[Event "It (open)"] [Site "masterchessopen.com Essen (Germany)"] [Round "5"] [White "Konietzka Lutz (GER)"] [Black "Kummerow Heiko (GER)"] [Result "0-1"] [WhiteElo "2083"] [BlackElo "2303"] [ECO "A05"] [Opening "Reti: KIA"] { Konietzka Lutz (GER) +0 =2 -1 Kummerow Heiko (GER) +0 =0 -1 } 1.Nf3 { 1 } 1...Nf6 2.g3 g6 3.Bg2 Bg7 4.c4 O-O 5.Nc3 d6 6.O-O e5 7.d4 Nbd7 8.e4 c6 9.b3 { ?/= } 9...h6 ( 9...exd4 10.Nxd4 Re8 11.h3 Nc5 12.Re1 a5 ( 12...Bd7 13.Bf4 Qb6 14.Be3 Rad8 15.Qc2 Bc8 16.a3 Qc7 17.Rad1 Qe7 18.b4 Ncd7 19.Qa2 a6 20.a4 a5 21.b5 c5 22.Nde2 Nb6 23.Nf4 Be6 24.Nxe6 Qxe6 25.Nd5 Nfxd5 26.exd5 Qf6 { 1/2-1/2, Salov Valery 2655 - Kasparov Garry 2790 , Reggio Emilia 1992 It (cat.18) } ) 13.Rb1 Qb6 14.Be3 Qc7 15.Qc2 Bd7 16.Rbd1 Rad8 17.a3 Bc8 18.b4 axb4 19.axb4 Ne6 20.Na4 Nd7 21.Nxe6 Rxe6 22.Re2 Rde8 23.Red2 Qb8 24.c5 Bf8 25.Bf4 Ne5 26.Nb6 dxc5 27.bxc5 Qc7 28.Nc4 Bg7 29.Nd6 { ...1-0, Schlemmermeyer Wilhelm 2310 - Kummerow Heiko 2300 , Germany 1997 Bundesliga 1996/97 } ) ( 9...Re8 10.h3 a6 11.Be3 exd4 12.Nxd4 Nc5 13.Qc2 Qe7 14.Rfe1 Bd7 15.f3 Nh5 16.g4 Nf4 17.Bxf4 Bxd4+ 18.Kh1 Ne6 19.Bh2 Qf6 20.Rac1 Be5 21.Ne2 Bxh2 22.Kxh2 Qe5+ 23.Kh1 h5 24.Rcd1 hxg4 25.hxg4 Rad8 26.Qd2 Bc8 27.Qh6 g5 28.Kg1 b5 29.cxb5 { ...0-1, Nikolic Predrag 2655 - Kasparov Garry 2805 , New York 1994 It "Intel Chess Grand Prix" (active) } ) ( 9...Qb6 10.Rb1 exd4 11.Nxd4 Nxe4 12.Nxe4 Bxd4 13.Bb2 Bxb2 14.Rxb2 d5 15.cxd5 cxd5 16.Qxd5 Nf6 17.Nxf6+ Qxf6 18.Rd2 a5 19.Re1 a4 20.Qd4 Qxd4 21.Rxd4 axb3 22.axb3 Be6 23.Bxb7 Rab8 24.Bd5 { 1/2-1/2, Nikolic Predrag 2625 - Kasparov Garry 2790 , Debrecen 1992 Ch Europe (team) } ) ( 9...a6 10.h3 Re8 11.Be3 b5 12.dxe5 dxe5 13.Nd2 Bb7 14.Qe2 Bf8 15.a3 b4 16.axb4 Bxb4 17.Na4 a5 18.Rfd1 Qe7 19.Rac1 Nc5 20.Nxc5 Bxc5 21.Nb1 Bxe3 22.Qxe3 Nd7 23.Nc3 Nc5 24.Rb1 Red8 25.Rxd8+ Rxd8 26.Bf1 Bc8 27.Na4 Ne6 28.Nb6 Nd4 29.Nxc8 { ...0-1, Tregubov Pavel V 2609 - Loginov Valery A 2530 , Moscow 1999 Ch Russia } ) ( 9...a5 10.h3 a4 11.dxe5 dxe5 12.b4 Qe7 13.Rb1 b5 14.cxb5 cxb5 15.Re1 Bb7 16.Bg5 h6 17.Nd5 Bxd5 18.Bxf6 Nxf6 19.exd5 e4 20.Nd4 Qd7 21.Qe2 Nxd5 { 1/2-1/2, Stohl Igor 2560 - Schandorff Lars 2425 , Manila 1992 Olympiad } ) 10.h3 { N } ( 10.Be3 Nh7 11.d5 cxd5 12.Qxd5 Nb6 13.Qb5 Re8 14.Rfd1 Nd7 15.Qb4 Bf8 16.Rac1 d5 17.c5 d4 18.Nxd4 exd4 19.Qxd4 Bg7 20.Qb4 Qe7 21.a3 Bxc3 { 1/2-1/2, Hudecek Jan 2260 - Karlik Vladimir 2305 , Czech