lichess dev

[Event "Filip Arena"] [Site "http://chess-academy.net/70u8zdX9"] [Date "2021.02.04"] [Round "-"] [White "Stefansah"] [Black "CostelStina32"] [Result "0-1"] [UTCDate "2021.02.04"] [UTCTime "17:57:50"] [WhiteElo "1143"] [BlackElo "1924"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+0"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 e6 { A40 Horwitz Defense } 2. e3 Nc6?! { (0.02 → 0.87) Inaccuracy. Best move was d5. } (2... d5 3. Nf3 Nf6 4. Bd3 Be7 5. O-O O-O 6. b3 c5 7. Bb2) 3. c3?! { (0.87 → 0.04) Inaccuracy. Best move was Nf3. } (3. Nf3) 3... Nf6?! { (0.04 → 0.67) Inaccuracy. Best move was d5. } (3... d5 4. Nf3) 4. f4? { (0.67 → -0.53) Mistake. Best move was Nf3. } (4. Nf3 d5 5. c4 Bd6 6. Be2 O-O 7. O-O b6 8. b3 Bb7 9. Nc3 a6 10. cxd5 exd5) 4... Be7? { (-0.53 → 0.62) Mistake. Best move was d5. } (4... d5 5. Nf3 Bd6 6. Bd3 O-O 7. Nbd2 Ne7 8. Ne5 b6 9. g4 Bb7 10. Qf3 Ne4 11. Nxe4) 5. g3?! { (0.62 → -0.35) Inaccuracy. Best move was Bd3. } (5. Bd3) 5... O-O 6. h4? { (0.13 → -1.88) Mistake. Best move was Nd2. } (6. Nd2 d5 7. Bg2 b6 8. e4 dxe4 9. Nxe4 Bb7 10. Nxf6+ Bxf6 11. Be3 Qc8 12. Nf3 Ne7) 6... b6? { (-1.88 → -0.23) Mistake. Best move was d6. } (6... d6 7. Bg2 e5 8. Ne2 Bg4 9. Nd2 Nh5 10. Kf2 Nf6 11. dxe5 dxe5 12. Ne4 Qc8 13. Qd3) 7. b4? { (-0.23 → -1.81) Mistake. Best move was Nd2. } (7. Nd2 Bb7) 7... Bb7?! { (-1.81 → -1.12) Inaccuracy. Best move was Ne4. } (7... Ne4 8. Bg2) 8. a3? { (-1.12 → -3.74) Mistake. Best move was Bg2. } (8. Bg2 Qc8 9. e4 a5 10. e5 Ne8 11. d5 exd5 12. b5 Nd8 13. Nf3 f6 14. O-O Bc5+) 8... Nb8? { (-3.74 → -1.13) Mistake. Best move was Nxd4. } (8... Nxd4 9. Rh3 Nf5 10. g4 Ne4 11. Nf3 Nxh4 12. g5 Nf5 13. Nd4 Bxg5 14. fxg5 Nxg5 15. Qg4) 9. Rh3? { (-1.13 → -2.15) Mistake. Best move was Nf3. } (9. Nf3 a5 10. b5 c6 11. bxc6 Nxc6 12. Bd3 d5 13. Nbd2 Na7 14. a4 Nc8 15. Ne5 Nd6) 9... Nc6? { (-2.15 → -0.25) Mistake. Best move was a5. } (9... a5 10. b5) 10. Rh1?? { (-0.25 → -3.62) Blunder. Best move was g4. } (10. g4 a5 11. g5 Ne4 12. b5 Na7 13. Qc2 Nc8 14. Nf3 d5 15. Nbd2 Ncd6 16. Nxe4 Nxe4) 10... Nxb4? { (-3.62 → -2.52) Mistake. Best move was Nxd4. } (10... Nxd4 11. Rh3) 11. axb4? { (-2.52 → -5.20) Mistake. Best move was Rh2. } (11. Rh2) 11... Bxh1 12. Ba6?! { (-4.82 → -5.58) Inaccuracy. Best move was g4. } (12. g4 a5 13. b5 c5 14. bxc6 Bxc6 15. g5 Ne4 16. Bd3 b5 17. Nf3 f5 18. Ne5 Qc7) 12... Nd5? { (-5.58 → -3.86) Mistake. Best move was Ne4. } (12... Ne4 13. Nd2) 13. Qe2?! { (-3.86 → -4.78) Inaccuracy. Best move was Nf3. } (13. Nf3 c5) 13... Nxc3?? { (-4.78 → -0.69) Blunder. Best move was c5. } (13... c5 14. bxc5) 14. Nxc3 Bxb4 15. Qc2? { (-0.66 → -1.77) Mistake. Best move was Bb2. } (15. Bb2) 15... Be4?! { (-1.77 → -1.01) Inaccuracy. Best move was c5. } (15... c5) 16. Qxe4?? { (-1.01 → -4.70) Blunder. Best move was Qb3. } (16. Qb3) 16... Bxc3+ 17. Ke2? { (-4.55 → -6.86) Mistake. Best move was Bd2. } (17. Bd2 Bxa1) 17... Bxa1 18. Bb7? { (-6.31 → -8.77) Mistake. Best move was Qd3. } (18. Qd3 Qe7) 18... Rb8 19. g4 d5 20. Qe5?! { (-9.02 → -12.24) Inaccuracy. Best move was Qb1. } (20. Qb1 Bc3 21. Bc6 Qxh4 22. Ba3 Qh2+ 23. Kf1 Qd2 24. Bxf8 Rxf8 25. Nf3 Qxe3 26. Qd1 Qxf4) 20... Rxb7 21. f5 c5 22. fxe6 fxe6 23. Qxe6+ Kh8 24. Qe5 Qxh4 25. Qxd5?! { (-63.11 → Mate in 24) Checkmate is now unavoidable. Best move was Kd1. } (25. Kd1 Rbf7 26. Kc2 Qxg4 27. Qxd5 Rf2+ 28. Kb1 Qxg1 29. Qc4 Rf1 30. Qc2 Qxe3 31. dxc5 Qxc1+) 25... Qxg4+ 26. Kd3?! { (-74.34 → Mate in 8) Checkmate is now unavoidable. Best move was Nf3. } (26. Nf3 Rbf7) 26... Qd1+ 27. Kc4 Qc2+?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was b5+. } (27... b5+ 28. Kxc5 Qxc1+ 29. Qc4 Qxc4+ 30. Kd6 Rf6+ 31. Ke5 Re7#) 28. Kb5 Qb1+ 29. Kc4 b5+ 30. Kxc5 Qxc1+ 31. Kd6 Rd8+?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qc7+. } (31... Qc7+ 32. Ke6 Rf6#) 32. Ke5 Re7+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Qxe3+. } (32... Qxe3+ 33. Kf5 Rxd5+ 34. Kg4 Rxd4+ 35. Kh5 g6#) 33. Kf5 Qf1+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Rxd5+. } (33... Rxd5+ 34. Kg4 Qxg1+ 35. Kh4 Re4+ 36. Kh3 Rh5#) 34. Kg4 Rxd5 35. Nf3 Re4+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Rxe3. } (35... Rxe3 36. Kg3 Rxf3+ 37. Kh2 Rh3#) 36. Kg3 Rf5 37. Nh4 Qf2+ 38. Kh3 Rxh4# { Black wins by checkmate. } 0-1