[Event "OOBS 17: The Blackjack Swiss"] [Site "https://lichess.org/SmdnL53Q"] [Date "2023.05.21"] [White "Zu_Cho_Chi"] [Black "Levi_1604"] [Result "1-0"] [UTCDate "2023.05.21"] [UTCTime "17:56:38"] [WhiteElo "2520"] [BlackElo "2473"] [WhiteRatingDiff "+7"] [BlackRatingDiff "-8"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "480+0"] [ECO "A01"] [Opening "Nimzo-Larsen Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. b3 { A01 Nimzo-Larsen Attack } h5 2. Bb2 Nf6 3. Nf3 g6 4. e4 Bg7 5. e5 Nd5 6. c4 Nf4 7. d4 d5?! { (0.50 → 1.42) Inaccuracy. d6 was best. } (7... d6 8. d5) 8. g3?! { (1.42 → 0.83) Inaccuracy. Bc1 was best. } (8. Bc1 Ne6 9. cxd5 Qxd5 10. Bc4 Qd8 11. d5 b5 12. Be2 Nf8 13. O-O Bb7 14. Qc2 c6) 8... Ne6?! { (0.83 → 1.81) Inaccuracy. Nh3 was best. } (8... Nh3 9. cxd5 Bg4 10. Nc3 c6 11. Be2 cxd5 12. Nh4 Bd7 13. f4 Nc6 14. Qd3 g5 15. fxg5) 9. cxd5 Qxd5 10. Nc3 Qd8 11. d5 Nc5 12. b4 Ncd7 13. e6 fxe6 14. dxe6 Nf8? { (3.05 → 5.18) Mistake. Nb6 was best. } (14... Nb6 15. Qb3) 15. Qxd8+ Kxd8 16. Rd1+ Ke8 17. Nd5 Nxe6 18. Bxg7 Rg8 19. Be5 c6 20. Nc7+ Nxc7 21. Bxc7 Nd7 22. Ne5?! { (5.83 → 4.19) Inaccuracy. Ng5 was best. } (22. Ng5 a5 23. bxa5 h4 24. Bg2 Rf8 25. Be4 Rf6 26. gxh4 b5 27. axb6 Rxa2 28. O-O Ba6) 22... Nxe5 23. Bxe5 Be6 24. a3 Kf7 25. h4 a5 26. bxa5 Rxa5 27. Bb2 Rga8 28. Bd3 Bg4 29. f3 Be6 30. Kf2 c5 31. Rhe1 b5 32. Bxg6+ Kxg6 33. Rxe6+ Kf7 34. Rde1 R8a7 35. R6e5 c4 36. Rxh5 Rd7 37. Re2 Rc7 38. Rf5+ Ke8 39. h5 c3 40. Bc1 Ra8 41. Rxb5 Kd7 42. Rd5+ Kc6 43. Rd3 Kb5 44. Rc2 Rac8 45. h6 Ka4 46. Bf4 Kb3 47. Rc1 Rc4 48. Be5 Kb2 49. Rcxc3 Rxc3 50. Rxc3 Rxc3?! { (18.02 → Mate in 28) Checkmate is now unavoidable. Ra8 was best. } (50... Ra8 51. Rc8+ Kxa3 52. Rxa8+ Kb4 53. g4 e6 54. h7 Kb3 55. g5 Kc2 56. Rd8 Kc1 57. g6) 51. Bxc3+?! { (Mate in 28 → 16.63) Lost forced checkmate sequence. h7 was best. } (51. h7 Kb3 52. Bxc3 Kc4 53. h8=Q Kd5 54. Qe5+ Kc4 55. Qxe7 Kxc3 56. g4 Kb2 57. Qe5+ Kb3) 51... Kxc3?! { (16.63 → Mate in 40) Checkmate is now unavoidable. Kb3 was best. } (51... Kb3 52. g4 Kc2 53. h7 Kb3 54. h8=Q Kc4 55. g5 e6 56. Qe5 Kb3 57. Qxe6+ Kxc3 58. Qe5+) 52. h7 { Black resigns. } 1-0