Event: U20 Pan American Chess Championship OPEN 2025
Site: CEMINA Centro Militar Naval y Aeronautico - Asunción
Date: 2025-06-16
White: Johnson, Donald
WhiteTitle: FM
WhiteElo: 2323
Black: Martinez Flores, Matias
BlackTitle: FM
BlackElo: 2013
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 e5 7. Nb3 h6 8. Be3 Be6 9. Qf3 Qc7 10. O-O-O b5 11. Bd3 Nbd7 12. Nd5 Bxd5 13. exd5 Be7 14. g4 Nc5 15. Nxc5 dxc5 16. d6 Qc8 17. dxe7 Ra7 18. Bxb5+ Nd7 19. Bxd7+ Rxd7 20. Rxd7 Kxd7 21. Qxf7 Kc6 22. Rd1 Re8 23. Qd5+ Kb6 24. Qd6+ Kb7 25. Bxc5 Qc6 26. Qxc6+ Kxc6 27. Rd8 1-0