[Event "9th CACAC Team Ch"]
[Site "Guatemala GUA"]
[Date "1971.??.??"]
[Round "1"]
[White "Deras, Gonzalo HON"]
[Black "De Boer, Willem AHO"]
[Result "1/2-1/2"]
[ECO "B53"]
[EventDate "1971.07.31"]
[PlyCount "81"]

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4 Nc6 5.Bb5 a6 6.Bxc6+ bxc6 7.Nc3 c5 8.Qd3
e6 9.Bf4 Ra7 10.Rd1 Rd7 11.O-O Be7 12.Rfe1 Nf6 13.Bg5 O-O 14.Qe2 Re8 15.e5
Nd5 16.Nxd5 Bxg5 17.exd6 Rxd6 18.Nxg5 Rxd5 19.Qh5 Rxd1 20.Rxd1 Qf6 21.
Qxh7+ Kf8 22.Qh4 Qxb2 23.Qh5 g6 24.Qf3 f5 25.Qh3 Qg7 26.Qh4 Kg8 27.Qc4 Qe7
28.f4 Kg7 29.Nf3 Bb7 30.Qc3+ Kg8 31.Ne5 Rd8 32.Rxd8+ Qxd8 33.Qd3 Qd4+ 34.
Qxd4 cxd4 35.Kf2 Be4 36.Nd3 Bxd3 37.cxd3 Kg7 38.g3 Kf6 39.Kf3 e5 40.h4 
exf4 41.gxf4 {draw} 1/2-1/2

