[Event "Ch Provincial (1/2 final)"] [Site "masterchessopen.com Pinar del Rio (Cuba)"] [Date "2010.10.13"] [Round "1"] [White "Caceres Machuat Johan A"] [Black "Concepcion Ayala Ronald"] [Result "0-1"] [ECO "D10"] [Opening "Slav: 3.Nc3 Nf6 4.Bg5"] 1.d4 d5 2.c4 c6 3.Nc3 Nf6 4.Bg5 e6 5.Nf3 dxc4 6.e4 b5 7.e5 h6 8.Be3 Nd5 9.a4 b4 10.Na2 Ba6 11.Rc1 b3 12.Nc3 Nxc3 13.bxc3 Qa5 14.Nd2 Ba3 15.Nxc4 Bxc4 16.Bxc4 Bxc1 17.Qxc1 Qxa4 18.Bd3 Nd7 19.O-O Rb8 20.Qb2 Qa5 21.Ra1 Qc7 22.Qa3 c5 23.Qxa7 b2 {#R} 0-1