[Event "I IRT CXG 2025"] [Site "Rio de Janeiro"] [Date "2025.04.26"] [Round "9.1"] [White "Rabello, David Sousa"] [Black "Macario, Jorge Luiz das Chag"] [Result "1/2-1/2"] [ECO "B11"] [WhiteElo "1894"] [BlackElo "1787"] [Annotator "Chessbase - SF 17.1"] [PlyCount "128"] [EventDate "2025.??.??"] 1. e4 {[%eval 18,0]} c6 {[%eval 23,0]} 2. Nf3 {[%eval 17,0]} d5 {[%eval 24,0]} 3. Nc3 {[%eval 2,0]} Bg4 {[%eval 27,0]} 4. h3 {[%eval 17,0]} Bxf3 {[%eval 28,0]} 5. Qxf3 {[%eval 16,0]} e6 {[%eval 24,0]} 6. exd5 {[%eval 0,0]} cxd5 {[%eval 0,0]} 7. Bb5+ {[%eval 14,0]} Nc6 {[%eval 4,0]} 8. O-O {[%eval 3,0]} Nf6 {[%eval 8,0]} 9. Re1 {[%eval 23,0]} (9. d3 Rc8 10. Bg5 Be7 11. Ne2 O-O 12. Bxc6 Rxc6 13. c3 Nd7 14. Bxe7 Qxe7 15. Rfe1 Qd6 16. Nf4 b5 17. a3 {Inhibits b4.} a5 18. d4 b4 19. axb4 axb4 20. Re3 Nf6 21. Re5 bxc3 22. bxc3 Ne4 23. Ne2 Qc7 {Grbac,B (2305)-Dizdarevic,E (2495) Pula 1996 0-1 (66)}) 9... Be7 {[%eval 17,0]} 10. d3 {[%eval 24,0]} O-O {[%eval 2,0]} 11. Bf4 $146 {[%eval 67,0]} (11. Be3 $2 {[%eval -388,20] [%wdl 0,0,1000][%mdl 8192] 11.?xc6 -0.19} Qc7 $2 {[%eval -14,27] [%wdl 7,970,23]} (11... d4 $19 {[%eval -388,20] [%wdl 0,0,1000]} 12. Bxc6 bxc6) 12. Ba4 $2 {[%eval -183,23] [%wdl 0,26,974]} (12. d4 {[%eval -14,27] [%wdl 7,970,23]}) 12... a6 $2 {[%eval -22,26] [%wdl 5,962,33]} (12... d4 $19 {[%eval -183,23] [%wdl 0,26,974]} 13. Bf4 e5 14. Bxc6 dxc3 15. Bxb7 cxb2) 13. a3 $2 {[%eval -192,22] [%wdl 0,18,982]} (13. Bxc6 {[%eval -22,26] [%wdl 5,962,33] and White has nothing to worry.} bxc6 14. Bg5) 13... b5 14. Bb3 Rab8 15. Bf4 Bd6 16. Bg5 Be7 17. Bf4 Bd6 18. Bg5 Nd7 19. Ne2 h6 20. Bf4 Bxf4 21. Nxf4 Nd4 22. Qg3 Nxb3 23. cxb3 Nf6 24. Rac1 {Inhibits Qc2.} Qe7 25. Rc6 Ra8 {Gulamirian,K (1890)-Lopez Abreu,M (2038) chess.com INT 2024 0-1 (48)}) (11. Bxc6 bxc6 12. Bf4 Qa5 (12... Qb6 13. Rab1 Bb4 14. a3 Bxc3 15. bxc3 Qa5 16. Rb3 Nd7 {[%CAl Be6e5]} 17. Be5 $4 {[%eval -206,26] [%wdl 0,3,997][%mdl 8192]} (17. Qg3 $18 {[%eval 217,25] [%wdl 998,2,0] and all is fine.}) 17... Nxe5 $19 18. Rxe5 Rab8 {...Rxb3 is the strong threat.} 19. Rb4 Rxb4 20. cxb4 Qxa3 {Threatens to win with ...Qa1+.} 21. Qf4 a5 22. bxa5 Qxa5 23. c4 Qc7 {Hoping for ...f6.} 24. cxd5 f6 $2 {[%eval -14,26] [%wdl 1,992,7]} (24... cxd5 $19 {[%eval -173,26] [%wdl 0,14,986]} 25. Re4 Qc2) 25. Re4 (25. d6 $5 Qxd6 26. Re4 $17) 25... Qxf4 {Markiewicz,M (1800)-Czechowski,P (1800) Ciechocinek 2002 0-1 (48)}) 13. Ne2 Qb4 14. Rab1 Bd6 15. a3 Qb8 $1 16. Bg5 Be5 17. b4 Nd7 18. Kh1 Qc7 19. c4 a5 20. d4 Bf6 21. Bf4 Qa7 22. Bd6 (22. b5 $5 {[%CAl Rb5c6]}) 22... Rfe8 23. c5 axb4 24. axb4 Qb7 25. Qb3 e5 {Terzidaki,A (1795)-Barogianni,S (1405) Athens 2008 1-0 (37)}) 11... Rc8 {[%eval 4,0]} (11... Nd4 $5 {[%CAl Rd4f3]} 12. Qd1 Bd6 $15) 12. Ba4 {[%eval 6,0]} a6 {[%eval 25,0]} 13. Rad1 $4 {[%eval -279,19] [%wdl 0,0,1000][%mdl 8192] Blunder. Ne2 was best.