[Event "World Open"] [Site "Philadephia (PA)"] [Round "3"] [White "Buckendorf Glen (ID)"] [Black "Petty"] [Result "0-1"] [ECO "B07"] [Opening "Pirc: 2.d4"] 1. e4 d6 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. f3 Nc6 6. d5 Ne5 7. f4 Bg4 8. Qb3 Ned7 9. Be3 Nb6 10. h3 Bd7 11. Nf3 O-O 12. Bd3 Nh5 13. O-O-O Bh6 14. Ng5 f6 15. g4 Nxf4 16. Bxf4 fxg5 17. Bd2 Rf3 18. Qc2 Qf8 19. Rdf1 Qf6 20. Be2 Rxf1+ 21. Rxf1 {#R} 0-1