[Event "1st Mercosur ol"]
[Site "Mar del Plata ARG"]
[Date "2009.06.23"]
[Round "4"]
[White "Zapata, Marco CHI"]
[Black "Alonso, Salvador ARG2"]
[Result "1/2-1/2"]
[WhiteElo "2378"]
[BlackElo "2489"]
[ECO "D10"]
[EventDate "2009.06.20"]
[PlyCount "100"]

1.c4 c6 2.d4 d5 3.cxd5 cxd5 4.Nc3 Nf6 5.Bf4 Nc6 6.e3 a6 7.Bd3 Bg4 8.f3 Bd7
9.Nge2 e6 10.g4 b5 11.Ng3 Rc8 12.Kf2 Na5 13.g5 Ng8 14.Qe2 Ne7 15.Bd6 Nb7 
16.Bxe7 Bxe7 17.f4 Nd6 18.h4 Qb6 19.Kg2 b4 20.Nd1 Bb5 21.Nf2 O-O 22.h5 Rc7
23.g6 fxg6 24.hxg6 h6 25.Qg4 Nc4 26.Rae1 Nxb2 27.Bb1 Bf6 28.Nh5 Na4 29.Qh3
Qd6 30.Ng4 Qe7 31.Nhxf6+ Rxf6 32.Nxf6+ Qxf6 33.Qh4 Qxh4 34.Rxh4 Nc3 35.f5 
Nxb1 36.Rxb1 exf5 37.Rxb4 Rc6 38.Kf3 Rxg6 39.Kf4 Re6 40.Kxf5 Rxe3 41.Kf4 
Re7 42.Rh3 Re4+ 43.Kf3 Re7 44.a4 Bc4 45.Rh2 Kh7 46.Rhb2 h5 47.Rb7 Re6 48.
Rg2 Rf6+ 49.Ke3 Re6+ 50.Kf3 Rf6+ 1/2-1/2