} (13. Ne2 b5 14. Bb3 Bd6 15. c3 Bxf4 16. Qxf4 Qb6 17. Rec1 Rfe8 18. Qe3 Qxe3) 13... b5 $19 {[%eval -129,0]} 14. Bb3 {[%eval -131,0]} Re8 $4 {[%eval -42,24] [%wdl 2,923,75] Blunder. Nd4 was best.} (14... Nd4 15. Qg3 Nh5 16. Qg4 Nxf4 17. Qxf4 Bf6 18. Rb1 Rc6 19. a4 Qb8 20. Qxb8) 15. d4 {[%eval 37,0]} Na5 {[%eval 5,0]} 16. Qd3 {[%eval 61,0]} Nc4 {[%eval 57,0]} 17. Bxc4 {[%eval 43,0]} Rxc4 {[%eval 55,0]} 18. Ne2 {[%eval 56,0]} Ne4 {[%eval 25,0]} 19. f3 {[%eval 71,0]} Nf6 {[%eval 33,0]} 20. c3 {[%eval 48,0]} Qb6 {[%eval 47,0]} 21. Be5 {[%eval 53,0]} Nd7 {[%eval 52,0]} 22. Bg3 {[%eval 55,0]} Bd6 {[%eval 31,0]} 23. Nf4 $6 {[%eval -216,21] [%wdl 0,3,997] Inaccuracy. Bxd6 was best.} (23. Bxd6 Qxd6 24. Qd2) 23... Nf6 {[%eval 85,0] White must now prevent ...Qc7.} 24. Kf1 $2 {[%eval -260,23] [%wdl 0,0,1000] Mistake. Ne2 was best.} (24. Ne2 Bxg3) 24... Qc7 {[%eval -169,0]} 25. Qd2 {[%eval -153,0]} h6 {[%eval -155,0]} 26. Kf2 {[%eval -151,0]} b4 {[%eval -173,0][%CAl Rb4c3]} 27. Rc1 {[%eval -133,0]} Rc8 {[%eval -132,0][%CAl Rb4c3]} 28. Ne2 {[%eval -133,0]} Bxg3+ {[%eval -144,0]} 29. Nxg3 {[%eval -194,0]} bxc3 {[%eval -195,0]} 30. bxc3 {[%eval -195,0]} Rxc3 {[%eval -154,0]} 31. Ne2 {[%eval -129,0]} Rc6 $6 {[%eval -94,0] Inaccuracy. Rc4 was best.} (31... Rc4 32. h4 Ne8 33. Rxc4 dxc4 34. Qf4 Qd7 35. g4 c3 36. g5 h5 37. Rc1) 32. a4 $6 {[%eval -115,0] Inaccuracy. Rxc6 was best.} (32. Rxc6 Qxc6 33. Rc1 Qb7 34. Rxc8+ Qxc8 35. Qb4 Qc7 36. Qa3 a5 37. h4 Qd8) 32... Qa7 $6 {[%eval -3,0] Inaccuracy. Rc4 was best.} (32... Rc4 33. Rxc4 dxc4 34. Nc3 Qa5 35. Rd1 Rd8 36. Kg1 Nd5 37. Nxd5 Qxd5 38. Qb4) 33. Kf1 $6 {[%eval -117,0] Inaccuracy. Rxc6 was best.} (33. Rxc6 Rxc6 34. Rb1 Nd7 35. Qa5 Nb6 36. h4 g6 37. h5 g5 38. g3 Kh7) 33... Rc4 {[%eval -119,0]} 34. Rxc4 {[%eval -102,0]} Rxc4 $6 {[%eval -177,0] Inaccuracy. dxc4 was best.} (34... dxc4 35. Nc3 Rd8 36. Rd1 Qc7 37. Re1 Nd5 38. Nxd5 Rxd5 39. Qc3 Ra5 40. Re4) 35. Rc1 {[%eval -184,0]} Qc7 {[%eval -184,0]} 36. Rxc4 $6 {[%eval -417,21] [%wdl 0,0,1000] Inaccuracy. a5 was best.} (36. h4 {[%eval -260,27] [%wdl 0,0,1000]}) (36. a5 Ne8 37. Rxc4 dxc4 38. Qb4 Nf6 39. Nc3 Nd5 40. Nxd5 exd5 41. Ke2 Qc8) 36... dxc4 {[%eval -112,0][%mdl 4096] Endgame KQN-KQN} (36... Qxc4 37. a5 $17) 37. Qb4 {[%eval -248,0]} Nd5 {[%eval -213,0]} 38. Qc5 {[%eval -221,0]} Qxc5 {[%eval -225,0]} 39. dxc5 {[%eval -245,0] KN-KN} Kf8 {[%eval -295,0]} 40. Nd4 {[%eval -293,0]} Ke8 {[%eval -294,0]} 41. g3 {[%eval -229,0]} Kd7 {[%eval -244,0]} 42. f4 {[%eval -239,0]} g6 {[%eval -228,0]} 43. Ke1 {[%eval -292,0]} f6 $6 {[%eval -112,0] Inaccuracy. Nc3 was best.} (43... Nc3 44. c6+ Kd6 45. Nf3 f6 46. Nd2 Kxc6 47. Nxc4 Nxa4 48. Ne3 f5 49. Ng2) 44. Kd2 {[%eval -116,0]} e5 {[%eval -125,0]} 45. fxe5 {[%eval -117,0]} fxe5 {[%eval -194,0]} 46. Nf3 {[%eval -137,0]} e4 $4 {[%eval -5,29] [%wdl 2,994,4] Blunder. Ke6 was best.