lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/BzzBCls5"] [Date "2021.01.20"] [Round "-"] [White "bossul_2"] [Black "FRoman"] [Result "1-0"] [UTCDate "2021.01.20"] [UTCTime "17:30:36"] [WhiteElo "1842"] [BlackElo "1659"] [WhiteRatingDiff "+21"] [BlackRatingDiff "-7"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e6 2. Nf3 Nf6 3. g3 Nc6?! { (-0.17 → 0.74) Inaccuracy. Best move was d5. } (3... d5 4. Bg2 Be7 5. b3 O-O 6. O-O c5 7. Bb2 b5 8. d3 Nc6 9. Nbd2 Nd7 10. a3) 4. Bg2?! { (0.74 → -0.23) Inaccuracy. Best move was d4. } (4. d4 d5 5. Bg2 Be7 6. O-O O-O 7. Nbd2 a5 8. c4 a4 9. Qc2 Nb4 10. Qb1 Bd7) 4... Bc5? { (-0.23 → 0.89) Mistake. Best move was e5. } (4... e5 5. d3 d5 6. O-O Bf5 7. b3 Qd7 8. Bb2 Bg4 9. Nxe5 Nxe5 10. f3 Bxf3 11. Bxf3) 5. O-O d5 6. Nc3? { (1.02 → -0.09) Mistake. Best move was d4. } (6. d4 Bd6 7. c4 O-O 8. b3 b6 9. Bb2 Ne7 10. Qc2 dxc4 11. bxc4 Bb7 12. Nc3 c5) 6... e5? { (-0.09 → 0.92) Mistake. Best move was O-O. } (6... O-O) 7. b3? { (0.92 → -1.53) Mistake. Best move was d4. } (7. d4 exd4) 7... Bg4? { (-1.53 → 0.55) Mistake. Best move was e4. } (7... e4 8. Ne1 h5 9. d3 Bg4 10. Qd2 Bb4 11. dxe4 d4 12. exd4 Qxd4 13. Qxd4 Nxd4 14. Na4) 8. Bb2?? { (0.55 → -3.66) Blunder. Best move was h3. } (8. h3) 8... e4 9. h3 Bxf3 10. Bxf3 exf3 11. Qxf3 Nb4?! { (-3.47 → -2.78) Inaccuracy. Best move was O-O. } (11... O-O 12. Ne2 Be7 13. Bxf6 Bxf6 14. d4 Ne7 15. Nf4 g6 16. c4 c6 17. Nd3 Kg7 18. h4) 12. Rac1?! { (-2.78 → -3.32) Inaccuracy. Best move was a3. } (12. a3 Nc6) 12... O-O 13. e4? { (-2.97 → -4.04) Mistake. Best move was a3. } (13. a3 Na6 14. Ne2 Be7 15. d3 c6 16. Rfd1 Nc7 17. c4 Ne6 18. Kg2 a5 19. a4 g6) 13... dxe4 14. Nxe4 Nxa2?? { (-4.32 → 8.02) Blunder. Best move was Nxe4. } (14... Nxe4 15. Qxe4 Re8 16. Qg4 Bf8 17. a3 Nc6 18. d4 g6 19. Rcd1 Bg7 20. d5 Ne5 21. Qf4) 15. Ra1?? { (8.02 → -1.24) Blunder. Best move was Nxf6+. } (15. Nxf6+) 15... Nb4?? { (-1.24 → 9.65) Blunder. Best move was Nxe4. } (15... Nxe4 16. Qxe4 Re8 17. Qf5 Bf8 18. Rxa2 Qxd2 19. Ra4 Qh6 20. Qf3 Qxh3 21. Qxb7 Rad8 22. Qf3) 16. Rfe1?? { (9.65 → -4.42) Blunder. Best move was Nxf6+. } (16. Nxf6+ gxf6 17. Bxf6 Qxf6 18. Qxf6 Nxc2 19. Qg5+ Kh8 20. Qxc5 Nxa1 21. Rxa1 f6 22. Qxc7 b5) 16... Nxc2?? { (-4.42 → 3.50) Blunder. Best move was Be7. } (16... Be7 17. Rac1) 17. Nxf6+ gxf6 18. Qg4+?? { (3.30 → 0.01) Blunder. Best move was Bxf6. } (18. Bxf6) 18... Kh8 19. Qf4?? { (0.35 → -6.66) Blunder. Best move was Qf5. } (19. Qf5) 19... Nxe1?? { (-6.66 → 8.61) Blunder. Best move was Bd4. } (19... Bd4) 20. Bxf6+ Qxf6 21. Qxf6+ Kg8 22. Rxe1 Rad8? { (7.77 → 9.60) Mistake. Best move was Rae8. } (22... Rae8 23. Qg5+) 23. Re5?! { (9.60 → 8.72) Inaccuracy. Best move was Qg5+. } (23. Qg5+) 23... Rxd2? { (8.72 → Mate in 1) Checkmate is now unavoidable. Best move was Bxf2+. } (23... Bxf2+ 24. Kxf2 h6 25. Qxh6 Rd6 26. Qg5+ Rg6 27. Qh4 f5 28. Qc4+ Kh7 29. Re7+ Rg7 30. Qxc7) 24. Rg5# { White wins by checkmate. } 1-0