[Event "Tournament (juniors) (under 15)"] [Site "masterchessopen.com – Colombia"] [Date "2010.10.17"] [Round "4"] [White "Rosero Jefferson"] [Black "Tamayo Michael Leandro"] [Result "1-0"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.h3 Bd7 6.c3 Nf6 7.Bc2 Be7 8.O-O O-O 9.d4 Re8 10.Be3 exd4 11.cxd4 h6 12.Nc3 Bf8 13.Qd2 Qc8 14.Nh2 Na5 15.b3 Nc6 16.f4 Qd8 17.g4 Nh7 18.Qf2 Be7 19.Nf3 Rf8 20.Qg3 g5 21.f5 f6 22.Bd3 Be8 23.Rf2 Bf7 24.h4 Kg7 25.hxg5 Nxg5 26.Raf1 Rh8 27.Bc4 Nb4 28.Bxf7 Kxf7 29.e5 dxe5 30.dxe5 Nd3 31.e6+ Kg7 32.Rd2 Nxf3+ 33.Rxf3 Bd6 34.Rxd3 Bxg3 35.Rxd8 Raxd8 36.Rxg3 Rd3 37.Bxh6+ {#r} 1-0