} (46... Ke6 47. Kc2 h5) 47. Ne5+ {[%eval 78,0]} Kc7 {[%eval 32,0]} 48. Nxc4 $6 {[%eval -83,0] Inaccuracy. h4 was best.} (48. h4) 48... Kc6 {[%eval -56,0]} 49. Ne5+ {[%eval -82,0]} Kxc5 {[%eval -77,0] [#] Strongly threatening ...Kb4.} 50. Nxg6 {[%eval 9,0]} Kd4 $6 {[%eval 11,0] Inaccuracy. Kb4 was best.} (50... Kb4) 51. a5 {[%eval 16,0]} e3+ {[%eval 26,0]} 52. Ke2 {[%eval 22,0]} Ke4 {[%eval 3,0]} 53. g4 {[%eval 5,0]} Nc3+ {[%eval 1,0]} 54. Ke1 {[%eval 11,0]} Nd5 {[%eval 19,0]} 55. h4 {[%eval 7,0]} Nb4 {[%eval 2,0]} 56. h5 {[%eval 6,0]} Kf3 {[%eval 12,0] ( ? ...Nd3+)} 57. Ne5+ {[%eval 18,0]} Kf4 {[%eval 32,0]} 58. Nf7 $4 {[%eval -591,26] [%wdl 0,0,1000][%mdl 8192] Blunder. Nc4 was best.} (58. Nc4) 58... Kxg4 $4 {[%eval -62,29] [%wdl 0,906,94] Blunder. Nd3+ was best.} (58... Nd3+ 59. Ke2 Nc1+ 60. Ke1 (60. Kd1 $2 e2+ 61. Ke1 Kxg4 $19) (60. Kf1 Kxg4 61. Ne5+ Kxh5 62. Kg2 e2 63. Kf2 Kh4 64. Nf3+) 60... Kxg4 61. Ne5+ Kxh5) 59. Nxh6+ $4 {[%eval -32735,55] [%wdl 0,0,1000][%mdl 8192] Blunder. Ke2 was best. [#]} (59. Ke2) 59... Kxh5 $4 {[%eval 0,73] [%wdl 3,994,3] Blunder. Kf3 was best.} (59... Kf3 60. Kd1 (60. Ng8 Nd3+ 61. Kd1 e2+ 62. Kc2 e1=Q 63. Kxd3 Qe4+ 64. Kc3 Qd5 65. Nf6) 60... Nd3 61. Nf5 e2+ 62. Kd2 e1=Q+ 63. Kxd3 Qe4+ 64. Kd2 Qxf5 65. h6 Ke4 66. Kc3 Qxa5+ 67. Kc2 Kd4 68. Kb2 Qc3+ 69. Ka2 Qc2+ 70. Ka1 Kc3 71. h7 Qb2#) 60. Nf5 {[%eval 0,0] The position is equal.} Nc6 {[%eval 13,0]} 61. Nxe3 {[%eval 14,0]} Nxa5 {[%eval 17,0]} 62. Kd2 {[%eval 12,0]} Kg5 {[%eval 0,0]} 63. Kc3 {[%eval 0,0]} Nb7 {[%eval 0,0]} 64. Kb4 {[%eval 2,0]} Kf4 {[%eval 2,0] Weighted Error Value: White=0.57/Black=0.60 PRECISÃO STOCKFISH 17.1: BRANCAS 83% PRETAS 82%} 1/2-1/2 [Event "I IRT CXG 2025"] [Site "Rio de Janeiro"] [Date "2025.04.26"] [Round "9.3"] [White "Chaves, Jorge Antonio Torre"] [Black "Ramos, Angelo Bil"] [Result "1-0"] [ECO "B24"] [WhiteElo "1873"] [BlackElo "1995"] [Annotator "Chessbase - SF 17.1"] [PlyCount "81"] [EventDate "2025.??.??"] 1. e4 {[%eval 18,0]} c5 {[%eval 25,0]} 2. Nc3 {[%eval 26,0]} Nc6 {[%eval 16,0]} 3. g3 {[%eval 0,0]} g6 {[%eval 0,0]} 4. Bg2 {[%eval 7,0]} Bg7 {[%eval 3,0]} 5. Nge2 {[%eval 7,0]} e6 {[%eval 0,0]} 6. d3 {[%eval 11,0]} Nge7 {[%eval 0,0]} 7. Be3 {[%eval 4,0]} Nd4 {[%eval 0,0]} 8. O-O {[%eval 1,0]} O-O {[%eval 12,0]} 9. Qd2 {[%eval 11,0]} Re8 {[%eval 38,0]} (9... Qc7 10. Nd1 d5 11. c3 Nxe2+ 12. Qxe2 d4 13. Bf4 e5 14. Bd2 Be6 15. f4 Qd7 16. cxd4 cxd4 17. Bb4 {[%CAl Bf4f5]} Rfe8 18. Nf2 {[%CAl Bf4f5]} Rac8 19. b3 Nc6 20. Bd2 a5 21. Qf3 Nb4 22. f5 gxf5 23. exf5 Bxf5 {[%CAl Bb4d3]} 24. Ne4 {Stukopin,A (2325)-Kharlov,A (2499) Voronezh 2008 0-1 (56)}) 10. Rae1 {[%eval 34,0]} (10. Rac1 d6 11. f4 {[%CAl Bb2b4]} Rb8 12. g4 {[%CAl Bf4f5]} f5 13. g5 b5 14. Ng3 b4 15. Nd1 Qa5 16. a3 Ndc6 17. axb4 Qxb4 18. c3 Qb3 (18... Qb5 $5 {[%CAl Rc6a5]}) 19. h4 Bd7 20. h5 a5 21. Ra1 a4 22. Ra3 Qb5 23. exf5 exf5 24. h6 Bh8 {Manukyan,S (2211)-Castro Silva,M (2260) chess.com INT 2024 0-1 (57)}) 10... d6 {[%eval 27,0]} 11. Nf4 $6 $146 {[%eval 3,0] Inaccuracy. Nd1 was best.