[Event "Ch City (open)"] [Site "Hamburg (Germany)"] [Date "2009.06.02"] [Round "4"] [White "Carlstedt Jonathan (GER)"] [Black "Jacoby Gisbert (GER)"] [Result "1-0"] [WhiteElo "2309"] [BlackElo "2220"] [ECO "A13"] [Opening "English: 1...e6 2.g3 d5"] 1.c4 e6 2.g3 d5 3.Bg2 Nf6 4.Nf3 Be7 5.O-O O-O 6.Qc2 d4 7.d3 c5 8.e3 Nc6 9.exd4 cxd4 10.a3 a5 11.Bg5 Nd7 12.Bxe7 Qxe7 13.Nbd2 Nc5 14.Rfe1 f6 15.Ne4 Na6 16.c5 Rd8 17.Qc4 Rb8 18.Bh3 b5 19.cxb6 Rxb6 20.b4 axb4 21.axb4 Qxb4 22.Bxe6+ Kf8 23.Bxc8 Rxc8 24.Qd5 Rd8 25.Qh5 Kg8 26.Neg5 fxg5 27.Nxg5 Ne7 28.Rxe7 {#r} 1-0