lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/VWw66eEW"] [Date "2021.03.13"] [Round "-"] [White "vepex__fan"] [Black "CornelCoslet"] [Result "1-0"] [UTCDate "2021.03.13"] [UTCTime "17:23:26"] [WhiteElo "1765"] [BlackElo "1556"] [WhiteRatingDiff "+45"] [BlackRatingDiff "-5"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C48"] [Opening "Four Knights Game: Ranken Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. Bb5 a6?! { (0.09 → 0.59) Inaccuracy. Best move was Bc5. } (4... Bc5 5. Bxc6 dxc6 6. O-O O-O 7. h3 Re8 8. d3 h6 9. Na4) 5. Bxc6 { C48 Four Knights Game: Ranken Variation } dxc6 6. d3? { (0.65 → -0.37) Mistake. Best move was Nxe5. } (6. Nxe5) 6... Bc5?! { (-0.37 → 0.52) Inaccuracy. Best move was Bd6. } (6... Bd6) 7. O-O O-O? { (0.09 → 1.92) Mistake. Best move was Bg4. } (7... Bg4 8. h3 Bh5 9. Na4 Bd6 10. c4 Nd7 11. Be3 O-O 12. g4 Bg6 13. Nc3 Be7 14. a3) 8. Nxe5 Re8 9. Nf3 Ng4?! { (1.28 → 2.03) Inaccuracy. Best move was Bg4. } (9... Bg4 10. h3 Bh5 11. Be3 Bd6 12. Nb1 c5 13. Nbd2 h6 14. a4 Nh7 15. g4 Bg6 16. Kg2) 10. h3 Ne5 11. Nxe5 Rxe5 12. Kh1 Qh4 13. f4?? { (1.88 → -10.15) Blunder. Best move was Qf3. } (13. Qf3 Re8 14. a4 Bd7 15. Qf4 Qxf4 16. Bxf4 Bd6 17. Bxd6 cxd6 18. a5 g6 19. Kh2 Kg7) 13... Bxh3 14. Qe1? { (-8.85 → Mate in 6) Checkmate is now unavoidable. Best move was d4. } (14. d4 Bg4+) 14... Rh5?? { (Mate in 6 → 4.97) Lost forced checkmate sequence. Best move was Qg4. } (14... Qg4 15. Qe2 Rh5 16. d4 Qg3 17. Kg1 Bxd4+ 18. Be3 Bxe3+ 19. Kh1 Bg4#) 15. Qxh4 Rxh4 16. gxh3 Rxh3+ 17. Kg2 Rh6?! { (4.74 → 5.45) Inaccuracy. Best move was Rh4. } (17... Rh4 18. Bd2) 18. f5 g6?? { (5.01 → 11.17) Blunder. Best move was Rd6. } (18... Rd6 19. Kf3) 19. Bxh6 gxf5 20. Rxf5 Re8 21. Rxc5 b6?! { (16.86 → Mate in 14) Checkmate is now unavoidable. Best move was Re6. } (21... Re6 22. Rg5+ Kh8 23. Bg7+ Kg8 24. Be5+ Rg6 25. Rxg6+ hxg6 26. Bf4 Kg7 27. Bxc7 f5 28. exf5) 22. Rg5+ Kh8 23. Bg7+ Kg8 24. Bf6+ Kf8 25. Rh1 Re6 26. e5 Rxf6 27. exf6 Ke8 28. Rxh7 Kd7 29. Rh8?! { (Mate in 5 → Mate in 9) Not the best checkmate sequence. Best move was Rxf7+. } (29. Rxf7+ Ke6 30. Rfg7 Kxf6 31. Ne4+ Ke6 32. d4 b5 33. Re5#) 29... Ke6 30. Rg7 Kxf6 31. Rhg8 Ke7 32. Ne4 c5 33. Rc8 Kd7 34. Ra8 Kc6 35. Ra7 b5 36. Rxf7 Kb6 37. Rfxc7 Ka5 38. Rab7?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Rc6. } (38. Rc6 b4 39. Rcxa6+ Kb5 40. Nd6#) 38... Kb4 39. c3+ Ka4 40. Rb6?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Nxc5+. } (40. Nxc5+ Ka5 41. b4#) 40... Ka5 41. Rcc6 b4 42. Rxa6+ Kb5 43. c4# { White wins by checkmate. } 1-0