lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/8L6u0NlD"] [Date "2021.03.01"] [Round "-"] [White "ice-fan"] [Black "ttpitiq1"] [Result "1-0"] [UTCDate "2021.03.01"] [UTCTime "17:21:45"] [WhiteElo "1650"] [BlackElo "1344"] [WhiteRatingDiff "+24"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B30"] [Opening "Sicilian Defense: Old Sicilian"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c5 2. Nf3 Nc6 { B30 Sicilian Defense: Old Sicilian } 3. c3 d6?! { (0.18 → 0.81) Inaccuracy. Best move was d5. } (3... d5 4. exd5) 4. d4 Bg4?! { (0.55 → 1.52) Inaccuracy. Best move was e6. } (4... e6 5. d5 exd5 6. exd5 Ne5 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. O-O) 5. Be2?! { (1.52 → 0.91) Inaccuracy. Best move was d5. } (5. d5 Bxf3) 5... Nf6 6. d5 Bxf3?! { (1.02 → 1.66) Inaccuracy. Best move was Nb8. } (6... Nb8 7. Bg5 Nbd7 8. Nbd2 e6 9. h3 Bxf3 10. Nxf3 h6 11. Bxf6 Qxf6 12. Nd2 exd5 13. exd5) 7. Bxf3 Ne5 8. O-O? { (1.58 → 0.37) Mistake. Best move was Be2. } (8. Be2) 8... Nxf3+ 9. Qxf3 g5? { (0.48 → 2.89) Mistake. Best move was g6. } (9... g6 10. Bg5) 10. Bxg5 h6? { (2.37 → 3.87) Mistake. Best move was Nd7. } (10... Nd7 11. Nd2) 11. Bh4? { (3.87 → 2.80) Mistake. Best move was Bxf6. } (11. Bxf6 exf6) 11... Bg7 12. Qf4? { (3.13 → 1.98) Mistake. Best move was Qg3. } (12. Qg3 Kf8) 12... O-O? { (1.98 → 3.16) Mistake. Best move was Qd7. } (12... Qd7 13. Na3) 13. Bxf6 exf6?! { (3.03 → 3.66) Inaccuracy. Best move was Bxf6. } (13... Bxf6) 14. Nd2 f5?! { (3.52 → 4.25) Inaccuracy. Best move was b5. } (14... b5 15. Rae1) 15. exf5 Qf6?? { (3.79 → 6.91) Blunder. Best move was Qg5. } (15... Qg5 16. Qxg5) 16. Ne4 Qe5 17. Qh4?? { (6.34 → 2.09) Blunder. Best move was Qf3. } (17. Qf3) 17... Qxf5 18. Nxd6 Qf6? { (2.22 → 4.11) Mistake. Best move was Qxd5. } (18... Qxd5) 19. Qxf6 Bxf6 20. Nf5?! { (4.21 → 3.49) Inaccuracy. Best move was Rad1. } (20. Rad1) 20... Kh7?! { (3.49 → 4.26) Inaccuracy. Best move was Rfe8. } (20... Rfe8) 21. d6 Rad8?! { (3.79 → 4.36) Inaccuracy. Best move was Rfe8. } (21... Rfe8 22. f4) 22. Rad1 b5? { (3.88 → 5.04) Mistake. Best move was Rfe8. } (22... Rfe8 23. f4) 23. Ne7? { (5.04 → 2.80) Mistake. Best move was d7. } (23. d7 Rg8) 23... Bxe7?? { (2.80 → 9.54) Blunder. Best move was Rfe8. } (23... Rfe8) 24. dxe7 Rfe8? { (8.95 → 21.52) Mistake. Best move was Ra8. } (24... Ra8 25. exf8=N+ Rxf8 26. Rd5 Rb8 27. Rxc5 Kg8 28. Rc7 a5 29. Ra7 b4 30. Rxa5 bxc3 31. bxc3) 25. exd8=Q Rxd8 26. Rxd8 c4 27. Ra8 a5?! { (61.10 → Mate in 18) Checkmate is now unavoidable. Best move was Kg6. } (27... Kg6 28. Rxa7) 28. Rxa5 b4 29. Rb5 b3?! { (29.70 → Mate in 11) Checkmate is now unavoidable. Best move was Kg6. } (29... Kg6 30. cxb4) 30. axb3 cxb3 31. Rxb3 f6 32. c4 Kg7 33. c5 Kf8 34. c6?! { (Mate in 3 → Mate in 6) Not the best checkmate sequence. Best move was Rb7. } (34. Rb7 h5 35. Ra1 h4 36. Ra8#) 34... Ke8 35. c7?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Rb7. } (35. Rb7 Kf8 36. Ra1 Kg8 37. Ra8#) 35... Kd7 36. Rd1+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Rc3. } (36. Rc3 h5 37. c8=Q+ Ke7 38. Qg8 Kd6 39. Qe8 Kd5 40. Rd1#) 36... Kxc7 37. Rc3+ Kb6 38. Rd4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Rdc1. } (38. Rdc1 Ka5 39. Rb3 Ka4 40. Rb7 h5 41. Ra1#) 38... Kb5 39. Rd7?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Rd8. } (39. Rd8 Ka6 40. Rb8 Ka7 41. Rb4 h5 42. Ra3#) 39... Kb4 40. Rb7+ Ka4 41. Ra3# { White wins by checkmate. } 1-0