[Event "Campeonato Carioca FEXERJ 2023"] [Site "Rio de Janeiro"] [Date "2023.07.27"] [Round "1.13"] [White "De Albuquerque, Ian Telek Cavalcant"] [Black "Ribeiro, Jairo da Silva"] [Result "1-0"] [ECO "B30"] [WhiteElo "2109"] [BlackElo "1623"] [Annotator "Stockfish 16"] [PlyCount "65"] [EventDate "2023.??.??"] {[%evp 9,64,72,113,108,105,104,154,166,153,155,345,341,331,339,476,483,548,550, 564,545,606,561,556,557,544,538,587,589,578,574,627,568,561,566,562,539,567, 523,663,646,746,740,993,1021,943,942,29989,29988,29990,29991,29992,29992,29997, 29998,29998,29999,29999]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 {[%CAl Bb1c3,Bc3e4,Be4c5] [%mdl 32]} Nf6 4. Bb5 a6 5. Bxc6 bxc6 6. e5 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} Nd5 7. Ne4 f5 $146 ({Predecessor:} 7... d6 8. O-O Bf5 9. Re1 g6 10. exd6 Bxe4 11. dxe7 Bxe7 12. Rxe4 O-O 13. d3 Bf6 {1-0 (41) Rodriguez Perez,R (2140)-Nemchenko,V (2352) FICGS email 2020}) 8. Nxc5 {White is clearly better.} e6 9. d4 f4 $2 {Mistake. Bxc5 was best.} (9... Bxc5 10. dxc5 Qa5+ 11. Bd2 Qxc5 12. O-O Rb8 13. b3 Nc3 14. Bxc3 Qxc3 15. Re1 O-O 16. Re3) (9... Bxc5 $16 10. dxc5 Qa5+ {[%mdl 64] Double Attack} 11. Bd2 Qxc5) 10. c4 $18 Bxc5 11. dxc5 ({Not} 11. cxd5 Bb4+ 12. Bd2 Bxd2+ 13. Qxd2 cxd5 $16) 11... O-O $6 { Inaccuracy. Ne7 was best.} (11... Ne7 12. Bxf4 Qa5+ 13. Qd2 Qxc5 14. b3 Qb6 15. Bg5 Ng6 16. h4 h6 17. Be3 c5 18. O-O-O) (11... Ne7 {was necessary.} 12. O-O O-O ) 12. cxd5 exd5 13. O-O g5 14. h3 d6 15. cxd6 g4 16. hxg4 Bxg4 17. Bd2 Ra7 18. Bc3 Be6 19. Nd4 Qd7 $6 {Inaccuracy. Qe8 was best.} (19... Qe8 20. f3 Rg7 21. Rf2 c5 22. Nxe6 Qxe6 23. Bd2 c4 24. Qc1 Qxe5 25. d7 Rxd7 26. Qc3) 20. Nxe6 Qxe6 21. Qf3 Rg7 22. Rfd1 Rf5 23. Kf1 Rfg5 24. Rd4 h6 25. Rxf4 Rxg2 26. Rf8+ Kh7 27. Rf6 Rg1+ 28. Ke2 {White mates.} Qg4 29. Rxg1 Qxg1 30. Qf5+ Kh8 31. Rxh6+ Kg8 32. Qc8+ {[%mdl 64] [#] Double Attack} Kf7 33. e6# {1-0 White wins. Accuracy: White = 91%, Black = 23%.