lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/7sur8J44"] [Date "2020.11.20"] [Round "-"] [White "dragutraisa"] [Black "FRoman"] [Result "1-0"] [UTCDate "2020.11.20"] [UTCTime "17:42:02"] [WhiteElo "2216"] [BlackElo "1751"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-2"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A04"] [Opening "Zukertort Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nf3 Nf6?! { (-0.02 → 0.59) Inaccuracy. Best move was e6. } (1... e6 2. c4 Nf6 3. d4 b6 4. a3 Bb7 5. Nc3 d5 6. Bf4) 2. Nc3? { (0.59 → -0.42) Mistake. Best move was d4. } (2. d4 e6 3. c4 h6 4. Bf4 d5 5. e3 c5 6. Nc3 cxd4) 2... Nc6?! { (-0.42 → 0.33) Inaccuracy. Best move was d5. } { A04 Zukertort Opening } (2... d5 3. e3) 3. d4 d5 4. g3 Bf5 5. a3?! { (0.40 → -0.54) Inaccuracy. Best move was Nh4. } (5. Nh4 Bg6 6. Nxg6 hxg6 7. h4 e6 8. Bg2 Qd7 9. a3 O-O-O 10. O-O Kb8 11. Qd3 Ng4) 5... e6?! { (-0.54 → 0.13) Inaccuracy. Best move was Ne4. } (5... Ne4 6. Nxe4) 6. Bg2?! { (0.13 → -0.43) Inaccuracy. Best move was Nh4. } (6. Nh4 Bg4 7. h3 Bh5 8. Bg2 h6 9. g4 Nd7 10. gxh5 Qxh4 11. e4 O-O-O 12. exd5 Nxd4) 6... Bd6? { (-0.43 → 0.79) Mistake. Best move was Ne4. } (6... Ne4 7. O-O Nxc3 8. bxc3 Be4 9. Ne5 Bxg2 10. Kxg2 Nxe5 11. dxe5 c6 12. Be3 Qc7 13. c4) 7. Nh4 Bg4 8. h3 g5?? { (0.15 → 3.82) Blunder. Best move was Bh5. } (8... Bh5) 9. Bxg5? { (3.82 → 2.06) Mistake. Best move was hxg4. } (9. hxg4 gxh4 10. Rxh4 Qe7 11. g5 Nd7 12. Kf1 O-O-O 13. e4 dxe4 14. Nxe4 Nb6 15. c3 Kb8) 9... h6?? { (2.06 → 5.84) Blunder. Best move was Bh5. } (9... Bh5 10. Qd2) 10. Bxf6 Qxf6 11. hxg4 Nxd4 12. e3? { (5.68 → 4.52) Mistake. Best move was e4. } (12. e4 O-O-O 13. exd5 exd5 14. Nxd5 Qe6+ 15. Kf1 Bc5 16. b4 Rxd5 17. bxc5 Qa6+ 18. Qd3 Qxd3+) 12... Nc6 13. Nf3?! { (4.89 → 3.90) Inaccuracy. Best move was e4. } (13. e4 d4) 13... O-O-O 14. Qd3?! { (4.36 → 3.78) Inaccuracy. Best move was Qe2. } (14. Qe2 Qg7) 14... Na5?! { (3.78 → 4.68) Inaccuracy. Best move was Rhg8. } (14... Rhg8 15. Rh4 a6 16. O-O-O Kb8 17. Kb1 Bf8 18. Ka1 Bg7 19. Rdh1 Qe7 20. Nd2 Qd6 21. f4) 15. Qd4 Qe7? { (4.45 → 6.92) Mistake. Best move was Qxd4. } (15... Qxd4 16. exd4) 16. Qxa7 Nc4? { (6.03 → 8.11) Mistake. Best move was Nc6. } (16... Nc6 17. Qa8+ Kd7 18. Qa4 Ra8 19. Qb5 Kc8 20. O-O-O Ra5 21. Qb3 Be5 22. e4 d4 23. Nxe5) 17. Qa8+? { (8.11 → 6.95) Mistake. Best move was Bf1. } (17. Bf1 c6 18. Bxc4 dxc4 19. Na4 Kc7 20. Qa5+ Kb8 21. Nb6 Qf6 22. Nd4 Qg5 23. Nxc6+ Kc7) 17... Kd7 18. Qxb7 Na5?? { (6.69 → 11.74) Blunder. Best move was Rb8. } (18... Rb8 19. Qa7 Ra8 20. Qd4 c6 21. b3 e5 22. Qd1 Nb6 23. b4 Kc7 24. O-O h5 25. gxh5) 19. Qb5+ Nc6 20. Nd4 Ke8 21. Nxc6 Qf6 22. Nb8+ Kf8 23. Nd7+ Rxd7 24. Qxd7 Kg7 25. Bxd5 exd5 26. Nxd5 Qxb2 27. Kd2 Be5?! { (9.40 → 14.68) Inaccuracy. Best move was Qe5. } (27... Qe5 28. Nf4 Rf8 29. Qf5 Qxf5 30. gxf5 Kh7 31. Ra2 Bxf4 32. gxf4 Rd8+ 33. Ke2 Rd5 34. e4) 28. f4 Bd6 29. Rab1 Qa2 30. Rb3 Bxa3 31. Nxc7 Bb2?! { (21.11 → Mate in 8) Checkmate is now unavoidable. Best move was Bf8. } (31... Bf8 32. Qd4+) 32. Ne6+ Kf6 33. g5+ Kg6 34. f5+ Kxf5 35. Qxf7+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Nf4+. } (35. Nf4+ Kxg5 36. Rh5+ Kf6 37. Rf5+ Kg7 38. Qxf7#) 35... Kg4 36. Qf4# { White wins by checkmate. } 1-0