[Event "Casual correspondence game"] [Site "https://lichess.org/kOGI6Fat"] [Date "2018.12.10"] [White "derholtz"] [Black "potseeslc"] [Result "1-0"] [UTCDate "2018.12.10"] [UTCTime "00:19:29"] [WhiteElo "1500"] [BlackElo "1670"] [Variant "Standard"] [TimeControl "-"] [ECO "B20"] [Opening "Sicilian Defense: Staunton-Cochrane Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. c4 { B20 Sicilian Defense: Staunton-Cochrane Variation } Nc6 3. d3 Nf6 4. Nf3 d6 5. h3 Qa5+ 6. Nc3 e5 7. a3 Nb4?! { (0.39 → 1.44) Inaccuracy. Be7 was best. } (7... Be7 8. Be2) 8. Be3?! { (1.44 → 0.66) Inaccuracy. axb4 was best. } (8. axb4 Qxa1) 8... Nc6 9. b4 cxb4? { (0.55 → 2.27) Mistake. Qd8 was best. } (9... Qd8 10. Be2 Be7 11. Nd2 b6 12. O-O O-O 13. Rb1 Nd4 14. f4 Bb7 15. f5 h6 16. Nd5) 10. Nb5?? { (2.27 → -0.37) Blunder. axb4 was best. } (10. axb4 Qxb4) 10... bxa3+ 11. Bd2 Nb4?? { (-0.26 → 4.64) Blunder. Qd8 was best. } (11... Qd8) 12. Nxd6+?? { (4.64 → -5.14) Blunder. Rxa3 was best. } (12. Rxa3) 12... Ke7?? { (-5.14 → 7.89) Blunder. Bxd6 was best. } (12... Bxd6 13. Be2 a2 14. O-O O-O 15. Bxb4 Bxb4 16. Qb3 Bc5 17. Rxa2 Qc7 18. Nd2 Bd7 19. Nb1) 13. Rb1?? { (7.89 → 1.58) Blunder. Qb3 was best. } (13. Qb3 Nc2+ 14. Qxc2 Qc5 15. Rb1 Qxd6 16. Bb4 Qxb4+ 17. Rxb4 Nd7 18. Ra4 Ke8 19. Qc3 f6) 13... a2 14. Bxb4 axb1=Q?? { (1.57 → 6.13) Blunder. a1=Q was best. } (14... a1=Q 15. Nd2 Qxb4 16. Nxc8+ Rxc8 17. Rxa1 Kd8 18. Rb1 Qe7 19. Be2 Qc7 20. O-O b6 21. d4) 15. Qxb1 Qb6?! { (5.91 → 15.64) Inaccuracy. Qa4 was best. } (15... Qa4 16. Nxc8+) 16. Nxc8+ Kd7 17. Nxb6+ axb6 18. Nxe5+ Ke6 19. d4 Bxb4+ 20. Qxb4 Ra1+ 21. Ke2 Ra2+?! { (16.91 → Mate in 12) Checkmate is now unavoidable. Nd7 was best. } (21... Nd7 22. c5) 22. Kf3?! { (Mate in 12 → 21.37) Lost forced checkmate sequence. Ke3 was best. } (22. Ke3 Ra3+ 23. Qxa3 Nxe4 24. d5+ Kf6 25. Kxe4 Rd8 26. Qf3+ Ke7 27. Qxf7+ Kd6 28. c5+ Kxc5) 22... Rha8 23. Qxb6+ Ke7 24. Qxb7+ Kf8?! { (26.65 → Mate in 1) Checkmate is now unavoidable. Ke8 was best. } (24... Ke8 25. Qxf7+) 25. c5?! { (Mate in 1 → 16.56) Lost forced checkmate sequence. Qxf7# was best. } (25. Qxf7#) 25... R2a3+ 26. Kf4 Nh5+ 27. Kg4 Nf6+ 28. Kh4 R3a7 29. Qc6 Ke7?! { (16.02 → Mate in 5) Checkmate is now unavoidable. Re8 was best. } (29... Re8 30. Bb5) 30. Bc4?! { (Mate in 5 → 21.25) Lost forced checkmate sequence. Qd6+ was best. } (30. Qd6+ Ke8 31. Bb5+ Rd7 32. Bxd7+ Nxd7 33. Qxd7+ Kf8 34. Qxf7#) 30... g5+?! { (21.25 → Mate in 16) Checkmate is now unavoidable. Rd8 was best. } (30... Rd8 31. Qb6) 31. Kxg5 Rg8+?! { (64.89 → Mate in 12) Checkmate is now unavoidable. Ne8 was best. } (31... Ne8 32. Bxf7) 32. Kf5 Rxg2 33. Qxf6+ Kf8 34. Qh8+ Ke7 35. Qxh7 Rxf2+ 36. Kg5 Rg2+ 37. Kh4 Kf8 38. Bxf7 Rg7 39. Qh8+ Ke7 40. Qxg7 Kd8 41. Qf8+ Kc7 42. Rb1 Rb7 43. Qd6+ Kc8 44. Be6+ Rd7 45. Qxd7# { White wins by checkmate. } 1-0