[Event "It (open) (4)"] [Site "masterchessopen.com – Dallas (USA)"] [Round "0"] [White "Ivanov Alexander (USA)"] [Black "Martin Del Campo Roberto (MEX)"] [Result "1-0"] [WhiteElo "2523"] [BlackElo "2455"] [ECO "B90"] [Opening "Sicilian: Najdorf"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.g3 e5 7.Nde2 Be7 8.a4 b6 9.Bg2 Bb7 10.h3 h5 11.Bg5 Nbd7 12.O-O Qc7 13.Qd2 Bc6 14.Rfe1 Rb8 15.Nc1 b5 16.axb5 axb5 17.Nd3 b4 18.Nd5 Bxd5 19.exd5 b3 20.Nb4 e4 21.Na6 Qb7 {#r} 1-0