} 1-0 [Event "Campeonato Carioca FEXERJ 2023"] [Site "Rio de Janeiro"] [Date "2023.07.27"] [Round "2.12"] [White "De Almeida, Almir Souza"] [Black "De Albuquerque, Ian Telek Cavalcant"] [Result "0-1"] [ECO "A04"] [WhiteElo "1868"] [BlackElo "2109"] [Annotator "Stockfish 16"] [PlyCount "72"] [EventDate "2023.??.??"] {[%evp 14,71,-17,-39,0,-28,-28,-126,-127,-187,-175,-287,-300,-353,-343,-431, -318,-320,-284,-338,-337,-479,-472,-522,-460,-430,-385,-509,-394,-469,-468, -472,-458,-463,-325,-332,-332,-497,-374,-434,-435,-692,-604,-793,-569,-947, -920,-910,-518,-730,-706,-697,-692,-29983,-29984,-29984,-29985,-29985,-29986, -29999]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. O-O Bg7 5. d3 e5 6. e4 Nge7 7. Nbd2 O-O 8. a4 f5 {A04: Unusual lines after 1 Nf3 and King's Indian Attack.} 9. exf5 $146 ({Predecessor:} 9. c3 h6 10. Nc4 d6 11. b4 Be6 12. exf5 gxf5 13. b5 Na5 14. Nxa5 Qxa5 15. Bd2 Qd8 16. Nh4 {1-0 (27) Matevosyan,A (2166)-Wagner,S (2178) Austria 2014}) 9... gxf5 10. Nc4 $6 {Inaccuracy. a5 was best.} (10. a5 Rb8) ( 10. Re1 $11) 10... d5 $17 {Black is better.} 11. Na3 (11. Ncd2 $17) 11... f4 $19 12. gxf4 $2 {Mistake. Re1 was best.} (12. Re1 Ng6) (12. c3 $142) 12... Bg4 ({Less strong is} 12... exf4 13. Re1 $17) 13. Qe1 {[%CAl Rf3e5]} exf4 14. c3 Qe8 $6 {[#] Inaccuracy. Ng6 was best. Hoping for ...Qh5.} (14... Ng6 15. Nc2) 15. h3 Bf5 $6 {Inaccuracy. Bh5 was best.} (15... Bh5) 16. Qd1 $6 {Inaccuracy. Bxf4 was best.} (16. Bxf4 Bxd3) 16... Qh5 17. Kh2 $6 {Inaccuracy. Nh2 was best. } (17. Nh2 Qg5 18. Kh1 Kh8 19. Rg1 Qh6 20. Nc2 Ng6 21. Ne1 Rad8 22. Bd2 Nce5 23. d4 Nc4) (17. Nh2 $142 Qg6 18. Kh1) 17... Bg4 18. Nc2 Ne5 19. Nce1 Nxf3+ 20. Nxf3 Nc6 $6 {[#] Inaccuracy. Ng6 was best. Threatens to win with ...Ne5.} ( 20... Ng6 21. Kg1) 21. Kg1 $6 {Inaccuracy. d4 was best.} (21. d4 Rae8) 21... Bxh3 22. Nh2 Qg5 {[%csl Gh3][%CAl Rg5g2]} 23. Qf3 Bxg2 $6 {Inaccuracy. Be6 was best.} (23... Be6 24. Re1 Ne5 25. Rxe5 Bxe5 26. Qe2 Qg7 27. d4 cxd4 28. cxd4 Bh3 {[%csl Gh3][%CAl Rg7g2]} 29. Qf3 Bxg2 30. Qxg2) 24. Qxg2 Qf5 25. Rd1 $6 { Inaccuracy. Kh1 was best.} (25. Kh1 Ne5 26. d4 Nd3 27. Rg1 {[%csl Gg1][%CAl Rg2g7]} Rf7 28. Bd2 Re8 29. Qf3 Kh8 30. Rg2 cxd4 31. cxd4 Bxd4) (25. Kh1 $142) 25... Rae8 26. Bd2 Kh8 27. Be1 $6 {Inaccuracy. Kh1 was best.} (27. Kh1 Ne5) ( 27. Kh1 $142 f3 28. Qg5) 27... Ne5 28. d4 cxd4 {White must now prevent ...Rg8.} 29. cxd4 f3 30. Qg3 Nc6 $6 {Inaccuracy. Rg8 was best. aiming for ...Rg8.} ( 30... Rg8 31. Rac1 Bh6 32. dxe5 d4 33. Rc4 Rxg3+ 34. fxg3 Be3+ 35. Kh1 f2 36. Bxf2 Bxf2 37. Kg2) 31. Bc3 Re6 {...Rg6 is the strong threat.