lichess dev

[Event "lion26 Arena"] [Site "http://chess-academy.net/c9vt9z0c"] [Date "2022.04.11"] [Round "-"] [White "Cristiana"] [Black "marcugrigore"] [Result "0-1"] [UTCDate "2022.04.11"] [UTCTime "15:06:14"] [WhiteElo "1530"] [BlackElo "1665"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+21"] [Variant "Standard"] [TimeControl "420+0"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 e6 { A40 Horwitz Defense } 2. d5? { (0.38 → -1.08) Mistake. Best move was e4. } (2. e4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. O-O c4) 2... exd5 3. e4? { (-0.87 → -2.98) Mistake. Best move was Qxd5. } (3. Qxd5 Nf6 4. Qd1 d5 5. Nf3 Be7 6. e3 O-O 7. Be2 Bf5) 3... dxe4 4. Bb5? { (-2.34 → -4.33) Mistake. Best move was Nc3. } (4. Nc3 Nf6 5. Bg5 Be7 6. Qe2 O-O 7. O-O-O Re8 8. f3 exf3 9. Nxf3 h6 10. Bh4 d6) 4... c5?? { (-4.33 → -1.19) Blunder. Best move was c6. } (4... c6 5. Ba4) 5. Be3? { (-1.19 → -2.24) Mistake. Best move was Nc3. } (5. Nc3 Nf6 6. Nge2 Be7 7. Nf4 Nc6 8. O-O O-O 9. Bc4 Ne5 10. Bd5 g5 11. Nh5 Nxd5) 5... a6?! { (-2.24 → -1.57) Inaccuracy. Best move was Nf6. } (5... Nf6) 6. Bxa6?? { (-1.57 → -7.02) Blunder. Best move was Bc4. } (6. Bc4 d6 7. Nc3 Nf6 8. Bd5 Be7 9. Nxe4 Nxd5 10. Qxd5 Be6 11. Qxb7 Nd7 12. Nf3 O-O) 6... bxa6? { (-7.02 → -4.96) Mistake. Best move was Nxa6. } (6... Nxa6 7. Nc3) 7. Qe2? { (-4.96 → -7.46) Mistake. Best move was c4. } (7. c4) 7... Qa5+? { (-7.46 → -5.08) Mistake. Best move was d5. } (7... d5 8. Nc3) 8. Qd2? { (-5.08 → -6.62) Mistake. Best move was Bd2. } (8. Bd2) 8... Qb5? { (-6.62 → -4.31) Mistake. Best move was Qxd2+. } (8... Qxd2+) 9. Nc3 Qxb2? { (-4.78 → -2.97) Mistake. Best move was Qb7. } (9... Qb7) 10. Rd1? { (-2.97 → -4.72) Mistake. Best move was Rb1. } (10. Rb1 Qa3) 10... Qxa2?? { (-4.72 → 8.48) Blunder. Best move was Nc6. } (10... Nc6 11. Nd5) 11. Qxd7+?? { (8.48 → -7.51) Blunder. Best move was Nxa2. } (11. Nxa2) 11... Bxd7 12. Rxd7?? { (-6.93 → -20.24) Blunder. Best move was Nxa2. } (12. Nxa2 Nc6 13. Nc3 Nb4 14. Rd2 Nf6 15. Nge2 a5 16. O-O a4 17. Ng3 a3 18. Ncxe4 Nxe4) 12... Kxd7? { (-20.24 → -8.34) Mistake. Best move was Qxc2. } (12... Qxc2) 13. Nxa2 c4?! { (-8.52 → -7.93) Inaccuracy. Best move was Nc6. } (13... Nc6 14. Nc3) 14. Bg5 f6 15. c3? { (-8.13 → -13.63) Mistake. Best move was Be3. } (15. Be3 Nc6 16. Ne2 f5 17. O-O Nf6 18. Nac3 Bd6 19. Na4 Nd5 20. Rd1 Ncb4 21. Bd4 Rhg8) 15... fxg5 16. f4 gxf4 17. g3 f3 18. Ne2 fxe2 19. Kxe2 Nc6 20. Rd1+ Bd6 21. Nb4 Nxb4 22. cxb4 a5 23. bxa5 Rxa5 24. g4 Ra2+ 25. Rd2?! { (-64.66 → Mate in 10) Checkmate is now unavoidable. Best move was Ke3. } (25. Ke3 Rxh2) 25... Rxd2+ 26. Kxd2 Bb4+ 27. Ke3 c3 28. Kxe4 c2 29. Ke5 c1=Q 30. Kf5 Qc5+?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Qe3. } (30... Qe3 31. g5 Qf3+ 32. Ke5 Bc3#) 31. Ke4 Qc4+ 32. Kf5 Nh6+ 33. Ke5 Qxg4?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Re8#. } (33... Re8#) 34. h4 Qxh4?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Re8+. } (34... Re8+ 35. Kd5 Qe4#) 35. Kd5 Qe7?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Rf8. } (35... Rf8 36. Ke5 Rf5#) 36. Kc4 Qc5+ 37. Kb3 Qc3+ 38. Ka2 Qa3+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Ba3. } (38... Ba3 39. Kb1 Qb2#) 39. Kb1 Qc3?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qb3+. } (39... Qb3+ 40. Ka1 Bc3#) 40. Ka2 Qa3+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Ba3. } (40... Ba3 41. Kb1 Qb2#) 41. Kb1 Qd3+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qb3+. } (41... Qb3+ 42. Ka1 Bc3#) 42. Kb2 Qc3+?? { (Mate in 2 → 0.00) Lost forced checkmate sequence. Best move was Ra8. } (42... Ra8 43. Kc1 Ba3#) 43. Ka2 Ba3 44. Kb1 Qb2# { Black wins by checkmate. } 0-1