[Event "Ch Russia (w) (1 liga)"] [Site "masterchessopen.com Kolontaevo (Russia)"] [Round "7"] [White "Dudareva Nina (RUS)"] [Black "Deriabina Svetlana (RUS)"] [Result "1-0"] [WhiteElo "2084"] [BlackElo "2101"] [ECO "C70"] [Opening "Spanish: 4.Ba4"] 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.d3 b5 6.Bb3 Be7 7.c3 O-O 8.Bg5 d6 9.h3 Na5 10.Bc2 c5 11.O-O Nc6 12.d4 cxd4 13.cxd4 Qc7 14.Nc3 Nb4 15.Bb3 exd4 16.Nxd4 Bb7 17.Nf5 Rad8 18.a3 Nc6 19.Bxf6 Bxf6 20.Nd5 Bxb2 21.Nxc7 Bxa1 22.Qxa1 Ne5 23.f4 {#r} 1-0