[Event "17th Annual SPICE Cup"] [Site "St Louis"] [Date "2023.12.22"] [White "Andy Woodward"] [Black "Christopher Woojin Yoo"] [Result "1-0"] [WhiteElo "2481"] [BlackElo "2606"] [Annotator "Lang,JJ"] [Variant "Standard"] [ECO "E00"] [Opening "Catalan Opening"] [Source "https://lichess.org/study/u9vHrp1t/22vWJSmy"] [Orientation "white"] 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. Qc2 Nbd7 8. O-O c6 9. Rc1 Ne4 10. Be3 f5 11. Ne1 Bf6 12. Nd2 Qe7 13. Nd3 g5 14. f3 Nd6 15. Bf2 Qg7 16. e3 a5 17. Rab1 Kh8 18. b3 h5 19. Kh1 Qh7 20. Re1 g4 21. Nf4 Re8 22. h4 Nf8 23. a3 Ng6 24. Nxg6+ Qxg6 25. f4 Bd7 26. Rg1 Rec8 27. c5 Nb5 28. Ra1 Bd8 29. Bf1 Nc7 30. Bd3 Ne8 31. b4 a4 32. Nb1 Ra7 33. Nc3 Rca8 34. Rab1 b5 35. cxb6 Bxb6 36. b5 cxb5 37. Bxb5 Bd8 38. Bxd7 Rxd7 39. Nxa4 Rda7 40. Nb6 Bxb6 41. Rxb6 Rxa3 42. Qc6 Ra2 43. Rgb1 Ra1?? { White's threat of Rb6-b8 is looming, after which White can force the king to a dark square to defend the e8-knight, at which point the dark-squared bishop can re-route to the e1-a5 diagonal. The question is whether Black had anyway to stop it. } (43... Ng7 { actually holds! The point is } 44. Rb8+ Rxb8 45. Rxb8+ Kh7 46. Rf8 Rxf2! { when the engine claims Black has a fortress after } 47. Qc8 (47. Qa8 { is no different. }) 47... Qh6 48. Rh8+ Kg6 49. Rxh6+ Kxh6 $10) 44. Rxa1 Rxa1+ 45. Kg2 Ng7 (45... Kg7 46. Rb8 Kf8 47. Qc5+ Kf7 48. Qc6 Ke7 { White has a number of wins. The flashiest is } 49. e4! (49. Qc5+ { also works: } 49... Kf7 50. Qb5 Ke7 51. Be1 $18) 49... dxe4 (49... fxe4 50. f5 $18) 50. d5 $18) 46. Rb8+ Kh7 47. Rf8! { when there is no fortress since White keeps the bishop. } 47... Ra7 48. Qc8 (48. Qb6? Re7) 48... Qf7 49. Rxf7 Rxf7 50. Be1 Re7 51. Bb4 Re8 52. Qd7 Kg6 53. Bd6 { 1-0 White wins. } 1-0