[Event "Rated classical game"] [Site "https://lichess.org/3fHh9Ha4"] [Date "2020.01.17"] [White "kacper012"] [Black "BlundersonConjecture"] [Result "0-1"] [UTCDate "2020.01.17"] [UTCTime "14:56:14"] [WhiteElo "1278"] [BlackElo "1276"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+16"] [Variant "Standard"] [TimeControl "900+15"] [ECO "A45"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nc3 Nf6 { A45 Queen's Pawn Game: Chigorin Variation } 3. e3 g6 4. g3 Bg7 5. Bg2 e6 6. e4 c6? { (-0.74 → 0.89) Mistake. Nxe4 was best. } (6... Nxe4 7. Nxe4 dxe4 8. Bxe4 Qxd4 9. Qxd4 Bxd4 10. Ne2 Bg7 11. Be3 Nc6 12. O-O-O a5 13. h4) 7. e5 Nfd7 8. Nh3? { (1.01 → -0.62) Mistake. f4 was best. } (8. f4) 8... h6?? { (-0.62 → 1.16) Blunder. c5 was best. } (8... c5 9. f4 cxd4 10. Ne2 Qa5+ 11. Qd2 Qxd2+ 12. Bxd2 Nc6 13. Ng5 b6 14. Nf3 d3 15. cxd3) 9. Qe2? { (1.16 → -0.20) Mistake. f4 was best. } (9. f4 O-O 10. O-O b6 11. Nf2 a5 12. Re1 Ba6 13. a4 c5 14. Nb5 Nc6 15. c4 Bxb5) 9... Nb6? { (-0.20 → 1.35) Mistake. Qb6 was best. } (9... Qb6 10. Qe3 c5 11. dxc5 Nxc5 12. f4 O-O 13. O-O f6 14. exf6 Bxf6 15. Ne2 Nc6 16. c3) 10. Bd2? { (1.35 → -0.18) Mistake. f4 was best. } (10. f4 O-O 11. O-O N6d7 12. Be3 Na6 13. Qd2 b6 14. Ne2 Nc7 15. Rac1 Ba6 16. b3 c5) 10... Nc4 11. O-O-O a5?! { (-0.38 → 0.38) Inaccuracy. c5 was best. } (11... c5 12. dxc5 Qa5 13. a3 Qxc5 14. f4 Qb6 15. Na4 Qb5 16. b3 Bf8 17. Bc3 Nxa3 18. Qxb5+) 12. a4? { (0.38 → -1.25) Mistake. Nf4 was best. } (12. Nf4 Nd7 13. Nd3 Nxd2 14. Qxd2 b6 15. f4 Ba6 16. Kb1 O-O 17. h4 c5 18. h5 g5) 12... Nxb2?? { (-1.25 → 1.39) Blunder. O-O was best. } (12... O-O) 13. Kxb2 Qb6+ 14. Kc1?! { (1.40 → 0.65) Inaccuracy. Ka2 was best. } (14. Ka2 Qxd4 15. f4 O-O 16. Qd3 Qxd3 17. cxd3 b5 18. axb5 cxb5 19. Nxb5 Nc6 20. Bc3 Bd7) 14... Nd7? { (0.65 → 2.11) Mistake. Qxd4 was best. } (14... Qxd4 15. Rde1 Qc5 16. Nd1 Qa3+ 17. Kb1 Qxa4 18. Nb2 Qb5 19. Qxb5 cxb5 20. f4 O-O 21. Be3) 15. g4?? { (2.11 → 0.00) Blunder. Qd3 was best. } (15. Qd3 Qc7) 15... c5?? { (0.00 → 2.63) Blunder. Qxd4 was best. } (15... Qxd4 16. f4 Bf8 17. Rde1 b6 18. Qe3 Qb4 19. Qg3 Ba6 20. Bf1 Qa3+ 21. Kb1 Qb4+) 16. g5? { (2.63 → 1.00) Mistake. dxc5 was best. } (16. dxc5) 16... h5? { (1.00 → 2.58) Mistake. cxd4 was best. } (16... cxd4 17. Nb5) 17. Be3?! { (2.58 → 1.70) Inaccuracy. dxc5 was best. } (17. dxc5) 17... cxd4?? { (1.70 → 3.85) Blunder. Qb4 was best. } (17... Qb4 18. Nb5 O-O 19. Rd3 Nb6 20. Rb3 Qxa4 21. Ra3 Qb4 22. c3 Qc4 23. Qb2 cxd4 24. Bxd4) 18. Bxd4 Qc6?! { (3.86 → 5.22) Inaccuracy. Qb4 was best. } (18... Qb4 19. Qe3) 19. Nb5? { (5.22 → 2.69) Mistake. Nf4 was best. } (19. Nf4 Nb6 20. Qb5 Ra6 21. Bf1 Nd7 22. Qb3 O-O 23. Bb5 Qc7 24. Nfxd5 exd5 25. Nxd5 Qb8) 19... Nb6?? { (2.69 → 8.45) Blunder. O-O was best. } (19... O-O 20. f4 Nc5 21. c4 Nxa4 22. f5 gxf5 23. Nf4 Nb6 24. Nd6 Nxc4 25. Qxc4 Qxc4+ 26. Nxc4) 20. Nd6+ Ke7 21. Qf3 Rf8 22. Be3?? { (8.54 → 2.01) Blunder. Bf1 was best. } (22. Bf1 Bd7 23. Qa3 Kd8 24. Bb5 Qc7 25. Rd3 Bxb5 26. Nxb5 Qc6 27. Bxb6+ Qxb6 28. Nf4 Kc8) 22... Bxe5 23. Nxc8+?? { (1.92 → -3.28) Blunder. Nb5 was best. } (23. Nb5 Nxa4) 23... Raxc8 24. Bf1?? { (-2.66 → Mate in 1) Checkmate is now unavoidable. Kd2 was best. } (24. Kd2 Qxc2+) 24... Qxc2# { Black wins by checkmate. } 0-1