lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/rXGOgNWG"] [Date "2021.02.20"] [Round "-"] [White "druar"] [Black "Marius"] [Result "1-0"] [UTCDate "2021.02.20"] [UTCTime "17:38:59"] [WhiteElo "1806"] [BlackElo "1693"] [WhiteRatingDiff "+37"] [BlackRatingDiff "-9"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A43"] [Opening "Franco-Benoni Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e6 2. d4 c5?! { (0.05 → 0.74) Inaccuracy. Best move was d5. } (2... d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. Nc3 O-O 7. O-O) 3. d5 { A43 Franco-Benoni Defense } exd5?! { (0.59 → 1.23) Inaccuracy. Best move was Nf6. } (3... Nf6) 4. exd5 Qf6? { (0.72 → 2.18) Mistake. Best move was d6. } (4... d6 5. Nf3) 5. Nf3 g6? { (2.10 → 3.24) Mistake. Best move was d6. } (5... d6 6. Nc3) 6. Bd3?! { (3.24 → 2.29) Inaccuracy. Best move was Nc3. } (6. Nc3 Bh6 7. Bd3 Kf8 8. O-O d6 9. Ne4 Qd8 10. b4 Bf5 11. Bxh6+ Nxh6 12. bxc5 dxc5) 6... Na6?? { (2.29 → 5.66) Blunder. Best move was Qe7+. } (6... Qe7+ 7. Kf1) 7. O-O Bd6? { (4.81 → 7.50) Mistake. Best move was Be7. } (7... Be7 8. Re1) 8. Bg5? { (7.50 → 6.05) Mistake. Best move was Nc3. } (8. Nc3) 8... Qxb2? { (6.05 → 7.77) Mistake. Best move was Qg7. } (8... Qg7 9. Re1+ Kf8 10. Nc3 h6 11. Bd8 Be7 12. Qe2 Qf6 13. Ne4 Bxd8 14. Nxf6 Nxf6 15. Qe5) 9. Nbd2 Nf6? { (7.11 → 14.33) Mistake. Best move was b5. } (9... b5) 10. Nc4 Qc3 11. Nxd6+ Ke7 12. Nxc8+ Raxc8 13. Re1+ Kd6 14. Qe2 Rhe8 15. Qd2?? { (16.90 → 4.55) Blunder. Best move was Bf4+. } (15. Bf4+ Kxd5 16. Ne5 c4 17. Qf3+ Kc5 18. Qxb7 Rb8 19. Qxa7+ Rb6 20. Rab1 Qxe1+ 21. Rxe1 cxd3) 15... Qxd2 16. Nxd2 Rxe1+ 17. Rxe1 Nxd5 18. Ne4+?! { (5.93 → 5.10) Inaccuracy. Best move was c4. } (18. c4) 18... Kc6? { (5.10 → 6.19) Mistake. Best move was Kc7. } (18... Kc7) 19. a4? { (6.19 → 3.99) Mistake. Best move was Bb5+. } (19. Bb5+) 19... Nab4? { (3.99 → 5.26) Mistake. Best move was Nac7. } (19... Nac7) 20. Bb5+ Kb6? { (4.91 → 6.24) Mistake. Best move was Kc7. } (20... Kc7 21. c3 Nc6 22. c4 Ndb4 23. Rd1 a6 24. Bxc6 Kxc6 25. Rd6+ Kc7 26. Bf4 Kd8 27. Rf6) 21. c4?! { (6.24 → 5.42) Inaccuracy. Best move was c3. } (21. c3 Nc6 22. Bc4 f6 23. Bh4 Nde7 24. Nxf6 Kc7 25. Bg3+ d6 26. Bf7 Ne5 27. f4 N5c6) 21... Nc7? { (5.42 → 8.22) Mistake. Best move was Nd3. } (21... Nd3) 22. Nf6? { (8.22 → 5.59) Mistake. Best move was Bxd7. } (22. Bxd7 Rb8) 22... Nxb5 23. cxb5?? { (5.33 → 2.12) Blunder. Best move was axb5. } (23. axb5 d6 24. Nd7+ Kc7 25. Re7 h6 26. Bxh6 a6 27. Rxf7 axb5 28. cxb5 Ra8 29. Nxc5+ Kb6) 23... h5? { (2.12 → 4.05) Mistake. Best move was d5. } (23... d5 24. Ne8) 24. Nxd7+? { (4.05 → 2.60) Mistake. Best move was Ne4. } (24. Ne4 Re8 25. Ra1 a5 26. Nf6 Re7 27. Nxh5 Re4 28. Nf6 Rd4 29. Kf1 d6 30. Be3 Rd3) 24... Ka5 25. Be3?! { (2.60 → 2.03) Inaccuracy. Best move was Nf6. } (25. Nf6 Kxa4) 25... Kxa4?? { (2.03 → 6.18) Blunder. Best move was c4. } (25... c4 26. Bxa7) 26. b6 Nc2?? { (5.37 → 16.02) Blunder. Best move was a5. } (26... a5) 27. bxa7 Rd8 28. Nxc5+ Kb5 29. Rb1+ Kc6 30. Nxb7 Re8?! { (14.11 → Mate in 15) Checkmate is now unavoidable. Best move was Ra8. } (30... Ra8 31. Na5+ Kd5 32. Rb8 Rxa7 33. Bxa7 f5 34. Rb5+ Ke4 35. Rb3 f4 36. Rc3 Ne1 37. Kf1) 31. Na5+ Kd5 32. Rb8 Rxb8 33. axb8=Q Nxe3 34. fxe3 Ke4 35. Qf4+ Kd3 36. Nc6?! { (Mate in 4 → Mate in 6) Not the best checkmate sequence. Best move was Qc4+. } (36. Qc4+ Kxe3 37. Nb3 h4 38. Qd4+ Ke2 39. Qd2#) 36... f5 37. Qd4+ Ke2 38. Ne5 g5 39. Qd3+ Ke1 40. Nf3# { White wins by checkmate. } 1-0