[Event "It (cat.16)"] [Site "masterchessopen.com Essen (Germany)"] [Round "1"] [White "Korchnoi Viktor (SUI)"] [Black "Fridman Daniel (GER)"] [Result "1-0"] [WhiteElo "2642"] [BlackElo "2571"] [ECO "D12"] [Opening "Slav: 4.e3 Bf5 5.Nc3 e6"] { Korchnoi Viktor (SUI) +4 =3 -2 } 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.e3 Bf5 5.Nc3 ( 5.Bd3 Bxd3 6.Qxd3 e6 7.O-O Nbd7 8.Rd1 Be7 9.Nc3 O-O 10.e4 dxe4 11.Nxe4 Nxe4 12.Qxe4 Nf6 13.Qe2 Qc7 14.Bg5 { 1/2-1/2, Korchnoi Viktor(2639) - Komarov Dimitri(2540), St. Petersburg 1997 Ch St. Petersburg } ) 5...e6 6.Nh4 Be4 7.f3 Bg6 8.Qb3 ( 8.Nxg6 hxg6 9.a3 Nbd7 10.cxd5 cxd5 11.Bd3 Bd6 12.f4 a6 13.O-O b5 14.Bd2 Nb6 15.Be1 Rc8 16.Qe2 Nc4 17.a4 b4 { ...1-0, Rashkovsky Nukhim N(2514) - Masserey Yvan(2349), Biel 2001 It (open) } ) 8...Qb6 9.Nxg6 ( 9.Bd2 Qxb3 10.axb3 Bc2 11.cxd5 exd5 12.b4 g5 13.Rc1 gxh4 14.Rxc2 Bxb4 15.e4 dxe4 16.fxe4 Bxc3 17.bxc3 Nxe4 18.Bh6 Nd7 { ...1-0, Agdestein Simen(2591) - Shirov Alexei(2718), Bergen 2001 Match (active) } ) ( 9.Qxb6 axb6 10.g4 Bd6 11.g5 Nfd7 12.cxd5 exd5 13.e4 dxe4 14.Nxe4 Bxe4 15.fxe4 g6 16.Nf3 c5 17.Be3 Nc6 18.O-O-O Ke7 { ...1-0, Onischuk Alexander(2658) - Balcerak Jakob(2431), Germany 2001 Bundesliga 2000/01 } ) 9...hxg6 { ?/= +0,48 CAP } 10.Kf2 { N } ( 10.Bd2 Nbd7 11.g3 ( 11.O-O-O Qxb3 12.axb3 Bd6 13.h3 Nh5 14.Bd3 Ng3 15.Rhe1 O-O-O 16.cxd5 exd5 17.e4 dxe4 18.fxe4 f6 19.Re3 Nh5 { ...1/2-1/2, Kramnik Vladimir(2772) - Shirov Alexei(2718), Astana 2001 It (cat.20) } ) 11...Bd6 12.Kf2 Qxb3 13.axb3 a6 14.Kg2 O-O 15.g4 b5 16.g5 Nh5 17.c5 Bc7 18.f4 f5 19.Be2 Kf7 { ...1-0, Ivanchuk Vassily(2717) - Grabarczyk Miroslaw(2489), Warsaw 2001 Polish Supercup (team) } ) ( 10.g3 Nbd7 11.Bd2 Bd6 12.Kf2 Qc7 13.Kg2 Rd8 14.Be1 O-O 15.Rc1 Qb8 16.Bf2 Rfe8 17.Be2 Bf8 18.Rhd1 Nb6 19.e4 dxe4 { ...1/2-1/2, Karpov Anatoly(2679) - Anand Viswanathan(2790), Monaco 2000 It "Melody Amber" (active) } ) ( 10.c5 Qc7 11.Bd2 Nbd7 12.f4 Be7 13.Qd1 Ne4 14.Nxe4 dxe4 15.g3 Rh6 16.Qc2 f5 17.Bc4 g5 18.O-O-O b5 19.cxb6 axb6 { ...1/2-1/2, Milov Vadim(2604) - Hauchard Arnaud(2527), Istanbul 2000 Olympiad } ) 10...Nbd7 11.g3 { ?! +0,16 } ( 11.Qxb6 { !? } 11...axb6 12.b3 Bb4 13.Bb2 { +0,58 } ) 11...Qc7 12.cxd5 exd5 13.Kg2 Qb6 14.Bd3 Qxb3 15.axb3 a6 16.e4 dxe4 17.fxe4 c5 18.e5 cxd4 19.exf6 dxc3 20.Re1+ Kd8 21.Rd1 Kc8 { ?! +0,54 } ( 21...Rc8 { !? } 22.bxc3 gxf6 23.Be4 Rc7 { +0,10 } ) 22.Ra4 gxf6 { ?! +1,06 } ( 22...Ne5 { !? } 23.fxg7 Bxg7 24.bxc3 Rd8 { +0,37 } ) 23.Rc4+ Kb8 { ?! +2,00 } ( 23...Kd8 { !? } 24.Be4 c2 25.Rxc2 Rc8 { +1,06 } ) 24.Be4 Nb6 { ?? +5,00 } ( 24...Nc5 { !? } 25.Be3 cxb2 26.Bxc5 Bxc5 { +2,00 } ) 25.Rd8+ Ka7 26.Rc7 {#r} 1-0