[Event "Olympiad"] [Site "masterchessopen.com - Buenos Aires (Argentina)"] [Round "7"] [White "Powell John"] [Black "Silva Sanchez Carlos (CHI)"] [Result "0-1"] [WhiteElo "2200"] [BlackElo "2395"] [ECO "A01"] [Opening "Nimzowitsch-Larsen: 1...d5 2.Bb2"] 1.b3 d5 2.Bb2 Bg4 3.h3 Bh5 4.Nf3 Nd7 5.e3 e6 6.Be2 Ngf6 7.c4 c6 8.O-O Bd6 9.d4 Ne4 10.Nbd2 f5 11.a4 O-O 12.Ba3 Bxa3 13.Rxa3 Qe7 14.c5 a5 15.Ra1 Nc3 16.Qe1 e5 17.dxe5 Nxe5 18.Nd4 Bxe2 19.Nxe2 Nd3 {#R} 0-1