lichess dev

[Event "lion26 Arena"] [Site "http://chess-academy.net/IYUAZMhn"] [Date "2022.07.05"] [Round "-"] [White "Mariaj"] [Black "David2"] [Result "0-1"] [UTCDate "2022.07.05"] [UTCTime "14:26:00"] [WhiteElo "1434"] [BlackElo "1346"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+144"] [Variant "Standard"] [TimeControl "300+0"] [ECO "C42"] [Opening "Russian Game: Three Knights Game"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nf6?! { (0.22 → 0.73) Inaccuracy. Best move was Nc6. } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. Nc3?! { (0.73 → 0.09) Inaccuracy. Best move was Nxe5. } { C42 Russian Game: Three Knights Game } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6) 3... d5?! { (0.09 → 0.93) Inaccuracy. Best move was Nc6. } (3... Nc6 4. Bb5 Bb4 5. O-O O-O 6. Bxc6 dxc6 7. Nxe5 Re8 8. Nf3) 4. exd5 Nxd5?! { (0.50 → 1.27) Inaccuracy. Best move was Bd6. } (4... Bd6 5. Bb5+) 5. Nxd5? { (1.27 → -0.14) Mistake. Best move was Nxe5. } (5. Nxe5) 5... Qxd5 6. b3? { (0.29 → -0.71) Mistake. Best move was d4. } (6. d4 Nc6 7. Be3 exd4 8. Nxd4 Be6 9. Nxe6 Qxe6 10. Bb5 a6 11. Bxc6+ Qxc6 12. Qd4 Rd8) 6... Bg4?! { (-0.71 → 0.13) Inaccuracy. Best move was Nc6. } (6... Nc6 7. Bc4 Qe4+ 8. Qe2 Qxe2+ 9. Bxe2 Nb4 10. Bd1 Bf5 11. d3 f6 12. O-O O-O-O 13. a3) 7. c4? { (0.13 → -1.29) Mistake. Best move was Bc4. } (7. Bc4 Qe4+ 8. Qe2 Qxe2+ 9. Bxe2 Nc6 10. Bb2 Bd6 11. h3 Bf5 12. O-O-O O-O-O 13. d4 e4) 7... Qe6 8. h3?! { (-0.97 → -1.80) Inaccuracy. Best move was Be2. } (8. Be2 Nc6 9. O-O h5 10. d4 exd4 11. h3 Bxf3 12. Bxf3 O-O-O 13. Re1 Qf6 14. a3 d3) 8... Bxf3?! { (-1.80 → -0.83) Inaccuracy. Best move was Bf5. } (8... Bf5 9. Nh4 Bc5 10. Nxf5 Qxf5 11. Qf3 Qxf3 12. gxf3 Nc6 13. Bb2 O-O-O 14. O-O-O Bxf2 15. h4) 9. gxf3? { (-0.83 → -2.67) Mistake. Best move was Qxf3. } (9. Qxf3) 9... Nc6 10. b4? { (-2.23 → -4.05) Mistake. Best move was Bg2. } (10. Bg2 O-O-O 11. O-O Rd3 12. Qe2 Qg6 13. Bb2 Bb4 14. Qe4 Rxd2 15. Qxg6 hxg6 16. Rab1 Bc5) 10... Nxb4? { (-4.05 → -2.98) Mistake. Best move was Bxb4. } (10... Bxb4 11. a3 Bc5 12. d3 O-O-O 13. Be3 Nd4 14. Rb1 b6 15. h4 Kb8 16. Bg2 Qg6 17. Kf1) 11. Qa4+ c6 12. Qxb4?? { (-2.83 → -11.35) Blunder. Best move was Rb1. } (12. Rb1 a5) 12... Bxb4 13. Bd3 O-O-O 14. Bf5 Qxf5 15. Rg1 b5 16. Rb1?! { (-20.11 → Mate in 11) Checkmate is now unavoidable. Best move was Rg4. } (16. Rg4 Qxf3) 16... a5?! { (Mate in 11 → -21.66) Lost forced checkmate sequence. Best move was Qxb1. } (16... Qxb1 17. Kf1 Qxc1+ 18. Kg2 Qxc4 19. Rd1 Qc2 20. Rf1 Rxd2 21. h4 Bc5 22. Kh3 Qf5+ 23. Kg2) 17. a4?! { (-21.66 → Mate in 11) Checkmate is now unavoidable. Best move was Rxb4. } (17. Rxb4 axb4) 17... bxc4?! { (Mate in 11 → -28.10) Lost forced checkmate sequence. Best move was Qxb1. } (17... Qxb1 18. Kf1 Qxc1+ 19. Kg2 Qxc4 20. d4 Rxd4 21. axb5 Rd2 22. b6 Qh4 23. Rf1 Bc5 24. b7+) 18. Ra1 Rhe8 19. Ba3 Bxd2+ 20. Ke2?! { (-30.07 → Mate in 3) Checkmate is now unavoidable. Best move was Kf1. } (20. Kf1 Qxh3+) 20... e4?! { (Mate in 3 → Mate in 8) Not the best checkmate sequence. Best move was Qd3+. } (20... Qd3+ 21. Kd1 Qxf3+ 22. Kc2 Qb3#) 21. fxe4 Rxe4+ 22. Kd1 Qxf2?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qf3+. } (22... Qf3+ 23. Kc2 Qb3#) 23. Rxg7 Qf1+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Bf4+. } (23... Bf4+ 24. Bd6 Rxd6#) 24. Kc2 Qxa1?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qd3+. } (24... Qd3+ 25. Kd1 Bf4#) 25. Be7 Qa2+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qc1#. } (25... Qc1#) 26. Kd1 Rxe7?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qxa4#. } (26... Qxa4#) 27. Rxh7 Bb4+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Bf4#. } (27... Bf4#) 28. Kc1 Re1# { Black wins by checkmate. } 0-1