[Event "It (cat.12)"] [Site "masterchessopen.com Pulvermuehle (Germany)"] [Date "2006.02.28"] [Round "4"] [White "Gustafsson Jan (GER)"] [Black "Korchnoi Viktor (SUI)"] [Result "1/2-1/2"] [WhiteElo "2584"] [BlackElo "2607"] [ECO "E32"] [Opening "Nimzo-Indian: Classical, 4...d6"] { Gustafsson Jan (GER) +11 =10 -0 Korchnoi Viktor (SUI) +11 =9 -2 } 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 d6 ( 4...O-O 5.a3 Bxc3+ 6.Qxc3 d6 7.Nf3 b6 8.e3 Ba6 9.Be2 Nbd7 10.b4 c5 11.Bb2 Rc8 12.Nd2 cxb4 13.axb4 Bxc4 14.Nxc4 b5 15.Qb3 bxc4 16.Bxc4 Nb6 17.Bd3 Qd7 18.O-O d5 19.b5 Nc4 20.Rfc1 Nxb2 21.Qxb2 Rxc1+ 22.Rxc1 g6 23.h3 Rb8 24.Qa3 { ...1/2-1/2, Kobalia Mikhail 2654 - Korchnoi Viktor 2608 , Gibraltar 28. 1.2006 It (open) "Gibtelecom Masters" } ) 5.Bg5 { = } 5...c5 ( 5...Nbd7 6.e3 b6 7.Bd3 Bb7 8.f3 h6 9.Bh4 Bxc3+ 10.Qxc3 e5 11.e4 Nxe4 12.Bxd8 Nxc3 13.Bxc7 e4 14.bxc3 exd3 15.Kd2 O-O 16.Bxd6 Rfe8 17.Kxd3 Re6 18.Bg3 Rae8 19.Nh3 Re2 20.Bf2 Bc8 21.c5 Nxc5+ 22.dxc5 Bxh3 23.gxh3 Rxf2 24.Rhf1 Rxh2 25.cxb6 { ...1/2-1/2, Turner Matthew 2491 - Speelman Jonathan S 2623 , Millfield 2000 Ch Great Britain } ) 6.dxc5 ( 6.e3 h6 7.Bh4 Nc6 8.dxc5 dxc5 9.a3 Bxc3+ 10.Qxc3 e5 11.Bd3 Qa5 12.Ne2 Be6 13.Bxf6 { 1/2-1/2, Greenfeld Alon 2535 - Smyslov Vassily 2570 , Beer-Sheva 1990 It (cat.13) } ) 6...dxc5 7.a3 ( 7.e3 h6 8.Bh4 Nc6 9.Ne2 e5 10.a3 Ba5 11.Rd1 Qe7 12.Bxf6 Qxf6 13.Ng3 O-O 14.Be2 Qh4 15.O-O f5 16.Nb5 Qe7 17.Nd6 g6 18.Nxc8 Raxc8 19.Rd5 Rcd8 20.Rfd1 e4 21.Bf1 Bc7 22.Ne2 Be5 23.Nc3 h5 24.Rxd8 Rxd8 25.Nd5 Qd6 26.g3 h4 { ...1/2-1/2, Sasikiran Krishnan 2663 - Korchnoi Viktor 2620 , Paks 12. 6.2005 Memorial Gyorgy Marx (cat.16) } ) 7...Ba5 8.e3 { +0.37 CAP N } ( 8.Nf3 Nc6 9.e3 h6 10.Bh4 Qe7 11.Be2 e5 12.Nd2 Bxc3 13.Qxc3 Bf5 14.g4 Bg6 15.Bf3 e4 16.Be2 Ne5 17.O-O-O O-O 18.Rhg1 Rfe8 19.Nb3 b6 20.h3 a5 21.Kb1 Qe6 22.Ka1 a4 23.Nc1 Nh7 24.Bg3 Ng5 25.Bxe5 Qxe5 26.Qxe5 Rxe5 27.h4 Nf3 { ...0-1, Shishkov Andrei 2150 - Karner Hillar 2325 , Tallinn 1996 Ch Estonia } ) 8...Bd7 9.O-O-O Qe7 10.Nf3 Bc6 11.Ne5 h6 12.Bh4 Bc7 { ?! } ( 12...O-O { !? } 13.Bd3 Bxc3 14.Qxc3 Rd8 { } ) 13.Nxc6 Nxc6 14.Be2 g5 15.Bg3 Bxg3 16.hxg3 Kf8 17.f4 Kg7 18.Bf3 Rac8 19.Ne4 Nxe4 20.Bxe4 Rcd8 21.Bxc6 bxc6 22.Qc3+ f6 23.Qa5 e5 24.f5 e4 25.Qc3 h5 26.Rxd8 Rxd8 27.Rxh5 { ?! } ( 27.Qc2 { !? } 27...Rd3 28.Rxh5 a6 29.Qe2 { } ) 27...Qd7 { ?! } ( 27...Qd6 { !? } 28.Qe1 Qd3 29.Rh1 Qxc4+ { } ) 28.Rh1 Qxf5 29.Kb1 Qd7 { } {#d} 1/2-1/2