} (11. Nc1 Bd7 12. Nd1 Bb5 13. c3 Ndc6 14. f4 Rc8 15. Kh1 Rc7 16. Bg1 Kh8 17. Ne3 f5 18. exf5 exf5 19. Nc4 Nc8 20. Rxe8+ Qxe8 21. Ne3 N6e7 22. Re1 Qf7 23. Nb3 Bc6 24. Qe2 h6 25. h3 Kh7 {Knoppert,E (2300)-Strating,S Alkmaar 1989 1-0 (53)}) (11. f4 Rb8 12. Nd1 b6 13. c3 Nxe2+ 14. Rxe2 d5 15. e5 Bb7 16. Bf2 Qd7 17. a3 Ba6 18. g4 Qb5 {[#]} 19. Re3 $1 Bb7 20. Rh3 Qd7 21. Bh4 $18 {[%eval 173,21] [%wdl 954,46,0]} (21. Ne3 Rf8 22. d4 $14 {[%eval 59,23] [%wdl 157,842,1] keeps the upper hand.} (22. g5 d4 23. cxd4 cxd4 24. Nc4 Bxg2 25. Kxg2 Nf5 {Pascual Arevalo,R (2092)-Olivares Romero,S (1755) Oviedo 2022 1-0 (35). Prevents Nd6.}))) (11. Nd1 d5) 11... Bd7 {[%eval 3,0] The position is equal.} 12. h4 {[%eval 22,0]} Nec6 {[%eval 13,0]} 13. Nh3 {[%eval 18,0]} Rb8 $6 {[%eval 53,0] Inaccuracy. Qa5 was best.} (13... Qa5 14. Bh6) 14. Nd1 {[%eval 48,0]} e5 {[%eval 62,0] aiming for ...Bxh3.} 15. f3 {[%eval 49,0]} b6 {[%eval 64,0]} 16. c3 {[%eval 64,0]} Ne6 {[%eval 77,0]} 17. Bh6 {[%eval 24,0]} f6 {[%eval 61,0]} 18. Be3 {[%eval 53,0]} Rf8 {[%eval 54,0]} 19. f4 {[%eval 49,0]} exf4 {[%eval 52,0]} 20. gxf4 {[%eval 5,0]} f5 {[%eval 56,0]} 21. Ng5 {[%eval 2,0]} Nxg5 {[%eval 34,0]} 22. hxg5 {[%eval 24,0]} Ne7 {[%eval 25,0]} 23. Nf2 {[%eval 22,0]} Qc7 {[%eval 5,0]} 24. Qc2 {[%eval 23,0]} Rbd8 {[%eval 1,0]} 25. Re2 {[%eval 23,0]} Bb5 $4 {[%eval 442,26] [%wdl 1000,0,0][%mdl 8192] Blunder. Bc8 was best.} (25... Kh8 {[%eval -15,24] [%wdl 7,968,25]}) (25... Bc8 26. Rfe1 Kh8 27. Qd1 a5 28. a3 b5 29. Qc1 a4 30. Bd2 fxe4 31. dxe4) 26. Qb3+ $18 {[%eval 425,0] White is clearly winning.} d5 {[%eval 429,0][%CAl Bb5d3] Hoping for ...Bxd3!} 27. Qxb5 {[%eval 418,0]} fxe4 {[%eval 404,0]} 28. dxe4 {[%eval 403,0]} dxe4 {[%eval 401,0]} 29. Qc4+ {[%eval 444,0]} Kh8 {[%eval 443,0]} 30. Bxe4 {[%eval 421,0]} Rde8 {[%eval 469,0]} 31. Ng4 {[%eval 437,0]} Nc8 {[%eval 544,0]} 32. Bc2 {[%eval 447,0]} Nd6 {[%eval 449,0]} 33. Qd5 {[%eval 449,0]} Rd8 {[%eval 406,0]} 34. Qh1 {[%eval 458,0]} Nf5 {[%eval 443,0]} 35. Bxf5 {[%eval 443,0]} (35. Rh2 Kg8 36. Rxh7 Rd7) 35... Rxf5 {[%eval 443,0]} 36. Rh2 {[%eval 389,0]} Bf8 $6 {[%eval 501,0] Inaccuracy. h5 was best.