[Event "33rd Annual North American Open"] [Site "Las Vegas"] [Date "2023.12.30"] [White "Fidel Corrales Jimenez"] [Black "John Michael Burke"] [Result "1-0"] [WhiteElo "2527"] [BlackElo "2584"] [Annotator "Lang, JJ"] [Variant "Standard"] [ECO "E36"] [Opening "Nimzo-Indian Defense: Classical Variation, Noa Variation"] [Source "https://lichess.org/study/u9vHrp1t/Xjtbu7YY"] [Orientation "white"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 O-O 7. Bg5 c5 8. cxd5 cxd4 9. Qxd4 Nc6 10. Qf4 exd5 11. Nf3 Re8 12. Bxf6 gxf6 13. Rd1 Re4 14. Qxe4 dxe4 15. Rxd8+ Nxd8 16. Nd4 Ne6 17. e3 Nxd4 18. exd4 Be6 19. Kd2 Rd8 20. Ke3 Rc8 21. g4 Rc2 22. Bg2 f5 23. gxf5 Bxf5 24. b4 Kf8 25. h4 Ke8 26. Re1 Ra2 27. Re2 Rxa3+ 28. Kf4 Bg6 29. Kg5 h5 30. Bxe4 Bxe4 31. Rxe4+ Kf8 32. Kxh5 Rf3 33. Kh6 Rf6+ 34. Kg5 Rxf2 35. h5 { Black has defended well the whole game, but throws in one superfluous check that changes everything. } 35... Rg2+?? (35... Kg7! { It was necessary to pre-empt the h5-h6 push. } 36. h6+ (36. Re7 Rg2+ 37. Kf4 Rh2 38. Kg5 Rg2+ 39. Kf5 Rh2 40. Rxb7 Rxh5+ 41. Ke4 Kf6 42. Rxa7 Rb5) 36... Kh7 37. d5 (37. Re7 Rg2+ 38. Kf4 (38. Kf6 Rf2+) 38... Kxh6 39. Rxb7 (39. Rxf7?? Rf2+) 39... Kg6! 40. Rxa7 { and Black's rook easily stops the b-pawn while the king contests the d-pawn while simultaneously defending the f-pawn. } 40... Kf6 41. Ra6+ Ke7 42. b5 Rb2) 37... f6+! { is the key point, since Black still controls the f-file. } 38. Kh5 (38. Kh4 Kxh6 39. Rd4 Kg6 40. d6 Rh2+ 41. Kg3 Rh8 42. Rc4 (42. d7?? Rd8 43. Kf4 Kf7 $19) 42... Rd8 43. Rc7) (38. Kg4 f5+ 39. Kg3 Rd2 40. Re5 Kxh6 41. Rxf5 Kg6 42. Re5 Kf6) 38... Rf5+ 39. Kg4 Rxd5 40. Re7+ Kxh6 41. Rxb7 f5+) 36. Rg4! Rf2 37. h6 { Now, in the time it takes Black to stop the h-pawn, White's d-pawn can get rolling. } 37... Kg8 (37... Rh2 38. Rh4 Rg2+ 39. Kf4 Rg8 (39... Rf2+ 40. Kg3 $18) 40. h7 Rh8 41. Kg5 Kg7 42. d5 $18) 38. d5 Kh7 (38... f6+ 39. Kg6 $18 { With Black's king still on the back rank, the ...f7-f6+ resource is no longer available. }) 39. Rf4 (39. Rd4 { was the other winning move. } 39... Rg2+ 40. Kf6 Rf2+ 41. Ke7 $18) 39... Rg2+ 40. Kf6 Rd2 41. Rf5 Kxh6 42. Kxf7 Rd4 43. Re5 Rf4+ 44. Ke7 Kg7 45. d6 Rf7+ 46. Kd8 Kf6 47. Re8 Rh7 48. d7 Rh4 49. Kc7 { 1-0 White wins. } 1-0