lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/vfnZtABi"] [Date "2020.12.20"] [Round "-"] [White "TibiMat"] [Black "Nicolas9"] [Result "1-0"] [UTCDate "2020.12.20"] [UTCTime "17:34:50"] [WhiteElo "1409"] [BlackElo "1373"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Mieses-Kotroc Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d5?! { (0.12 → 0.81) Inaccuracy. Best move was e6. } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. Qf3? { (0.89 → -0.42) Mistake. Best move was Nf3. } (3. Nf3 Qd8 4. d4 Nf6 5. Bd3 e6 6. Nc3 c5 7. dxc5 Bxc5) 3... Qe5+?! { (-0.42 → 0.11) Inaccuracy. Best move was Nf6. } (3... Nf6 4. Nc3) 4. Be2 g5? { (-0.29 → 1.12) Mistake. Best move was Nc6. } (4... Nc6) 5. d4 Qxd4 6. Bxg5?? { (1.05 → -4.36) Blunder. Best move was Nc3. } (6. Nc3 Bg7 7. Bxg5 Nc6 8. Bb5 Bd7 9. Nge2 Qg4 10. Qxg4 Bxg4 11. O-O-O Bd7 12. Bc4 e6) 6... f6?? { (-4.36 → 3.77) Blunder. Best move was Qxb2. } (6... Qxb2 7. Bc4) 7. Bh4?? { (3.77 → -3.49) Blunder. Best move was Nc3. } (7. Nc3 Qg4 8. Qd5 Qe6 9. O-O-O Kf7 10. Qd4 Nc6 11. Qh4 Ne5 12. Nf3 Ng6 13. Qa4 Qb6) 7... Qxh4 8. g3?! { (-3.06 → -4.02) Inaccuracy. Best move was Nc3. } (8. Nc3 c6) 8... Qb4+ 9. c3?? { (-3.59 → -8.08) Blunder. Best move was Nc3. } (9. Nc3 Bh6 10. Rd1 Nc6 11. Bb5 Kf7 12. Bxc6 bxc6 13. a3 Qg4 14. Qxc6 Qe6+ 15. Qxe6+ Bxe6) 9... Qxb2 10. Qh5+? { (-7.91 → -10.84) Mistake. Best move was Qd5. } (10. Qd5 Bd7 11. Nf3 Nc6 12. Qb3 Qxa1 13. O-O Na5 14. Qa3 b6 15. Nbd2 e5 16. Qxf8+ Kxf8) 10... Kd7?? { (-10.84 → Mate in 2) Checkmate is now unavoidable. Best move was Kd8. } (10... Kd8) 11. Bb5+?? { (Mate in 2 → -11.39) Lost forced checkmate sequence. Best move was Qd5+. } (11. Qd5+ Ke8 12. Bh5#) 11... c6 12. Bc4 Qxa1 13. Qg4+ Kd6 14. Qxc8 Qxb1+ 15. Ke2 Qxa2+?? { (-15.25 → 14.44) Blunder. Best move was Qe4+. } (15... Qe4+ 16. Kf1 Qxc4+ 17. Kg2 Qf7 18. Qxb7 Qd5+ 19. Nf3 c5 20. Rd1 Qxd1 21. Qxa8 Nd7 22. Qxa7) 16. Bxa2 c5?! { (13.78 → Mate in 7) Checkmate is now unavoidable. Best move was Nd7. } (16... Nd7 17. Qxa8) 17. Qe6+? { (Mate in 7 → 8.02) Lost forced checkmate sequence. Best move was Be6. } (17. Be6 c4 18. Nf3 Nc6 19. Qd7+ Kc5 20. Qd5+ Kb6 21. Rb1+ Nb4 22. Rxb4+ Ka6 23. Qb5#) 17... Kc7 18. Nf3 Nh6?? { (4.92 → 9.82) Blunder. Best move was Nc6. } (18... Nc6 19. Nd2) 19. Rd1 Ng4?! { (9.25 → 14.09) Inaccuracy. Best move was Nf7. } (19... Nf7 20. Qxf7) 20. Qxg4 f5?! { (12.85 → Mate in 8) Checkmate is now unavoidable. Best move was Bh6. } (20... Bh6 21. Qe6) 21. Qxf5 Bh6 22. Qe5+ Kc6 23. Qxh8?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was Qe6+. } (23. Qe6+ Kc7 24. Qxe7+ Kc6 25. Bd5+ Kb6 26. Qxb7+ Ka5 27. Ra1#) 23... c4 24. Qc8+ Kb6 25. Qxc4?! { (Mate in 3 → Mate in 8) Not the best checkmate sequence. Best move was Rb1+. } (25. Rb1+ Ka5 26. Qc5+ Ka4 27. Qb4#) 25... Na6 26. Qe6+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Rb1+. } (26. Rb1+ Nb4 27. Rxb4+ Ka5 28. Qb5#) 26... Ka5 27. Qxh6?! { (Mate in 4 → Mate in 18) Not the best checkmate sequence. Best move was Ra1. } (27. Ra1 Nc5 28. Bc4+ Na4 29. Nd4 a6 30. Nb3#) 27... e5 28. Rd5+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Bc4. } (28. Bc4 Nc5 29. Ra1+ Na4 30. Nd2 Rb8 31. Nb3#) 28... b5 29. c4?! { (Mate in 4 → Mate in 7) Not the best checkmate sequence. Best move was Nd2. } (29. Nd2 Nc7 30. Qd6 Nxd5 31. Nb3+ Ka4 32. Qa6#) 29... Rb8 30. Qd6 Rb6 31. Qxe5?! { (Mate in 1 → Mate in 6) Not the best checkmate sequence. Best move was Qa3#. } (31. Qa3#) 31... Nb4 32. Rxb5+ Ka4 33. Ra5# { White wins by checkmate. } 1-0