} (36... h5 37. Bc1 Qf7 38. Nf2 Bf8 39. Ne4 c4 40. Re2 Rd3 41. Qg2 Kg8 42. Kh2) 37. Qf3 {[%eval 448,0]} Be7 {[%eval 493,0]} 38. Nh6 {[%eval 508,0]} Rff8 {[%eval 461,0]} 39. Rg2 {[%eval 497,0]} Rd3 {[%eval 521,0]} 40. Re1 {[%eval 409,0]} Qd6 {[%eval 533,0] [#]} 41. Bd4+ $1 {[%eval 529,0][%mdl 512] Weighted Error Value: White=0.21 (precise) /Black=0.52 PRECISÃO STOCKFISH 17.1: BRANCAS 96% PRETAS 87%} 1-0 [Event "I IRT CXG 2025"] [Site "Rio de Janeiro"] [Date "2025.04.26"] [Round "9.2"] [White "Brito, Vicente de Paulo Al"] [Black "Nogueira, Adnilton Correia De"] [Result "1-0"] [ECO "D01"] [WhiteElo "1880"] [BlackElo "1745"] [Annotator "Chessbase - SF 17.1"] [PlyCount "31"] [EventDate "2025.??.??"] 1. d4 {[%eval 17,0]} Nf6 {[%eval 19,0]} 2. Nc3 {[%eval 2,0][%CAl Bb1c3,Bc3b5,Bb5d4][%mdl 32]} d5 {[%eval 0,0]} 3. Bf4 {[%eval 11,0]} Bf5 {[%eval 1,0]} 4. e3 {[%eval 5,0]} h6 {[%eval 26,0]} (4... c6 5. f3 e6 6. g4 Bg6 7. h4 h6 8. Nge2 Nbd7 9. Qd2 b5 10. Bg3 Nb6 11. b3 Bd6 12. Nf4 h5 13. g5 Ng8 14. a4 bxa4 15. Nxa4 Nxa4 16. Rxa4 Ne7 17. Bh2 O-O 18. Bh3 c5 19. O-O {Pikula,D (2494)-Todorovic,J (2423) Cetinje 2012 0-1 (41)}) 5. Nf3 $146 {[%eval 17,0]} (5. h4 e6 6. f3 Bd6 7. Nge2 Bxf4 8. Nxf4 c6 9. g4 Bh7 10. g5 Ng8 11. Bd3 Bxd3 12. gxh6 Bf5 13. hxg7 Rh7 14. e4 dxe4 15. fxe4 Bg6 16. h5 Qg5 17. Qf3 Nf6 18. hxg6 Rxh1+ 19. Qxh1 Qxf4 {Seder,M (2041)-Lukachewski Junior,W (2049) chess.com INT 2025 1-0}) 5... Nbd7 $6 {[%eval 96,0] Inaccuracy. c6 was best.} (5... e6 6. a3 Bd6 7. Bb5+ c6 8. Bxd6 Qxd6 9. Bd3 Bxd3 10. cxd3 Nbd7 11. O-O O-O 12. Re1 Rfe8 13. e4 {Hoping for e5.} e5 14. dxe5 Nxe5 15. Nxe5 Rxe5 $2 {[%eval 259,22] [%wdl 1000,0,0] [#]} (15... Qxe5 $14 {[%eval 46,27] [%wdl 60,939,1]} 16. exd5 Qxe1+ 17. Qxe1 Rxe1+ 18. Rxe1 Nxd5) 16. d4 $2 {[%eval 76,25] [%wdl 214,786,0]} (16. f4 $1 $18 {[%eval 259,22] [%wdl 1000,0,0][%CAl Rf4e5] and the rest is easy.} Ree8 17. e5 Qc5+ 18. d4) 16... Rxe4 $16 17. Nxe4 dxe4 18. h3 Rd8 19. Qb3 b6 $2 {[%eval 201,21] [%wdl 997,3,0]} (19... Rd7 $14 {[%eval 47,25] [%wdl 46,954,0]}) 20. Rac1 {Davies,A-Carrick,P Torquay 2019 ½-½}) (5... c6 6. Bd3 Bxd3 7. cxd3 Nh5 8. Be5 e6 9. O-O Be7 10. h3) 6. Nb5 {[%eval 131,0]} e5 $2 {[%eval 363,22] [%wdl 1000,0,0] Mistake. Rc8 was best. [#]} (6... Rc8 7. Nxa7) 7. dxe5 $18 {[%eval 321,0]} c6 $6 {[%eval 449,0] Inaccuracy. Ne4 was best.} (7... Ne4 8. e6 fxe6 9. Nxc7+ Kf7 10. Nxa8 g5 11. Bc7 Qf6 12. Qd4 Bg7 13. Qxf6+) 8. Nbd4 {[%eval 417,0] White is clearly winning.} (8. exf6 cxb5 9. Qxd5 Be6 10. Qxb7 a6 $18) 8... Qa5+ {[%eval 444,0]} 9. c3 {[%eval 491,0]} Ne4 {[%eval 471,0]} 10. Nxf5 {[%eval 474,0]} g6 {[%eval 482,0]} 11. Nd6+ {[%eval 466,0]} Nxd6 {[%eval 582,0]} 12. exd6 {[%eval 566,0]} Bg7 {[%eval 559,0]} 13. Be2 {[%eval 505,0]} O-O-O {[%eval 562,0]} 14. a4 {[%eval 527,0]} f5 {[%eval 604,0]} 15. O-O {[%eval 594,0]} g5 {[%eval 697,0]} 16. b4 {[%eval 706,0] Weighted Error Value: White=0.03 (flawless) /Black=0.67 PRECISÃO STOCKFISH 17.1: BRANCAS 98% PRETAS 81%} 1-0 [Event "I IRT CXG 2025"] [Site "Rio de Janeiro"] [Date "2025.04.26"] [Round "9.4"] [White "Mendes, Jorge Alberto Dacal"] [Black "Manzi, Luiz Antonio Bardar"] [Result "1-0"] [ECO "B23"] [WhiteElo "1870"] [BlackElo "1996"] [Annotator "Chessbase - SF 17.1"] [PlyCount "68"] [EventDate "2025.??.??"] 