[Event "Ch World (juniors) (under 20)"] [Site "masterchessopen.com Tunja (Colombia)"] [Round "11"] [White "Castillo Otto (GUA)"] [Black "De Meyer Geert"] [Result "1-0"] [WhiteElo "2176"] [ECO "C13"] [Opening "French: Classical"] 1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Be7 5.e5 Nfd7 6.Bxe7 Qxe7 7.f4 O-O 8.Nf3 c5 9.dxc5 Nc6 10.Bd3 f5 11.exf6 Qxf6 12.g3 Nxc5 13.O-O Bd7 14.Qd2 Be8 15.Rae1 Bg6 16.Bxg6 Qxg6 17.Ne5 Nxe5 18.Rxe5 Rf5 19.Nxd5 exd5 20.Qxd5+ Rf7 21.Qxc5 Raf8 22.Kh1 Qa6 23.Rfe1 Qxa2 24.b3 Qa6 25.Qd5 {#r} 1-0