lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/nRF5Q3Xz"] [Date "2020.10.26"] [Round "-"] [White "Artiom10"] [Black "Marta"] [Result "1-0"] [UTCDate "2020.10.26"] [UTCTime "17:17:03"] [WhiteElo "1148"] [BlackElo "1326"] [WhiteRatingDiff "+124"] [BlackRatingDiff "-104"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Nimzowitsch Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nc6?! { (0.12 → 0.72) Inaccuracy. Best move was e6. } { B00 Nimzowitsch Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. d3? { (0.72 → -0.60) Mistake. Best move was d4. } (2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 a6 6. Be3 Nge7) 2... Nd4? { (-0.60 → 1.10) Mistake. Best move was Nf6. } (2... Nf6 3. Nf3 e5 4. c4 Bc5 5. Be2 d6 6. O-O O-O 7. Nc3 h6 8. Nd5 a5 9. Be3) 3. c3 Nf3+?? { (0.95 → 5.80) Blunder. Best move was Nc6. } (3... Nc6 4. Nf3 e5 5. d4 d5 6. Nxe5 dxe4 7. Bb5 Bd7 8. Bxc6 bxc6 9. c4 Bd6 10. Bf4) 4. Ke2?? { (5.80 → -1.02) Blunder. Best move was Nxf3. } (4. Nxf3 d6 5. d4 Nf6 6. Bd3 g6 7. h3 Bg7 8. Be3 O-O 9. Nbd2 c6 10. O-O Qc7) 4... Nxg1+ 5. Rxg1 Nf6? { (-1.00 → 0.17) Mistake. Best move was e5. } (5... e5) 6. Kf3? { (0.17 → -2.36) Mistake. Best move was g4. } (6. g4 c6 7. Ke1 g6 8. f4 d6 9. g5 Nh5 10. Be2 Ng7 11. Nd2 e5 12. Nf3 exf4) 6... e5? { (-2.36 → -1.04) Mistake. Best move was d5. } (6... d5 7. Ke2 Qd6 8. Rh1 e5 9. Ke1 dxe4 10. dxe4 Qxd1+ 11. Kxd1 Nxe4 12. Be3 Be6 13. Kc2) 7. d4? { (-1.04 → -3.52) Mistake. Best move was g4. } (7. g4 d5) 7... Ng8?? { (-3.52 → 0.68) Blunder. Best move was d5. } (7... d5 8. Ke2) 8. dxe5 d5? { (0.13 → 2.36) Mistake. Best move was d6. } (8... d6 9. g3 Qd7 10. Kg2 h5 11. exd6 Bxd6 12. Be3 f5 13. e5 Bxe5 14. Bc4 h4 15. f4) 9. exd5? { (2.36 → 0.35) Mistake. Best move was Qxd5. } (9. Qxd5 Be6) 9... f5?? { (0.35 → 3.66) Blunder. Best move was Ne7. } (9... Ne7) 10. Kf4?? { (3.66 → -4.46) Blunder. Best move was g3. } (10. g3 Ne7) 10... Qxd5?? { (-4.46 → 14.90) Blunder. Best move was Qh4+. } (10... Qh4+) 11. Qxd5 Bd7 12. Qe4?? { (17.36 → 0.00) Blunder. Best move was Qxb7. } (12. Qxb7 Rd8 13. Bc4 Ne7 14. Kg3 a5 15. e6 Bc6 16. Qxc7 h6 17. Qe5 Rh7 18. h4 g6) 12... Be6?? { (0.00 → 17.31) Blunder. Best move was fxe4. } (12... fxe4 13. Bc4 Nh6 14. Kg3 Nf5+ 15. Kf4) 13. Qxb7 Bd7 14. Qxa8+ Bc8?! { (28.62 → Mate in 4) Checkmate is now unavoidable. Best move was Ke7. } (14... Ke7 15. Kg3) 15. Qxc8+ Kf7 16. Qxc7+?! { (Mate in 3 → 37.46) Lost forced checkmate sequence. Best move was Bc4+. } (16. Bc4+ Kg6 17. Qxf5+ Kh6 18. Qg5#) 16... Kg6?! { (37.46 → Mate in 7) Checkmate is now unavoidable. Best move was Ne7. } (16... Ne7 17. Qxa7) 17. Qd6+?! { (Mate in 7 → 19.87) Lost forced checkmate sequence. Best move was Qc8. } (17. Qc8 Nf6 18. Bc4 Nh5+ 19. Kf3 h6 20. g4 Ng3 21. gxf5+ Kh7 22. Qe6 Nxf5 23. Qg6#) 17... Kh5?! { (19.87 → Mate in 6) Checkmate is now unavoidable. Best move was Bxd6. } (17... Bxd6 18. exd6 Nh6 19. Be3 Rd8 20. Bxa7 Rxd6 21. Bd4 Rd7 22. Nd2 Re7 23. f3 Rb7 24. Bd3) 18. Qd1+ Kg6 19. Qd6+?! { (Mate in 8 → 19.70) Lost forced checkmate sequence. Best move was g4. } (19. g4 Be7 20. gxf5+ Kh6 21. f6 Bxf6 22. exf6 Nxf6 23. Kf5+ g5 24. Rxg5 Ng4 25. Rxg4+ Kh5) 19... Kh5?! { (19.70 → Mate in 6) Checkmate is now unavoidable. Best move was Bxd6. } (19... Bxd6 20. exd6 Nh6 21. Be3 Rd8 22. Bxa7 Rxd6 23. Bd4 Rd7 24. Nd2 Re7 25. Bd3 Kh5 26. h3) 20. Be3?! { (Mate in 6 → 21.18) Lost forced checkmate sequence. Best move was Be2+. } (20. Be2+ Kh4 21. Qxf8 Nf6 22. Qxg7 Nh5+ 23. Bxh5 h6 24. Be2 Rf8 25. Qxh6#) 20... Bxd6 21. Bc5 Bxc5 22. Na3?! { (10.06 → 9.03) Inaccuracy. Best move was Be2+. } (22. Be2+ Kg6 23. Rf1 Ne7 24. Nd2 Kh6 25. Kg3 g5 26. Rad1 Ng6 27. Nc4 Bb6 28. Bd3 Rf8) 22... Bxf2?! { (9.03 → 10.25) Inaccuracy. Best move was Ne7. } (22... Ne7 23. Nc4) 23. Rh1? { (10.25 → 8.87) Mistake. Best move was Be2+. } (23. Be2+ Kg6 24. Rgd1 Ne7 25. Rd7 Nc8 26. Rc7 Kh6 27. Kxf5 Bb6 28. Rb7 Bc5 29. b4 Rf8+) 23... Be3+? { (8.87 → 14.28) Mistake. Best move was Ne7. } (23... Ne7 24. Be2+) 24. Kxe3 Kg4 25. c4 f4+ 26. Ke4 f3 27. gxf3+ Kh5 28. c5 Nh6 29. c6 Nf5 30. Kxf5 h6 31. c7 Rc8 32. Nb5 Rxc7?! { (25.07 → Mate in 5) Checkmate is now unavoidable. Best move was g5. } (32... g5 33. Rc1) 33. Nxc7 g5 34. e6?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was h4. } (34. h4 gxh4 35. f4 a5 36. Be2#) 34... g4 35. fxg4+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was h4. } (35. h4 gxf3 36. e7 f2 37. e8=Q#) 35... Kh4 36. e7 h5 37. e8=Q hxg4 38. Qg6?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qh8#. } (38. Qh8#) 38... g3 39. hxg3# { White wins by checkmate. } 1-0