lichess dev

[Event "Chigorin Arena"] [Site "http://chess-academy.net/ojTRYBcZ"] [Date "2023.02.12"] [Round "-"] [White "Aleksey_Mirochenko"] [Black "Boris"] [Result "0-1"] [UTCDate "2023.02.12"] [UTCTime "10:16:39"] [WhiteElo "1659"] [BlackElo "1865"] [WhiteRatingDiff "-65"] [BlackRatingDiff "+29"] [Variant "Standard"] [TimeControl "300+0"] [ECO "C20"] [Opening "Bishop's Opening: Boi Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 Bc5?! { (-0.16 → 0.44) Inaccuracy. Best move was Nf6. } { C20 Bishop's Opening: Boi Variation } (2... Nf6 3. Nc3 Bc5 4. Nf3 d6 5. d3 c6 6. O-O O-O 7. a4) 3. Nc3?! { (0.44 → -0.33) Inaccuracy. Best move was Nf3. } (3. Nf3 Nc6 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4) 3... d6?! { (-0.33 → 0.28) Inaccuracy. Best move was Nf6. } (3... Nf6 4. Nf3) 4. d3 Nc6?! { (-0.20 → 0.66) Inaccuracy. Best move was Nf6. } (4... Nf6 5. Nf3 O-O 6. O-O c6 7. Bb3 a5 8. a4 Nbd7 9. Ne2 Qc7 10. c3 d5 11. Ng3) 5. Nf3?! { (0.66 → -0.22) Inaccuracy. Best move was Qh5. } (5. Qh5 Qd7 6. Nge2 Nf6 7. Qf3 Qg4 8. Qxg4 Bxg4 9. Bg5 Bxe2 10. Kxe2 Nd4+ 11. Kd2 Nd7) 5... Nf6?! { (-0.22 → 0.34) Inaccuracy. Best move was Na5. } (5... Na5 6. Bb3) 6. O-O O-O 7. Bg5 Qe7? { (0.09 → 2.76) Mistake. Best move was Be6. } (7... Be6 8. Nd5 Bxd5 9. Bxd5 h6 10. Bxf6 Qxf6 11. Bxc6 bxc6 12. c3 Rfe8 13. Qc2 a5 14. Qa4) 8. Bxf6? { (2.76 → -0.03) Mistake. Best move was Nd5. } (8. Nd5 Qd8) 8... Qxf6 9. Nd5 Qd8 10. Qd2?! { (0.33 → -0.51) Inaccuracy. Best move was c3. } (10. c3 Ne7 11. Ne3 c6 12. d4 exd4 13. cxd4 Bb6 14. Bd3 Ng6 15. Bc2 Bd7 16. h3 Ba5) 10... Be6? { (-0.51 → 0.99) Mistake. Best move was Bg4. } (10... Bg4) 11. Ng5? { (0.99 → -0.33) Mistake. Best move was b4. } (11. b4 Bb6) 11... Bxd5 12. Bxd5 h6?! { (-0.33 → 0.38) Inaccuracy. Best move was Ne7. } (12... Ne7 13. Bxb7 Rb8 14. b4 Bd4 15. c3 Bxc3 16. Qxc3 Rxb7 17. f4 exf4 18. Nh3 c6 19. d4) 13. Bxc6?! { (0.38 → -0.44) Inaccuracy. Best move was Nf3. } (13. Nf3 Ne7) 13... hxg5?! { (-0.44 → 0.07) Inaccuracy. Best move was Qxg5. } (13... Qxg5 14. Qxg5) 14. Bxb7 Rb8 15. Bd5 Rxb2 16. Rfb1 Rxb1+ 17. Rxb1 Qb8?? { (-0.66 → 10.55) Blunder. Best move was Bb6. } (17... Bb6) 18. Rxb8 Rxb8 19. Qxg5?? { (10.43 → Mate in 2) Checkmate is now unavoidable. Best move was Bb3. } (19. Bb3) 19... Rb1+ 20. Qc1 Rxc1# { Black wins by checkmate. } 0-1