} 32. Kh1 Rg6 33. Qh4 Bf6 {Black mates.} 34. Qg3 Rxg3 35. fxg3 Qh3 {[%csl Gf3][%CAl Rh3g2]} 36. Be1 $6 {Checkmate is now unavoidable. Rd2 was best.} (36. Rd2 Be7) 36... Qg2# { 0-1 Black wins. Accuracy: White = 18%, Black = 67%.} 0-1 [Event "Campeonato Carioca FEXERJ 2023"] [Site "Rio de Janeiro"] [Date "2023.07.27"] [Round "3.7"] [White "De Albuquerque, Ian Telek Cavalcant"] [Black "Guimaraes, Sergio Murilo Soare"] [Result "1-0"] [ECO "C47"] [WhiteElo "2109"] [BlackElo "1989"] [Annotator "Stockfish 16"] [PlyCount "96"] [EventDate "2023.??.??"] {[%evp 17,96,56,80,72,70,46,82,73,79,43,112,78,111,89,104,94,115,86,142,105, 261,218,316,319,339,199,452,294,490,465,542,539,551,553,834,668,1016,934,869, 592,586,561,564,545,539,533,543,529,570,563,559,560,563,550,562,559,565,560, 562,565,556,561,589,579,630,650,741,748,699,643,974,902,920,817,3385,3397,1665, 1310,29981,29982,3966]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 Bc5 5. Bg2 O-O 6. Nxe5 Bxf2+ $6 {Inaccuracy. Nxe5 was best.} (6... Nxe5 7. d4 Bd6 8. dxe5 Bxe5 9. O-O Bxc3 10. bxc3 d6 11. Qd4) 7. Kxf2 Nxe5 8. Rf1 $6 {Inaccuracy. d4 was best.} (8. d4 Ng6 9. e5 Ne8 10. Rf1 d6 11. b3 dxe5 12. dxe5 Qxd1) 8... d6 9. d4 Ng6 10. Kg1 {C46: 3 Nc3: Unusual Black 3rd moves.} h6 11. Qf3 $146 ({Predecessor:} 11. h3 Be6 12. Kh2 c6 13. Be3 Qc7 14. Bxh6 Ng4+ 15. hxg4 gxh6 16. Rf5 Bxf5 17. gxf5 Nh8 {1-0 (35) Popov,R (2388)-Potapov,A (2293) chessassistantclub.com INT 2004}) 11... Kh7 12. h3 {White is better.} c6 13. Be3 Qa5 (13... Be6 $14) 14. Rae1 Bd7 15. g4 Rae8 16. Qg3 $36 {[%mdl 2048] White is on the roll.} Qb4 17. Rb1 Re6 $6 {Inaccuracy. d5 was best.} (17... d5 $1 18. Rxf6 gxf6 19. Rf1 a5 20. Ne2 ({White should play} 20. Qf2 $16) 20... dxe4 21. Qf2 Qe7 (21... Rg8 $1 $11) 22. Ng3 f5 $2 (22... Rg8 $1 $14) 23. gxf5 Qh4 {[#]} 24. Nxe4 (24. Qe1 $1 $18)) (17... d5 $142) 18. h4 {Strongly threatening a3.} Ng8 $2 {Mistake. Rfe8 was best.} (18... Rfe8 19. h5 Nf8 20. g5 hxg5 21. Qxg5 Kh8 22. a3 Qc4 23. Rf2 N8h7 24. Qh4 R6e7 25. h6) (18... c5 $16 {was worth a try.}) 19. g5 $6 {Inaccuracy. h5 was best.} (19. h5) 19... Nh8 $2 {Mistake. hxg5 was best.} (19... hxg5 20. hxg5) (19... hxg5 $142 20. hxg5 N8e7) 20. h5 $18 hxg5 21. Qxg5 $6 {Inaccuracy. a3 was best.