lichess dev

[Event "Zugzwang Arena"] [Site "http://chess-academy.net/eqVgkpHS"] [Date "2020.09.03"] [Round "-"] [White "IR"] [Black "cosmac"] [Result "1-0"] [UTCDate "2020.09.03"] [UTCTime "16:00:52"] [WhiteElo "1546"] [BlackElo "1117"] [WhiteRatingDiff "+14"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game #2"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. e3?! { (0.53 → 0.02) Inaccuracy. Best move was c4. } { D00 Queen's Pawn Game #2 } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... e6 3. Qg4? { (0.24 → -0.87) Mistake. Best move was Nf3. } (3. Nf3 Nf6 4. c4 Bd6 5. Nc3 O-O 6. Bd3 dxc4 7. Bxc4 c5) 3... e5?! { (-0.87 → -0.05) Inaccuracy. Best move was c5. } (3... c5 4. Qd1 Nf6 5. Nf3 Bd6 6. c4 O-O 7. dxc5 Bxc5 8. cxd5 exd5 9. Be2 Nc6 10. O-O) 4. Qg3?! { (-0.05 → -0.66) Inaccuracy. Best move was Qd1. } (4. Qd1) 4... f5?? { (-0.66 → 2.46) Blunder. Best move was exd4. } (4... exd4 5. exd4 Nc6 6. Bb5 Ne7 7. Qe3 Be6 8. Nf3 a6 9. Bd3 Nb4 10. O-O Nxd3 11. Qxd3) 5. Qxe5+? { (2.46 → 1.13) Mistake. Best move was dxe5. } (5. dxe5) 5... Be7? { (1.13 → 3.24) Mistake. Best move was Kf7. } (5... Kf7 6. Nf3 Nc6 7. Qf4 g6 8. Nc3 Bh6 9. Qg3 Nf6 10. Bd2 Nh5 11. Qh4 f4 12. Qxd8) 6. Qxg7 Bf6 7. Qg3 Be6 8. Qg6+?? { (3.25 → -11.40) Blunder. Best move was Ne2. } (8. Ne2 Nc6) 8... Bf7?? { (-11.40 → 3.62) Blunder. Best move was hxg6. } (8... hxg6 9. Nc3 Nc6 10. Nge2 g5 11. Bd2 Be7 12. g3 Nf6 13. f3 Bf7 14. Bg2 O-O 15. h4) 9. Qxf5 Ne7?? { (3.42 → 8.76) Blunder. Best move was Nc6. } (9... Nc6 10. Bd2) 10. Qxf6 Ng8? { (8.35 → 15.31) Mistake. Best move was Rf8. } (10... Rf8) 11. Qxh8 Ke7 12. Qxh7 Qf8 13. Qf5 Ke8 14. Bb5+ Kd8 15. Bd2 Nc6 16. a3 Be6 17. Qxf8+ Kd7 18. Qxa8 Bg4?! { (43.18 → Mate in 11) Checkmate is now unavoidable. Best move was Bf7. } (18... Bf7) 19. Qxg8 Kd6?! { (50.10 → Mate in 5) Checkmate is now unavoidable. Best move was Be6. } (19... Be6 20. Qf8) 20. Qxg4?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Qf7. } (20. Qf7 a5 21. Bxa5 b6 22. Bb4+ Nxb4 23. Qf6+ Be6 24. Qf8#) 20... Na5 21. Bxa5?! { (Mate in 1 → Mate in 4) Not the best checkmate sequence. Best move was Qd7#. } (21. Qd7#) 21... b6 22. Nf3?! { (Mate in 1 → Mate in 4) Not the best checkmate sequence. Best move was Qd7#. } (22. Qd7#) 22... bxa5 23. O-O?! { (Mate in 1 → Mate in 4) Not the best checkmate sequence. Best move was Qd7#. } (23. Qd7#) 23... c6 24. Ba6?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Ne5. } (24. Ne5 Ke7 25. Qg7+ Ke6 26. Qf7+ Kd6 27. Qd7#) 24... c5 25. dxc5+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qg7. } (25. Qg7 c4 26. Ne5 Ke6 27. Bc8+ Kd6 28. Qd7#) 25... Kxc5 26. Qd4+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qd7. } (26. Qd7 d4 27. exd4+ Kb6 28. Qd6#) 26... Kd6 27. Ne5?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qf6+. } (27. Qf6+ Kc7 28. Qe7+ Kc6 29. Nd4+ Kb6 30. Qd6#) 27... Ke6 28. Bc8+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was f4. } (28. f4 Kf6 29. Qxa7 Ke6 30. Qd7+ Kf6 31. Qf7#) 28... Kd6 29. Nc3?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qxa7. } (29. Qxa7 d4 30. Qd7+ Kxe5 31. Qxd4#) 29... Kc7 30. Qxa7+ Kxc8 31. Rfd1?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Nxd5. } (31. Nxd5 a4 32. Qc7#) 31... Kd8 32. Rxd5+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qd7#. } (32. Qd7#) 32... Ke8 33. Rxa5?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qf7#. } (33. Qf7#) 33... Kd8 34. Qg7?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qd7#. } (34. Qd7#) 34... Ke8 35. Ra8# { White wins by checkmate. } 1-0