lichess dev

[Event "Polgar Arena"] [Site "http://chess-academy.net/oFRa2NUL"] [Date "2020.09.08"] [Round "-"] [White "CornelCoslet"] [Black "stefan-vartolomei12"] [Result "1-0"] [UTCDate "2020.09.08"] [UTCTime "16:07:32"] [WhiteElo "1304"] [BlackElo "1373"] [WhiteRatingDiff "+82"] [BlackRatingDiff "-31"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C40"] [Opening "King's Pawn Game: Busch-Gass Gambit"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Bc5? { (0.22 → 1.85) Mistake. Best move was Nc6. } { C40 King's Pawn Game: Busch-Gass Gambit } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. Nxe5 Qf6? { (1.24 → 2.88) Mistake. Best move was Nf6. } (3... Nf6) 4. Qh5?? { (2.88 → -2.15) Blunder. Best move was d4. } (4. d4 d6) 4... Qxf2+? { (-2.15 → -0.33) Mistake. Best move was g6. } (4... g6 5. Qf3 Qxe5 6. c3 Qf6 7. Qe2 Bf8 8. d4 Qe7 9. Bf4 d6 10. f3 Bh6 11. Bxh6) 5. Kd1 Nf6?? { (-1.12 → 3.71) Blunder. Best move was d6. } (5... d6 6. Ng4 Qf4 7. Be2 Qxe4 8. Re1 Kf8 9. Nc3 Qg6 10. Qh4 Nc6 11. d3 Be6 12. Ne3) 6. Qxf7+ Kd8 7. Qxg7?? { (3.54 → 0.00) Blunder. Best move was Nd3. } (7. Nd3 Qd4) 7... Re8?? { (0.00 → 8.29) Blunder. Best move was Rg8. } (7... Rg8 8. Qf7 Rf8 9. Qg7) 8. Ng4?? { (8.29 → 2.24) Blunder. Best move was Nf7+. } (8. Nf7+) 8... Nxg4 9. Qg5+?? { (2.20 → -4.43) Blunder. Best move was Qxg4. } (9. Qxg4) 9... Re7?? { (-4.43 → 2.58) Blunder. Best move was Nf6. } (9... Nf6 10. Nc3) 10. Qg8+?! { (2.58 → 1.86) Inaccuracy. Best move was Qxg4. } (10. Qxg4 c6 11. d3 d5 12. Qg8+ Kc7 13. Be2 dxe4 14. Rf1 Qd4 15. c3 Qd5 16. Bf4+ Bd6) 10... Re8 11. Qg5+?? { (2.16 → -4.38) Blunder. Best move was Qxg4. } (11. Qxg4) 11... Be7?? { (-4.38 → 1.60) Blunder. Best move was Nf6. } (11... Nf6 12. Be2) 12. Qxg4 d5 13. Qe2?! { (1.58 → 0.99) Inaccuracy. Best move was Qg3. } (13. Qg3 Qd4) 13... Qf4? { (0.99 → 2.53) Mistake. Best move was Qh4. } (13... Qh4 14. g3 Qxe4 15. Qxe4 dxe4 16. Nc3 Bf5 17. d3 exd3 18. Bxd3 Bxd3 19. cxd3 Nc6 20. Rf1) 14. d3 Bh4?? { (1.82 → 17.39) Blunder. Best move was Qf7. } (14... Qf7 15. Nc3 Qg7 16. h3 dxe4 17. Nxe4 Nc6 18. Qh5 Be6 19. a4 a5 20. Qh6 Qg6 21. Qxg6) 15. Bxf4 Be6 16. Qh5 Rh8 17. Qxh4+ Kd7 18. d4 a5 19. Bb5+ c6 20. Be2 Rg8?! { (22.92 → Mate in 6) Checkmate is now unavoidable. Best move was Rf8. } (20... Rf8 21. Qxh7+) 21. Qxh7+ Bf7 22. Qxf7+ Kd8 23. Qxg8+ Kd7 24. Qg4+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qf7+. } (24. Qf7+ Kd8 25. Qf8+ Kd7 26. Bg4#) 24... Ke7 25. Bg5+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qg7+. } (25. Qg7+ Kd8 26. Qf8+ Kd7 27. Bg4#) 25... Kd6 26. e5+?! { (Mate in 4 → Mate in 7) Not the best checkmate sequence. Best move was Qf4+. } (26. Qf4+ Kd7 27. Qf7+ Kc8 28. Qe8+ Kc7 29. Qd8#) 26... Kc7 27. Bf6?! { (Mate in 7 → 54.99) Lost forced checkmate sequence. Best move was Bd8+. } (27. Bd8+ Kxd8 28. Rf1 Kc7 29. Rf7+ Kb6 30. Qc8 Nd7 31. Qxd7 a4 32. Qc7+ Ka7 33. Qxb7#) 27... Na6?! { (54.99 → Mate in 9) Checkmate is now unavoidable. Best move was Kb6. } (27... Kb6 28. Bd8+) 28. Qg7+ Kb6 29. Nc3 Nb8 30. Bd8+?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Na4+. } (30. Na4+ Ka7 31. Nc5 Nd7 32. Qxd7 Rb8 33. Qc7 Rg8 34. Qxb7#) 30... Ka7 31. Qe7 Na6 32. Bxa5 Rc8 33. Nb5+?! { (Mate in 5 → Mate in 8) Not the best checkmate sequence. Best move was Bxa6. } (33. Bxa6 Rb8 34. Bc7 Rc8 35. Bb6+ Kxa6 36. Qc5 Rg8 37. Qa5#) 33... Kb8 34. Qd6+?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Nd6. } (34. Nd6 Rc7 35. Bxc7+ Nxc7 36. Qd8+ Ka7 37. Qxc7 Ka8 38. Qxb7#) 34... Ka8 35. Qd7 Rb8 36. Nc7+ Ka7 37. Nb5+?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Nxa6. } (37. Nxa6 Rg8 38. Nc5 Rb8 39. Qc7 Ka8 40. Bb6 Rg8 41. Qxb7#) 37... Ka8 38. e6 b6 39. Qa7# { White wins by checkmate. } 1-0