lichess dev

[Event "UltraBullet Shield Arena"] [Site "http://chess-academy.net/n527ksZK"] [Date "2024.10.13"] [Round "-"] [White "RussiaFederation"] [Black "Sudzha"] [Result "0-1"] [UTCDate "2024.10.13"] [UTCTime "13:18:36"] [WhiteElo "1566"] [BlackElo "1836"] [WhiteRatingDiff "-28"] [BlackRatingDiff "+28"] [Variant "Standard"] [TimeControl "15+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Time forfeit"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } c6?! { (-0.02 → 0.89) Inaccuracy. Best move was d5. } (1... d5 2. d4 Nf6 3. c4 e6 4. Nf3 Be7 5. cxd5 exd5 6. Bd3) 2. f3? { (0.89 → -0.65) Mistake. Best move was Nf3. } (2. Nf3) 2... Nf6?! { (-0.65 → -0.08) Inaccuracy. Best move was e5. } (2... e5 3. d4 exd4 4. exd4 d5 5. Qe2+ Be7 6. Nc3 Nf6 7. Bf4) 3. f4 e6?! { (-0.48 → 0.25) Inaccuracy. Best move was d5. } (3... d5 4. Nf3) 4. f5? { (0.25 → -2.29) Mistake. Best move was Be2. } (4. Be2 c5 5. Nf3 Be7 6. O-O O-O 7. b3 b6 8. Ne5 Bb7 9. Bf3 Qc7 10. Bb2 d6) 4... Be7? { (-2.29 → -0.28) Mistake. Best move was exf5. } (4... exf5) 5. g4? { (-0.28 → -2.95) Mistake. Best move was fxe6. } (5. fxe6) 5... O-O? { (-2.95 → -1.14) Mistake. Best move was exf5. } (5... exf5 6. gxf5) 6. g5 exf5? { (-1.99 → 0.64) Mistake. Best move was Ne8. } (6... Ne8 7. f6 gxf6 8. gxf6 Bxf6 9. Nf3 Kh8 10. d3 e5 11. Rg1 d5 12. e4 Be6 13. Qe2) 7. gxf6 Bxf6 8. Nf3?! { (0.89 → 0.35) Inaccuracy. Best move was Nh3. } (8. Nh3) 8... Bh4+ 9. Nxh4?! { (0.57 → 0.00) Inaccuracy. Best move was Ke2. } (9. Ke2) 9... Qxh4+ 10. Ke2 Qh5+ 11. Kd3?? { (-0.24 → -13.76) Blunder. Best move was Ke1. } (11. Ke1 Qh4+) 11... Qxd1 12. Be2 Qxh1 13. Bf3 Qxf3 14. Kc3 Qe4 15. d4 d5 16. Bd2 Nd7 17. Na3 Nb6 18. Nb5?! { (-23.42 → Mate in 11) Checkmate is now unavoidable. Best move was b3. } (18. b3 Re8 19. Rc1 Qf3 20. h4 f4 21. Kb2 Qg2 22. Ba5 fxe3 23. h5 Qf2 24. h6 e2) 18... Na4+ 19. Kb3 cxb5 20. Kb4?! { (-40.44 → Mate in 4) Checkmate is now unavoidable. Best move was Rc1. } (20. Rc1 Qg2) 20... Qe8?! { (Mate in 4 → -30.83) Lost forced checkmate sequence. Best move was Qxc2. } (20... Qxc2 21. Rb1 a5+ 22. Ka3 Nxb2 23. Rxb2 Qa4#) 21. Ka5?! { (-30.83 → Mate in 5) Checkmate is now unavoidable. Best move was Kb3. } (21. Kb3 Nc5+) 21... Qc6 22. Kb4 b6?! { (Mate in 4 → Mate in 7) Not the best checkmate sequence. Best move was a5+. } (22... a5+ 23. Ka3 Qxc2 24. Rb1 Nxb2 25. Rxb2 Qa4#) 23. b3 a5+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Qd6+. } (23... Qd6+ 24. Kxb5 a6+ 25. Kxa4 Bd7#) 24. Ka3 Qd6+?! { (Mate in 4 → Mate in 6) Not the best checkmate sequence. Best move was b4+. } (24... b4+ 25. Bxb4 axb4+ 26. Kxb4 Qc3+ 27. Ka3 Nb2#) 25. b4 axb4+ 26. Bxb4 Nc3+?! { (Mate in 5 → Mate in 12) Not the best checkmate sequence. Best move was Qc7. } (26... Qc7 27. c3 Qxh2 28. Rb1 Qc2 29. Ba5 Qxb1 30. c4 Qb2#) 27. Kb3 Ra3+ 28. Bxa3?! { (-30.71 → Mate in 9) Checkmate is now unavoidable. Best move was Kxa3. } (28. Kxa3 Qc6) 28... Qc6 29. Bb4 Qc4+ 30. Kb2 Nb1?! { (Mate in 7 → -23.18) Lost forced checkmate sequence. Best move was Qxb4+. } (30... Qxb4+ 31. Kc1 Ne4 32. a3 Qe1+ 33. Kb2 Qc3+ 34. Kb1 Nd2+ 35. Kc1 Nb3+ 36. Kd1 Qd2#) 31. Kc1?! { (-23.18 → Mate in 10) Checkmate is now unavoidable. Best move was Bxf8. } (31. Bxf8 Nc3) 31... Qf1+?! { (Mate in 10 → -21.66) Lost forced checkmate sequence. Best move was Nc3. } { Black wins on time. } (31... Nc3 32. Bxc3 Qxc3 33. Rb1 Qxe3+ 34. Kb2 Qxd4+ 35. c3 Qd2+ 36. Kb3 d4 37. a4 Qxc3+ 38. Ka2) 0-1