[Event "XXXI Panamerican Youth Chess Festival 2021 - U10 Open"] [Site "Florianópolis, State of Santa Catarina, Brazil"] [Date "2021.09.04"] [Round "4.1"] [White "Munoz Ramos, Christopher"] [Black "Alvarez Orellana, Isai Jeremi"] [Result "1-0"] [WhiteElo "1638"] [BlackElo "1215"] [Variant "Standard"] [TimeControl "-"] [ECO "E94"] [Opening "King's Indian Defense: Orthodox Variation, Positional Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 { E94 King's Indian Defense: Orthodox Variation, Positional Defense } 8. Be3 Re8 9. d5 Nb6?! { (0.94 → 1.74) Inaccuracy. Ng4 was best. } (9... Ng4) 10. b4 Ng4 11. Bg5 f6 12. Bh4 g5 13. Bg3 f5 14. h3?! { (2.19 → 1.14) Inaccuracy. exf5 was best. } (14. exf5 a5 15. bxa5 Rxa5 16. Ne4 Nf6 17. Nfxg5 Nxe4 18. Nxe4 Bxf5 19. f3 Qd7 20. Be1 Ra4) 14... Nh6 15. c5 Nd7?! { (0.99 → 1.88) Inaccuracy. f4 was best. } (15... f4 16. cxb6) 16. cxd6?! { (1.88 → 1.24) Inaccuracy. exf5 was best. } (16. exf5 e4 17. Nd4 Bxd4 18. Qxd4 Nxf5 19. Qc4 Nf6 20. Bh2 h5 21. Rae1 b6 22. Bd1 a5) 16... cxd6 17. Rc1? { (1.33 → -0.15) Mistake. Nb5 was best. } (17. Nb5) 17... f4 18. Bh2 Nf7?? { (0.08 → 2.36) Blunder. a6 was best. } (18... a6 19. Nd2) 19. Nb5 Rf8?! { (2.11 → 3.15) Inaccuracy. Rb8 was best. } (19... Rb8 20. Nc7) 20. Nc7 Rb8 21. Ne6 Qe7?! { (3.22 → 4.34) Inaccuracy. Qe8 was best. } (21... Qe8) 22. Nxf8?! { (4.34 → 2.95) Inaccuracy. Rc7 was best. } (22. Rc7 Kh8 23. Nxf8 Qxf8 24. Qa4 a6 25. Rfc1 Nb6 26. Qa3 Na8 27. R7c3 h5 28. b5 g4) 22... Nxf8? { (2.95 → 4.83) Mistake. Bxf8 was best. } (22... Bxf8 23. Nd2 Nf6 24. Kh1 Bd7 25. a4 Qd8 26. a5 b6 27. a6 Ra8 28. Rc3 Be7 29. f3) 23. Nd2 a6 24. Nc4 b6 25. a4 h6 26. a5 b5 27. Nb6 Bb7 28. Bg4 Nh7 29. Nd7 Rd8 30. Rc7 Bc8 31. Rxc8 Rxc8 32. Nf6+ Nxf6 33. Bxc8 h5 34. Bxa6 Qd7 35. Qe2 g4 36. Qxb5 Qa7 37. Qb6 Qe7 38. Qb7 Qe8 39. Qc8 Nd8 40. b5 Nxe4 41. hxg4 hxg4 42. Qxg4 Qe7 43. b6 Nc5 44. Bc8 Ndb7 45. Be6+ Kf8 46. Qf5+ Ke8 47. Ra1 Na6 48. Bc8 Nbc5 49. Bxa6 Nxa6 50. Qc8+ Kf7 51. Qxa6 Qg5 52. b7 e4 53. b8=Q Bxa1?! { (21.52 → Mate in 6) Checkmate is now unavoidable. e3 was best. } (53... e3 54. Rd1) 54. Qaa7+?! { (Mate in 6 → 22.31) Lost forced checkmate sequence. Qaxd6 was best. } (54. Qaxd6 Qe7 55. Qh6 Qe8 56. Qh7+ Bg7 57. Qxf4+ Ke7 58. Qe5+ Kd8 59. Qc7#) 54... Kg6?! { (22.31 → Mate in 4) Checkmate is now unavoidable. Qe7 was best. } (54... Qe7 55. Qaa8) 55. Qg8+ Bg7 56. Qaxg7+ { Black resigns. } 1-0