[Event "XXXIII Pan-American Youth U16 Open"] [Site "https://lichess.org/study/NdPr3HIs/cIcwMOfv"] [Date "2023.08.15"] [Round "6.1"] [White "Zacarias Rodriguez, Santiago"] [Black "Zhao, Erick"] [Result "1/2-1/2"] [WhiteElo "2078"] [WhiteTeam "MEX"] [BlackElo "2332"] [BlackTeam "USA"] [Annotator "Lang,JJ"] [Variant "Standard"] [ECO "B51"] [Opening "Sicilian Defense: Moscow Variation"] [Source "https://lichess.org/study/NdPr3HIs/cIcwMOfv"] [Orientation "white"] 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Nxd4 (5. Qxd4 { is far more common here, with no ... Nb8-c6 to worry about. }) 5... a6 6. Ba4 Nf6 7. O-O b5 8. Bb3 Bb7 9. a4 bxa4 $146 (9... b4 { has been tried before against a notorious opening mad scientist: } 10. c3 bxc3 (10... e5 11. Nf5 Nc5 12. cxb4 Nxb3 13. Qxb3 Bxe4 14. Ne3) 11. Nxc3 e6 12. Re1 Nc5 13. Bc2 { and White went on to win on move 48 in Dubov – Kilic, Chess.com, 2022. } (13. Bd5! { would have been a very thematic blow. } 13... Be7 (13... exd5?? 14. exd5+ Be7 15. Nf5 $18) 14. Bxb7 Nxb7 15. Nd5 exd5 16. Nc6 Qd7 17. exd5 $16)) 10. Bxa4 Nxe4 11. Re1 e6 12. Nc6 (12. Nd2 Nc5 13. Nc4 Nxa4 14. Nf5! $14 { is a very wild idea. }) 12... Qc7 13. Rxe4 Bxc6 14. Rc4 Ne5 15. Bxc6+? (15. Rxc6! Nxc6 16. Ra3! { It's a bit shocking that a move this slow and even transparent is unstoppable. But Black is woefully behind in development. } 16... Be7 17. Rc3 O-O 18. Rxc6 Qa5 19. c3 { and White is going to have a lot of pieces to play with, while Black's rooks will struggle to make an impact. }) 15... Nxc6 16. Nc3 d5 17. Nxd5? (17. Bf4 Qd7 18. Rca4 Bc5 19. Rxa6 Rxa6 20. Rxa6 Qb7 21. Ra1 O-O $15) 17... exd5 18. Qxd5 Rd8 19. Qe4+ Ne5 20. Bg5 { This is about as well as White could have navigated the position after the sacrifice, but it's not enough. } 20... Qxc4 21. Qxe5+ Qe6 22. Qc3 Rc8! { Without this move, the dual threats of Bg5xd8 and Ra1-e1 pinning the queen to the king would be sufficient. } 23. Qa5 Kd7? { Now things get wildly complicated. } (23... Qc4 24. Re1+ Kd7 25. b3 Qc5 26. Qxa6 Bd6 $19 { and Black has consolidated! }) 24. Re1?? (24. Rd1+ { might be enough for Black to fight on in an endgame, but more likely would end up in a perpetual. } 24... Bd6 25. Qxa6 Rc6 26. Qb7+ Rc7 27. Qb5+ Rc6 28. Qb7+ Rc7 29. Qb5+ Kc8 30. Qa6+ Rb7 31. Rxd6 Qe1+ 32. Qf1 Qxf1+ 33. Kxf1 Rxb2 $15) 24... Qg4?? (24... Qc4 { Simply put, White has nothing! } 25. Qf5+ Kc7 26. Bf4+ Kb6 $19 { and it sure looks like Black is up a rook! }) 25. Qd5+ { This is very different! } 25... Kc7 26. Re4 { An easy move to overlook! } 26... Qxe4 27. Qxe4 Bd6 { Taking stock of the material, White is only up "one point," but Black's exposed king is the real story. } 28. Bf4?! (28. Qc4+ Kb7 29. Qxf7+ Rc7 30. Qd5+ Rc6 31. g3 h6 32. Be3 $16 { and Black will have great difficulty mobilizing his forces. }) 28... Rhe8 29. Bxd6+ Kxd6 30. Qb4+ Kd7 31. Qa4+ (31. Qd4+ Ke7 32. Qxg7 Rxc2 33. g4 $16 { The engine is very optimistic about White's chances here due to Black's far sorrier pawn structure. }) 31... Rc6 32. h3 Re6 33. Qd4+ Ke7 34. Qh4+ (34. Qxg7 Rxc2 35. Qxh7 Rxb2 36. Qh4+ f6 37. Qh7+ Kf8 { and it's hard to believe White can muster anything. }) 34... Kf8 35. Qxh7 Rh6 36. Qf5 Rhf6 37. Qe4 { From here on out, it would take a massive error from either side, and both play professional chess. } 37... Rfe6 38. Qb4+ Kg8 39. c4 Rb6 40. Qc3 a5 41. c5 Ra6 42. g3 Rec6 43. Kg2 Ra8 44. h4 Rac8 45. Qxa5 Rxc5 46. Qb4 Re5 47. g4 Ree8 48. h5 Rb8 49. Qd4 Red8 50. Qc3 Rd5 51. Kg3 Rdb5 52. Kh4 Rxb2 53. f4 R2b3 54. Qe5 R3b5 55. Qe7 R5b7 56. Qg5 Rb1 57. Qd5 R8b4 58. Qd8+ Kh7 59. Qd3+ Kg8 60. Qe3 Rf1 61. Qe8+ Kh7 62. Qxf7 Rfxf4 63. Qg6+ Kh8 64. Qe8+ Kh7 65. Qg6+ Kh8 { 1/2-1/2 The game is a draw. } 1/2-1/2