lichess dev

[Event "Koltanowski Arena"] [Site "http://chess-academy.net/geTwPDat"] [Date "2025.03.06"] [Round "-"] [White "RomanSereda"] [Black "Kursk"] [Result "0-1"] [UTCDate "2025.03.06"] [UTCTime "17:49:18"] [WhiteElo "1208"] [BlackElo "2174"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "600+0"] [ECO "B20"] [Opening "Sicilian Defense: Bowdler Attack"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c5 2. Bc4?! { (0.53 → -0.09) Inaccuracy. Best move was Ne2. } { B20 Sicilian Defense: Bowdler Attack } (2. Ne2 Nf6 3. Nbc3 d5 4. exd5 Nxd5 5. Nxd5 Qxd5 6. Nc3 Qe5+) 2... Nc6 3. Qh5? { (-0.04 → -1.38) Mistake. Best move was Nf3. } (3. Nf3 e6) 3... e6 4. Bxe6?? { (-0.92 → -4.47) Blunder. Best move was Qe2. } (4. Qe2) 4... dxe6 5. Qf3? { (-3.79 → -4.92) Mistake. Best move was d3. } (5. d3) 5... Nf6 6. Nh3? { (-4.44 → -6.20) Mistake. Best move was Ne2. } (6. Ne2 e5 7. O-O Bg4 8. Qe3 Nd4 9. Nxd4 cxd4 10. Qg3 Bd6 11. h3 Be6 12. d3 O-O) 6... Nd4 7. Qd3? { (-5.74 → -7.73) Mistake. Best move was Qd1. } (7. Qd1 Nxe4 8. O-O Nf6 9. d3 Be7 10. Nd2 O-O 11. Re1 e5 12. Ng5 Nd5 13. Ngf3 f6) 7... Be7?? { (-7.73 → -4.62) Blunder. Best move was c4. } (7... c4 8. Qxc4 Nxe4 9. b4 e5 10. Bb2 Nd6 11. Qc5 f6 12. Bxd4 Nf5 13. Qa5 Qxa5 14. bxa5) 8. Ng5?? { (-4.62 → -8.66) Blunder. Best move was c3. } (8. c3 Nc6) 8... h6?? { (-8.66 → -4.94) Blunder. Best move was Nh5. } (8... Nh5) 9. Nxf7?? { (-4.94 → -8.40) Blunder. Best move was Nf3. } (9. Nf3 e5 10. Nxe5 Nh5 11. g3 Bf6 12. c3 Bxe5 13. cxd4 Bxd4 14. Qb5+ Bd7 15. Qe2 Nf6) 9... Kxf7 10. O-O? { (-8.31 → -10.09) Mistake. Best move was Na3. } (10. Na3 e5) 10... Qc7? { (-10.09 → -8.42) Mistake. Best move was c4. } (10... c4) 11. Qf3? { (-8.42 → -20.28) Mistake. Best move was b3. } (11. b3) 11... e5? { (-20.28 → -8.55) Mistake. Best move was Nxf3+. } (11... Nxf3+ 12. gxf3 Qf4 13. d4 Qxf3 14. Nd2 Qg4+ 15. Kh1 Qe2 16. Kg1 Nxe4 17. Nxe4 Qxe4 18. dxc5) 12. Re1? { (-8.55 → -19.80) Mistake. Best move was Qd1. } (12. Qd1 Nxe4) 12... Nxf3+ 13. gxf3 Bh3 14. Kh1 Qd7 15. Rg1?! { (-17.59 → Mate in 7) Checkmate is now unavoidable. Best move was Nc3. } (15. Nc3) 15... Nh5?! { (Mate in 7 → -19.44) Lost forced checkmate sequence. Best move was Qd4. } (15... Qd4 16. Rg2 Nxe4 17. Kg1 Bxg2 18. fxe4 Bh4 19. Kxg2 Qxf2+ 20. Kh3 Qf3+ 21. Kxh4 g5#) 16. Rg2?! { (-19.44 → Mate in 5) Checkmate is now unavoidable. Best move was Nc3. } (16. Nc3 Qd4) 16... Bxg2+ 17. Kxg2 Nf4+ 18. Kg3 Qh3# { Black wins by checkmate. } 0-1