[Event "Ch Colombia (juniors) (under 14) (g)"] [Site "masterchessopen.com Medellin (Colombia)"] [Date "2009.12.18"] [Round "6"] [White "Ruiz Arenas Maria Camila"] [Black "Valencia Yenny"] [Result "0-1"] [ECO "D40"] [Opening "QGD: Semi-Tarrasch"] 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.Bf4 Nc6 6.e3 Bd6 7.Bg3 a6 8.a4 O-O 9.Bd3 Re8 10.O-O Na5 11.b3 Qb6 12.Rb1 h6 13.Re1 Be7 14.Ne5 Nc6 15.Nxc6 Qxc6 16.Be5 Bd7 17.e4 cxd4 18.Bxd4 Rac8 19.Re3 Bd8 20.Rc1 dxc4 21.Ne2 Qd6 22.Bxc4 e5 23.Bb2 Qxd1+ 24.Rxd1 Bc6 25.f3 Bb6 26.Nd4 Bxd4 27.Bxd4 exd4 28.Rxd4 {#R} 0-1