} (21. a3) (21. a3 $142 Qc4 22. e5) 21... Rf6 $2 {Mistake. Ree8 was best.} (21... Ree8 22. a3 Qb6 (22... Qc4 $142 23. Qg3 Qe6) 23. Qg3 (23. e5 $142 d5 24. Ne4) 23... Nh6 24. Bxh6 gxh6 25. Qxd6 Qd8 26. Rf6 Re6 27. Rxe6 fxe6 28. Rf1) (21... Ree8 $142 22. a3 Qc4) 22. Rxf6 $6 {Inaccuracy. a3 was best.} ( 22. a3 Qc4 23. e5 Rxf1+ 24. Bxf1 Qe6 25. Bd3+ g6 26. Ne4 dxe5 27. dxe5 Qg4+ 28. Kf2 Qxg5) 22... gxf6 $4 {Blunder. Nxf6 was best.} (22... Nxf6 23. Bf3 Ng8 24. a3 Qc4 25. Qg3 Qe6 26. Bf4 Nh6 27. Bxd6 Rg8 28. Re1 (28. Kf2 $18) 28... f6 ( 28... g6 $16 29. d5 Qe8) 29. e5) (22... Nxf6 {might work better.} 23. a3 Qb6) 23. Qf4 d5 24. exd5 f5 25. Bh3 Ne7 $6 {Inaccuracy. Qe7 was best.} (25... Qe7 26. Bxf5+ Bxf5 27. Qxf5+ Kg7 28. Kf2 Ng6 29. Rg1 Kh8 30. Rh1 Kg7 31. dxc6 bxc6 32. Qf3) 26. a3 Qa5 27. Qh6+ Kg8 28. Qg5+ Neg6 29. Rf1 Qd8 30. Qxd8 Rxd8 31. hxg6 fxg6 32. dxc6 Bxc6 33. d5 Bd7 34. Bxa7 Re8 35. Kf2 Nf7 36. Re1 Rxe1 37. Kxe1 g5 38. Ne4 {Nf6+ is the strong threat.} Bc8 39. Nc5 g4 40. Bg2 Nd6 41. Bb8 Nc4 42. d6 Ne5 43. Nxb7 f4 44. Bd5+ Kg7 45. Nc5 Kf6 {[#]} 46. d7 $1 Nxd7 (46... Bxd7 47. Nxd7+) 47. Nxd7+ Bxd7 48. Bxf4 Kf5 {1-0 White wins. Accuracy: White = 48%, Black = 24%.} 1-0 [Event "Campeonato Carioca FEXERJ 2023"] [Site "Rio de Janeiro"] [Date "2023.07.27"] [Round "4.1"] [White "De Albuquerque, Ian Telek Cavalcant"] [Black "Limp, Eduardo Thelio"] [Result "1-0"] [ECO "B90"] [WhiteElo "2109"] [BlackElo "2382"] [Annotator "Stockfish 16"] [PlyCount "67"] [EventDate "2023.??.??"] {[%evp 13,67,36,40,21,56,35,34,37,33,31,83,80,81,87,102,100,106,96,96,106,102, 18,143,113,115,132,222,215,212,220,206,200,210,96,106,88,153,160,141,152,174, 71,76,62,80,25,125,126,133,130,185,137,164,174,162,164]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. h3 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} h5 9. f4 exf4 10. Bxf4 {White is slightly better.} Nc6 11. Qe2 Ne5 12. O-O-O {[#] aiming for Bxe5.} Qc7 13. Nd4 Nfd7 $146 ({Predecessor:} 13... g6 14. Qf2 Nfd7 15. Be2 O-O-O 16. Kb1 Be7 17. Nd5 Bxd5 18. exd5 Bf8 19. c4 Bh6 {1-0 (51) Lopez Martinez,J (2499)-Alonso Moyano,J (2409) Catalunya 2013}) 14. Qd2 g6 15. Bg5 Rc8 16. Be2 (16. Nxe6 $6 fxe6 17. Be3 b5 $11) 16... Nb6 17. Qf4 (17. Rhf1 $16) 17... Bc4 $6 {Inaccuracy. Bg7 was best.