[Event "Ch Colombia"] [Site "Medellin (Colombia)"] [Date "1977.03.26"] [Round "13"] [White "Rodriguez Mauricio"] [Black "Castro Oscar H (COL)"] [Result "0-1"] [BlackElo "2410"] [ECO "A10"] [Opening "English: Anglo-Dutch"] 1.c4 f5 2.g3 Nf6 3.d4 e6 4.Bg2 Bb4+ 5.Bd2 Be7 6.Nf3 d5 7.Qc2 c6 8.O-O O-O 9.Nc3 Kh8 10.Rac1 Nbd7 11.Bf4 Qe8 12.Be5 Ng4 13.h3 Ngxe5 14.Nxe5 Nxe5 15.dxe5 Qh5 16.e3 g5 17.Qe2 Qh6 18.f4 Bd7 19.a3 Rf7 20.b4 Rg8 21.g4 gxf4 22.exf4 fxg4 23.hxg4 Rxf4 24.Bf3 Qh3 {#R} 0-1