[Event "It (open) \"] [Site "masterchessopen.com Berlin (Germany)"] [Date "2012.08.19"] [Round "2"] [White "Matitschka Heinz"] [Black "Gueldenpfennig Gavin (GER)"] [Result "1/2-1/2"] [WhiteElo "1870"] [BlackElo "1544"] [ECO "D50"] [Opening "QGD: Dutch-Peruvian Gambit"] 1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 c5 5.e3 Be7 6.Nf3 Qa5 7.Bd3 dxc4 8.Bxc4 O-O 9.O-O Rd8 10.Qe2 cxd4 11.exd4 Nc6 12.Rad1 Nxd4 13.Nxd4 Qxg5 14.Nxe6 fxe6 15.Bxe6+ Bxe6 16.Qxe6+ Kf8 17.Rfe1 Re8 18.Re5 Qg6 19.Qb3 Rad8 20.Rde1 Bc5 21.Rxe8+ Rxe8 22.Rxe8+ Qxe8 23.Qd1 Qe7 24.h3 h6 25.Na4 Bb4 26.Nc3 Kg8 27.Kf1 Qc7 28.Qb3+ Nd5 29.Qxd5+ Kh8 30.Kg1 {#d} 1/2-1/2