[Event "84th US Open"]
[Site "Pasadena, CA USA"]
[Date "1983.08.10"]
[EventDate "1983.08.07"]
[Round "4"]
[Result "1/2-1/2"]
[White "Marcos Paolozzi Servulo Da Cunha"]
[Black "Edward A Frumkin"]
[ECO "B84"]
[WhiteElo "2375"]
[BlackElo "2151"]
[PlyCount "64"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 a6
7. f4 Nbd7 8. Bf3 Qc7 9. O-O Be7 10. g4 h6 11. h4 g6 12. g5
hxg5 13. hxg5 Nh5 14. Kg2 b5 15. e5 Bb7 16. exd6 Bxd6
17. Ndxb5 axb5 18. Nxb5 Bxf3+ 19. Qxf3 Qxc2+ 20. Rf2 Qa4
21. Nxd6+ Ke7 22. b3 Qd4 23. Bb2 Qxd6 24. Rd1 Nxf4+ 25. Qxf4
Qxd1 26. Bf6+ Nxf6 27. Qxf6+ Kd6 28. Qf4+ Kc6 29. Qc4+ Kb6
30. Qb4+ Ka6 31. Qa4+ Kb6 32. Qb4+ Ka6 1/2-1/2