[Event "Reggio Emilia-06 1963/64"]
[Site "Reggio Emilia"]
[Date "1963.12.27"]
[Round "1"]
[White "Castaldi, Vincenzo"]
[Black "Trincardi, Tullio"]
[Result "1/2-1/2"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 d6 7. e4 Nbd7 8. Nd2 g6 9. a4 Bg7 10. Bd3 Qc7 11. Ne2 b6 12. O-O a6 13. h3 Rb8 14. Nc4 Ne5 15. Na3 O-O 16. Bh2 Nxd3 17. Qxd3 Nd7 18. f4 b5 19. axb5 axb5 20. Nc2 b4 21. Ne3 bxc3 22. bxc3 Bb7 23. Ra3 Ra8 24. Rfa1 Rxa3 25. Rxa3 Ra8 26. Rxa8+ Bxa8 1/2-1/2