lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/0ymL9E54"] [Date "2021.03.15"] [Round "-"] [White "OlaruSofi"] [Black "albertdannecy"] [Result "1-0"] [UTCDate "2021.03.15"] [UTCTime "17:59:44"] [WhiteElo "1407"] [BlackElo "1289"] [WhiteRatingDiff "+7"] [BlackRatingDiff "-83"] [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. 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... Qf6? { (-0.82 → 0.49) Mistake. Best move was Nf6. } (2... Nf6 3. d4 c5 4. Qd1 d5 5. Nf3 Be7 6. Be2 O-O 7. O-O) 3. Nh3? { (0.49 → -0.71) Mistake. Best move was d4. } (3. d4 d5 4. c4 Qd8 5. Qd1 c5 6. Nf3 Nc6 7. Bd3 Nf6 8. O-O Bd6 9. cxd5 exd5) 3... Bc5? { (-0.71 → 0.62) Mistake. Best move was Qxf3. } (3... Qxf3 4. gxf3) 4. d4?! { (0.62 → -0.05) Inaccuracy. Best move was Nf4. } (4. Nf4) 4... Bxd4?? { (-0.05 → 3.66) Blunder. Best move was Qxf3. } (4... Qxf3 5. gxf3 Bf8 6. Bd2 a6 7. Nc3 Ne7 8. Nf4 Nbc6 9. Nd3 d5 10. Ne2 g6 11. f4) 5. exd4 e5? { (3.08 → 4.81) Mistake. Best move was Qxf3. } (5... Qxf3 6. gxf3 Nc6 7. Be3 d5 8. Nc3 Bd7 9. O-O-O Nge7 10. Nf4 O-O-O 11. Nh5 Nf5 12. Rg1) 6. dxe5?! { (4.81 → 4.25) Inaccuracy. Best move was Qxf6. } (6. Qxf6 gxf6 7. Nc3 Ne7 8. Ne4 Ng8 9. Bc4 h6 10. Be3 d6 11. O-O-O Be6 12. Bxe6 fxe6) 6... Qxe5+ 7. Be2 d5? { (4.21 → 5.70) Mistake. Best move was Nc6. } (7... Nc6 8. Nc3) 8. O-O?! { (5.70 → 4.94) Inaccuracy. Best move was Nc3. } (8. Nc3 Nf6 9. Bf4 Qe7 10. O-O-O Be6 11. Qg3 O-O 12. Bxc7 Rc8 13. Bd6 Qd8 14. Ng5 Nc6) 8... f6?? { (4.94 → 8.81) Blunder. Best move was Nf6. } (8... Nf6 9. Bf4) 9. Bf4? { (8.81 → 7.54) Mistake. Best move was Re1. } (9. Re1 Nc6 10. Nc3 Bxh3 11. Bf4 Qe6 12. Bb5 Kf7 13. Rxe6 Bxe6 14. Nxd5 Nd4 15. Qd3 c6) 9... Qxb2? { (7.54 → 10.87) Mistake. Best move was Qe4. } (9... Qe4 10. Re1 Qxf3 11. Bxf3+ Ne7 12. Nc3 Kf8 13. Bxc7 Bxh3 14. Nxd5 Nf5 15. Rad1 Nc6 16. Nf4) 10. Qxd5?? { (10.87 → 4.66) Blunder. Best move was Nc3. } (10. Nc3 Nc6 11. Nxd5 Kf8 12. Nxc7 Ne5 13. Qe3 Ne7 14. Bxe5 Qxe5 15. Qxe5 fxe5 16. Nxa8 Bxh3) 10... Qxa1?? { (4.66 → 9.24) Blunder. Best move was Ne7. } (10... Ne7 11. Qb3 Qxb3 12. axb3 Nbc6 13. Rd1 Bf5 14. Na3 Rd8 15. Bxc7 Rd7 16. Bg3 Rxd1+ 17. Rxd1) 11. Qxb7?? { (9.24 → -15.03) Blunder. Best move was Bc4. } (11. Bc4 Ne7) 11... Bxb7 12. Bxc7 Qc3?? { (-15.08 → 1.08) Blunder. Best move was Ne7. } (12... Ne7 13. Re1 Qxa2 14. Bd3 Nc6 15. Nc3 Qb2 16. Nd5 Kd7 17. Nxe7 Kxc7 18. Nf4 Ne5 19. Bf5) 13. Nxc3 Nh6? { (0.76 → 3.44) Mistake. Best move was Nc6. } (13... Nc6) 14. Bb5+? { (3.44 → 0.46) Mistake. Best move was Rb1. } (14. Rb1 Bc6 15. Bxb8 O-O 16. Bc4+ Kh8 17. Bf4 Rfc8 18. Bxh6 gxh6 19. Bd3 Rab8 20. Rxb8 Rxb8) 14... Ke7?? { (0.46 → Mate in 14) Checkmate is now unavoidable. Best move was Bc6. } (14... Bc6 15. Bc4 Nd7 16. Re1+ Ne5 17. f4 Kd7 18. Bxe5 fxe5 19. fxe5 Rab8 20. Nf4 Rb4 21. Rd1+) 15. Re1+ Kf7 16. Bc4+ Kg6 17. Bd3+?? { (10.97 → 4.96) Blunder. Best move was Nf4+. } (17. Nf4+ Kg5 18. h4+ Kxh4 19. Re3 Re8 20. Rxe8 Na6 21. Rxa8 Bxa8 22. Bxa6 Nf5 23. Ne6 Kh5) 17... f5?? { (4.96 → Mate in 7) Checkmate is now unavoidable. Best move was Nf5. } (17... Nf5) 18. Re6+ Kh5 19. Be2+? { (Mate in 6 → 7.53) Lost forced checkmate sequence. Best move was Ne2. } (19. Ne2 Bf3 20. Bg3 g5 21. Nef4+ gxf4 22. Nxf4+ Kg5 23. gxf3 Ng4 24. h4#) 19... Kh4? { (7.53 → Mate in 1) Checkmate is now unavoidable. Best move was Ng4. } (19... Ng4 20. g3) 20. Bg3# { White wins by checkmate. } 1-0