lichess dev

[Event "Black12 Arena"] [Site "http://chess-academy.net/y8ySLtBV"] [Date "2026.04.21"] [Round "-"] [White "Petrica"] [Black "Markits"] [Result "0-1"] [UTCDate "2026.04.21"] [UTCTime "16:05:27"] [WhiteElo "1330"] [BlackElo "1468"] [WhiteRatingDiff "-66"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e5 2. Bc4? { (0.41 → -0.61) Mistake. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... c6?! { (-0.61 → -0.09) Inaccuracy. Best move was d5. } (2... d5 3. Bb3 Nf6 4. d4 exd4 5. exd4 Bd6 6. Ne2 c6 7. Bf4) 3. Qh5? { (-0.09 → -1.31) Mistake. Best move was Bb3. } (3. Bb3 d5 4. c4 dxc4 5. Bxc4 Nf6 6. d4 exd4 7. exd4 b5 8. Bb3 a5 9. Nc3 Bd6) 3... d5? { (-1.31 → 0.52) Mistake. Best move was Qe7. } (3... Qe7) 4. Bd3? { (0.52 → -2.19) Mistake. Best move was Qxe5+. } (4. Qxe5+ Be6) 4... e4?! { (-2.19 → -1.55) Inaccuracy. Best move was Bd6. } (4... Bd6) 5. Be2?! { (-1.55 → -2.38) Inaccuracy. Best move was Bf1. } (5. Bf1) 5... Qf6?! { (-2.38 → -1.44) Inaccuracy. Best move was Bd6. } (5... Bd6 6. f4) 6. b3?? { (-1.44 → -12.45) Blunder. Best move was f4. } (6. f4 g6 7. Qg5 Qxg5 8. fxg5 h6 9. gxh6 Rxh6 10. h3 Bd6 11. Bd1 Be6 12. Ne2 Nd7) 6... g6 7. Qh3 Bxh3 8. gxh3 d4?! { (-21.41 → -9.15) Inaccuracy. Best move was Qxa1. } (8... Qxa1 9. Nc3 Qxc1+ 10. Bd1 Qb2 11. f3 Bb4 12. Na4 Qxa2 13. fxe4 dxe4 14. Ne2 Nf6 15. Nec3) 9. exd4?! { (-9.15 → -11.05) Inaccuracy. Best move was Bb2. } (9. Bb2 c5 10. Bf1 Nc6 11. Na3 Qh4 12. Ne2 O-O-O 13. Ng3 Nb4 14. Bg2 f5 15. O-O Nf6) 9... c5? { (-11.05 → -8.72) Mistake. Best move was Qxd4. } (9... Qxd4 10. c3 Qf6 11. Ba3 Nd7 12. Bxf8 Kxf8 13. Na3 Qg5 14. Bf1 Ne5 15. O-O-O Ne7 16. Nc2) 10. Bb2? { (-8.72 → -9.94) Mistake. Best move was Nc3. } (10. Nc3 Nc6) 10... cxd4 11. c3 dxc3? { (-14.54 → -8.78) Mistake. Best move was d3. } (11... d3 12. Ba3 dxe2 13. Bxf8 Kxf8 14. Nxe2 Qf3 15. Rf1 Qxh3 16. Nd4 Qxh2 17. Na3 Nf6 18. Nc4) 12. Bxc3?! { (-8.78 → -9.73) Inaccuracy. Best move was Nxc3. } (12. Nxc3 Nc6 13. O-O-O Bg7 14. f3 exf3 15. Nxf3 Qf5 16. Rhf1 Nb4 17. Nd4 Qxh3 18. Rf3 Qg2) 12... Qh4?! { (-9.73 → -8.75) Inaccuracy. Best move was Qg5. } (12... Qg5 13. Bxh8) 13. d3? { (-8.75 → -12.07) Mistake. Best move was Bxh8. } (13. Bxh8 Bc5 14. Kd1 Qxf2 15. Bb5+ Nc6 16. Ne2 O-O-O 17. Bc3 Nge7 18. Kc1 a6 19. Bxc6 Nxc6) 13... exd3 14. Bxd3 Bc5 15. Bb5+ Nc6 16. Na3?! { (-14.85 → Mate in 6) Checkmate is now unavoidable. Best move was Nd2. } (16. Nd2 Qxf2+) 16... Qxf2+ 17. Kd1 Qg2?! { (Mate in 5 → -18.71) Lost forced checkmate sequence. Best move was O-O-O+. } (17... O-O-O+ 18. Bd4 Rxd4+ 19. Bd3 Rxd3+ 20. Kc1 Bxa3+ 21. Kb1 Rd1#) 18. Ne2 Qxh1+ 19. Kd2 Qd5+ 20. Bd3 Bxa3 21. Bxh8?! { (-24.29 → Mate in 18) Checkmate is now unavoidable. Best move was Nf4. } (21. Nf4 Qd6) 21... Qg5+?! { (Mate in 18 → -23.77) Lost forced checkmate sequence. Best move was O-O-O. } (21... O-O-O) 22. Kc3 Qh4 23. Nd4?! { (-20.00 → Mate in 11) Checkmate is now unavoidable. Best move was Rf1. } (23. Rf1 O-O-O) 23... Bb4+ 24. Kc4 Qxd4+?! { (Mate in 6 → -10.05) Lost forced checkmate sequence. Best move was O-O-O. } (24... O-O-O 25. Bf5+ gxf5 26. Rf1 Rxd4+ 27. Bxd4 Qxd4+ 28. Kb5 Qd5+ 29. Ka4 Qa5#) 25. Kb5?! { (-10.05 → Mate in 2) Checkmate is now unavoidable. Best move was Bxd4. } (25. Bxd4 O-O-O 26. Bxa7 Bd2 27. Be4 Nxa7 28. b4 b5+ 29. Kb3 Rd4 30. Bg2 Bxb4 31. a4 Nf6) 25... a6+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qxd3+. } (25... Qxd3+ 26. Ka4 b5#) 26. Ka4 b5+ 27. Bxb5 axb5+ 28. Kxb5 Qc5# { Black wins by checkmate. } 0-1