lichess dev

[Event "lion26 Arena"] [Site "http://chess-academy.net/Weib9sDP"] [Date "2022.10.03"] [Round "-"] [White "alexandru08"] [Black "andreisistefan"] [Result "1-0"] [UTCDate "2022.10.03"] [UTCTime "15:12:51"] [WhiteElo "1719"] [BlackElo "1116"] [WhiteRatingDiff "+9"] [BlackRatingDiff "-5"] [Variant "Standard"] [TimeControl "300+0"] [ECO "A00"] [Opening "Polish Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. b4?! { (0.15 → -0.55) Inaccuracy. Best move was e4. } { A00 Polish Opening } (1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6) 1... d6?! { (-0.55 → 0.10) Inaccuracy. Best move was d5. } (1... d5 2. Nf3 Nf6 3. e3 Bf5 4. Bb2 e6 5. c4 Bxb4 6. cxd5) 2. Bb2?! { (0.10 → -0.46) Inaccuracy. Best move was c4. } (2. c4 Nf6 3. Nc3 e5 4. Nf3 Be7 5. Bb2 O-O 6. e3 c6) 2... d5?! { (-0.46 → 0.50) Inaccuracy. Best move was e5. } (2... e5 3. c4) 3. d4?! { (0.50 → -0.36) Inaccuracy. Best move was c4. } (3. c4 c6) 3... c5? { (-0.36 → 1.11) Mistake. Best move was Bf5. } (3... Bf5 4. a3) 4. e3? { (1.11 → -0.87) Mistake. Best move was bxc5. } (4. bxc5 Nf6 5. Nf3 b6 6. c4 e6 7. cxd5 exd5 8. e4 Nxe4 9. Nc3 Nxc3 10. Bxc3 Bd7) 4... cxd4? { (-0.87 → 0.21) Mistake. Best move was cxb4. } (4... cxb4 5. Nf3 Nc6 6. a3 e6 7. Bd3 Be7 8. axb4 Nxb4 9. Be2 Nf6 10. O-O O-O 11. Nbd2) 5. exd4?! { (0.21 → -0.62) Inaccuracy. Best move was Qxd4. } (5. Qxd4 Nc6 6. Qd2 Nf6 7. b5 Na5 8. Qd4 Bf5 9. Nd2 Bxc2 10. Rc1 Bg6 11. Ba3 e6) 5... e5 6. b5?! { (-0.31 → -0.88) Inaccuracy. Best move was a3. } (6. a3 e4) 6... exd4? { (-0.88 → 0.20) Mistake. Best move was e4. } (6... e4 7. c4) 7. c3? { (0.20 → -1.20) Mistake. Best move was Qxd4. } (7. Qxd4 Nf6 8. Bd3 Nbd7 9. Qe3+ Qe7 10. Bd4 Qxe3+ 11. fxe3 Bb4+ 12. Nc3 O-O 13. Ne2 b6) 7... Qg5? { (-1.20 → 0.71) Mistake. Best move was Bd6. } (7... Bd6 8. cxd4 Nf6 9. Nf3 O-O 10. Be2 Bf5 11. O-O Nbd7 12. Bd3 Be4 13. Nc3 Bxd3 14. Qxd3) 8. cxd4? { (0.71 → -0.56) Mistake. Best move was Nf3. } (8. Nf3 Qh6 9. Bc1 Qe6+ 10. Be2 d3 11. Qxd3 Bd6 12. Nd4 Qe7 13. Qe3 Nf6 14. a4 Qxe3) 8... Qxg2?? { (-0.56 → 13.33) Blunder. Best move was Bb4+. } (8... Bb4+) 9. Bxg2 Bh3 10. Bxh3 h5 11. Qa4 h4 12. b6+ Kd8 13. bxa7 Rxa7 14. Qxa7 Nh6?! { (28.37 → Mate in 10) Checkmate is now unavoidable. Best move was Bb4+. } (14... Bb4+ 15. Nd2) 15. Qxb8+ Ke7 16. Qxb7+ Kd8 17. Qxd5+?! { (Mate in 1 → Mate in 6) Not the best checkmate sequence. Best move was Qd7#. } (17. Qd7#) 17... Ke7 18. Qb7+?! { (Mate in 5 → Mate in 9) Not the best checkmate sequence. Best move was Bc1. } (18. Bc1 Ng4 19. Bg5+ f6 20. Bxg4 fxg5 21. Qd7+ Kf6 22. Qe6#) 18... Kd6 19. Qxf7?! { (Mate in 1 → 17.62) Lost forced checkmate sequence. Best move was Qd7#. } (19. Qd7#) 19... g5?! { (17.62 → Mate in 1) Checkmate is now unavoidable. Best move was Nxf7. } (19... Nxf7 20. Nf3) 20. Qb3?! { (Mate in 1 → 74.61) Lost forced checkmate sequence. Best move was Qd7#. } (20. Qd7#) 20... Nf7?! { (74.61 → Mate in 3) Checkmate is now unavoidable. Best move was g4. } (20... g4 21. Qb6+) 21. Qxf7?! { (Mate in 3 → Mate in 7) Not the best checkmate sequence. Best move was Qb6+. } (21. Qb6+ Ke7 22. Qe6+ Kd8 23. Qd7#) 21... Rh7 22. Qxh7 g4 23. Bxg4 Bh6 24. Ba3+?! { (Mate in 1 → Mate in 4) Not the best checkmate sequence. Best move was Qd7#. } (24. Qd7#) 24... Kd5 25. Bb2?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qd7+. } (25. Qd7+ Ke4 26. Bf5+ Kf4 27. Bc1#) 25... Kc4 26. Qf7+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qc7+. } (26. Qc7+ Kb5 27. Qc5+ Ka6 28. Bc8#) 26... Kb5 27. d5?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qb7+. } (27. Qb7+ Ka5 28. Bc3+ Ka4 29. Bd1#) 27... Kb6 28. d6?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Bd4+. } (28. Bd4+ Kb5 29. Be2+ Kb4 30. Qb7+ Ka5 31. Qb5#) 28... Kc6 29. d7?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Bd4. } (29. Bd4 Bd2+ 30. Nxd2 Kb5 31. Rb1+ Ka6 32. Qa7#) 29... Kc7 30. Qe8?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was d8=Q+. } (30. d8=Q+ Kxd8 31. Bf6#) 30... Bf4 31. d8=Q+ Kb7 32. Qee7+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qb5+. } (32. Qb5+ Ka7 33. Bd4#) 32... Kc6 33. Qe6+ Bd6 34. Qdxd6+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qa5. } (34. Qa5 Kb7 35. Qc8#) 34... Kb5 35. f3?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qa6+. } (35. Qa6+ Kb4 36. Ba3#) 35... Ka5 36. f4?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qa6+. } (36. Qa6+ Kb4 37. Ba3#) 36... Kb5 37. f5?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qa6+. } (37. Qa6+ Kb4 38. Ba3#) 37... Ka5 38. f6?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qa6+. } (38. Qa6+ Kb4 39. Ba3#) 38... Kb5 39. f7?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qa6+. } (39. Qa6+ Kb4 40. Ba3#) 39... Ka5 40. f8=Q Kb5 41. Qdb8+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qb4#. } (41. Qb4#) 41... Ka5 42. Qee5+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qa3#. } (42. Qa3#) 42... Ka6 43. Qff6# { White wins by checkmate. } 1-0