[Event "US Senior Open"] [Site "San Diego (CA)"] [Round "1.30"] [White "Buckendorf Glen (ID)"] [Black "Katzl Rudi"] [Result "0-1"] [ECO "B01"] [Opening "Scandinavian: Marshall, 4.Nf3"] 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4 5. c4 Nb6 6. c5 N6d7 7. Qb3 Nc6 8. Ng5 e6 9. Be3 Nxd4 10. Bxd4 Qxg5 11. Nc3 Nxc5 12. Bxc5 Bxc5 13. Ne4 Qe5 14. f3 Bb6 15. Qa4+ c6 16. fxg4 Ba5+ 17. Kd1 O-O-O+ 18. Kc2 Rd4 19. Qa3 Qxe4+ {#R} 0-1