lichess dev

[Event "Pachman Arena"] [Site "http://chess-academy.net/zQRgDVBb"] [Date "2025.03.15"] [Round "-"] [White "Alex_Serbinov"] [Black "Casian17"] [Result "0-1"] [UTCDate "2025.03.15"] [UTCTime "17:35:50"] [WhiteElo "1129"] [BlackElo "1463"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D01"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. Nc3?! { (0.53 → -0.15) Inaccuracy. Best move was c4. } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... Nf6 { D01 Queen's Pawn Game: Chigorin Variation } 3. e3 Nc6?! { (-0.31 → 0.29) Inaccuracy. Best move was e6. } (3... e6 4. Bd3 c5 5. b3 Be7 6. Nf3 O-O 7. O-O cxd4 8. exd4) 4. Be2? { (0.29 → -0.84) Mistake. Best move was Bb5. } (4. Bb5 a6 5. Bxc6+ bxc6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. O-O c5 10. b3 cxd4) 4... Bg4?? { (-0.84 → 4.74) Blunder. Best move was e5. } (4... e5 5. Nf3 e4 6. Ne5 Bd6 7. Nxc6 bxc6 8. Na4 Qd7 9. Bd2 Qf5 10. g4 Qg6 11. h3) 5. Bxg4 Nxg4 6. Qxg4 Nb4? { (4.27 → 5.42) Mistake. Best move was e6. } (6... e6 7. f4) 7. Qf3?? { (5.42 → 0.41) Blunder. Best move was Qe2. } (7. Qe2) 7... Nxc2+ 8. Kd1? { (1.14 → 0.00) Mistake. Best move was Kf1. } (8. Kf1 Nxa1 9. Qf5 Qd6 10. Qb1 e6 11. Qxa1 Be7 12. h4 O-O 13. Nf3 Qa6+ 14. Ne2 h5) 8... Nxa1 9. Nxd5? { (0.43 → -1.26) Mistake. Best move was Bd2. } (9. Bd2 c5) 9... f6? { (-1.26 → 0.42) Mistake. Best move was Qd7. } (9... Qd7 10. Nc3) 10. Qf5?! { (0.42 → -0.31) Inaccuracy. Best move was Ne2. } (10. Ne2 Qd7) 10... g6? { (-0.31 → 0.88) Mistake. Best move was c5. } (10... c5 11. Nf3 cxd4 12. exd4 Qc8 13. Qd3 Qc6 14. Nc3 e5 15. Ke2 e4 16. Nxe4 Nc2 17. d5) 11. Qd3?? { (0.88 → -7.72) Blunder. Best move was Qe6. } (11. Qe6 Bg7 12. Nf3 c6 13. Nc3 Qc8 14. Qxc8+ Rxc8 15. b3 c5 16. d5 Kf7 17. Bb2 Nxb3) 11... Qxd5 12. Qd2? { (-7.51 → -13.96) Mistake. Best move was Nf3. } (12. Nf3 Qxa2 13. Qa3 Qxa3 14. bxa3 Nb3 15. Bb2 Na5 16. Nd2 O-O-O 17. Bc3 Nc6 18. Ke2 h5) 12... Qxg2 13. Qe2 Qxh1 14. d5 Qxg1+ 15. Kd2 O-O-O 16. Qd3 c6 17. e4 e6 18. dxe6?! { (-24.34 → Mate in 5) Checkmate is now unavoidable. Best move was Qc3. } (18. Qc3 Bh6+) 18... Rxd3+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Bb4+. } (18... Bb4+ 19. Ke2 Rxd3 20. Kxd3 Qxf2 21. e7 Qf1+ 22. Ke3 Nc2#) 19. Kxd3 Qxf2 20. Be3 Qxb2?! { (Mate in 2 → Mate in 7) Not the best checkmate sequence. Best move was Qc2+. } (20... Qc2+ 21. Kd4 Bc5#) 21. a4 Qb3+?! { (Mate in 2 → -77.31) Lost forced checkmate sequence. Best move was Qc2+. } (21... Qc2+ 22. Kd4 Nb3#) 22. Kd4?! { (-77.31 → Mate in 1) Checkmate is now unavoidable. Best move was Ke2. } (22. Ke2 Qxa4) 22... Qxa4+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was c5#. } (22... c5#) 23. Kd3 f5?! { (Mate in 2 → Mate in 7) Not the best checkmate sequence. Best move was Qc2+. } (23... Qc2+ 24. Kd4 Nb3#) 24. exf5 gxf5?! { (Mate in 3 → Mate in 6) Not the best checkmate sequence. Best move was Qc2+. } (24... Qc2+ 25. Kd4 Nb3+ 26. Ke5 Qxf5#) 25. Bxa7 Qe4+ 26. Kc3 Qxe6?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Bb4+. } (26... Bb4+ 27. Kb2 Qc2+ 28. Kxa1 Bc3#) 27. h4 f4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Bg7+. } (27... Bg7+ 28. Kd2 Rd8+ 29. Bd4 Bxd4 30. h5 Bb2#) 28. Kd3 f3?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Bb4. } (28... Bb4 29. Bd4 Rd8 30. h5 Rxd4+ 31. Kxd4 Qd5#) 29. Kd2 f2?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Bb4+. } (29... Bb4+ 30. Kc1 Qa2 31. Be3 Qc2#) 30. Bxf2 Nb3+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Bb4+. } (30... Bb4+ 31. Kd3 Re8 32. Be3 Qxe3+ 33. Kc4 Qc3#) 31. Kd3 Qd5+ 32. Ke3 Bh6+ 33. Ke2 Qe4+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Rf8. } (33... Rf8 34. Kf1 Qh1+ 35. Ke2 Nc1#) 34. Kf1 Rd8?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Rg8. } (34... Rg8 35. Bg3 Rxg3 36. Kf2 Rg2+ 37. Kf1 Nd2#) 35. Kg1 Rd1+ 36. Kh2 Qh1+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Bf4+. } (36... Bf4+ 37. Kh3 Qf3+ 38. Bg3 Qxg3#) 37. Kg3 Rd3+ 38. Kg4 Qh3+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qf3#. } (38... Qf3#) 39. Kh5 Qf5+ 40. Kxh6 Rh3?! { (Mate in 1 → Mate in 4) Not the best checkmate sequence. Best move was Qg6#. } (40... Qg6#) 41. h5 Rxh5+?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Qg6#. } (41... Qg6#) 42. Kg7 Rg5+ 43. Kh6 Qg6# { Black wins by checkmate. } 0-1