lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/HQMEt9r9"] [Date "2020.12.04"] [Round "-"] [White "Marius_Bot"] [Black "GrigoreG"] [Result "0-1"] [UTCDate "2020.12.04"] [UTCTime "17:28:18"] [WhiteElo "1439"] [BlackElo "1530"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+9"] [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 } e5 2. Bc4? { (0.41 → -0.61) Mistake. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... Nc6?! { (-0.61 → 0.01) Inaccuracy. Best move was d5. } (2... d5 3. Bb3 Nf6 4. d4 exd4 5. exd4 Bd6 6. Ne2 c6 7. Bf4) 3. Qf3? { (0.01 → -0.99) Mistake. Best move was d4. } (3. d4 d5 4. Bb5 exd4 5. exd4 Nf6 6. Nf3 Bd6 7. O-O O-O 8. c4 dxc4 9. Bxc4 Bg4) 3... Nh6? { (-0.99 → 0.29) Mistake. Best move was Nf6. } (3... Nf6 4. Nc3 Na5 5. b3 c6 6. Qg3 Nxc4 7. bxc4 d6 8. h3 g6 9. Nf3 Nh5 10. Qh2) 4. g4? { (0.29 → -1.12) Mistake. Best move was Nc3. } (4. Nc3 Be7) 4... g5? { (-1.12 → 0.29) Mistake. Best move was Na5. } (4... Na5 5. Be2 d5 6. Nc3 Be6 7. Qg3 Nc6 8. d4 Nb4 9. Bd1 exd4 10. Nb5 d3 11. Nxc7+) 5. Nh3? { (0.29 → -1.87) Mistake. Best move was Nc3. } (5. Nc3 d6 6. Nd5 Be7 7. h3 Be6 8. Ne2 Na5 9. Bd3 c6 10. Nxe7 Qxe7 11. b4 Nc4) 5... f6? { (-1.87 → -0.68) Mistake. Best move was f5. } (5... f5 6. Qg2 Nxg4 7. Nxg5 Qxg5 8. h3 d6 9. Nc3 Bd7 10. d3 h5 11. Bd2 O-O-O 12. hxg4) 6. O-O? { (-0.68 → -2.87) Mistake. Best move was Nc3. } (6. Nc3 Nb4) 6... b6? { (-2.87 → -0.09) Mistake. Best move was d6. } (6... d6) 7. Re1? { (-0.09 → -2.83) Mistake. Best move was d4. } (7. d4 f5) 7... Bb7? { (-2.83 → -1.72) Mistake. Best move was f5. } (7... f5 8. Bd5) 8. b3? { (-1.72 → -4.40) Mistake. Best move was d4. } (8. d4 f5) 8... Na5? { (-4.40 → -2.51) Mistake. Best move was f5. } (8... f5 9. d4 fxg4 10. Qg3 gxh3 11. Nc3 Bb4 12. Qxh3 Qf6 13. Nd5 Qf5 14. Qxf5 Nxf5 15. Nxc7+) 9. Bd3?? { (-2.51 → -14.83) Blunder. Best move was e4. } (9. e4 Nxc4 10. bxc4 f5 11. d4 Rg8 12. Qg3 f4 13. Qg2 exd4 14. f3 Nf7 15. Nf2 Ne5) 9... Bxf3 10. Bf5 Nxf5 11. gxf5 Bg4 12. Kg2 Bxh3+ 13. Kxh3 Nc6 14. Rg1 Ne7 15. Rg4 Nxf5 16. Rd4 Nxd4 17. exd4 exd4 18. Bb2 c5 19. Ba3 f5 20. c4?! { (-23.35 → Mate in 11) Checkmate is now unavoidable. Best move was c3. } (20. c3 Qe7) 20... g4+ 21. Kg3 Bh6?! { (Mate in 8 → -32.27) Lost forced checkmate sequence. Best move was f4+. } (21... f4+ 22. Kg2 Qh4 23. Nc3 Qh3+ 24. Kh1 f3 25. Rg1 Bd6 26. Re1+ Kf7 27. Re7+ Bxe7 28. Ne4) 22. Kg2 f4 23. Kf1 g3 24. fxg3?! { (-29.26 → Mate in 8) Checkmate is now unavoidable. Best move was Nc3. } (24. Nc3) 24... fxg3 25. hxg3 Bxd2?! { (Mate in 6 → -22.38) Lost forced checkmate sequence. Best move was O-O+. } (25... O-O+ 26. Kg1 Qf6 27. Nc3 Qf2+ 28. Kh1 Rf5 29. g4 Rf3 30. g5 Rh3#) 26. Nxd2 Qg5 27. Rd1?! { (-17.73 → Mate in 7) Checkmate is now unavoidable. Best move was Re1+. } (27. Re1+ Kd8) 27... Qxg3 28. Re1+ Kd8 29. Ne4 Qd3+ 30. Kg2 Rf8 31. Nd6 Qf3+ 32. Kg1 Kc7?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Rg8+. } (32... Rg8+ 33. Kh2 Qg2#) 33. Nb5+ Kc6?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Kb7. } (33... Kb7 34. Nd6+ Ka6 35. Ne4 Rg8+ 36. Ng5 Rxg5+ 37. Kh2 Qg2#) 34. Re5 d6?! { (Mate in 2 → Mate in 5) Not the best checkmate sequence. Best move was Qg3+. } (34... Qg3+ 35. Kh1 Rf1#) 35. Re6 Rf5?! { (Mate in 2 → Mate in 6) Not the best checkmate sequence. Best move was Qg3+. } (35... Qg3+ 36. Kh1 Rf1#) 36. Rxd6+ Kb7 37. Rd7+ Kc6?? { (Mate in 5 → Mate in 1) Lost forced checkmate sequence. Best move was Kc8. } (37... Kc8 38. Rc7+ Kd8 39. Rc8+ Rxc8 40. b4 Qf2+ 41. Kh1 Rh5#) 38. Rxh7?? { (Mate in 1 → Mate in 2) Lost forced checkmate sequence. Best move was Rc7#. } (38. Rc7#) 38... Qg3+ 39. Kh1 Rg8?! { (Mate in 1 → Mate in 6) Not the best checkmate sequence. Best move was Rf1#. } (39... Rf1#) 40. Rc7+ Qxc7 41. Nxc7 Rh5# { Black wins by checkmate. } 0-1