1. e4 {[%eval 18,0]} c5 {[%eval 25,0]} 2. Nc3 {[%eval 26,0]} Nc6 {[%eval 16,0]} 3. Nf3 {[%eval 2,0]} g6 {[%eval 26,0]} 4. g3 {[%eval 3,0]} Bg7 {[%eval 7,0]} 5. Bg2 {[%eval 12,0]} e6 {[%eval 0,0]} 6. d3 {[%eval 3,0]} Nge7 {[%eval 4,0]} 7. Be3 {[%eval 2,0]} Nd4 {[%eval 2,0]} 8. Qd2 {[%eval 14,0]} O-O {[%eval 1,0]} 9. O-O {[%eval 6,0]} f5 {[%eval 45,0]} (9... Nec6 10. Ne1 Qa5 11. Bh6 d6 12. h4 f5 13. h5 Ne5 14. Bg5 Rf7 {Against Be7} 15. hxg6 hxg6 16. exf5 gxf5 17. Qd1 Bd7 18. Ne2 Bc6 19. Nf4 Qa4 20. Qh5 {And now c3 would win.} Bf8 {Threatens to win with ...Bxg2.} 21. b3 Qa6 22. c3 Bxg2 23. cxd4 Rh7 24. Qxh7+ {Rathnakaran,K (2441)-Akopian,V (2697) Albena 2012 0-1 (47)}) 10. Ng5 $6 $146 {[%eval 28,0] Inaccuracy. Nh4 was best.} (10. Bg5 Rf7 11. Nxd4 cxd4 12. Ne2 Qb6 13. c3 Nc6 14. cxd4 Nxd4 15. Nxd4 Bxd4 16. Be3 Qxb2 17. Qxb2 Bxb2 18. Rab1 Bg7 19. exf5 gxf5 20. Bxb7 Bxb7 21. Rxb7 d5 22. Rfb1 d4 23. Bd2 e5 24. f3 Rc8 {Vesselovsky,S (2399)-Kovalev,A (2538) Czech Republic 2006 ½-½ (34)}) (10. Ne1 d6 (10... Rf7 11. Nd1 d6 12. c3 Ndc6 13. f4 Rb8 14. Nf2 Qc7 15. Nf3 b5 16. d4 Na5 17. b3 {Inhibits Nc4.} b4 18. c4 fxe4 19. Nxe4 Nf5 20. Bf2 {[%CAl Rd4c5]} Nc6 {[%CAl Rf5d4]} 21. dxc5 dxc5 22. Nxc5 Bc3 23. Qd3 Bxa1 24. Rxa1 e5 {Jaramillo,M-Majul Martinez,I (2095) Barranquilla 2001 1-0 (40)}) 11. Bh6 (11. Nd1 e5 {[%CAl Bf5f4]} 12. c3 f4 13. cxd4 {[%CAl Bd4d5] aiming for d5!} fxe3 14. Nxe3 cxd4 15. Nc4 b5 16. Na3 a6 17. Rc1 Be6 18. Nec2 Rf7 19. Nb4 Qf8 {Hoping for ...Bh6.} 20. Rc7 Bh6 21. Qd1 Rc8 $2 {[%eval 16,26] [%wdl 26,968,6]} (21... Qb8 $19 {[%eval -165,26] [%wdl 0,55,945]} 22. Rxe7 Rxe7) 22. Nxa6 Ra8 23. Nb4 Ra4 24. Qe1 Qb8 {Munoz Navarro,A (2142)-Torres Sanchez,J (2275) Cullera 2004 0-1 (35)}) 11... Rb8 12. Bxg7 Kxg7 13. f4 Bd7 14. Nd1 Qc7 15. c3 Ndc6 16. Nf3 fxe4 17. dxe4 e5 18. Nf2 {[%CAl Bf4f5]} Rbd8 19. fxe5 Nxe5 20. Nxe5 dxe5 21. Qe3 b6 22. Bh3 Bb5 23. Rfe1 h5 24. Bf1 Bxf1 {D'Amore,C (2374)-Moroder,S (2253) Darfo Boario Terme ITA 2025 ½-½ (69)}) (10. Nh4) 10... h6 {[%eval 2,0]} 11. Nh3 {[%eval 22,0]} Kh7 {[%eval 1,0] Black is slightly better.} (11... g5 $5 {[%CAl Rf5f4]}) 12. f4 {[%eval 46,0]} Rb8 {[%eval 49,0]} 13. Rf2 {[%eval -98,0]} b6 {[%eval 81,0]} 14. Raf1 {[%eval -98,0]} Bb7 {[%eval 8,0]} 15. Nd1 {[%eval -97,0]} d5 {[%eval -97,0][%CAl Bd7d5,Bd5d4][%mdl 32]} 16. e5 {[%eval -69,0]} Ndc6 {[%eval -98,0]} 17. Qe2 {[%eval -67,0]} Qd7 {[%eval -75,0]} 18. b3 {[%eval -41,0]} Rfd8 {[%eval -77,0]} 19. Bf3 {[%eval -54,0]} a5 {[%eval 92,0]} 20. Rg2 {[%eval -68,0]} d4 {[%eval -64,0]} 21. Bc1 {[%eval -56,0]} Nb4 $6 {[%eval 83,0] Inaccuracy. b5 was best.