[Event "20-05-21. Arena"] [Site "https://lichess.org/AKtYoPp7"] [Date "2021.05.20"] [Round "-"] [White "Mariano_68971"] [Black "Osbaldo68810"] [Result "1-0"] [GameId "AKtYoPp7"] [UTCDate "2021.05.20"] [UTCTime "18:05:53"] [WhiteElo "1349"] [BlackElo "1322"] [WhiteRatingDiff "+17"] [BlackRatingDiff "-14"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A00"] [Opening "Polish Opening: Grigorian Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. b4 { [%eval 0.0] } 1... Nc6 { [%eval 0.2] } { A00 Polish Opening: Grigorian Variation } 2. c3?! { (0.20 → -0.44) Inaccuracy. b5 was best. } { [%eval -0.44] } (2. b5 Na5 3. e3 e6 4. Nf3 d5 5. Be2 Nf6 6. O-O Bd6) 2... Nf6 { [%eval -0.36] } 3. d4 { [%eval -0.09] } 3... a6 { [%eval -0.05] } 4. Bg5 { [%eval -0.46] } 4... Ng4? { (-0.46 → 0.70) Mistake. e5 was best. } { [%eval 0.7] } (4... e5 5. e3) 5. e3 { [%eval 0.46] } 5... Nxe3?? { (0.46 → 4.40) Blunder. d5 was best. } { [%eval 4.4] } (5... d5 6. Nf3) 6. fxe3 { [%eval 3.77] } 6... b5?! { (3.77 → 5.02) Inaccuracy. h6 was best. } { [%eval 5.02] } (6... h6 7. Bf4) 7. Qf3 { [%eval 4.19] } 7... Bb7 { [%eval 4.41] } 8. g4? { (4.41 → 2.36) Mistake. e4 was best. } { [%eval 2.36] } (8. e4 f6 9. Be3 e6 10. Bd3 Be7 11. Ne2 a5 12. bxa5 Rxa5 13. Nd2 b4 14. O-O bxc3) 8... g6?! { (2.36 → 3.74) Inaccuracy. f6 was best. } { [%eval 3.74] } (8... f6 9. Bh4 a5 10. Bxb5 axb4 11. e4 e5 12. Ne2 bxc3 13. Bxc6 dxc6 14. Nbxc3 exd4 15. Rd1) 9. Nd2?! { (3.74 → 2.83) Inaccuracy. Bg2 was best. } { [%eval 2.83] } (9. Bg2 Bg7) 9... Rg8?? { (2.83 → 6.17) Blunder. Bg7 was best. } { [%eval 6.17] } (9... Bg7 10. Bg2 a5 11. Ne2 h6 12. Bh4 axb4 13. O-O O-O 14. Qh3 Ra3 15. Nb1 Ra7 16. cxb4) 10. O-O-O?? { (6.17 → 2.73) Blunder. Bg2 was best. } { [%eval 2.73] } (10. Bg2 a5 11. Ne2 axb4 12. Ne4 Qc8 13. O-O Nd8 14. cxb4 d6 15. N2g3 Bg7 16. a3 Rh8) 10... Ra7?! { (2.73 → 3.89) Inaccuracy. a5 was best. } { [%eval 3.89] } (10... a5 11. Bxb5) 11. Qf4?? { (3.89 → 1.23) Blunder. e4 was best. } { [%eval 1.23] } (11. e4 f6) 11... a5?! { (1.23 → 2.00) Inaccuracy. Nxb4 was best. } { [%eval 2.0] } (11... Nxb4 12. e4) 12. bxa5?? { (2.00 → -0.28) Blunder. d5 was best. } { [%eval -0.28] } (12. d5 h6) 12... Rxa5 { [%eval -0.03] } 13. d5?? { (-0.03 → -1.94) Blunder. Bg2 was best. } { [%eval -1.94] } (13. Bg2) 13... Na7?? { (-1.94 → 1.04) Blunder. Rxa2 was best. } { [%eval 1.04] } (13... Rxa2 14. dxc6 Bxc6 15. Nb1 f6 16. Qb4 e6 17. Qb3 Qa8 18. Bxf6 Bc5 19. Bd4 Ba3+ 20. Nxa3) 14. Qb4 { [%eval 0.52] } 14... Rxa2 { [%eval 0.96] } 15. Bxb5?? { (0.96 → -3.57) Blunder. Qb3 was best. } { [%eval -3.57] } (15. Qb3) 15... Ra1+?? { (-3.57 → 0.75) Blunder. Nxb5 was best. } { [%eval 0.75] } (15... Nxb5 16. Qxb5 Qa8 17. Ngf3 f6 18. e4 Bg7 19. Ne5 fxe5 20. Qb4 d6 21. Kb1 Qa6 22. c4) 16. Kb2?? { (0.75 → -4.65) Blunder. Kc2 was best. } { [%eval -4.65] } (16. Kc2) 16... Rxd1 { [%eval -4.71] } 17. Bf1? { (-4.71 → -8.97) Mistake. Kc2 was best. } { [%eval -8.97] } (17. Kc2 Ra1 18. Qb2 Ra5 19. Bxd7+ Qxd7 20. Qxb7 f6 21. Ngf3 fxg5 22. Nc4 Ra2+ 23. Kd3 c6) 17... Bxd5 { [%eval -7.64] } 18. e4 { [%eval -7.82] } 18... Rc1?? { (-7.82 → 2.88) Blunder. c5 was best. } { [%eval 2.88] } (18... c5 19. Qxc5 Qb8+ 20. Qb4 Qxb4+ 21. cxb4 Bxe4 22. Ngf3 Bg7+ 23. Kb3 Bd5+ 24. Kc2 Ra1 25. Bc4) 19. Kxc1 { [%eval 3.08] } 19... Bxe4? { (3.08 → 6.04) Mistake. Be6 was best. } { [%eval 6.04] } (19... Be6 20. Ngf3) 20. Qxe4 { [%eval 6.43] } 20... Nb5?! { (6.43 → 9.80) Inaccuracy. Nc8 was best. } { [%eval 9.8] } (20... Nc8) 21. Qb7?! { (9.80 → 6.03) Inaccuracy. Bxb5 was best. } { [%eval 6.03] } (21. Bxb5 h6) 21... Nxc3 { [%eval 8.03] } 22. Kc2 { [%eval 6.81] } 22... Nd5 { [%eval 8.31] } 23. Qxd5 { [%eval 8.32] } 23... d6? { (8.32 → Mate in 3) Checkmate is now unavoidable. e6 was best. } { [%eval #3] } (23... e6 24. Qa5) 24. Ba6?! { (Mate in 3 → 15.41) Lost forced checkmate sequence. Bb5+ was best. } { [%eval 15.41] } (24. Bb5+ c6 25. Qxc6+ Qd7 26. Qxd7#) 24... c5?! { (15.41 → Mate in 2) Checkmate is now unavoidable. Qb8 was best. } { [%eval #2] } (24... Qb8 25. Qc6+) 25. Qc6+ { [%eval #2] } 25... Qd7 { [%eval #2] } 26. Qa8+ { [%eval #1] } 26... Qd8 { [%eval #1] } 27. Bb5# { White wins by checkmate. } 1-0