[Event "Memorial Gyorgy Marx (cat.16)"] [Site "masterchessopen.com Paks (Hungary)"] [Date "2005.06.20"] [Round "8"] [White "Korchnoi Viktor (SUI)"] [Black "Berkes Ferenc (HUN)"] [Result "0-1"] [WhiteElo "2620"] [BlackElo "2596"] [ECO "E02"] [Opening "Catalan: Open, 5.Qa4+"] { Korchnoi Viktor (SUI) +3 =2 -0 } 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4 5.Qa4+ Nbd7 6.Nd2 c5 ( 6...c6 7.Qxc4 e5 8.Ngf3 exd4 9.Nxd4 Ne5 10.Qa4 Nd5 11.N4f3 Nxf3+ 12.Nxf3 Bb4+ 13.Nd2 Be7 14.O-O O-O 15.a3 Be6 16.Qc2 Qd7 17.Nf3 Bh3 18.e4 { 1/2-1/2, Gurevich Dmitry 2499 - Gulko Boris F 2600 , San Diego 25.11.2004 Ch USA } ) 7.Nxc4 cxd4 8.Bf4 ( 8.Nf3 Bc5 9.O-O { +0.00 CAP } ) 8...Be7 { ?/? -0.85 CAP } 9.Nf3 { N } ( 9.Nd6+ Kf8 10.Nf3 Nd5 11.Nxc8 Rxc8 12.Qxd4 Qb6 13.O-O Qxd4 14.Nxd4 Nxf4 15.gxf4 { 1/2-1/2, Portisch Lajos 2615 - Sokolov Andrei 2585 , Biel 1995 It (open) } ) 9...O-O 10.Nxd4 Nb6 11.Nxb6 Qxb6 12.O-O Bd7 13.Qd1 Rad8 14.e3 e5 15.Bxe5 Ng4 16.Nf3 Nxe5 17.Nxe5 Bb5 18.Qc2 Qe6 19.Nf3 Bxf1 20.Bxf1 Bf6 21.Bd3 g6 22.a4 Rc8 23.Qe2 Rfd8 24.Ra3 { ?! ??+ } ( 24.Rb1 { !? } 24...Qb3 25.Ne1 Rc6 26.a5 { ?/??+ } ) 24...Qh3 25.Bc2 Rd7 { ?! ?/??+ } ( 25...Qg4 { !? } 26.Bb3 Qe4 27.Ra1 Qd3 { ??+ } ) 26.Rb3 Rdc7 27.Ne1 Qe6 28.Rb4 Qd6 29.Rb3 Qa6 30.Qd1 { ?! ??+ } ( 30.Qxa6 { !? } 30...bxa6 31.Bd3 Rc1 32.Kf1 { ?/??+ } ) 30...Kg7 { ?! ?/??+ } ( 30...Qxa4 { !? } 31.Rb6 Rd7 32.Bxa4 Rxd1 { ??+ } ) 31.Rb4 Rd8 32.Bd3 Rcd7 33.Rb5 Qe6 34.Qc2 Qa2 35.Kf1 b6 36.Ke2 Qe6 37.Kf1 Rd6 38.h4 Rc8 39.Qd2 Qe4 { ?! ?/??+ } ( 39...Rcd8 { !? } 40.Qc2 Qd7 41.Rb3 Rc8 { ??+ } ) 40.Rb4 { ?! ??+ } ( 40.Bxe4 { !? } 40...Rxd2 41.Nd3 Rd8 42.Rb3 { ?/??+ } ) 40...Qh1+ 41.Ke2 a6 42.Qd1 Rc5 { ?! ?/??+ } ( 42...Be7 { !? } 43.Rf4 f5 44.Rd4 Rxd4 { ??+ } ) 43.Qb1 { ?! ??+ } ( 43.Be4 { !? } 43...Rxd1 44.Bxh1 Rd6 45.Rb3 { ?/??+ } ) 43...Qc6 44.Qd1 a5 45.Rb5 Rc1 46.Qd2 Ra1 47.e4 Rxa4 48.e5 Re4+ { ??+ } {#R} 0-1