[Event "Tournament (a)"] [Site "masterchessopen.com – Guatemala City (Guatemala)"] [Round "0"] [White "Paiz C Julio R"] [Black "Martinez P Ingrid L"] [Result "0-1"] [ECO "C15"] [Opening "French: Winawer, 4.a3 Bxc3+"] 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 dxe4 6.Qg4 Ne7 7.Qxg7 Rg8 8.Qxh7 Qd5 9.Be2 Nd7 10.Qh3 Nf6 11.f3 e5 12.Qh4 Qc6 13.Bb2 Nf5 14.Qf2 exd4 15.cxd4 e3 16.Qf1 Qxc2 17.Bb5+ c6 18.Qe2 Rxg2 19.Qxc2 Rxc2 20.Bd3 Rxb2 {#R} 0-1