[Event "Sunday-Tournament Arena"] [Site "https://lichess.org/sfZf29Ji"] [Date "2021.02.28"] [Round "-"] [White "Sergitochess"] [Black "sasha_potapov"] [Result "0-1"] [GameId "sfZf29Ji"] [UTCDate "2021.02.28"] [UTCTime "07:15:56"] [WhiteElo "937"] [BlackElo "1308"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+2"] [Variant "Standard"] [TimeControl "420+5"] [ECO "B00"] [Opening "Owen Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 { [%eval 0.25] } 1... b6 { [%eval 0.48] } { B00 Owen Defense } 2. Bc4 { [%eval -0.05] } 2... d6?? { (-0.05 → 3.08) Blunder. Bb7 was best. } { [%eval 3.08] } (2... Bb7 3. Nf3 e6 4. d3 d5 5. exd5 exd5 6. Bb3 Bd6 7. Nc3) 3. Qf3?? { (3.08 → 0.39) Blunder. Bxf7+ was best. } { [%eval 0.39] } (3. Bxf7+ Kxf7 4. Qh5+ Kf6 5. e5+ dxe5 6. Qf3+ Bf5 7. Qxa8 e6) 3... Nf6?? { (0.39 → 3.93) Blunder. e6 was best. } { [%eval 3.93] } (3... e6 4. d4 Bb7 5. Nc3 Nf6 6. d5 exd5 7. exd5 Nbd7 8. Nge2) 4. d4?? { (3.93 → 0.14) Blunder. e5 was best. } { [%eval 0.14] } (4. e5 d5 5. exf6 e6 6. fxg7 Bxg7 7. Bb3 Nd7 8. Ne2 Ba6) 4... Bb7 { [%eval 0.18] } 5. Bg5?? { (0.18 → -1.51) Blunder. Nc3 was best. } { [%eval -1.51] } (5. Nc3 e6) 5... Bxe4 { [%eval -1.38] } 6. Qb3?! { (-1.38 → -2.54) Inaccuracy. Qg3 was best. } { [%eval -2.54] } (6. Qg3 c6 7. Nc3 Nbd7 8. Nf3 e6 9. O-O d5 10. Be2 Bxf3 11. Bxf3 Be7 12. Rae1 O-O) 6... e6 { [%eval -2.32] } 7. f3 { [%eval -2.74] } 7... d5?? { (-2.74 → 0.63) Blunder. Bb7 was best. } { [%eval 0.63] } (7... Bb7 8. Nd2 Be7 9. Ne2 d5 10. Bd3 Nbd7 11. O-O-O Rc8 12. f4 O-O 13. f5 c5 14. fxe6) 8. fxe4 { [%eval 0.16] } 8... dxc4 { [%eval 0.22] } 9. Qxc4 { [%eval 0.33] } 9... Be7 { [%eval 0.64] } 10. d5?? { (0.64 → -2.29) Blunder. Nc3 was best. } { [%eval -2.29] } (10. Nc3 c6) 10... exd5 { [%eval -1.87] } 11. exd5 { [%eval -1.92] } 11... Nxd5 { [%eval -2.24] } 12. Qxd5?? { (-2.24 → -11.92) Blunder. Qe4 was best. } { [%eval -11.92] } (12. Qe4 Na6 13. Nf3 Nc5 14. Bxe7 Nxe4 15. Bxd8 Rxd8 16. Na3 O-O 17. O-O Rfe8 18. Rad1 Ne3) 12... Qxd5 { [%eval -11.01] } 13. Be3 { [%eval -15.17] } 13... Qxg2 { [%eval -15.35] } 14. Ne2 { [%eval -19.25] } 14... Qxh1+ { [%eval -18.92] } 15. Ng1 { [%eval -20.76] } 15... Qe4 { [%eval -18.86] } 16. Ke2 { [%eval -26.11] } 16... Bg5 { [%eval -19.09] } 17. Nc3 { [%eval -19.25] } 17... Qxe3+ { [%eval -19.49] } 18. Kf1 { [%eval -19.54] } 18... Nc6 { [%eval -17.32] } 19. Nd5 { [%eval -17.9] } 19... Qe5 { [%eval -17.95] } 20. Nxc7+ { [%eval -20.2] } 20... Qxc7 { [%eval -20.46] } 21. Re1+ { [%eval -20.48] } 21... Ne7 { [%eval -20.48] } 22. Nf3 { [%eval -21.67] } 22... Qc4+ { [%eval -19.79] } 23. Kg1 { [%eval -20.79] } 23... Qg4+ { [%eval -20.41] } 24. Kf2 { [%eval -20.79] } 24... Qf4 { [%eval -20.69] } 25. h4?! { (-20.69 → Mate in 6) Checkmate is now unavoidable. Kg2 was best. } { [%eval #-6] } (25. Kg2 Qg4+) 25... Bxh4+ { [%eval #-5] } 26. Ke2 { [%eval #-5] } 26... Bxe1?! { (Mate in 5 → -145.55) Lost forced checkmate sequence. O-O-O was best. } { [%eval -145.55] } (26... O-O-O 27. b3 Nf5 28. Kf1 Qxf3+ 29. Kg1 Qf2+ 30. Kh1 Ng3#) 27. Kxe1?! { (-145.55 → Mate in 3) Checkmate is now unavoidable. Nxe1 was best. } { [%eval #-3] } (27. Nxe1 Qe5+) 27... O-O-O { [%eval #-4] } 28. Nd2 { [%eval #-2] } 28... Ng6 { [%eval #-2] } 29. Nb3 { [%eval #-1] } 29... Rhe8# { Black wins by checkmate. } 0-1