[Event "Simultan (blindfold)"] [Site "masterchessopen.com San Pablo (Argentina)"] [Round "9"] [White "Najdorf Miguel (POL)"] [Black "Costa J"] [Result "1-0"] [WhiteElo "2445"] [ECO "D26"] [Opening "QGA: 4.e3 e6 5.Bxc4"] 1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Qe2 b5 8.Bb3 Bb7 9.Rd1 c4 10.Bc2 Be4 11.a4 Bxc2 12.Qxc2 Nc6 13.Nc3 Bb4 14.axb5 axb5 15.Rxa8 Qxa8 16.Nxb5 O-O 17.Qxc4 Qa6 18.Ne5 Rc8 19.Nxc6 Qxc6 20.Qxb4 Qxc1 21.Rf1 Nd5 22.Qb3 Qd2 23.Nc3 g6 24.Nxd5 exd5 25.Qxd5 Qxb2 26.h3 {#r} 1-0