[Event "?"] [Site "masterchessopen.com Buenos Aires (Argentina)"] [Round "0"] [White "Letelier Rene (CHI)"] [Black "Schweber Samuel (ARG)"] [Result "0-1"] [WhiteElo "2151"] [BlackElo "2348"] [ECO "E41"] [Opening "Nimzo-Indian: 4.e3 c5 5.Nf3"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Nf3 O-O 6.Bd3 d5 7.a3 dxc4 8.Bxc4 Ba5 9.O-O Nc6 10.Qe2 cxd4 11.Rd1 e5 12.b4 Bb6 13.b5 e4 14.bxc6 exf3 15.gxf3 bxc6 16.Na4 c5 17.exd4 cxd4 18.Nxb6 Qxb6 19.Qb2 Qc6 20.Be2 Nd5 21.Qxd4 Nc3 22.Re1 Nxe2+ 23.Rxe2 Qg6+ 24.Kh1 Bh3 25.Bg5 Qxg5 26.Rg1 Rad8 27.Qc3 Rd1 {#R} 0-1