} (21... b5) 22. a3 $6 {[%eval -54,0] Inaccuracy. a4 was best.} (22. a4 c4 23. dxc4 d3 24. cxd3 Nec6 25. Be3 Bf8 26. Nb2 Nxd3 27. Nxd3 Qxd3) 22... Bxf3 $6 {[%eval 55,0] Inaccuracy. Na2 was best.} (22... Na2) 23. Rxf3 $2 {[%eval -22,0] Mistake. Qxf3 was best.} (23. Qxf3) 23... Nbd5 {[%eval -45,0]} 24. Bd2 {[%eval -188,0]} a4 {[%eval -175,0]} 25. Nb2 {[%eval -112,0]} axb3 {[%eval -114,0]} 26. cxb3 {[%eval -132,0]} Ra8 {[%eval -125,0]} 27. a4 {[%eval -192,0]} b5 {[%eval -179,0]} 28. g4 {[%eval -129,0]} fxg4 {[%eval -102,0]} 29. Rxg4 {[%eval -300,0]} Nf5 {[%eval -113,0]} 30. Qg2 $6 {[%eval -217,0] Inaccuracy. Rf1 was best.} (30. Rf1 Nde3 31. Bxe3 dxe3 32. Rg2 Qd4 33. Kh1 Nh4 34. Rg3 bxa4 35. Nxa4 c4) 30... Nde7 $6 {[%eval -135,0] Inaccuracy. Nde3 was best.} (30... Nde3 31. Bxe3 dxe3 32. Rxg6 e2 33. Rxg7+ Qxg7 34. Qxg7+ Kxg7 35. Kf2 Rd4 36. Ng1) 31. Ng5+ $6 {[%eval -226,0] Inaccuracy. Rf1 was best.} (31. Rf1 Qd5) 31... hxg5 {[%eval -229,0]} 32. Rh3+ {[%eval -361,0]} Kg8 {[%eval -367,0]} 33. Rxg5 {[%eval -202,0]} Kf7 {[%eval -395,0]} 34. a5 {[%eval -357,0]} Qd5 {[%eval -365,0][%mdl 32768] Weighted Error Value: White=0.47/Black=0.26 (precise) . Loss on time!? PRECISÃO STOCKFISH 17.1: BRANCAS 88% PRETAS 93%} 1-0 [Event "I IRT CXG 2025"] [Site "Rio de Janeiro"] [Date "2025.04.26"] [Round "9.5"] [White "Rovedo, Salomão"] [Black "Santos Filho, Tadeu Souza"] [Result "1-0"] [ECO "A84"] [WhiteElo "1727"] [BlackElo "2017"] [Annotator "Chessbase - SF 17.1"] [PlyCount "83"] [EventDate "2025.??.??"] 1. d4 {[%eval 17,0]} e6 {[%eval 37,0]} 2. c4 {[%eval 16,0]} f5 {[%eval 41,0]} 3. g3 {[%eval 43,0]} Bb4+ {[%eval 52,0]} 4. Nc3 {[%eval 34,0]} Bxc3+ {[%eval 34,0]} 5. bxc3 {[%eval 32,0]} Nf6 {[%eval 37,0]} 6. Bg2 {[%eval 18,0]} O-O $146 {[%eval 36,0]} (6... d6 7. Nf3 Ne4 8. Qb3 Nd7 9. c5 d5 10. O-O O-O 11. Ne1 h6 12. f3 Nef6 13. e4 fxe4 14. fxe4 c6 15. Bf4 Nxe4 16. Bxe4 dxe4 17. Qxe6+ Kh8 18. Qxe4 Nf6 19. Qg6 Nd5 20. Be5 Rxf1+ 21. Kxf1 {Kaczmarska,J (1590)-Litner,I (1728) Poland 2013 0-1 (82)}) 7. Nh3 {[%eval 26,0]} d6 {[%eval 28,0]} 8. O-O {[%eval 17,0]} Nc6 {[%eval 15,0]} 9. Nf4 {[%eval 15,0]} Rb8 {[%eval 34,0]} 10. Rb1 {[%eval 6,0] [#] Strongly threatening Bxc6.} Na5 {[%eval 7,0]} 11. Qd3 {[%eval 27,0] The position is equal.} b6 {[%eval 27,0]} 12. d5 $4 {[%eval -236,27] [%wdl 0,4,996] Blunder. Ba3 was best.} (12. c5 {[%eval -19,27] [%wdl 7,959,34] and White is okay.}) (12. Ba3 Re8) 12... e5 $19 {[%eval -164,0][%CAl Be6e5,Be5e4][%mdl 32]} 13. Ne6 {[%eval -117,0]} Bxe6 {[%eval -125,0]} 14. dxe6 {[%eval -136,0]} e4 {[%eval -192,0]} 15. Qc2 {[%eval -128,0]} (15. Qd4 Qe7 16. Bg5 Qxe6 $19) 15... Qe7 {[%eval -124,0]} (15... Nxc4 16. f3 $17) 16. Bg5 {[%eval -297,0]} Qxe6 {[%eval -115,0]} 17. Bxf6 {[%eval -289,0]} Rxf6 {[%eval -126,0]} (17... gxf6 $2 18. c5 $17) (17... Qxf6 $2 18. f3 $17) 18. c5 {[%eval -275,0]} d5 $6 {[%eval -197,0] Inaccuracy. dxc5 was best.