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[Event "Alexandra Kosteniuk Arena"] [Site "http://chess-academy.net/LrOOgA9N"] [Date "2020.08.05"] [Round "-"] [White "mariandumitras"] [Black "sarpe"] [Result "1-0"] [UTCDate "2020.08.05"] [UTCTime "16:04:40"] [WhiteElo "1662"] [BlackElo "1500"] [WhiteRatingDiff "+88"] [BlackRatingDiff "-117"] [Variant "Standard"] [TimeControl "420+0"] [ECO "B07"] [Opening "Pirc Defense #4"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d6?! { (0.12 → 0.73) Inaccuracy. Best move was e6. } { B07 Pirc Defense #4 } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Nf3?! { (0.73 → 0.21) Inaccuracy. Best move was d4. } (2. d4 Nf6 3. Nc3 e6 4. Nf3 Be7 5. Bd3 Nbd7 6. e5 dxe5) 2... Bd7? { (0.21 → 1.27) Mistake. Best move was Nf6. } (2... Nf6 3. Nc3 c5 4. Bb5+ Bd7 5. Bxd7+ Nbxd7 6. d4 cxd4 7. Qxd4) 3. Nc3? { (1.27 → 0.13) Mistake. Best move was d4. } (3. d4 e5) 3... Bc6? { (0.13 → 1.45) Mistake. Best move was c5. } (3... c5) 4. Bb5? { (1.45 → 0.06) Mistake. Best move was d4. } (4. d4 e6 5. Bd3 Nf6 6. O-O Be7 7. Qe2 O-O 8. Re1 Re8 9. e5 dxe5 10. dxe5 Nd5) 4... d5? { (0.06 → 1.39) Mistake. Best move was Bxb5. } (4... Bxb5) 5. exd5?! { (1.39 → 0.81) Inaccuracy. Best move was Bxc6+. } (5. Bxc6+ bxc6) 5... Bxb5 6. Nxb5 c6?! { (1.16 → 1.71) Inaccuracy. Best move was a6. } (6... a6) 7. dxc6 bxc6?! { (1.22 → 1.87) Inaccuracy. Best move was Nxc6. } (7... Nxc6 8. O-O Nf6 9. d4 a6 10. Nc3 e6 11. Re1 Be7 12. Ne2 O-O 13. Nf4 Rc8 14. c3) 8. Nc3 Na6? { (1.41 → 2.44) Mistake. Best move was e6. } (8... e6 9. b3 Bd6 10. O-O Nf6 11. Re1 O-O 12. Bb2 Nbd7 13. d3 Qc7 14. h3 Rad8 15. Nd2) 9. O-O?! { (2.44 → 1.94) Inaccuracy. Best move was d4. } (9. d4 Nf6) 9... Qa5? { (1.94 → 3.63) Mistake. Best move was e6. } (9... e6) 10. Nd4? { (3.63 → 1.83) Mistake. Best move was d4. } (10. d4 Nf6 11. Ne5 Qc7 12. Qe2 Qb7 13. f4 Nc7 14. f5 Ncd5 15. Nxd5 cxd5 16. c4 Qa6) 10... O-O-O?? { (1.83 → 7.84) Blunder. Best move was Qb6. } (10... Qb6) 11. Nxc6 Re8?? { (7.00 → 24.18) Blunder. Best move was Qb6. } (11... Qb6 12. Nxd8) 12. Nxa5 Nb4 13. Qg4+ Kd8?! { (27.38 → Mate in 6) Checkmate is now unavoidable. Best move was e6. } (13... e6 14. Qc4+ Kd8 15. Qd4+ Kc8 16. Qxa7 Bd6 17. Nb5 Bf4 18. Qc5+ Kd7 19. Qxb4 Bb8 20. Qd4+) 14. Re1?! { (Mate in 6 → 24.36) Lost forced checkmate sequence. Best move was Qd4+. } (14. Qd4+ Kc8 15. Qxb4 Kd7 16. Qb5+ Kd6 17. Qd5+ Kc7 18. Qc6+ Kd8 19. Nb7#) 14... e6 15. Re4 Re7?! { (19.18 → Mate in 8) Checkmate is now unavoidable. Best move was Nf6. } (15... Nf6 16. Rd4+) 16. Rxb4 Rb7 17. Rxb7?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Qd4+. } (17. Qd4+ Rd7 18. Rb8+ Kc7 19. Rb7+ Kd8 20. Qxd7#) 17... Kc8 18. Rxf7?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qc4+. } (18. Qc4+ Bc5 19. Qxc5+ Kd8 20. Qf8#) 18... Be7 19. Qxg7?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Qc4+. } (19. Qc4+ Kd8 20. Qc6 Ba3 21. Nb7#) 19... Bf8 20. Qxf8# { White wins by checkmate. } 1-0