[Event "It (open)"] [Site "masterchessopen.com Mainz (Germany)"] [Round "1"] [White "Grischuk Alexander (RUS)"] [Black "Tischendorf Michael Dr (GER)"] [Result "1-0"] [WhiteElo "2704"] [BlackElo "2201"] [ECO "C17"] [Opening "French: Winawer, 5.a3"] { Tischendorf Michael Dr (GER) +1 =0 -0 } 1.e4 { 1 } 1...e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Ba5 6.b4 cxd4 7.Nb5 Bc7 8.f4 { ?/= } 8...Bd7 ( 8...Ne7 9.Nf3 Bd7 10.Nxc7+ Qxc7 11.Bd3 a6 12.O-O Nbc6 13.Bb2 Qb6 14.Kh1 h6 15.Rb1 Rc8 16.Ba1 Nf5 17.Qe1 Qc7 18.Bxf5 { 1/2-1/2, Luther Thomas 2604 - Lastin Alexander 2628 , Ohrid 2001 Ch Europe } ) ( 8...Nh6 9.Nf3 Bd7 10.Nxc7+ Qxc7 11.Bd3 a6 12.O-O Bb5 13.Bxb5+ axb5 14.Qd3 Nc6 15.Qxb5 Qd7 16.Qc5 Rc8 17.Re1 Nf5 18.Qb6 h5 19.Re2 O-O 20.Bb2 Nce7 21.Nxd4 Rc4 22.Nb3 d4 23.Nc5 Qd5 24.Nb3 d3 25.Rf2 Rxc2 26.Nd4 Rxf2 27.Kxf2 Rc8 28.Kg1 { ...0-1, Almasi Zoltan 2620 - Hug Werner 2445 , Altensteig 1994 It (cat.12) } ) ( 8...a5 9.Bb2 axb4 10.axb4 Rxa1 11.Bxa1 Nc6 12.Nxc7+ Qxc7 13.Nf3 Nxb4 14.Nxd4 Nh6 15.Bb5+ Bd7 16.Bxd7+ Qxd7 17.g4 O-O 18.g5 Nf5 19.Nxf5 exf5 20.O-O Rc8 21.c3 Na6 22.Rf2 Rc4 23.Rd2 Nc7 24.Rd4 Qb5 25.h3 Rxd4 26.cxd4 Ne6 27.h4 Nxf4 28.Qc2 { ...0-1, Computer "Complete Chess Sys X" - Vaganian Rafael A 2645 , Hague 1994 It (sheveningen) } ) 9.Nxc7+ Qxc7 10.Nf3 Nc6 ( 10...Ba4 11.Bd3 Qc3+ 12.Bd2 Qxd3 13.cxd3 Bxd1 14.Kxd1 Nh6 15.Ke2 Nc6 16.b5 Ne7 17.Rhc1 Kd7 18.a4 f6 19.Rc2 Rac8 20.Rac1 Rxc2 21.Rxc2 Nf7 22.exf6 gxf6 23.Nxd4 e5 24.fxe5 fxe5 25.Nf3 Rg8 26.g3 Nf5 27.Be3 Nxe3 28.Kxe3 Rg4 29.d4 exd4+ 30.Kd3 { ...0-1, Doggers Peter 2192 - Nijboer Friso 2553 , Leeuwarden 2002 Ch Netherlands (1/2 final) (KO-system) } ) ( 10...Ne7 11.Bd3 a6 12.O-O Nbc6 13.Bb2 Qb6 14.Kh1 h6 15.Rb1 Rc8 16.Ba1 Nf5 17.Qe1 Qc7 18.Bxf5 { 1/2-1/2, Luther Thomas 2604 - Lastin Alexander 2628 , Ohrid 2001 Ch Europe } ) 11.Bd3 ( 11.Bb2 Nge7 12.Bd3 a6 13.O-O h6 14.Qd2 O-O 15.Kh1 Nf5 16.Rfe1 Rac8 17.a4 Ne3 18.Nxd4 Nc4 19.Bxc4 dxc4 20.Nxc6 Bxc6 21.Bd4 Bd5 22.Ra3 Qc6 23.a5 Be4 24.Rg3 Bf5 25.Qe2 Rfd8 26.Rd1 Qe4 27.Qxe4 Bxe4 28.c3 h5 29.Re3 Bd3 30.g3 Kh7 { ...1/2-1/2, Apicella Manuel 2390 - Dimitrov Vladimir 2380 , Sofia 1990 Match "Bulgaria-France" } ) 11...Nh6 { N } ( 11...Nge7 12.O-O ( 12.Bb2 Nf5 13.Bxf5 exf5 14.O-O O-O 15.Qd3 Rac8 16.Rf2 a6 17.Re1 Rfe8 18.h3 h6 19.Nh4 Ne7 20.e6 fxe6 21.Qxd4 e5 22.Rxe5 Qc4 23.Rxd5 Qxd4 24.Rxd4 Be6 25.Rd6 Rc6 26.Rfd2 Rec8 27.Be5 Kf7 28.c3 Rxd6 29.Rxd6 Nd5 30.Nxf5 Nxf4 31.Nd4 { ...1-0, Kalegin Evgenij 2437 - Bashkov Viacheslav 2387 , Ufa 1999 Ch Russia (1/2 final) } ) 12...a6 ( 12...Nf5 13.Qe2 Qb6 14.Bd2 Rc8 15.Rfb1 Ne3 16.a4 Nc4 17.a5 Qc7 18.Be1 h6 19.Bf2 O-O 20.Nxd4 Nxd4 21.Bxd4 b6 22.axb6 axb6 23.Ra2 Ra8 24.Rba1 Rxa2 25.Rxa2 Qc6 26.Qe1 Ra8 27.Qa1 Rxa2 28.Qxa2 Qb7 29.c3 Bc6 30.Bb1 Qa8 31.Qxa8+ { ...1/2-1/2, Zumsande Martin 2315 - Buhmann Rainer 2386 , Neumuenster 1999 Ch Germany (juniors) } ) 13.Qe2 h5 14.Bd2 Nf5 15.Rfb1 Nce7 16.a4 g6 17.Qf2 Qb6 18.c3 Kf8 19.cxd4 Kg7 20.Be1 Nc6 21.Kh1 Rhc8 22.h3 Rh8 23.Bxf5 exf5 24.b5 Nd8 25.Qh4 axb5 26.axb5 Rc8 27.Bb4 Ne6 28.Qf6+ Kg8 29.Ng5 Be8 { 1-0, Aseev Konstantin N 2525 - Budnikov Alexandar 2525 , Moscow 1991 Ch URS (swiss) } ) 12.O-O { } ( 12.Bb2 Rc8 13.Qe2 Nf5 14.O-O Ne3 15.Rfc1 Nc4 16.Bxc4 dxc4 17.Bxd4 Nxd4 18.Nxd4 c3 19.Rd1 O-O 20.Rd3 Rfd8 21.Rad1 Ba4 22.Kh1 Rd5 23.Qe3 Rcd8 24.Rxc3 Qd7 25.Qf2 Bb5 26.Rc5 Rxc5 27.bxc5 Qd5 28.Rd2 Qc4 29.h3 Qc3 30.Nb3 Rxd2 31.Qxd2 Qxd2 { ...1-0, Sevilliano - Comas Fabrego Luis 2500 , Moscow 1994 Olympiad } ) 12...O-O { N } ( 12...Qb6 13.Qe2 a6 14.Bd2 Nf5 15.Bxf5 exf5 16.Kh1 h5 17.Qf2 Ne7 18.a4 { 1/2-1/2, Novik Maxim 2460 - Budnikov Alexandar 2535 , Berlin 1994 It (open) "Berlin Summer" } ) ( 12...a6 13.Kh1 Rc8 14.Bb2 Ne7 15.Nxd4 Nhf5 16.Nxf5 Nxf5 17.Bxf5 exf5 18.Qxd5 Qxc2 19.e6 Bc6 20.exf7+ Kf8 21.Qc5+ Qxc5 22.bxc5 Kxf7 23.Rfd1 Rhe8 24.Be5 g5 25.Kg1 gxf4 26.Bxf4 Re4 27.g3 Rce8 28.Ra2 Re2 29.Rxe2 Rxe2 30.Rd6 Rg2+ 31.Kf1 Rxh2 32.Rh6 { ...1/2-1/2, Van Der Wiel John T H 2540 - Hort Vlastimil 2595 , Amsterdam 1988 It (cat.14) } ) 13.Qe2 Rac8 14.Ng5 g6 15.Rf3 Nf5 16.Bxf5 { ?! } ( 16.Rh3 { !? } 16...h6 17.Bxf5 hxg5 18.Bd3 { } ) 16...exf5 17.Rh3 d3 { ? } ( { ? } 17...h5 18.Bb2 a5 19.Qf3 Qb6 { } ) 18.Nxh7 Kg7 19.Nf6 Rh8 20.Rxd3 Nd8 { ?! } ( 20...Be6 { !? } 21.Nxd5 Bxd5 22.Rxd5 Nd4 { } ) 21.e6 Nxe6 { ?! } ( 21...Bxe6 { !? } 22.Bb2 Kf8 23.Be5 Qb6+ { } ) 22.Nxd5 { } {#r} 1-0