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[Event "Alexandra Kosteniuk Arena"] [Site "http://chess-academy.net/3zNaDfly"] [Date "2020.08.05"] [Round "-"] [White "ANDREI-6"] [Black "cosmac"] [Result "0-1"] [UTCDate "2020.08.05"] [UTCTime "16:31:59"] [WhiteElo "1108"] [BlackElo "1268"] [WhiteRatingDiff "-51"] [BlackRatingDiff "+49"] [Variant "Standard"] [TimeControl "420+0"] [ECO "A30"] [Opening "English Opening: Symmetrical Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. c4 c5 { A30 English Opening: Symmetrical Variation } 2. Nf3 d6?! { (0.00 → 0.84) Inaccuracy. Best move was Nf6. } (2... Nf6 3. e3 e6 4. d4 d5 5. a3 cxd4 6. exd4 Be7 7. cxd5) 3. Nd4?? { (0.84 → -5.06) Blunder. Best move was e3. } (3. e3) 3... cxd4 4. g4? { (-4.83 → -6.55) Mistake. Best move was d3. } (4. d3 e5 5. e3 Nc6 6. Be2 Nf6 7. e4 Be7 8. O-O O-O 9. Bd2 a6 10. b4 Qb6) 4... f6? { (-6.55 → -4.94) Mistake. Best move was Bxg4. } (4... Bxg4 5. h3) 5. Nc3?? { (-4.94 → -9.50) Blunder. Best move was Bg2. } (5. Bg2 Nc6) 5... f5?? { (-9.50 → -5.41) Blunder. Best move was dxc3. } (5... dxc3 6. h3 cxd2+ 7. Bxd2 Nc6 8. e3 g6 9. Be2 Bg7 10. Rb1 Nh6 11. b4 Be6 12. f4) 6. Na4?! { (-5.41 → -6.38) Inaccuracy. Best move was Nd5. } (6. Nd5 e6 7. Nf4 fxg4 8. Bg2 Nc6 9. Qb3 e5 10. Nd5 Be7 11. d3 Nf6 12. Bd2 O-O) 6... b5?? { (-6.38 → -2.38) Blunder. Best move was fxg4. } (6... fxg4 7. Bg2 e5 8. b4 Be7 9. O-O Nf6 10. e3 O-O 11. d3 Nh5 12. c5 Na6 13. Rb1) 7. cxb5? { (-2.38 → -5.09) Mistake. Best move was Bg2. } (7. Bg2 bxa4) 7... Bb7 8. Rg1 fxg4 9. h4? { (-4.67 → -6.72) Mistake. Best move was Rxg4. } (9. Rxg4 e5 10. d3 Qd7 11. Rg3 Qxb5 12. Bd2 Nf6 13. Qb3 Qxb3 14. axb3 Nbd7 15. Rc1 Rb8) 9... gxh3? { (-6.72 → -4.95) Mistake. Best move was Nf6. } (9... Nf6) 10. Rh1?? { (-4.95 → -11.14) Blunder. Best move was Bxh3. } (10. Bxh3 Nf6 11. e3 Nbd7 12. exd4 e5 13. Qe2 Qe7 14. d3 exd4 15. Qxe7+ Bxe7 16. Rxg7 Nh5) 10... h2?? { (-11.14 → -5.60) Blunder. Best move was Bxh1. } (10... Bxh1 11. Bxh3 Nd7 12. Qb3 Ngf6 13. Be6 Qa5 14. Qc4 Rb8 15. Qxd4 Rxb5 16. Nc3 Rh5 17. Qc4) 11. Rxh2 e5?! { (-6.04 → -5.40) Inaccuracy. Best move was Nd7. } (11... Nd7) 12. a3?! { (-5.40 → -6.16) Inaccuracy. Best move was d3. } (12. d3 Nf6 13. Bh3 Nbd7 14. b4 Be7 15. Bd2 O-O 16. Qb3+ Kh8 17. Be6 h6 18. Nb2 Qe8) 12... Be7?! { (-6.16 → -5.38) Inaccuracy. Best move was Nf6. } (12... Nf6 13. b4 Qd7 14. d3 Qxb5 15. Bd2 Nbd7 16. Bh3 Rc8 17. Nb2 Be7 18. Nc4 Bd5 19. a4) 13. Nc5?? { (-5.38 → -9.54) Blunder. Best move was Bg2. } (13. Bg2 Bxg2) 13... Bg5?? { (-9.54 → 3.03) Blunder. Best move was dxc5. } (13... dxc5 14. a4 Nf6 15. e3 Qd6 16. d3 a6 17. bxa6 Bxa6 18. Rg2 O-O 19. Rg3 Nbd7 20. a5) 14. f4?? { (3.03 → Mate in 5) Checkmate is now unavoidable. Best move was Nxb7. } (14. Nxb7 Qd7) 14... Bxf4? { (Mate in 5 → -8.42) Lost forced checkmate sequence. Best move was Bh4+. } (14... Bh4+ 15. Rf2 Bxf2+ 16. Kxf2 Qh4+ 17. Kg1 Qg3+ 18. Bg2 Qxg2#) 15. b3? { (-8.42 → Mate in 5) Checkmate is now unavoidable. Best move was Nxb7. } (15. Nxb7) 15... Bg3+ 16. Rf2 Bxf2+ 17. Kxf2 Qh4+ 18. Kg1 Qg5+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qg3+. } (18... Qg3+ 19. Bg2 Qxg2#) 19. Bg2 Bxg2?! { (Mate in 1 → -22.28) Lost forced checkmate sequence. Best move was Qxg2#. } (19... Qxg2#) 20. Kf2 Qf5+ 21. Kg1 Qg5 22. Kf2 Qf6+ 23. Ke1?! { (-12.72 → Mate in 1) Checkmate is now unavoidable. Best move was Kxg2. } (23. Kxg2 Qg5+ 24. Kf2 Qh4+ 25. Kg2 Nf6 26. Qh1 Qg4+ 27. Kf1 dxc5 28. Qg2 Qh4 29. Qf2 Qh1+) 23... Qh4# { Black wins by checkmate. } 0-1