[Event "9th CACAC Team Ch"]
[Site "Guatemala GUA"]
[Date "1971.??.??"]
[Round "1"]
[White "Vassaux, Guillermo GUA"]
[Black "Montalvan, Gustavo NCA"]
[Result "1/2-1/2"]
[ECO "B08"]
[EventDate "1971.07.31"]
[PlyCount "44"]

1.e4 d6 2.d4 g6 3.Nf3 Bg7 4.Nc3 Nf6 5.h3 Nbd7 6.Be3 O-O 7.Qd2 c5 8.Be2 a6 
9.a4 Qc7 10.O-O cxd4 11.Bxd4 Nc5 12.Qe3 Qc6 13.b4 Ncd7 14.b5 Qc7 15.b6 Qd8
16.e5 Ne8 17.e6 fxe6 18.Qxe6+ Kh8 19.Bxg7+ Kxg7 20.Nd5 Nxb6 21.Qxe7+ Qxe7 
22.Nxe7 Rf7 {draw} 1/2-1/2

