[Event "1958 Idaho Open"] [Site "?"] [Round "0"] [White "Pupols, Viktors"] [Black "Greenwald, Ben"] [Result "1-0"] [ECO "C53"] [Opening "Giuoco Piano: Close Variation"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. d5 Nb8 7. d6 Qxd6 8. Qxd6 cxd6 9. Bd5 Ne7 10. Na3 Nxd5 11. exd5 Bd8 12. b3 Ke7 13. Nc4 b5 14. Ne3 g6 15. a4 bxa4 16. Rxa4 Na6 17. b4 Bb7 18. O-O Bb6 19. Bb2 Rhc8 20. Rfa1 Nc7 21. c4 a6 22. c5 dxc5 23. d6+ Kxd6 24. Nc4+ Kc6 25. Nfxe5+ Kb5 26. Nd6# 1-0