[Event "World op 21st"]
[Site "Philadelphia"]
[Date "1993.??.??"]
[Round "2"]
[White "Von Neumann,"]
[Black "Olafsson, Helgi"]
[Result "1/2-1/2"]
[EventArchiveKey "world-open-1993"]
[BlackElo "2530"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. exf6 Qe5+ 11. Nde2 Qxg5 12. Ne4 Qh4+ 13. N2g3 gxf6 14. Qd4 Ke7 15. Qc5+ Kd8 16. Qb6+ Ke8 17. Qd4 Ke7 18. Qc5+ Kd8 19. Qb6+ Ke8 20. Qd4 Ke7 21. Qc5+ 1/2-1/2