11. Nh2 Nh7 12. Be3 Bg5 13. Qe2 Qf6 14. b4 c6 15. c5 Bxe3 16. Qxe3 dxc5 17. bxc5 Qf4 18. Qd3 a5 19. dxc6 Bxc6 {Muratov,L (2152)-Khanolkar,D St Gallen 2008 1-0 (47)}) (5. Be2 Nf6 (5... Nd7 6. Nc3 a6 7. h3 Bh5 8. g4 Bg6 9. Bd3 h6 10. Be3 b5 11. Ne2 Bg5 12. h4 Bxe3 13. fxe3 Nc5 14. b4 Nxd3+ 15. Qxd3 Nf6 16. Nh2 Bxe4 17. Qd2 Bxh1 18. Kf2 Ne4+ 19. Kg1 Nxd2 20. Rd1 Nf3+ 21. Kxh1 Qxh4 22. Nc3 Qxh2# {0-1 Luettge,S-Helbig,H Rangliste 1000-1300 23617 freechess.de 2022}) 6. Nc3 O-O 7. O-O Nbd7 8. h3 Bh5 9. Bg5 Nc5 10. Bxf6 Bxf6 11. Nd2 Bg6 12. Bh5 Bxh5 13. Qxh5 g6 14. Qe2 Bg7 15. Nb3 Nd7 16. Qd3 f5 17. exf5 Rxf5 18. Ne4 Qe7 19. Ng3 Rf4 {Balcerak,P-Weissgerber,F Polch 1993 0-1}) 5... Nf6 6. Be2 O-O 7. Nc3 Nbd7 8. Be3 {The position is equal.} Nc5 $6 {Inaccuracy. c6 was best.} (8... c6 9. h3) 9. Bxc5 dxc5 $6 {Inaccuracy. Bxf3 was best.} (9... Bxf3) 10. h3 $6 {Inaccuracy. Nxe5 was best.} (10. Nxe5 Bxe2) 10... Bxf3 11. Bxf3 Bd6 12. O-O-O $6 {Inaccuracy. Nd1 was best.} (12. Nd1) 12... a6 13. g4 $6 {Inaccuracy. Nb1 was best.} (13. Nb1 Ne8) 13... b5 14. g5 Nd7 15. Rdg1 c4 16. Qd2 Nc5 17. a3 $6 {Inaccuracy. h4 was best.} (17. h4 b4 18. Nd1 c3 19. bxc3 Rb8 20. Ne3 bxc3 21. Qxc3 Qd7 22. Kd1 Qa4) 17... Rb8 {...b4 is the strong threat.} 18. Nd1 $6 {[%CAl Bc3d1,Bd1e3,Be3g4,Bg4f6][%mdl 32] Inaccuracy. Na2 was best.} (18. Na2 Qe8 19. Nb4 a5 20. Nc6 b4 21. Qe2 bxa3 22. bxa3 Rb6 23. h4 f5) 18... Qe7 $6 {Inaccuracy. b4 was best.} (18... b4 19. axb4 Rxb4 20. h4 Qe8 21. Qxb4 Nd3+ 22. cxd3 Bxb4 23. dxc4 Qa4 24. Be2) 19. Ne3 g6 $6 {[%CAl Bb5b4] Inaccuracy. b4 was best.} (19... b4 20. Nxc4 bxa3 21. bxa3 Na4 22. Kd1 f5 23. Nxd6 Qxd6 24. exf5 e4 25. Bg4) 20. Ng4 b4 {Hoping for ...bxa3.} 21. Nf6+ (21. axb4 {[%tqu "En","","","","b8b4","",10]} Rxb4 $1 22. Nf6+ Kh8 $17) 21... Kh8 {[#] Threatens to win with ...bxa3.} 22. axb4 {[%tqu "En","","","","b8b4","",10]} Rxb4 {[%mdl 512] And now ...Rfb8 would win.} 23. Rg4 $2 {Mistake. h4 was best. Black must now prevent Rh4.} (23. Qxb4 {[%tqu "En","","","","c5d3","",10]} Nd3+ $1 {[%mdl 512]} 24. cxd3 Bxb4 25. dxc4 Qc5 $19) (23. h4 Rfb8) 23... h6 $4 {[%mdl 8192] Blunder. Nd7 was best.