} (18... dxc5 19. Qa4 Qe8 20. Qc2 Nc4 21. Rfd1 Qe6 22. Qa4 a5 23. Qb3 Kf8 24. e3) 19. e3 {[%eval -129,0]} Qc6 $2 {[%eval -56,0] Mistake. Nc4 was best.} (19... Nc4 20. Qd1 Rbf8 21. Qd4 g5 22. Rfd1 c6 23. Kh1 b5 24. a4 a6 25. axb5) 20. cxb6 {[%eval -96,0]} cxb6 {[%eval 91,0]} 21. Rb4 {[%eval -85,0]} b5 $2 {[%eval 4,0] Mistake. Rd6 was best.} (21... Rd6 22. Rd1 Rc8 23. Rbd4 Qd7 24. Bf1 Rc5 25. a4 Nc6 26. R4d2 Ne5 27. Be2) 22. Rd1 {[%eval 2,0]} Nc4 {[%eval 1,0]} 23. Bf1 {[%eval 35,0]} a5 {[%eval 41,0]} 24. Bxc4 {[%eval 42,0]} dxc4 {[%eval 35,0]} 25. Rbb1 {[%eval 29,0]} Rd6 {[%eval 27,0] Inhibits Qd2.} 26. Rxd6 {[%eval 33,0]} Qxd6 {[%eval 38,0][%mdl 4096] Endgame KQR-KQR} 27. Rd1 {[%eval 32,0] Prevents Qd3.} Qc6 {[%eval 22,0] [#] White must now prevent ...b4.} 28. Rd4 {[%eval 49,0]} b4 {[%eval 2,0]} 29. cxb4 {[%eval 9,0]} Rxb4 $4 {[%eval 210,25] [%wdl 998,2,0] Blunder. Rc8 was best.} (29... Rc8) 30. a3 $36 {[%eval 173,0][%mdl 2048] White has strong initiative.} Ra4 $2 {[%eval 386,22] [%wdl 1000,0,0] Mistake. Rb8 was best.} (30... Rb8 31. Rxc4 Qd7 32. Kg2 h6 33. Rc7 Qd6 34. Qc3 Qg6 35. h3 Kh7 36. Qe5) 31. Rd6 $4 {[%eval 0,27] [%wdl 3,994,3] Blunder. Rd8+ was best.} (31. Rd8+ Kf7 32. Qc3 Ke7 33. Rg8 Ke6 34. Qxg7 Qd7 35. Qh6+ Ke5 36. Kg2 c3) 31... Qb5 $4 {[%eval 612,20] [%wdl 1000,0,0][%mdl 8192] Blunder. Qxd6 was best.} (31... Qxd6 32. Qxa4 Qe6 33. Qxa5 Qc6 34. Qc3 Kf7 35. h4 h5 36. Kf1 Qd5 37. Qb4) 32. Qd1 {[%eval 444,0]} h6 {[%eval 463,0]} 33. Rd5 {[%eval 402,0]} Qb3 $2 {[%eval 701,0] Mistake. Qc6 was best. Threatens to win with ...Qxd1+.} (33... Qc6 34. Rd6 Qb5 35. Rd8+ Kh7 36. Qd6 Rxa3 37. Qxa3 Qb4 38. Qa1 Qb5 39. Rd1) 34. Rd8+ {[%eval 659,0]} Kf7 $4 {[%eval 32754,0] Checkmate is now unavoidable. Kh7 was best.} (34... Kh7 35. Qd5 Qb6 36. Qxf5+ Qg6 37. Rh8+ Kxh8 38. Qxg6 Rxa3 39. Qe8+ Kh7 40. Qxe4+) 35. Qd7+ {[%eval 1036,0]} Kg6 {[%eval 986,0]} 36. Rg8 {[%eval 916,0]} Qc3 $2 {[%eval 32758,0] Checkmate is now unavoidable. Qd1+ was best.} (36... Qd1+ 37. Qxd1 Kh7 38. Qxa4 Kxg8 39. Qxc4+ Kf8 40. Qc8+ Ke7 41. Qxf5 g5 42. Kg2) 37. Qxa4 $4 {[%eval 779,28] [%wdl 1000,0,0] Lost forced checkmate sequence. Qe8+ was best.} (37. Qe8+ Kf6 38. Rf8+ Kg5 39. h4+ Kg4 40. Qg6+ Kh3 (40... Kf3 41. Qh5#) 41. Qxf5#) 37... Qe1+ $4 {[%eval 32756,0] Checkmate is now unavoidable. Qf6 was best.} (37... Qf6 38. Qxc4 Qe7 39. Kg2 Kh5 40. Qd5 Qg5 41. Rf8 g6 42. Qd1+ Qg4 43. Qxg4+) 38. Kg2 {[%eval 32758,0] White mates.} Qe2 {[%eval 32760,0]} 39. Qe8+ {[%eval 32762,0]} Kf6 {[%eval 32762,0]} 40. Rf8+ {[%eval 32764,0]} Kg5 {[%eval 32764,0]} 41. h4+ {[%eval 32766,0]} Kg4 {[%eval 32766,0]} 42. Qg6# {Weighted Error Value: White=0.37/Black=0.98 PRECISÃO STOCKFISH 17.1: BRANCAS 88% PRETAS 81%} 1-0