lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/mAAGGkm1"] [Date "2022.03.25"] [Round "-"] [White "Bogdan_Castravet"] [Black "SorinNovorojdin"] [Result "0-1"] [UTCDate "2022.03.25"] [UTCTime "17:15:00"] [WhiteElo "1502"] [BlackElo "1976"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B07"] [Opening "Pirc Defense #4"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d6?! { (0.12 → 0.73) Inaccuracy. Best move was e6. } { B07 Pirc Defense #4 } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Bc4?! { (0.73 → -0.15) Inaccuracy. Best move was d4. } (2. d4 Nf6 3. Nc3 e6 4. Nf3 Be7 5. Bd3 Nbd7 6. e5 dxe5) 2... e5?! { (-0.15 → 0.63) Inaccuracy. Best move was Nf6. } (2... Nf6 3. Qe2 e6 4. Nf3 Be7 5. e5 dxe5 6. Nxe5 O-O 7. O-O) 3. d3 Nf6 4. Qf3? { (0.75 → -0.63) Mistake. Best move was Nf3. } (4. Nf3 Be7 5. Nc3 O-O 6. O-O h6 7. Bb3 Nc6 8. Be3 Be6 9. Bxe6 fxe6 10. a3 d5) 4... Nc6?! { (-0.63 → -0.13) Inaccuracy. Best move was Be7. } (4... Be7 5. Qe2 c6 6. Nf3 O-O 7. O-O Nbd7 8. a4 Nc5 9. h3 h6 10. Nbd2 d5 11. Ba2) 5. g4?? { (-0.13 → -3.85) Blunder. Best move was Bb5. } (5. Bb5 d5 6. exd5 Nxd5 7. Qe2 Bb4+ 8. c3 O-O 9. Bxc6 bxc6 10. cxb4 Nxb4 11. Nc3 Ba6) 5... Bxg4? { (-3.85 → -2.00) Mistake. Best move was Nd4. } (5... Nd4 6. Qd1 d5 7. g5 dxc4 8. gxf6 Qxf6 9. Nc3 Qg6 10. Kf1 Bg4 11. f3 Be6 12. Be3) 6. Qg3?! { (-2.00 → -2.66) Inaccuracy. Best move was Qg2. } (6. Qg2) 6... h5?! { (-2.66 → -1.79) Inaccuracy. Best move was Nd4. } (6... Nd4 7. Bb3 a5 8. c3 Nxb3 9. axb3 g6 10. c4 Bg7 11. Nc3 O-O 12. Bg5 Be6 13. Nf3) 7. Nh3?? { (-1.79 → -6.35) Blunder. Best move was f3. } (7. f3 Bc8) 7... Bxh3?? { (-6.35 → -1.44) Blunder. Best move was Nd4. } (7... Nd4) 8. Qxh3 Qe7? { (-1.92 → -0.75) Mistake. Best move was Nd4. } (8... Nd4 9. Bb3) 9. Qf3? { (-0.75 → -3.18) Mistake. Best move was Be3. } (9. Be3 g6 10. Nd2 Qd7 11. Qg2 Bg7 12. O-O-O O-O-O 13. Bg5 Nd4 14. Kb1 b5 15. Bb3 Nxb3) 9... Nd4 10. Qf5?? { (-2.66 → -11.95) Blunder. Best move was Qd1. } (10. Qd1 d5 11. Bxd5 Nxd5 12. c3 Nxc3 13. Nxc3 O-O-O 14. a3 Qd7 15. Be3 Qh3 16. Kd2 Kb8) 10... Nxf5 11. exf5 Ng4 12. h4 f6 13. Be3 Nxe3 14. fxe3 O-O-O 15. Bd5 Kb8 16. Nc3 c6 17. Be4 d5 18. Bf3 Qc5 19. d4 exd4 20. Na4 Qa5+ 21. c3 Qxa4 22. b3 Qa6 23. Be2 Qb6 24. cxd4 Bb4+ 25. Kd1 c5 26. dxc5?! { (-17.84 → Mate in 10) Checkmate is now unavoidable. Best move was a3. } (26. a3 Bc3) 26... Qxc5 27. Rc1?! { (-79.52 → Mate in 7) Checkmate is now unavoidable. Best move was a3. } (27. a3 Qc3) 27... Qxe3 28. Bxh5 Qd2# { Black wins by checkmate. } 0-1