} (17... Bg7 18. Kb1 O-O (18... Nbc4 $5 {[%CAl Rc4b2]} 19. Bf6 (19. Nxe6 fxe6 20. Qc1 Na3+ {[%mdl 64] Deflection} 21. bxa3 Qxc3 $17) 19... Nxb2 20. Bb5+ (20. Bxg7 Qxc3 21. Bxh8 Nbc4 $19) 20... axb5 21. Ndxb5 {[%mdl 64] Double Attack} Qc5 22. Nxd6+ Kf8 23. Nxc8 Nxd1 24. Rxd1 Qb4+ 25. Kc1 Qa3+ {[%mdl 64] Double Attack} 26. Kb1 Qb4+ 27. Kc1 Qa3+ {[%mdl 64] Double Attack} 28. Kb1 Qb4+ $11) 19. Bh6 Bxh6 20. Qxh6 Qe7 $1 21. Qd2 Nec4 22. Bxc4 Nxc4 23. Qc1 Na3+ 24. Ka1) (17... Bg7 $11) 18. Bxc4 Nexc4 19. Qf6 $36 {[%mdl 2048] White is on the roll.} ({Much worse is} 19. Nd5 $6 Nxd5 20. exd5 Bg7 $14) 19... Rg8 (19... Rh7 $16 {was called for.}) 20. Ne6 Qe7 21. Nxf8 { [%csl Gg5][%CAl Rf6e7] [#]} Qxf6 22. Bxf6 {And now Nh7 would win.} Rxf8 23. Rhe1 $6 {Inaccuracy. b3 was best.} (23. b3) (23. b3 $18 {and White stays clearly on top.}) 23... Nd7 $16 24. Bh4 Rc6 $6 {Inaccuracy. f6 was best.} ( 24... f6 25. b3) (24... f6 $142) 25. b3 Nce5 26. Nd5 f6 27. Rd4 $6 {Inaccuracy. Nb4 was best.} (27. Nb4 Rb6) (27. Rf1 $18 {has better winning chances.}) 27... g5 28. Bf2 Kf7 29. Red1 a5 $6 {Inaccuracy. Rfc8 was best.} (29... Rfc8) (29... Rfc8 $11 30. Ne3 Nc5) 30. Ne3 Nc5 31. Nf5 Rd8 32. Kb2 {White is clearly better. } Ke6 33. Ng7+ Kf7 34. Nxh5 {Tempo. Accuracy: White = 72%, Black = 54%.} 1-0 [Event "Campeonato Carioca FEXERJ 2023"] [Site "Rio de Janeiro"] [Date "2023.07.27"] [Round "5.2"] [White "Okamura, Milton Kasuo"] [Black "De Albuquerque, Ian Telek Cavalcant"] [Result "0-1"] [ECO "E94"] [WhiteElo "2069"] [BlackElo "2109"] [Annotator "Stockfish 16"] [PlyCount "124"] [EventDate "2023.??.??"] {[%evp 16,92,82,14,78,72,75,74,111,100,132,145,143,56,156,65,213,202,204,166, 163,151,150,133,213,202,193,160,165,159,288,258,263,248,278,268,309,141,238,54, 46,13,177,-325,0,0,0,0,0,-14,-14,-14,-16,-17,-7,-8,-8,-8,-8,-10,-14,-14,-14, -16,-14,-14,-2,-18,-7,-29,-28,-25,-25,-635,-633,-696,-681,-790,-28]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 Qe7 9. d5 (9. Qc2 $16) 9... Nc5 {E94: India do Rei Classica.