[Event "1st Mercosur ol"]
[Site "Mar del Plata ARG"]
[Date "2009.06.26"]
[Round "7"]
[White "Mahia, Gustavo ARG2"]
[Black "Diamant, Andre BRA"]
[Result "0-1"]
[WhiteElo "2393"]
[BlackElo "2506"]
[ECO "E71"]
[EventDate "2009.06.20"]
[PlyCount "88"]

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.h3 O-O 6.Bd3 c6 7.Nf3 a6 8.Be3 b5 9.
O-O Nbd7 10.e5 Ne8 11.e6 fxe6 12.Ng5 Ndf6 13.b3 e5 14.dxe5 dxe5 15.cxb5 
Qa5 16.Bc4+ Kh8 17.Bd2 axb5 18.Nxb5 Qb6 19.Nc3 Nd6 20.Be6 Ba6 21.Re1 e4 
22.Na4 Qd4 23.Bc3 Qxd1 24.Raxd1 h6 25.Rxd6 exd6 26.Nf7+ Kh7 27.Nxd6 Bb5 
28.Nxe4 Nxe4 29.Rxe4 Bxa4 30.Bxg7 Kxg7 31.bxa4 Rfe8 32.f3 Kf6 33.Bb3 Rxe4 
34.fxe4 Ke5 35.Kf2 Kxe4 36.Bc2+ Kd4 37.Bxg6 Rxa4 38.h4 Rxa2+ 39.Kf3 c5 40.
g4 c4 41.g5 hxg5 42.hxg5 c3 43.Kf4 Rf2+ 44.Kg3 c2 0-1

