lichess dev

[Event "Lasker Arena"] [Site "http://chess-academy.net/NvMaW1Nr"] [Date "2020.07.14"] [Round "-"] [White "sirbumaria"] [Black "Tabacarum"] [Result "1-0"] [UTCDate "2020.07.14"] [UTCTime "16:28:01"] [WhiteElo "1617"] [BlackElo "1336"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-5"] [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. Nh3?! { (0.34 → -0.44) Inaccuracy. Best move was d4. } (2. d4 d5 3. c4 Nf6 4. Nf3 c5 5. Nc3 Nc6 6. Be2 cxd4) 2... d5 3. Qf3? { (0.05 → -1.21) Mistake. Best move was d4. } (3. d4 c5) 3... Nf6 4. Na3? { (-0.92 → -2.31) Mistake. Best move was d4. } (4. d4 c5 5. Nf4 Nc6 6. c3 Bd6 7. Bb5 O-O 8. O-O Bd7 9. Bd3 c4 10. Bc2 b5) 4... c5?! { (-2.31 → -1.32) Inaccuracy. Best move was Nc6. } (4... Nc6 5. c4) 5. Ng5? { (-1.32 → -2.50) Mistake. Best move was b3. } (5. b3 a6 6. Bb2 Nc6 7. Bxf6 gxf6 8. Nf4 c4 9. Nb1 Nb4 10. Kd1 Rg8 11. Nh5 Be7) 5... b5? { (-2.50 → 0.33) Mistake. Best move was h6. } (5... h6 6. Nh3) 6. Nxb5? { (0.33 → -0.92) Mistake. Best move was Bxb5+. } (6. Bxb5+) 6... c4? { (-0.92 → 1.05) Mistake. Best move was h6. } (6... h6 7. Nh3) 7. Qf4 Rg8?? { (0.78 → 6.28) Blunder. Best move was Na6. } (7... Na6 8. b3) 8. b3?? { (6.28 → 2.19) Blunder. Best move was Nc7+. } (8. Nc7+) 8... a6?? { (2.19 → 8.16) Blunder. Best move was Na6. } (8... Na6 9. Bb2 h6 10. Nf3 Ne4 11. Ne5 f6 12. Nxc4 e5 13. Bxe5 fxe5 14. Qxe5+ Kf7 15. Bd3) 9. Nd4?? { (8.16 → -1.58) Blunder. Best move was Nc7+. } (9. Nc7+ Kd7 10. Nxa8 Bd6 11. Qd4 Ke7 12. bxc4 Nbd7 13. Rb1 Qa5 14. Nb6 Bc5 15. Nxc8+ Rxc8) 9... Qa5?? { (-1.58 → 2.05) Blunder. Best move was h6. } (9... h6 10. bxc4) 10. bxc4 dxc4? { (1.65 → 3.64) Mistake. Best move was h6. } (10... h6 11. Ngf3 g5 12. Nxg5 Qd8 13. Nh3 Nbd7 14. Nc6 Qb6 15. Ne5 Nxe5 16. Qxe5 Nd7 17. Qb2) 11. Rb1 Ba3?? { (3.30 → 8.74) Blunder. Best move was Nbd7. } (11... Nbd7) 12. Bxa3 Qxa3 13. Rxb8? { (8.62 → 6.17) Mistake. Best move was Qc7. } (13. Qc7 Bd7 14. Bxc4 Ke7 15. Qb7 Qc5 16. Qxa8 Qxg5 17. Rxb8 Rxb8 18. Qxb8 Qxg2 19. Rf1 a5) 13... Rxb8 14. Qxb8 Qxa2?? { (6.77 → Mate in 7) Checkmate is now unavoidable. Best move was Qc5. } (14... Qc5 15. Qa8 Nd7 16. Be2 Qc7 17. O-O h6 18. Ne4 Nb6 19. Qc6+ Qxc6 20. Nxc6 Bb7 21. Rb1) 15. Qxc8+ Ke7 16. Bxc4? { (Mate in 6 → 7.99) Lost forced checkmate sequence. Best move was Qc7+. } (16. Qc7+ Nd7 17. Nc6+ Kf6 18. Ne4+ Kg6 19. Qg3+ Kf5 20. Ne7+ Kxe4 21. f3#) 16... Qb1+?! { (7.99 → 8.87) Inaccuracy. Best move was Qa1+. } (16... Qa1+) 17. Ke2 Qxh1? { (8.41 → Mate in 5) Checkmate is now unavoidable. Best move was Rxc8. } (17... Rxc8 18. Rxb1) 18. Qc7+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Nc6+. } (18. Nc6+ Kd6 19. Nxf7+ Kc5 20. Qxa6 Qf1+ 21. Kxf1 Rb8 22. d4#) 18... Ke8 19. Qxf7+ Kd8 20. Qxe6?! { (Mate in 2 → Mate in 7) Not the best checkmate sequence. Best move was Ndxe6+. } (20. Ndxe6+ Kc8 21. Qc7#) 20... Rf8 21. Qb6+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qd6+. } (21. Qd6+ Ke8 22. Nf5 Qd1+ 23. Kxd1 Nd7 24. Qe7#) 21... Kd7 22. Be6+ Ke7 23. Nc6+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Nf5+. } { Black resigns. } (23. Nf5+ Ke8 24. Qb8#) 1-0