[Event "Tournament"] [Site "masterchessopen.com – Medellin (Colombia)"] [Round "5"] [White "Castro Carlos Alfonso"] [Black "Arroyave Jhon Jairo"] [Result "0-1"] [ECO "D10"] [Opening "Slav: 3.Nc3 Nf6"] 1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Nf3 e6 5.h3 dxc4 6.e4 b5 7.e5 Nd5 8.Nxd5 cxd5 9.Be2 Nc6 10.O-O Be7 11.a3 O-O 12.Bg5 Bxg5 {#R} 0-1