[Event "Casual correspondence game"] [Site "https://lichess.org/dUU9EnSA"] [Date "2018.02.09"] [White "checkmonk"] [Black "Mathmagician"] [Result "1-0"] [UTCDate "2018.02.09"] [UTCTime "03:12:45"] [WhiteElo "2053"] [BlackElo "1743"] [Variant "Standard"] [TimeControl "-"] [ECO "E38"] [Opening "Nimzo-Indian Defense: Classical Variation, Berlin Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qc2 c5 { E38 Nimzo-Indian Defense: Classical Variation, Berlin Variation } 5. dxc5 Qc7 6. a3 Bxc5 7. b4 Bd4?! { (0.67 → 1.60) Inaccuracy. Be7 was best. } (7... Be7 8. Nb5 Qc6 9. Nf3 O-O 10. Nfd4 Qb6 11. c5 Qd8 12. Bf4 Nc6 13. Nf3 Nd5 14. Bg3) 8. Nb5 Qe5? { (1.82 → 3.87) Mistake. Qb6 was best. } (8... Qb6 9. Nxd4 Qxd4 10. Bb2 Qg4 11. f3 Qh5 12. e4 O-O 13. e5 Ne8 14. f4 d6 15. Nf3) 9. Nf3 Bxf2+ 10. Kxf2 Ng4+? { (3.48 → 5.89) Mistake. Qxa1 was best. } (10... Qxa1 11. Nc7+ Kd8 12. Nxa8 Qc3 13. Qxc3 Ne4+ 14. Ke1 Nxc3 15. Ng5 Ke7 16. Bb2 Na4 17. Be5) 11. Ke1?? { (5.89 → 2.04) Blunder. Kg1 was best. } (11. Kg1 Qxa1 12. h3 Nf6 13. Nc7+ Kf8 14. Nxa8 Nc6 15. Bb2 Qa2 16. Nc7 e5 17. e3 e4) 11... Qxa1 12. Nc7+ Kd8 13. Nxa8 Ne3?! { (1.85 → 2.67) Inaccuracy. b6 was best. } (13... b6 14. c5) 14. Qb2 Qxb2 15. Bxb2 Nxc4? { (2.21 → 4.48) Mistake. f6 was best. } (15... f6 16. Bd4) 16. Bxg7 Rg8 17. Bf6+ Ke8 18. Nc7+ Kf8 19. e4 Nxa3?! { (4.02 → 5.21) Inaccuracy. Ne3 was best. } (19... Ne3 20. g3 b6 21. Bd3 Ng4 22. Bb2 Ke7 23. h3 Nf6 24. Kf2 Bb7 25. Bxf6+ Kxf6 26. Nb5) 20. Bd3 Nc6 21. Bb2 Rxg2 22. Bxa3 Ra2 23. Bc1 Nxb4 24. Bh6+? { (5.68 → 3.06) Mistake. Bb1 was best. } (24. Bb1 Rg2 25. Kf1 Rg6 26. Kf2 Nc6 27. e5 a5 28. Rd1 f5 29. exf6 Rxf6 30. Ba3+ Nb4) 24... Ke7 25. Be2 Ra1+?! { (2.67 → 4.26) Inaccuracy. Nd3+ was best. } (25... Nd3+ 26. Kf1 Ra1+ 27. Kg2 Rxh1 28. Kxh1 Nf2+ 29. Kg2 Nxe4 30. Nb5 d5 31. Nxa7 Bd7 32. Ng5) 26. Bd1 Nd3+ 27. Ke2 Nc5 28. e5 Ra2+ 29. Ke3 d6?! { (4.85 → 7.03) Inaccuracy. Ra3+ was best. } (29... Ra3+ 30. Kd4 b6 31. Rg1 Rd3+ 32. Kc4 d5+ 33. exd6+ Rxd6 34. Bf4 Rd7 35. Nd4 Bb7 36. Bg5+) 30. Bg5+ Kd7 31. Nb5 d5 32. Nd6?! { (6.69 → 4.27) Inaccuracy. Nfd4 was best. } (32. Nfd4 Ne4 33. Bh4 a6 34. Rf1 Rxh2 35. Rxf7+ Ke8 36. Re7+ Kf8 37. Rc7 Rxh4 38. Rxc8+ Kf7) 32... Ra3+ 33. Kd4 Nb3+? { (4.10 → 7.36) Mistake. b6 was best. } (33... b6 34. Ne1 Ba6 35. Rg1 Nd3 36. Rg3 Ra1 37. Nxd3 Rxd1 38. Nxf7 Rxd3+ 39. Rxd3 Bxd3 40. Kxd3) 34. Kc3 Na5+ 35. Kb4 Ra2 36. Rf1 b6?! { (5.78 → 10.49) Inaccuracy. Nc6+ was best. } (36... Nc6+ 37. Kb3 Rg2 38. Be3 h6 39. Kc3 b5 40. Ne1 d4+ 41. Kd3 Rg7 42. Bxh6 Rh7 43. Rxf7+) 37. Ba4+?! { (10.49 → 6.99) Inaccuracy. Nd4 was best. } (37. Nd4 Nc6+ 38. Nxc6 Kxc6 39. Nxc8 a5+ 40. Kc3 Ra3+ 41. Kd4 Kd7 42. Nxb6+ Kc7 43. Na4 Kb8) 37... Nc6+?! { (6.99 → 19.72) Inaccuracy. Rxa4+ was best. } (37... Rxa4+ 38. Kxa4 Ba6 39. Nb5 Nc6 40. Rc1 Bb7 41. Bf4 a6 42. Nd6 Na5 43. Nxb7 Nxb7 44. Be3) 38. Kb3?! { (19.72 → 6.66) Inaccuracy. Bxc6+ was best. } (38. Bxc6+) 38... Re2?! { (6.66 → 18.06) Inaccuracy. Rxa4 was best. } (38... Rxa4 39. Kxa4 Ba6 40. Nb5 h5 41. Rc1 Bb7 42. Bf4 a6 43. Nd6 Nd8 44. Ng5 Ba8 45. Ndxf7) 39. Nxc8 Kc7 40. Bxc6 Kxc8 41. Be7 Kc7?! { (10.02 → Mate in 10) Checkmate is now unavoidable. a5 was best. } (41... a5 42. Be8) 42. Be8?! { (Mate in 10 → 11.73) Lost forced checkmate sequence. Bd6+ was best. } (42. Bd6+ Kxc6 43. Nd4+ Kd7 44. Rxf7+ Ke8 45. Re7+ Kf8 46. Rxa7+ Kg8 47. Nxe2 h5 48. Nf4 h4) 42... Re3+ 43. Kc2 Re2+ 44. Kd3 Rg2?! { (14.36 → Mate in 9) Checkmate is now unavoidable. Re4 was best. } (44... Re4 45. Bd6+) 45. Bd6+ Kd8 46. Bxf7 Kd7 47. Nd4 Rxh2 48. Bxe6+ Kd8 49. Rf8# { White wins by checkmate. } 1-0