} (23... Nd7) 24. Rh4 $18 (24. Qxb4 $2 {[%tqu "En","","","","c5d3","",10]} Nd3+ $1 25. cxd3 Bxb4 $19) 24... Kg7 25. gxh6+ $4 {[%mdl 8192] Blunder. Rxh6 was best. [#]} (25. Qxb4 $2 {is the wrong capture.} {[%tqu "En","","","","c5d3","",10]} Nd3+ $1 {[%mdl 512]} 26. cxd3 Bxb4 27. Rxh6 Rh8 28. Rxh8 Kxh8 29. dxc4 Qc5 $19) (25. Rxh6 Rh8 26. h4 (26. Rxh8 Kxh8 27. h4 Nd7 28. h5 Nxf6 29. hxg6+ Kg8 30. c3 Rb8) 26... Rxh6 27. gxh6+ Kh8 28. Qg5) 25... Kh8 $19 {Black is clearly winning.} 26. Qg5 Rfb8 27. Bd1 $6 {Inaccuracy. Rg4 was best.} (27. Rg4 Rxb2 28. Kd1) 27... Nd7 {Weighted Error Value: White=0.87/Black=0.61 Precisão SF17: Brancas 67% Pretas 76%} 0-1 [Event "I IRT CXG 2025"] [Site "Rio de Janeiro"] [Date "2025.03.25"] [Round "2.4"] [White "Rovedo, Salomão"] [Black "Ramos, Angelo Bil"] [Result "0-1"] [ECO "A48"] [WhiteElo "1727"] [BlackElo "1995"] [Annotator "Chessbase - SF17"] [PlyCount "110"] [GameId "2160902826587884"] [EventDate "2025.??.??"] {[%evp 0,110,25,20,39,10,58,30,9,4,4,10,18,-8,17,1,-3,-39,-19,-101,4,-125,-51,-46,-42,-52,-50,-66,-36,-59,-45,-51,-17,-41,10,-59,-61,-88,-53,-57,-50,-62,-49,-55,-61,-52,-57,-74,-116,-95,-72,-59,-61,-57,-66,-65,-65,-74,-61,-96,-91,-78,-71,-93,-92,-110,-99,-119,-127,-188,-191,-193,-186,-237,-255,-255,-258,-257,-255,-255,-261,-262,-262,-256,-252,-234,-264,-327,-318,-329,-217,-219,-218,-235,-228,-249,-265,-262,-288,-290,-310,-335,-345,-354,-359,-401,-354,-514,-538,-566,-575,-708,-1026]} 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 O-O 5. O-O d6 6. c3 Nbd7 7. b3 (7. Re1 e5 8. e4 (8. dxe5 dxe5 9. e4 Nc5 10. Qc2 Qxd3 11. Qxd3 Nxd3 12. Rd1 Nxc1 13. Rxc1 Nxe4 14. Re1 f5 15. Na3 Be6 16. Rad1 Rad8 17. Nb5 c6 18. Na3 Bxa2 19. Nc2 Rxd1 20. Rxd1 Bb3 21. Rc1 Bxc2 {Spinler,D (1634)-Solcan,M (2069) Slovakia 2022 0-1}) 8... c6 9. dxe5 dxe5 10. Nbd2 Nc5 11. Bc2 Re8 12. Qe2 Nh5 13. Qc4 b6 14. a3 Nf4 15. Qf1 Ba6 16. c4 Ncd3 17. Rd1 Nxc1 18. Raxc1 Qf6 19. g3 Ne6 20. Bd3 Bh6 21. Rc3 Rad8 {Matteini,P-De la Riva Aguado,O (2482) Andorra 2017 0-1 (43)}) (7. Nbd2 e5 8. dxe5 dxe5 9. Bc2 Re8 10. e4 a5 