[Event "It"] [Site "masterchessopen.com – Arvier (Italy)"] [Round "5"] [White "Trotto Pierangelo (ITA)"] [Black "Efimov Igor (MNC)"] [Result "0-1"] [WhiteElo "1904"] [BlackElo "2459"] [ECO "B54"] [Opening "Sicilian: Open, 2...d6, 4...Nf6"] 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 Nc6 6.Be2 e5 7.Nb3 Be7 8.Be3 O-O 9.O-O Be6 10.Kh1 a5 11.a4 Nb4 12.Rc1 Rc8 13.f3 d5 14.exd5 Nfxd5 15.Nxd5 Nxd5 16.Bg1 Bg5 17.Ra1 b6 18.Ba6 Rc6 19.Qe2 Nb4 20.c4 Nxa6 {#R} 0-1