lichess dev

[Event "Alehin Arena"] [Site "http://chess-academy.net/ECIetWIQ"] [Date "2020.07.15"] [Round "-"] [White "sirbumaria"] [Black "StefanP"] [Result "1-0"] [UTCDate "2020.07.15"] [UTCTime "16:57:58"] [WhiteElo "1597"] [BlackElo "1554"] [WhiteRatingDiff "+17"] [BlackRatingDiff "-12"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e5 2. Nh3? { (0.41 → -0.95) Mistake. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... Qh4? { (-0.95 → 0.59) Mistake. Best move was d5. } (2... d5 3. d4 Nc6 4. Nc3 Bb4 5. dxe5 Bxh3 6. gxh3 Nxe5 7. Bd2 Nf6 8. a3 Bc5 9. f4) 3. g3?! { (0.59 → -0.05) Inaccuracy. Best move was d4. } (3. d4 d6) 3... Qe4?! { (-0.05 → 0.83) Inaccuracy. Best move was Qe7. } (3... Qe7) 4. Rg1?! { (0.83 → -0.13) Inaccuracy. Best move was f3. } (4. f3) 4... d6?! { (-0.13 → 0.69) Inaccuracy. Best move was Qb4. } (4... Qb4 5. Nc3 Nf6 6. d4 exd4 7. exd4 Be7 8. g4 Ne4 9. a3 Qa5 10. Bd2 Nxd2 11. Qxd2) 5. Ng5? { (0.69 → -0.72) Mistake. Best move was Nc3. } (5. Nc3 Qb4) 5... Qb4? { (-0.72 → 0.56) Mistake. Best move was Qg6. } (5... Qg6 6. f4) 6. Qf3? { (0.56 → -0.67) Mistake. Best move was a3. } (6. a3 Qg4 7. Qxg4 Bxg4 8. h3 Bh5 9. Nc3 Be7 10. g4 Bg6 11. Nge4 h5 12. d3 c6) 6... h5?? { (-0.67 → 21.94) Blunder. Best move was Nf6. } (6... Nf6) 7. Qxf7+ Kd8 8. Bc4?? { (20.41 → 2.06) Blunder. Best move was Qxf8+. } (8. Qxf8+ Kd7 9. Nc3 Ne7 10. Qxh8 e4 11. Bh3+ Kc6 12. Bxc8 Kb6 13. Be6 d5 14. Bxd5 Qa5) 8... Na6?? { (2.06 → 16.07) Blunder. Best move was Nh6. } (8... Nh6 9. Ne6+) 9. a3 Qc5 10. b4 Qc6?! { (10.70 → Mate in 5) Checkmate is now unavoidable. Best move was Qxc4. } (10... Qxc4) 11. b5? { (Mate in 5 → 8.13) Lost forced checkmate sequence. Best move was Qxf8+. } (11. Qxf8+ Qe8 12. Nf7+ Kd7 13. Bb5+ Ke6 14. Ng5+ Kd5 15. Nc3#) 11... Qc5? { (8.13 → Mate in 2) Checkmate is now unavoidable. Best move was Qe8. } (11... Qe8 12. bxa6 Rb8 13. axb7 Bd7 14. Qd5 Nh6 15. Qa5 Rxb7 16. Nc3 Qg6 17. f4 Be7 18. Bd5) 12. bxa6?! { (Mate in 2 → 15.30) Lost forced checkmate sequence. Best move was Qxf8+. } (12. Qxf8+ Kd7 13. Be6#) 12... bxa6 13. Nc3? { (19.13 → 7.48) Mistake. Best move was Qxf8+. } (13. Qxf8+) 13... Nh6 14. Qf3?! { (7.55 → 6.97) Inaccuracy. Best move was Ne6+. } (14. Ne6+) 14... Qxc4?! { (6.97 → 7.48) Inaccuracy. Best move was Rb8. } (14... Rb8 15. Ne6+ Bxe6 16. Bxe6 Ng4 17. a4 Nf6 18. Ba3 e4 19. Qxf6+ gxf6 20. Bxc5 dxc5 21. Ke2) 15. Qxa8 d5? { (7.16 → 8.43) Mistake. Best move was Be7. } (15... Be7) 16. d3?? { (8.43 → -1.76) Blunder. Best move was Nxd5. } (16. Nxd5) 16... Qxc3+ 17. Kd1? { (-0.49 → -2.32) Mistake. Best move was Ke2. } (17. Ke2 Qxa1 18. Qxd5+ Bd6 19. Qb3 e4 20. Nxe4 Qe5 21. Bb2 Qf5 22. Nxd6 cxd6 23. e4 Qg4+) 17... Qxa1 18. Qxd5+ Bd7? { (-2.31 → -1.04) Mistake. Best move was Bd6. } (18... Bd6 19. Qb3 Rf8 20. Ke2 a5 21. f3 a4 22. Qxa4 Qa2 23. h4 Nf7 24. Ne4 Be7 25. Qb3) 19. Qa8+? { (-1.04 → -2.46) Mistake. Best move was Ne6+. } (19. Ne6+) 19... Bc8 20. Qd5+ Bd7? { (-2.37 → -1.20) Mistake. Best move was Bd6. } (20... Bd6 21. Qb3) 21. Ne6+ Kc8?? { (-1.68 → Mate in 1) Checkmate is now unavoidable. Best move was Ke7. } (21... Ke7) 22. c4?? { (Mate in 1 → -7.83) Lost forced checkmate sequence. Best move was Qa8#. } (22. Qa8#) 22... Bxa3?? { (-7.83 → Mate in 1) Checkmate is now unavoidable. Best move was c6. } (22... c6 23. Qa5 Bxe6 24. Qxa6+ Kd8 25. Qxa7 e4 26. Qb6+ Ke7 27. dxe4 Ng4 28. Rg2 Kf7 29. Qb2) 23. Qa8# { White wins by checkmate. } 1-0