} (9... a5 $11 {Mantem a igualdade}) 10. Nd2 $1 $16 a5 11. a3 {[%CAl Ba2a3,Ba3b4][%mdl 32]} Bd7 { Branco melhor} 12. b4 axb4 13. axb4 Na6 14. Rb1 $6 {Era melor} (14. Qb3 Rfb8 15. Ra2 c5 16. bxc5 Nxc5 17. Rxa8 Rxa8 18. Bxc5 $1 dxc5 19. Qxb7 Qd8 20. Qb2 Qa5) (14. Qb3 $16) 14... Ne8 $6 {Imprecisão. Mais produtivo seria} (14... Rfb8 $14) 15. f3 $146 {Imprecisão. Era melhor adotar esta sequencia:} (15. c5 dxc5 16. Bxa6 $1 Rxa6 17. bxc5 f5 18. f3 Bc8 19. Qb3 Qf7 20. h3 f4 21. Bf2 g5) ({ Predecessor:} 15. Qb3 f5 16. f3 f4 17. Bf2 Bf6 18. c5 Bh4 19. Bxa6 Bxf2+ 20. Rxf2 Rxa6 21. b5 {1/2-1/2 (38) Hovenga,A (2204)-Woods,Y (1595) Bregenz 2023}) 15... f5 $6 {Imprecisão. Era melhor o tranquilo} (15... Nf6 $14) 16. Ra1 $18 Nf6 17. Qb3 Kh8 18. Na4 f4 19. Bf2 Rg8 (19... g5 $16 20. c5 g4) 20. c5 $1 g5 21. cxd6 cxd6 22. Nb6 Raf8 $6 {Imprecisão. Melhor seria} (22... Rab8 23. Rac1 g4 24. Nxd7 Qxd7 25. fxg4 $1 Nxg4 26. b5 (26. Qh3 $16 Bh6 27. Rc3) 26... Nc5 $2 ({Better is} 26... Nxf2 $14 27. bxa6 Ng4) 27. Bxc5 dxc5 28. Qh3 Bf6 29. Kh1) ( 22... Rab8 $16 23. Nxd7 Qxd7) 23. Nxd7 Qxd7 24. Bxa6 {aiming for Be2.} bxa6 25. Rxa6 g4 26. Qa4 $2 {Erro. Muito mais ativo seria} (26. Nc4 $18) 26... g3 $6 { Imprecisão. Melhor plano seria com} (26... Qf7 27. Bh4 gxf3 28. Bxf6 f2+ 29. Rxf2 Bxf6 30. Nf3 Rc8 31. Qa1 Rc4 32. b5 Rxe4 33. Rxd6 {Tentando se manter na luta}) 27. hxg3 $2 {Erro. Era mais prudente jogar esta linha:} (27. Be1 $1 gxh2+ 28. Kh1 $1 Qd8 29. b5 Bh6 30. Qc2 Nh5 31. Nc4 Rf6 32. Rc6 Qd7 (32... Rfg6 {era necessário} 33. b6 Qe7) 33. b6 Bf8) 27... fxg3 $14 28. Bxg3 Qf7 $2 { [#] Mistake. Qxa4 was best.} (28... Qxa4 {E o preto não tem com o que se preocupar} 29. Rxa4 Bh6 30. Be1 Be3+ 31. Kh2 Rg6 32. g4 Bxd2 33. Bxd2 Nxe4 $1 34. Be3 h5 35. gxh5) 29. Ra1 $4 {Erro grave. Era preciso} ({Se} 29. Rf2 $1) ({ Worse is} 29. Rxd6 Bh6 $11) 29... Qg6 $4 {Erro grave. O recomendado aqui era} ( 29... Bh6 $19 30. Nf1 Nh5 31. Bxe5+ (31. Rxd6 $2 Nxg3 32. Qa6 Nxf1 $19) 31... dxe5) 30. Nf1 $11 Nh5 31. Bh2 Rxf3 $1 {ameaçando ganhar com ...Bf6.} 32. Ra8 Rxa8 33. Qxa8+ Rf8 34. Qc6 Qxe4 {( -> ...Qd4+)} 35. Ra8 Qxb4 36. Rxf8+ Bxf8 37. Qe8 {[%CAl Re8f8]} Qd4+ 38. Kh1 {[%CAl Re8f8]} Qf2 $36 {[%mdl 2048] Preto lutando por uma vantagem} 39. Qxh5 Qxf1+ 40. Bg1 Be7 41. Qg4 Qf6 42. Qc8+ Kg7 43. Qg4+ Qg5 44. Qe6 $4 (44. Qd7 Qh4+ 45. Bh2 h5 46. Qc8 Qe4 47. Qd7 Qe1+ 48. Bg1 Qh4+ 49. Bh2 Qf6 50. Qe8 Qf7) (44. Qh3 $11) 44... Qh6+ $1 $19 45. Qxh6+ Kxh6 46. Kh2 Bg5 $4 {[%mdl 32768] Erro Grave. Lance ganhador 46...Rg5. 