[Event "It (open) \"] [Site "masterchessopen.com Berlin (Germany)"] [Round "0"] [White "Pigusov Evgeny (RUS)"] [Black "Opalka Guido (GER)"] [Result "1-0"] [WhiteElo "2570"] [BlackElo "2199"] [ECO "A04"] [Opening "Reti: 1...g6"] 1.Nf3 g6 2.d4 Bg7 3.c4 d6 4.g3 Nf6 5.Bg2 O-O 6.Nc3 Nbd7 7.O-O e5 8.e4 c6 9.b3 exd4 10.Nxd4 Re8 11.h3 Nc5 12.Re1 Qa5 13.Bd2 Qb6 14.Be3 Qa5 15.Qc2 Nfxe4 16.Nxe4 Nxe4 17.Bxe4 d5 18.cxd5 cxd5 19.b4 Qb6 20.Bg2 Bxh3 21.Bxh3 Bxd4 22.Bxd4 Qxd4 23.Qb3 Re2 24.Rxe2 Qxa1+ 25.Kg2 Rd8 26.Re7 Qf6 27.Rxb7 h5 28.Qf3 {#r} 1-0