[Event "Ch Department"] [Site "masterchessopen.com – Bucaramanga (Colombia)"] [Date "2010.12.19"] [Round "4"] [White "Loaiza Valdes Cesar"] [Black "Acosta Luis Ivan (COL)"] [Result "0-1"] [BlackElo "1818"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.Nxe5 Nxe5 9.dxe5 Be6 10.a3 c6 11.Nd2 Nc5 12.Ba2 Be7 {#R} 0-1