[Event "USA"] [Site "USA"] [Round "0"] [White "Perrina"] [Black "Besant"] [Result "1-0"] [ECO "D85"] [Opening "Gruenfeld: Exchange, 5.e4"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 Nc6 9. Be3 cxd4 10. cxd4 Qa5+ 11. Bd2 Qa3 12. O-O Nxd4 13. Nxd4 Bxd4 14. Bb4 #r 1-0