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[Event "Alexandra Kosteniuk Arena"] [Site "http://chess-academy.net/u3uSgvVy"] [Date "2020.08.05"] [Round "-"] [White "dragutraisa"] [Black "costelconstantin"] [Result "0-1"] [UTCDate "2020.08.05"] [UTCTime "16:29:46"] [WhiteElo "1598"] [BlackElo "1897"] [WhiteRatingDiff "-16"] [BlackRatingDiff "+28"] [Variant "Standard"] [TimeControl "420+0"] [ECO "B20"] [Opening "Sicilian Defense: Staunton-Cochrane Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c5 2. c4 { B20 Sicilian Defense: Staunton-Cochrane Variation } Nc6 3. Nc3?! { (0.11 → -0.39) Inaccuracy. Best move was Nf3. } (3. Nf3 e5 4. Nc3 d6 5. h3 Be7 6. Bd3 Nf6 7. O-O O-O 8. Bc2 Be6 9. Nd5 Nd4) 3... Nf6?! { (-0.39 → 0.28) Inaccuracy. Best move was g6. } (3... g6 4. Nf3 Bg7 5. d3 d6 6. Be2 e6 7. Be3 Nd4 8. O-O Ne7 9. Nb5 e5 10. Nbxd4) 4. d3?! { (0.28 → -0.44) Inaccuracy. Best move was Nf3. } (4. Nf3 e5 5. h3 Be7 6. d3 O-O 7. Be2 d6 8. Bd2 Bd7 9. O-O h6 10. Nd5 Nxd5) 4... e6?! { (-0.44 → 0.15) Inaccuracy. Best move was g6. } (4... g6 5. Be2) 5. Bf4?! { (0.15 → -0.36) Inaccuracy. Best move was f4. } (5. f4) 5... d6 6. Be2?! { (0.05 → -0.58) Inaccuracy. Best move was g3. } (6. g3 b6 7. Bg2 Bb7 8. Be3 Be7 9. Nf3 Ng4 10. O-O O-O 11. Bd2 Bf6 12. Rb1 Nge5) 6... g6?! { (-0.58 → 0.36) Inaccuracy. Best move was Be7. } (6... Be7 7. Nf3 O-O 8. O-O b6 9. Be3 Ng4 10. d4 Bf6 11. Qd2 Qe7 12. Rae1 h6 13. d5) 7. Bg5? { (0.36 → -0.66) Mistake. Best move was Nf3. } (7. Nf3 Bg7 8. h3 O-O 9. Qd2 b6 10. O-O Bb7 11. Rac1 Rc8 12. Nb5 Ne8 13. Bg5 f6) 7... Bg7?! { (-0.66 → -0.06) Inaccuracy. Best move was h6. } (7... h6) 8. Nf3?! { (-0.06 → -0.89) Inaccuracy. Best move was f4. } (8. f4 h6) 8... O-O?! { (-0.89 → 0.05) Inaccuracy. Best move was h6. } (8... h6) 9. Na4? { (0.05 → -1.35) Mistake. Best move was Qd2. } (9. Qd2 a6 10. O-O Qc7 11. Bh6 Bxh6 12. Qxh6 Ng4 13. Qh4 Nge5 14. Rae1 Nxf3+ 15. Bxf3 Bd7) 9... Ne7? { (-1.35 → 0.19) Mistake. Best move was a6. } (9... a6 10. Nc3) 10. Be3? { (0.19 → -1.00) Mistake. Best move was Qd2. } (10. Qd2) 10... b6 11. d4? { (-0.66 → -2.89) Mistake. Best move was Nc3. } (11. Nc3) 11... Bb7?! { (-2.89 → -2.20) Inaccuracy. Best move was Nxe4. } (11... Nxe4 12. Nc3 Bb7 13. Nxe4 Bxe4 14. O-O Nf5 15. Bd3 Bxf3 16. Qxf3 Nxd4 17. Qg3 f5 18. Rfe1) 12. dxc5 bxc5 13. Bxc5? { (-2.19 → -5.00) Mistake. Best move was e5. } (13. e5 Ng4 14. Bg5 Nxe5 15. Nxe5 Bxe5 16. Bf3 Qa5+ 17. Qd2 Qc7 18. Bxb7 Qxb7 19. Bxe7 Qxe7) 13... dxc5 14. Nxc5?? { (-4.62 → -10.08) Blunder. Best move was Qxd8. } (14. Qxd8) 14... Qa5+ 15. Kf1?! { (-9.38 → -10.25) Inaccuracy. Best move was Nd2. } (15. Nd2 Qxc5 16. Bf3 Bh6 17. Qc2 Bxd2+ 18. Qxd2 Rad8 19. Qc2 Rd4 20. Rc1 Bxe4 21. Bxe4 Nxe4) 15... Qxc5 16. Nd2 Bxe4 17. Nxe4 Nxe4 18. Qe1 Bxb2 19. f3 Bc3 20. fxe4 Bxe1 21. Rxe1 f5 22. exf5?! { (-19.12 → Mate in 8) Checkmate is now unavoidable. Best move was e5. } (22. e5 Rad8) 22... Rxf5+ 23. Bf3 Qxc4+ 24. Re2 Rd8 25. Kf2 Qc5+ 26. Kg3 Rg5+ 27. Bg4 Rd3+ 28. Kh4 Rxg4+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Rh5+. } (28... Rh5+ 29. Bxh5 Qxh5#) 29. Kxg4 Qf5+ 30. Kh4 Qf4+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qh5#. } (30... Qh5#) 31. g4 Nf5# { Black wins by checkmate. } 0-1