[Event "It (open)"] [Site "masterchessopen.com Zurich (Switzerland)"] [Round "1"] [White "Duessel Udo (GER)"] [Black "Moor Roger (SUI)"] [Result "0-1"] [WhiteElo "2140"] [BlackElo "2397"] [ECO "D85"] [Opening "Gruenfeld: Exchange, 5.e4"] { Duessel Udo (GER) +2 =0 -0 Moor Roger (SUI) +1 =0 -1 } 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 c5 9.O-O Nc6 10.Be3 Qc7 11.Rc1 Rd8 12.Qd2 ( 12.Nf4 e6 13.d5 e5 14.Ne2 Na5 15.Qd3 a6 16.a4 Rb8 17.Rcd1 Rd6 18.f4 b5 19.axb5 axb5 20.Ba2 Ba6 21.Qc2 Re8 { ...1-0, Duessel Udo(2090) - Dewenter Ulf(2260), Schwabisch Gmund 1997 It (open) "Staufer" } ) 12...a6 { ?/= } ( 12...Qa5 13.Rfd1 cxd4 14.cxd4 Qxd2 15.Rxd2 Bd7 16.Bb5 a6 17.Bxc6 Bxc6 18.d5 Bb5 19.Nd4 Rdc8 20.Rdd1 Ba4 21.Re1 Be5 22.f3 { ...0-1, Riedener Toni(2168) - Moor Roger(2385), Scuol 2001 Ch Switzerland } ) 13.f4 ( 13.Bh6 b5 { 1/2-1/2, Lukacs Peter(2500) - Adorjan Andras(2530), Budapest 1991 Ch Hungary } ) ( 13.Bb3 b5 14.Bh6 Be5 { +0,21 CAP } ) 13...b5 ( 13...Bg4 14.f5 gxf5 15.exf5 Bxe2 16.Qxe2 cxd4 17.cxd4 Bxd4 18.Bxd4 Rxd4 19.Qh5 Kh8 20.Bxf7 Qe5 21.Rf3 Rad8 22.Rh3 Qg7 23.Bg6 { ...1-0, Karpman Vadim(2365) - Liss Eran(2525), Tel Aviv 1996 Cup Tel Aviv (active) } ) ( 13...e6 14.Rfd1 { -0,45 CAP } ) 14.Bd3 { -0,06 CAP } ( 14.Bd5 e6 15.Bb3 Na5 16.Qe1 Nxb3 17.axb3 cxd4 18.Bxd4 Bxd4+ 19.Nxd4 Bb7 20.f5 exf5 21.exf5 Re8 22.Qd2 Qc5 23.b4 Qd5 { ...1-0, Ostenstad Berge(2365) - Bergstad Odd Oyvind(2280), Gausdal 1985 Ch Norway } ) 14...e6 { N } ( 14...Qa5 15.d5 c4 16.Bb1 e6 17.d6 Bb7 18.e5 Rd7 19.Ng3 Nd8 20.Ne4 Bxe4 21.Bxe4 Rb8 22.Rb1 Rc8 23.a4 Nb7 24.axb5 { ...1/2-1/2, Karpman Vadim(2365) - Liss Eran(2525), Tel Aviv 1996 Cup Tel Aviv (active) } ) ( 14...f5 15.exf5 c4 16.Bb1 ( 16.Be4 gxf5 17.Bf3 e6 18.Qc2 Rb8 19.g4 Ne7 20.Ng3 Rf8 21.g5 Bb7 22.Bxb7 Rxb7 23.Rce1 Nd5 24.Bd2 { ...1-0, Umezinwa George(2310) - Lonoff Marc(2340), Illinois 1989 Tournament } ) 16...gxf5 17.Ng3 e6 18.Nh5 Bh8 19.Rf3 Ne7 20.Bf2 Bb7 21.Re3 Kf7 22.Rce1 Rd6 23.Bh4 Ng6 24.Bg5 { ...0-1, Haik Aldo(2455) - Kouatly Bachar(2430), Cannes 1986 It (cat.10) } ) ( 14...Qd7 15.d5 c4 16.Bb1 e6 17.Bb6 Re8 18.Rfd1 exd5 19.exd5 Bb7 20.Ng3 Ne7 21.Be4 Qd6 22.Ba5 Qc5+ 23.Kh1 Bxd5 24.Bxd5 { ...0-1, Pavlovic Slobodan(2340) - Dragojlovic Andjelko(2385), Yugoslavia 1994 Ch Yugoslavia (team) (2 liga) } ) 15.f5 { -0,26 } ( 15.dxc5 { !? } 15...Bf8 16.c4 Nb4 17.Qxb4 { -0,08 } ) 15...exf5 16.exf5 cxd4 { ? +0,46 } ( 16...Bb7 { ! !? } 17.Bh6 Ne5 18.dxe5 Rxd3 { -0,26 } ) 17.cxd4 Qd7 18.fxg6 hxg6 19.Bg5 { ? -0,08 } ( 19.Bc2 { ! !? } 19...Qe8 20.Bb3 Bf5 21.Rf2 { +0,50 } ) 19...Re8 20.Rxc6 { ?? -2,01 } ( 20.Bf6 { ! } 20...Bxf6 21.Rxf6 Nxd4 22.Ng3 { -0,08 } ) 20...Qxc6 21.Qf4 { ? -3,01 } ( 21.Rf2 { !? } 21...Bb7 22.a4 bxa4 23.Bb1 { -2,01 } ) 21...Bf5 22.Bxf5 Rxe2 23.Bh3 Qd5 { -3,01 } {#R} 0-1