11. a4 Nc5 12. Qe2 b6 13. Nc4 Ba6 14. b4 axb4 15. cxb4 Ne6 16. Be3 Nh5 17. b5 Bb7 18. Nfxe5 Nd4 19. Bxd4 Qxd4 20. Rad1 Qc5 21. Nd7 Qg5 22. Qf3 Nf4 23. Ne3 Ne6 24. Qe2 Rad8 25. Qc4 h5 26. e5 Nf4 27. Be4 Bc8 28. Nf6+ Bxf6 29. exf6 Qxf6 30. Bc6 Rf8 31. Kh1 Be6 32. Qc2 h4 33. h3 Qg5 34. Ng4 Bxg4 35. hxg4 Qxg4 36. Bf3 Qg5 {0-1 Uber Gracia,H (2312)-Kislinsky,A (2355) Titled Tuesday intern op 13th Aug Early Chess.com INT blitz 2024 (1)}) 7... e5 8. dxe5 {The position is equal.} dxe5 {[#] And now ...e4 would win.} 9. e4 $146 (9. Bc2 a5 10. Bb2 c6 11. Nbd2 Qc7 12. c4 Re8 13. e4 Nc5 14. Ba3 Nfd7 15. Re1 Ne6 16. Nf1 Nd4 17. Nxd4 exd4 18. Bd3 Ne5 19. Ng3 c5 20. Bc1 Be6 21. Bf4 f6 22. Bxe5 fxe5 23. f3 Rf8 24. Qd2 Qe7 25. a3 b6 26. Reb1 Ra7 27. b4 axb4 28. axb4 Rfa8 29. Rxa7 Qxa7 30. bxc5 bxc5 31. Qb2 Bf8 32. h4 Bh6 33. Qb5 Be3+ 34. Kf1 Qa3 35. Ke2 Qc3 36. Rb2 Qa3 37. Qb6 Bf7 38. h5 Qa5 {½-½ Gehl,H (1723)-Daum,H (1814) Schleswig Holstein-ch A 62nd Itzehoe 2007 (8)}) 9... Re8 $6 {Inaccuracy. Nc5 was best. aiming for ...Nc5.} (9... Nc5 10. Ba3) 10. Bg5 $2 {Mistake. Be3 was best.} (10. Be3) 10... h6 $6 {Inaccuracy. Nc5 was best.} (10... Nc5 11. Bxf6 Qxf6 12. Qc2 Bg4 13. Be2 Bh6 14. b4 Ne6 15. h3 Bxf3 16. Bxf3) 11. Bxf6 Qxf6 12. Nbd2 Nc5 13. Bc2 Be6 $6 {Inaccuracy. h5 was best.} (13... h5 14. Qe2 a5 15. Qe3 Ne6 16. h4 Bf8 17. g3 Bc5 18. Qe2 b5 19. a3) 14. h3 Rad8 15. Qe2 Qe7 16. Rad1 a6 17. Nb1 $6 {Inaccuracy. Nc4 was best.} (17. Nc4 Nd7) 17... Bd7 18. Rfe1 Bc6 19. Rxd8 Rxd8 20. c4 Be8 21. Nc3 c6 {Against Nd5} 22. Rd1 Ne6 23. g3 Nd4 24. Nxd4 Rxd4 $6 {Inaccuracy. exd4 was best.} (24... exd4) 25. Qe3 $6 {Inaccuracy. Rxd4 was best.} (25. Rxd4) 25... Qa3 26. Qc1 Qxc1 27. Rxc1 Bd7 28. Kg2 Rd2 (28... Bf8 $5 {[%CAl Rf8b4]}) 29. Bd1 $6 {Inaccuracy. Nb1 was best.} (29. Nb1) 29... Bf8 30. Rc2 Rd4 31. Bf3 Bb4 32. Na4 Be6 33. g4 Kg7 34. Be2 $6 {Inaccuracy. c5 was best.} (34. c5 Kf6) 34... Rxe4 35. c5 Rd4 36. Kf3 $6 {Inaccuracy. Nb6 was best.} (36. Nb6 f5 37. f3 Kf6 38. Nc4 Bd5 39. Ne3 h5 40. Nxd5+ Rxd5 41. gxh5 gxh5) 36... Bd5+ 37. Kg3 Be4 38. Rc4 Rxc4 39. Bxc4 $19 {[%mdl 4096] Endgame KBB-KBN} Bb1 40. Kf3 Bxa2 {Black is clearly winning.