lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/P1cqO6a8"] [Date "2020.12.25"] [Round "-"] [White "Marius"] [Black "Brawl"] [Result "0-1"] [UTCDate "2020.12.25"] [UTCTime "17:23:27"] [WhiteElo "1654"] [BlackElo "1744"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+21"] [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 } e6 2. Bc4?! { (0.34 → -0.41) Inaccuracy. Best move was d4. } (2. d4 d5 3. c4 Nf6 4. Nf3 c5 5. Nc3 Nc6 6. Be2 cxd4) 2... Nf6?! { (-0.41 → 0.13) Inaccuracy. Best move was d5. } (2... d5 3. Be2 c5 4. Nf3 Nf6 5. d4 Nc6 6. O-O cxd4 7. exd4) 3. f4? { (0.13 → -0.91) Mistake. Best move was Nf3. } (3. Nf3) 3... Ne4? { (-0.91 → 0.14) Mistake. Best move was d5. } (3... d5 4. Be2 Bd6 5. Nf3 Nc6 6. O-O e5 7. d4 exd4 8. exd4 O-O 9. Nc3 a6 10. a3) 4. g3?! { (0.14 → -0.63) Inaccuracy. Best move was Nf3. } (4. Nf3 d5) 4... b6 5. Bd3?! { (-0.25 → -0.90) Inaccuracy. Best move was Nf3. } (5. Nf3 Be7 6. d3 Nf6 7. Bb3 d5 8. Nbd2 O-O 9. Qe2 Ba6 10. O-O c5 11. c3 Nc6) 5... Bb7?! { (-0.90 → -0.32) Inaccuracy. Best move was d5. } (5... d5 6. Nf3) 6. Nf3 Nf6?! { (-1.02 → -0.29) Inaccuracy. Best move was g6. } (6... g6 7. O-O) 7. c3?! { (-0.29 → -0.97) Inaccuracy. Best move was O-O. } (7. O-O d5) 7... h6?! { (-0.97 → -0.13) Inaccuracy. Best move was d5. } (7... d5 8. Bc2 Bd6 9. d4 O-O 10. Nbd2 c5 11. Ne5 Nc6 12. O-O Ne7 13. g4 Ne4 14. Nxe4) 8. Na3?! { (-0.13 → -0.91) Inaccuracy. Best move was Bc2. } (8. Bc2 d5 9. Ne5 Be7 10. d4 O-O 11. Nd2 c5 12. b3 Nc6 13. O-O Qc7 14. Bb2 Rac8) 8... Bxa3 9. bxa3 g5?! { (-0.96 → -0.01) Inaccuracy. Best move was d6. } (9... d6) 10. Bb2?? { (-0.01 → -3.61) Blunder. Best move was Rf1. } (10. Rf1 Na6 11. Bb2 g4 12. Nh4 Qe7 13. Bc2 O-O-O 14. Kf2 d5 15. Kg1 Kb8 16. Rb1 Rhg8) 10... g4 11. Be4?? { (-3.12 → -10.20) Blunder. Best move was e4. } (11. e4 gxf3 12. Qxf3 d6 13. O-O-O Qe7 14. Kb1 Nbd7 15. Bc2 O-O-O 16. Rhe1 h5 17. d4 Rdg8) 11... Bxe4 12. Rf1 Bxf3 13. Qc2 Be4 14. Qb3 Bd5?? { (-11.12 → -6.33) Blunder. Best move was Bd3. } (14... Bd3) 15. Qb4?? { (-6.33 → -10.90) Blunder. Best move was c4. } (15. c4 Be4) 15... Nc6 16. Qa4 Rb8 17. O-O-O b5 18. Qc2 Be4?! { (-10.72 → -9.50) Inaccuracy. Best move was Bxa2. } (18... Bxa2) 19. d3 Bf3 20. Rde1 e5 21. fxe5?! { (-9.44 → -10.28) Inaccuracy. Best move was h3. } (21. h3 h5 22. e4 Qe7 23. Qh2 Rh7 24. Qc2 Kf8 25. hxg4 hxg4 26. Rg1 d6 27. a4 b4) 21... Nxe5 22. c4 bxc4?! { (-10.44 → -9.49) Inaccuracy. Best move was d6. } (22... d6 23. cxb5 Rxb5 24. e4 Rb6 25. d4 Rc6 26. Bc3 Bxe4 27. dxe5 Bxc2 28. exf6+ Kf8 29. Kxc2) 23. Bxe5 cxd3 24. Qxd3 Be4?? { (-9.20 → -6.16) Blunder. Best move was O-O. } (24... O-O) 25. Qc3? { (-6.16 → -7.69) Mistake. Best move was Qd4. } (25. Qd4 c5) 25... Nd5 26. Qd4 Rb1+?? { (-7.71 → -0.79) Blunder. Best move was Qe7. } (26... Qe7 27. Qxe4 Nc3 28. Qc2 Qxe5 29. Rf5 Nxa2+ 30. Kd2 Qb2 31. Qxb2 Rxb2+ 32. Kd3 h5 33. e4) 27. Kd2 Rxe1 28. Rxe1 f5? { (-1.44 → 0.26) Mistake. Best move was O-O. } (28... O-O 29. Qxe4) 29. Bf6?? { (0.26 → -12.76) Blunder. Best move was Bxh8. } (29. Bxh8) 29... Nxf6 30. Rf1 d5 31. Qxa7 Rh7 32. Qa4+ Nd7 33. Qb3 Qc8 34. a4 Nc5 35. Qb4 Nd3 36. Qb5+ c6 37. Qb3 Rb7 38. Qa3?! { (-19.76 → Mate in 8) Checkmate is now unavoidable. Best move was Qc3. } (38. Qc3 Rb2+) 38... Rb2+ 39. Kc3 Qa6?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Qb7. } (39... Qb7 40. Qf8+ Kxf8 41. Rxf5+ Bxf5 42. e4 Qb4+ 43. Kxd3 Qd2#) 40. Rd1 Qc4# { Black wins by checkmate. } 0-1