lichess dev

[Event "Academy Teachers Arena"] [Site "http://chess-academy.net/fwWot9b5"] [Date "2019.10.26"] [Round "-"] [White "Procopenco"] [Black "iustandup"] [Result "0-1"] [UTCDate "2019.10.26"] [UTCTime "05:30:30"] [WhiteElo "1587"] [BlackElo "1600"] [WhiteRatingDiff "-29"] [BlackRatingDiff "+29"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B50"] [Opening "Sicilian Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c5 2. Nf3 d6 { B50 Sicilian Defense } 3. Nc3 Nf6?! { (-0.13 → 0.61) Inaccuracy. Best move was a6. } (3... a6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 e5 7. Nb3 Be7 8. Be2 O-O 9. O-O Be6 10. f4) 4. d3?! { (0.61 → -0.13) Inaccuracy. Best move was d4. } (4. d4 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. Be2 e5 8. O-O Be7 9. Qd3 O-O 10. Rd1 Rb8) 4... Nc6 5. Bg5?! { (0.20 → -0.34) Inaccuracy. Best move was Be2. } (5. Be2 e5 6. Nd5 Nxd5 7. exd5 Nb8 8. O-O Be7 9. a3 O-O 10. b4 Nd7 11. Rb1 b6) 5... e6 6. Bxf6?! { (0.07 → -0.86) Inaccuracy. Best move was d4. } (6. d4 cxd4) 6... Qxf6 7. Be2?! { (-0.29 → -1.14) Inaccuracy. Best move was d4. } (7. d4 cxd4 8. Nb5 Qd8 9. Nbxd4 Bd7 10. c3 Qb6 11. Rb1 Be7 12. Bd3 Qa5 13. Nxc6 Bxc6) 7... a6?! { (-1.14 → -0.48) Inaccuracy. Best move was Be7. } (7... Be7 8. O-O) 8. a4?! { (-0.48 → -1.02) Inaccuracy. Best move was O-O. } (8. O-O Be7 9. Qc1 Qg6 10. Nd1 f5 11. exf5 exf5 12. Ne3 Be6 13. c4 O-O 14. Nd5 Bxd5) 8... Be7 9. h3?! { (-0.69 → -1.57) Inaccuracy. Best move was Nd2. } (9. Nd2 Bd7) 9... h6?! { (-1.57 → -0.67) Inaccuracy. Best move was O-O. } (9... O-O) 10. O-O O-O 11. g4? { (-0.74 → -2.31) Mistake. Best move was Nd2. } (11. Nd2 Bd7) 11... Qg6?! { (-2.31 → -1.46) Inaccuracy. Best move was Rb8. } (11... Rb8 12. Kg2 Bd7 13. Nd2 b5 14. axb5 axb5 15. f4 Nd4 16. Ra7 Rfd8 17. f5 Qe5 18. Nf3) 12. Nh2?! { (-1.46 → -1.97) Inaccuracy. Best move was Kh1. } (12. Kh1 Bd7) 12... f5 13. exf5 exf5 14. Bf3? { (-1.36 → -2.54) Mistake. Best move was Nd5. } (14. Nd5) 14... Nd4? { (-2.54 → -1.10) Mistake. Best move was h5. } (14... h5 15. g5) 15. Nd5?! { (-1.10 → -1.73) Inaccuracy. Best move was Bg2. } (15. Bg2 Bh4 16. Nd5 fxg4 17. hxg4 Be6 18. f4 Rae8 19. c3 Qf7 20. Ne3 Bb3 21. Qd2 Qe6) 15... Bd8? { (-1.73 → -0.31) Mistake. Best move was Nxf3+. } (15... Nxf3+ 16. Qxf3) 16. c3? { (-0.31 → -2.52) Mistake. Best move was Bg2. } (16. Bg2 Qf7) 16... fxg4? { (-2.52 → -0.94) Mistake. Best move was Nxf3+. } (16... Nxf3+ 17. Qxf3) 17. hxg4?? { (-0.94 → -17.91) Blunder. Best move was Be4. } (17. Be4 Bf5 18. Qxg4 Ne2+ 19. Kg2 Bxg4 20. Bxg6 Be6 21. Be4 Bxd5 22. Bxd5+ Kh8 23. Kh1 Nf4) 17... Nxf3+ 18. Nxf3 Qxg4+ 19. Kh2 Rxf3 20. Qxf3 Qxf3 21. Rg1?! { (-20.77 → Mate in 1) Checkmate is now unavoidable. Best move was Rae1. } (21. Rae1 Qh5+) 21... Qxd5?! { (Mate in 1 → -22.76) Lost forced checkmate sequence. Best move was Qh3#. } (21... Qh3#) 22. Rg3 Bf6 23. Rag1 Qh5+ 24. Kg2 Bh3+ 25. Rxh3 Qg4+ 26. Rg3 Qe2 27. Re3 Qxe3? { (-16.92 → -7.54) Mistake. Best move was Qxb2. } (27... Qxb2 28. Rge1 Bxc3 29. R1e2 Qb4 30. Re4 Bd4 31. Ra2 Qb3 32. Ree2 Qxd3 33. Kh2 Qg6 34. Red2) 28. fxe3 Re8 29. e4 d5 30. exd5?! { (-7.40 → -7.93) Inaccuracy. Best move was Kf3. } (30. Kf3) 30... Re2+ 31. Kf3 Rxb2 32. Ke4 Rb3 33. c4 Rb2 34. Kf5 Kf7 35. Re1 Rd2 36. Re3?! { (-7.79 → -8.36) Inaccuracy. Best move was Rb1. } (36. Rb1 Rb2 37. Rxb2 Bxb2 38. d4 g6+ 39. Kf4 Bxd4 40. d6 Ke6 41. d7 Kxd7 42. Ke4 h5) 36... h5 37. Ke4?! { (-8.12 → -8.92) Inaccuracy. Best move was Rh3. } (37. Rh3 Rd1) 37... g5 38. Rf3? { (-8.73 → -29.81) Mistake. Best move was Re1. } (38. Re1 g4) 38... Re2+ 39. Kf5?! { (-19.36 → Mate in 1) Checkmate is now unavoidable. Best move was Re3. } (39. Re3 Rxe3+) 39... Re5# { Black wins by checkmate. } 0-1