} 41. Ke4 Kf6 42. f3 Bb1+ 43. Bd3 Bxd3+ 44. Kxd3 {KB-KN} Ke6 45. Kc4 a5 46. Nb2 f5 {[%CAl Bf7f5,Bf5e4][%mdl 32]} 47. Nd3 Bd2 48. Nf2 Be3 49. Nd3 e4 50. fxe4 fxe4 51. Ne1 Ke5 52. Ng2 Bg5 53. h4 $6 {Inaccuracy. Kc3 was best.} (53. Kc3 Kd5 54. h4 Bf6+ 55. Kc2 Kxc5 56. Nf4 g5 57. hxg5 hxg5 58. Ne2 b5) 53... Bd2 54. b4 axb4 {Hoping for ...g5.} 55. h5 $6 {Inaccuracy. g5 was best.} (55. g5 hxg5 56. hxg5 Bxg5 57. Kxb4 e3 58. Kc3 Ke4 59. Kb4 Bd8 60. Ne1 e2) 55... g5 {Weighted Error Value: White=0.33/Black=0.13 (very precise) Precisão SF17: Brancas 91% Pretas 96%} 0-1 [Event "I IRT CXG 2025"] [Site "Rio de Janeiro"] [Date "2025.03.25"] [Round "2.5"] [White "Santos Filho, Tadeu Souza"] [Black "Manzi, Luiz Antonio Bardar"] [Result "0-1"] [ECO "B50"] [WhiteElo "2017"] [BlackElo "1996"] [Annotator "Chessbase - SF17"] [PlyCount "71"] [GameId "2160902826591981"] [EventDate "2025.??.??"] {[%evp 0,71,25,24,100,66,111,107,65,49,78,73,65,-7,-4,-2,-2,-2,-12,-12,1,-17,-7,-14,-10,-27,-34,-34,-38,-36,-42,-78,-47,-91,-91,-101,-94,-102,-78,-94,-97,-97,-93,-92,-109,-138,-112,-112,-92,-167,-117,-114,-79,-76,-87,-92,-89,-141,-139,-175,-183,-203,-177,-220,-194,-198,-194,-301,-309,-538,-523,-620,-655,-652]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. Be3 (5. Nc3 e6 6. Be3 b5 7. Qd2 Bb7 8. f3 h5 9. a4 bxa4 10. Nxa4 Nd7 11. c4 Ngf6 12. Be2 Be7 13. O-O O-O 14. b4 h4 15. Rac1 Rc8 16. Nb3 h3 17. g3 Bc6 18. Nc3 Ba8 19. Na4 Rb8 20. c5 d5 21. c6 Rxb4 22. Qa2 dxe4 23. cxd7 exf3 24. Bxf3 Bxf3 25. Rxf3 Qxd7 26. Nac5 Qd5 27. Rf2 Ng4 28. Qd2 Rxb3 29. Qxd5 exd5 30. Nxb3 Nxe3 31. Re2 Bg5 32. Rc5 Rb8 33. Nd2 Ng4 34. Nf1 Rb1 {0-1 Dominguez Perez,L (2748)-Martinez Alcantara,J (2612) Titled Tuesday intern op 16th Jul Late Chess.com INT blitz 2024 (9)}) 5... Nf6 (5... e6 6. a3 Nf6 7. Nc3 b5 8. g4 Bb7 9. Bg2 Nfd7 10. g5 Nb6 11. Qe2 N8d7 12. O-O-O Rc8 13. Kb1 Rxc3 14. bxc3 Qc7 15. Rd3 Ne5 16. Rc1 Na4 17. Qd2 Nc4 18. Qe1 Qc5 19. Rcd1 Nxa3+ 20. Ka2 {Sathvik Adiga (2408)-Martinez Alcantara,J (2607) chess.com INT 2024 0-1 (39)}) 6. f3 e5 7. Nb3 d5 8. Bg5 $146 {The position is equal.