Event: U20 Pan American Chess Championship OPEN 2025
Site: CEMINA Centro Militar Naval y Aeronautico - Asunción
Date: 2025-06-14
White: Liang, Jason
WhiteTitle: IM
WhiteElo: 2380
Black: Orrego Palermo, Marcelo
BlackElo: 2106
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Adams Attack
Variant: Standard

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 Nc6 7. g4 g6 8. Be3 Nxd4 9. Qxd4 Bg7 10. O-O-O O-O 11. e5 Nd7 12. f4 dxe5 13. Qb4 exf4 14. Bxf4 Qb6 15. Qxe7 Ne5 16. Nd5 Qe6 17. Bg2 Nc6 18. Qc5 Qe2 19. Rd2 Qb5 20. Qa3 Be6 21. Bf1 Qa5 22. Qxa5 Nxa5 23. Be2 Rad8 24. Rhd1 Nc6 25. Ne7+ Kh8 26. Nxc6 Rxd2 27. Rxd2 bxc6 28. Bxa6 h5 29. gxh5 Ra8 30. hxg6 fxg6 31. Rd6 Bd5 32. Bd3 Rxa2 33. c3 Ra8 34. Rxg6 Rd8 35. Kc2 Rf8 36. Rg4 Be6 37. Rh4+ Kg8 38. Bh7+ Kf7 39. Bg5 Rh8 40. Rf4+ Ke8 41. Bg6+ Kd7 42. h4 Be5 43. Ra4 Rg8 44. Ra7+ Kd6 45. Be7+ Kd5 1-0