[Event "Ch Colombia (1/2 final)"] [Site "Santa Rosa de Cabal (Colombia)"] [Date "2011.06.24"] [Round "6"] [White "Martinez Arroyo Luis Alberto (COL)"] [Black "Arias Oscar Eduardo"] [Result "1-0"] [WhiteElo "1843"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Qe2 b5 7.Bb3 O-O 8.c3 d5 9.d3 Bg4 10.h3 Bh5 11.Rd1 Re8 12.Nbd2 Bf8 13.Nf1 h6 14.g4 Bg6 15.Ng3 Na5 16.Bc2 c5 17.Kh2 h5 18.g5 Nh7 19.Rg1 {#r} 1-0