} (8. exd5 Nxd5 9. Qd3 Nxe3 10. Qxe3 Qc7 11. N1d2 Be7 12. Bd3 O-O 13. Nc4 Nc6 14. Nb6 Rb8 15. Nd5 Qd8 16. O-O-O Bg5 17. f4 exf4 18. Nxf4 Qc7 19. g3 Nb4 20. Kb1 Nxd3 21. Rxd3 Bf5 22. Rc3 Qd7 {Le Coz,Y (1620)-Roche,Y (2059) Fouesnant 2004 0-1 (41)}) 8... Be6 9. exd5 Qxd5 {[#]} 10. Nc3 $146 (10. Qxd5 Nxd5 11. c3 Nc6 12. Kf2 h6 13. Bd2 a5 14. Bb5 a4 15. Nc1 Bc5+ 16. Ke2 O-O 17. Nd3 Bd6 18. Bxc6 bxc6 19. Na3 Rfe8 20. Rhe1 Rad8 21. Rad1 e4 22. Nf2 e3 {0-1 Riehle,M (1950)-Foisor,C (2398) Deizisau op 9th 2014 (3)}) 10... Bb4 11. Bd2 Qc6 12. a3 Be7 13. Bd3 Nbd7 {[%CAl Bb8d7,Bd7c5,Bc5e6][%mdl 32]} 14. Qe2 O-O 15. Na5 $6 {Inaccuracy. O-O-O was best.} (15. O-O-O) 15... Qc7 16. Nc4 b5 17. Ne3 Nc5 18. Bf5 Rfe8 {[%CAl Bf8e8,Be8e7,Be7d7][%mdl 32]} 19. b4 $6 {Inaccuracy. O-O-O was best.} (19. O-O-O) 19... Bxf5 20. Nxf5 Ne6 {aiming for ...Nd4.} 21. Nxe7+ Rxe7 22. Ne4 $6 {Inaccuracy. O-O was best.} (22. O-O) 22... Nxe4 (22... Qxc2 23. Rc1 Qb2 24. Nxf6+ gxf6 25. Bh6 Qxe2+ 26. Kxe2 $17) 23. Qxe4 Rc8 $6 {Inaccuracy. Rd8 was best.} (23... Rd8 24. Be3 f5 25. Qxf5 Nd4 26. Bxd4 exd4+ 27. Kf2 d3 28. Rhe1 Qxc2+ 29. Kg3) 24. Rc1 $2 {Mistake. O-O was best.} (24. O-O Rd7) 24... Rd7 {[%CAl Bd7d2] [#] Hoping for ...Rxd2!} 25. c3 Rcd8 (25... Rxd2 26. Kxd2 f5 27. Qb1 (27. Qd5 $2 Rd8 $19)) 26. Be3 Rd3 $36 {[%mdl 2048] ...f5 is the strong threat. Black has strong initiative.} 27. O-O {[%CAl Be3d4]} Rxc3 28. Rxc3 $6 {Inaccuracy. h3 was best.} (28. h3 h6 29. Rxc3 Qxc3 30. Rc1 Qxa3 31. Kh2 Nd4 32. Qxe5 Qxb4 33. Rc5 Qb2) 28... Qxc3 29. Rc1 Qxa3 30. Qxe5 $6 {Inaccuracy. h3 was best.} (30. h3 Nd4) 30... Qxb4 31. Ra1 h6 32. Bb6 Rd2 33. Be3 Re2 {And now ...Qb3 would win. Black is clearly winning.} 34. Qb8+ $6 {Inaccuracy. Rc1 was best.} (34. Rc1 Re1+ 35. Kf2 Rxc1 36. Bxc1 Qh4+ 37. Kg1 Qd8 38. Kf2 Qd3 39. Qe2 Qd6) 34... Kh7 $19 35. Bf2 $6 {Inaccuracy. Qe5 was best. Prevents Re1+.} (35. Qe5 Qb3) {[%tqu "En","","","","e2f2","",10]} 35... Rxf2 $1 36. Kxf2 {Weighted Error Value: White=0.43/Black=0.10 (very precise) Precisão SF17: Brancas 89% Pretas 95%} 0-1