[Event "Reggio Emilia-16 1973/74"]
[Site "Reggio Emilia"]
[Date "1973.12.30"]
[Round "4"]
[White "Estevez Morales, Guillermo"]
[Black "Dueball, Juergen"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 e6 7. Nge2 exd5 8. exd5 Nbd7 9. f4 O-O 10. h3 Ne8 11. O-O f5 12. Bd2 Ndf6 13. Be1 Nc7 14. Bh4 Bd7 15. Qc2 Qe8 16. Rae1 Qf7 17. Kh1 1/2-1/2