lichess dev

[Event "Koppel Arena"] [Site "http://chess-academy.net/Gt7cH4gA"] [Date "2026.01.24"] [Round "-"] [White "RomanSereda"] [Black "Mate2017"] [Result "1-0"] [UTCDate "2026.01.24"] [UTCTime "17:32:41"] [WhiteElo "1662"] [BlackElo "1394"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "420+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e6 2. Qf3? { (0.34 → -0.82) Mistake. Best move was d4. } (2. d4 d5 3. c4 Nf6 4. Nf3 c5 5. Nc3 Nc6 6. Be2 cxd4) 2... c6?! { (-0.82 → 0.00) Inaccuracy. Best move was Nf6. } (2... Nf6 3. d4 c5 4. Qd1 d5 5. Nf3 Be7 6. Be2 O-O 7. O-O) 3. Nh3? { (0.00 → -1.18) Mistake. Best move was d4. } (3. d4 d5) 3... e5? { (-1.18 → 0.39) Mistake. Best move was d5. } (3... d5) 4. Bc4? { (0.39 → -1.76) Mistake. Best move was d4. } (4. d4) 4... d5 5. Bb3? { (-1.10 → -2.19) Mistake. Best move was Be2. } (5. Be2 Nf6 6. Qg3 Bd6 7. d3 O-O 8. O-O Re8 9. Nd2 Na6 10. a3 Nc5 11. b3 Ne6) 5... e4?! { (-2.19 → -1.45) Inaccuracy. Best move was Nf6. } (5... Nf6 6. Qe2) 6. Qf4? { (-1.45 → -3.72) Mistake. Best move was Qe2. } (6. Qe2) 6... Nd7? { (-3.72 → -1.33) Mistake. Best move was Bd6. } (6... Bd6 7. Qg5) 7. d3 exd3 8. cxd3 Nc5?! { (-1.69 → -1.06) Inaccuracy. Best move was Ngf6. } (8... Ngf6 9. O-O) 9. Qf3?? { (-1.06 → -4.15) Blunder. Best move was Qe5+. } (9. Qe5+ Be7 10. Bc2 Bxh3 11. gxh3 Ne6 12. Nd2 Bd6 13. Qh5 Nf6 14. Qd1 O-O 15. Nf3 d4) 9... Ne6?? { (-4.15 → -0.35) Blunder. Best move was Nxd3+. } (9... Nxd3+ 10. Ke2) 10. e4? { (-0.35 → -1.49) Mistake. Best move was O-O. } (10. O-O Bd6) 10... dxe4? { (-1.49 → 0.01) Mistake. Best move was Nd4. } (10... Nd4 11. Qg3) 11. dxe4 c5? { (-0.66 → 2.27) Mistake. Best move was Nf6. } (11... Nf6 12. Bxe6) 12. Bxe6? { (2.27 → 0.65) Mistake. Best move was Ng5. } (12. Ng5 Nh6) 12... fxe6? { (0.65 → 2.63) Mistake. Best move was Bxe6. } (12... Bxe6) 13. Ng5? { (2.63 → 0.73) Mistake. Best move was Nc3. } (13. Nc3 Bd7) 13... Nh6? { (0.73 → 1.86) Mistake. Best move was Qf6. } (13... Qf6) 14. O-O?! { (1.86 → 1.06) Inaccuracy. Best move was Nc3. } (14. Nc3 Bd7) 14... Be7? { (1.06 → 3.73) Mistake. Best move was Qf6. } (14... Qf6 15. Qb3 Bd6 16. Qd3 Bc7 17. Qb5+ Bd7 18. Qxb7 Rc8 19. h3 Nf7 20. Nxf7 Qxf7 21. Be3) 15. Nh3?? { (3.73 → 0.02) Blunder. Best move was Rd1. } (15. Rd1 Qc7) 15... Bh4?? { (0.02 → 6.06) Blunder. Best move was Nf7. } (15... Nf7 16. Rd1) 16. Bxh6 gxh6 17. Qh5+ Kf8 18. Qxh6+?? { (6.58 → 3.37) Blunder. Best move was Rd1. } (18. Rd1 Qe7) 18... Kg8 19. Qh5 Bg5?? { (3.40 → 8.81) Blunder. Best move was Bf6. } (19... Bf6 20. Nc3) 20. Nxg5 Kg7? { (8.16 → 9.73) Mistake. Best move was Qf6. } (20... Qf6) 21. Qg4? { (9.73 → 7.76) Mistake. Best move was Qf7+. } (21. Qf7+) 21... Kg6? { (7.76 → 21.65) Mistake. Best move was Qf6. } (21... Qf6 22. Nf3+) 22. Nxe6+ Kf7 23. Nxd8+ Rxd8 24. Qf3+ Kg6 25. h4 Bd7 26. h5+ Kh6?! { (17.67 → Mate in 10) Checkmate is now unavoidable. Best move was Kg7. } (26... Kg7) 27. g4?! { (Mate in 10 → 17.64) Lost forced checkmate sequence. Best move was Qf6+. } (27. Qf6+ Kxh5 28. f3 Rg8 29. g4+ Bxg4 30. fxg4+ Rxg4+ 31. Kf2 Rh4 32. Rg1 Rg8 33. Qe5+ Kh6) 27... Bb5?! { (17.64 → Mate in 1) Checkmate is now unavoidable. Best move was Rf8. } (27... Rf8 28. Qe3+ Kg7 29. Qg5+ Kf7 30. Qd5+ Ke8 31. Qxb7 Rd8 32. f3 Rf7 33. Qa6 Rc8 34. Nc3) 28. Qf6# { White wins by checkmate. } 1-0