0-1. Precisão: Brancas 48%, Pretas 50%. .O lance jogado iguala a partida mas as brancas não entenderam assim e abandonaram. Senão vejamos:} (46... Kg5 47. Kg3 Kf5 48. Bf2 Ke4 49. Kg4 Bf8 50. Kg5 Kxd5 51. Kf6 e4 52. g4 Kc4 53. g5) ( 46... Kg5 $19 47. Kg3 Kf5) {(} 47. Bb6 Kg6 48. g4 Bf4+ 49. Kh3 e4 50. Ba5 h5 51. gxh5+ Kxh5 52. Bd8 Bg5 53. Ba5 Be3 54. Bc7 Bc5 55. Bd8 e3 56. Kg3 Kg6 57. Kf3 Kf5 58. Be7 Ke5 59. Bg5 Kxd5 60. Bf4 Kc6 61. Ke2 Ba7 62. Kd3 Bb6 {)} 0-1 [Event "Campeonato Carioca FEXERJ 2023"] [Site "Rio de Janeiro"] [Date "2023.07.27"] [Round "6.1"] [White "De Albuquerque, Ian Telek Cavalcant"] [Black "Fernandes, Silas Carvalho"] [Result "1-0"] [ECO "B90"] [WhiteElo "2109"] [BlackElo "2086"] [Annotator "Stockfish 16"] [PlyCount "43"] [EventDate "2023.??.??"] {[%evp 13,43,41,43,31,37,-6,23,28,44,34,53,52,84,63,84,27,22,25,42,38,29,28,31, 25,59,20,14,0,377,365,29992,29993]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. h3 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nbd7 9. f4 exf4 10. Bxf4 {White has an edge.} Ne5 11. Qe2 Qc7 12. O-O-O Be7 13. Nd4 Rc8 14. Nf5 (14. g4 $16) 14... Bxf5 $11 15. exf5 O-O 16. g4 h6 $146 ({Predecessor:} 16... Rfe8 17. Bxe5 dxe5 18. Bg2 e4 19. Kb1 Bb4 20. Nd5 Nxd5 21. Rxd5 {1/2-1/2 (45) Strbac,M (2259)-Ivanovic,M (2180) Sombor 2009}) 17. g5 hxg5 18. Bxg5 Rfe8 19. Rg1 (19. Bxf6 $5 Bxf6 20. Nd5 $11) 19... Nc4 {Threatens to win with ...Nxb2!} 20. Qg2 Qc6 $4 {[#] Blunder. Nxb2 was best.} (20... Nxb2 $1 21. Bh4 {[%csl Gg1][%CAl Rg2g7]} Nh5 $1 22. Nd5 Qa5 23. Bxe7 Nxd1 24. Nf6+ Kh8 25. Qg5 {[%CAl Rg5h5]} Rxc2+ $1 26. Kxd1 {[%CAl Rg5h5]} Rc1+ $1 27. Kxc1) (20... Qb6 $2 21. Bxc4 Rxc4 22. Rde1 $18) ( 20... Nxb2 $1 $11 21. Bh4 (21. Bd2 $2 Bf8 $19) 21... Nh5) 21. Nd5 $1 $18 Kf8 $4 {[#] Checkmate is now unavoidable. Nxd5 was best.} (21... Nxd5) (21... Nxd5 $18 22. Bxe7 {[%mdl 64] Discovered Attack} g6 23. fxg6 (23. Rxd5 Ne3 $11) (23. Qxd5 Qxd5 24. Rxd5 Rxe7 $16) 23... f6 24. Bxc4 (24. Qxd5+ Qxd5 25. Rxd5 Ne3 $16) ( 24. Rxd5 Ne3 $15) 24... Qxc4 25. Qxd5+ Qxd5 26. Rxd5 Rxe7 27. Rxd6 Kg7) 22. Bh6 $1 {[%mdl 512] 1-0 White wins. Accuracy: White = 69%, Black = 54%.} 1-0