Event: U20 Pan American Chess Championship OPEN 2025
Site: CEMINA Centro Militar Naval y Aeronautico - Asunción
Date: 2025-06-16
White: Orrego Palermo, Marcelo
WhiteElo: 2106
Black: Martello, Benjamin
BlackElo: 2040
Result: 0-1
ECO: C41
Opening: Philidor Defense: Lion Variation
Variant: Standard

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Be2 Be7 6. O-O O-O 7. a4 c6 8. a5 Re8 9. d5 Nc5 10. Nd2 cxd5 11. exd5 Bf5 12. Bb5 Rf8 13. Re1 Rc8 14. a6 bxa6 15. Bxa6 Rb8 16. Bf1 Qd7 17. b3 Rfc8 18. Nc4 Bg6 19. Be3 Ng4 20. Bxc5 Rxc5 21. h3 Nf6 22. Qd2 Rbc8 23. Ra6 R8c7 24. f3 Qc8 25. Rea1 Qa8 26. Nb6 Qb7 27. Nba4 Qb4 28. Bc4 Ra5 29. Rxa5 Qxa5 30. Ra2 Rb7 31. Kh2 Nh5 32. Nb2 Qc5 33. Ra6 h6 34. Nba4 Qc8 35. Nb5 Bg5 36. Nxd6 Qb8 37. Qf2 e4 38. g3 e3 39. Qe1 Rd7 40. h4 Bf6 41. Ne4 Bxe4 42. Rxf6 Nxf6 43. fxe4 Qe5 44. Qxe3 Ng4+ 0-1