[Event "Reggio Emilia-04 1961/62"]
[Site "Reggio Emilia"]
[Date "1961.12.??"]
[Round "?"]
[White "Marthaler, Otto"]
[Black "Contedini, Ennio"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. a3 Rac8 13. Rac1 a6 14. b4 b5 15. Ne2 Ne7 16. Rxc8 Rxc8 17. Rc1 Rxc1+ 18. Nxc1 Qc6 19. Ne2 Qc4 20. Qxc4 dxc4 21. Ne5 1/2-1/2