Republic 1998 Moravian League 1998/99 (1st) } ) ( 10.Re1 Nh7 11.Be3 { 1/2-1/2, Sergejev Roman 2390 - Sepp Olav 2420 , Tallinn 1997 Ch Estonia } ) ( 10.Qc2 Nh7 11.dxe5 dxe5 12.Rd1 Re8 13.Be3 Qe7 14.Na4 Ng5 15.Nxg5 hxg5 16.Qd2 g4 17.h3 Qe6 18.Kh2 gxh3 19.Bxh3 f5 20.f3 Qf7 21.Bg5 Nf8 22.exf5 gxf5 23.Nc3 Qh5 24.f4 exf4 25.Bxf4 Qf3 26.Rf1 Qxc3 27.Bg2 Qb2 28.Qxb2 Bxb2 29.Rad1 Be6 { ...0-1, Kurajica Bojan 2490 - Sepp Olav 2420 , Yerevan 1996 Olympiad } ) 10...Re8 { N } ( 10...Qa5 11.Bb2 a6 12.a3 b5 13.b4 Qd8 14.dxe5 dxe5 15.c5 Qe7 16.Qc2 Nh7 17.Rad1 Ng5 18.Nxg5 Qxg5 19.Rd6 Nb8 20.Ne2 Ra7 21.f4 exf4 22.gxf4 Qh4 23.Bxg7 Kxg7 24.f5 gxf5 25.exf5 f6 26.Rf4 Qe1+ 27.Rf1 Qh4 28.Qd2 Kh7 29.Rf4 Qg5 30.Qd4 { ...1-0, Modr Bretislav 2315 - Peussner Jochen, Dortmund 1990 It (open) } ) 11.Be3 ( 11.Rb1 a6 12.Re1 b5 13.d5 cxd5 14.cxd5 Bb7 15.b4 Rc8 16.Qb3 Nb6 17.a4 Qc7 18.Bd2 bxa4 19.Nxa4 Nxe4 20.Nxb6 Nxd2 21.Nxd2 Qxb6 22.Nc4 Qc7 23.Na5 f5 24.Bf1 Kh7 25.Rec1 Qf7 26.Nxb7 Qxb7 27.Rc6 Rxc6 28.dxc6 Qb6 29.Qc4 Rc8 30.Rc1 Rc7 { ...1/2-1/2, Smejkal Jan 2565 - Lechtynsky Jiri 2450 , Trencianske Teplice 1985 Ch Czechoslovakia } ) 11...exd4 { N } ( 11...b5 12.dxe5 dxe5 13.cxb5 cxb5 14.Ne1 Bb7 15.Nd3 Qe7 16.b4 Rac8 17.Nc5 Nxc5 18.Bxc5 Qe6 19.Rc1 Nd7 20.Be3 Nb6 21.Bxb6 Qxb6 22.Nd5 Qd6 23.Qb3 Rxc1 24.Rxc1 Rc8 25.Rxc8+ Bxc8 26.Qe3 { 1/2-1/2, Khasin Abram 2400 - Shpilker Boris 2345 , Norilsk 1987 Ch URS (qual) } ) ( 11...Kh7 12.Re1 a6 13.Qc2 Qe7 14.Rad1 Nf8 15.dxe5 dxe5 16.c5 N6d7 17.Na4 Ne6 18.Rd2 Rg8 19.Red1 Rb8 20.Rd6 Nc7 21.Qd3 Nf6 22.Nb6 Nb5 23.Rd8 Nd4 24.Rxg8 Nxf3+ 25.Bxf3 Nxg8 26.Bg4 Bxg4 27.hxg4 Nf6 28.f3 Qe6 29.Kg2 Kg8 30.Qc3 Bf8 31.Rd3 { ...1-0, Panzalovic Srdjan 2390 - Vatter Hans-Joachim 2307 , Baden 1994 Ch Baden } ) 12.Nxd4 Nc5 { } 13.Qc2 Qb6 14.Rab1 a5 15.a3 Qc7 16.b4 axb4 17.axb4 Ne6 18.Nde2 Ng5 19.g4 Qe7 20.Ng3 Ra3 21.Rb3 Rxb3 22.Qxb3 Ngh7 23.c5 { ?! } ( 23.Ra1 { !? } 23...Nf8 24.Ra7 N6d7 25.f4 { } ) 23...Nf8 24.Qc2 Ne6 25.cxd6 Qxd6 26.b5 Nd7 27.bxc6 bxc6 28.Rd1 Qc7 29.Qd2 Kh7 30.Nge2 Ne5 31.Qa2 Ng5 { ? } ( { ? } 31...g5 32.Rb1 Qd6 33.Rd1 Qf8 { } ) 32.Nd4 { ? } ( { ? } 32.f4 Be6 33.Qa7 Qxa7 34.Bxa7 { } ) 32...Rd8 33.Nde2 { ? } ( { ? } 33.Qa4 c5 34.Bxg5 hxg5 35.Ndb5 { } ) 33...Rxd1+ { ! } ( 33...Ngf3+ { ? } 34.Kf1 Nh2+ 35.Kg1 Nef3+ { } ) 34.Nxd1 Nef3+ 35.Bxf3 Nxf3+ 36.Kg2 Qh2+ 37.Kxf3 Qxh3+ 38.Ng3 Bxg4+ 39.Kf4 g5# { } 0-1