[Event "It (open)"] [Site "Bad Koenigshofen (Germany)"] [Date "2006.08.05"] [Round "3"] [White "Guenthner Arthur (GER)"] [Black "Lewandowski Matthias"] [Result "0-1"] [WhiteElo "1679"] [BlackElo "1688"] [ECO "E00"] [Opening "Queen's Pawn: Neo-Indian, 3...c5"] 1.d4 Nf6 2.c4 e6 3.Nc3 c5 4.d5 exd5 5.cxd5 d6 6.Nf3 Bg4 7.Bg5 Be7 8.e3 O-O 9.Be2 a6 10.O-O Nbd7 11.a3 Rc8 12.Rb1 b5 13.b4 cxb4 14.Na2 bxa3 15.Rb3 Nxd5 16.Bxe7 Qxe7 17.Rxa3 Nc7 18.Nb4 Nc5 19.Qd4 Qe4 20.Nc6 Qxc6 21.Qxg4 Qe4 22.Qg3 b4 23.Raa1 Rfd8 24.Rfd1 b3 25.Rab1 Nd5 {#R} 0-1