[Event "1st Mercosur ol"]
[Site "Mar del Plata ARG"]
[Date "2009.06.23"]
[Round "4"]
[White "Rios Escobar, Adan CHI"]
[Black "Tristan, Leonardo ARG2"]
[Result "1/2-1/2"]
[WhiteElo "2311"]
[BlackElo "2393"]
[ECO "B20"]
[EventDate "2009.06.20"]
[PlyCount "115"]

1.e4 c5 2.Ne2 d6 3.g3 g6 4.Bg2 Bg7 5.O-O Nc6 6.c3 e5 7.Na3 Nge7 8.Nc2 O-O 
9.d3 Be6 10.Bg5 Qa5 11.d4 exd4 12.cxd4 cxd4 13.Bxe7 Nxe7 14.Nexd4 Bxa2 15.
e5 dxe5 16.Ne2 Rfd8 17.Qc1 Qd2 18.Rxa2 Qxe2 19.Bxb7 Rab8 20.Rxa7 Nc8 21.
Ba6 Qf3 22.Rc7 Nd6 23.Ne3 h5 24.Qc2 Nb5 25.Bxb5 Rxb5 26.Re1 e4 27.Nc4 Qd3 
28.Qe2 Qxe2 29.Rxe2 f5 30.Rc6 Kh7 31.Rc7 h4 32.Kg2 Kh6 33.Re1 Rd4 34.Ra1 
Rb4 35.Ne3 Rxb2 36.Nxf5+ gxf5 37.Ra6+ Kh7 38.Raa7 Rdd2 39.Rxg7+ Kh6 40.
gxh4 Rxf2+ 41.Kg1 Rfe2 42.Rh7+ Kg6 43.Rhg7+ Kf6 44.Rgf7+ Ke6 45.Rfe7+ Kd5 
46.Rad7+ Kc5 47.Rd1 Rg2+ 48.Kf1 Rxh2 49.Kg1 Rbg2+ 50.Kf1 Rh1+ 51.Kxg2 Rxd1
52.h5 Rd2+ 53.Kg3 Kd6 54.Re8 Rd3+ 55.Kg2 Ra3 56.h6 Ra7 57.Kg3 Rh7 58.Kf4 
1/2-1/2

