[Event "It (open)"] [Site "masterchessopen.com – Bad Wiessee (Germany)"] [Round "6"] [White "Bischoff Klaus (GER)"] [Black "Gawehns Klaus (GER)"] [Result "1-0"] [WhiteElo "2559"] [BlackElo "2390"] [ECO "E00"] [Opening "Catalan: 4.Nf3 Be7"] { Bischoff Klaus (GER) +1 =0 -0 } 1.d4 { 1 } 1...Nf6 2.c4 e6 3.g3 d5 4.Nf3 Be7 5.Bg2 O-O 6.O-O Nbd7 7.Nbd2 b6 8.b3 ( 8.cxd5 exd5 9.b3 Bd6 10.Nh4 Re8 11.Nc4 Bf8 12.Bb2 Ba6 13.Ne5 Bb7 14.Rc1 Nxe5 15.dxe5 Ng4 16.Nf3 f6 17.exf6 Nxf6 18.Bxf6 gxf6 19.Nh4 Qd6 20.e3 Rad8 21.Qg4+ Kh8 22.Qh5 Kg8 23.Rfd1 Re5 24.Qg4+ Kh8 25.f4 Ree8 26.Qh5 c5 27.e4 d4 { ...1-0, Bischoff Klaus 2495 - Andruet Gilles 2410 , Dortmund 1986 It (open) } ) 8...Bb7 9.Bb2 c5 { = } 10.e3 Rc8 11.Qe2 { } 11...Re8 { N } ( 11...Rc7 12.cxd5 ( 12.Rfd1 Qa8 13.Ne5 cxd4 14.exd4 dxc4 15.Bxb7 Qxb7 16.Ndxc4 Nd5 17.Rac1 N7f6 18.a4 Rfc8 19.Qf1 Qa6 20.Nxf7 Rf8 21.Nfe5 Ne4 22.f4 b5 23.Na3 Ne3 24.Qxb5 Qxb5 25.Nxb5 Nxd1 26.Rxc7 Bd8 27.Rc2 Nxb2 28.Rxb2 a6 29.Na7 Bb6 30.Nac6 g5 31.Nd7 { ...1-0, Topalidis K 2222 - Halkias Alexis, Greece 2001 Ch Greece (juniors) (under 20) } ) 12...Nxd5 13.Rfc1 Qa8 14.e4 N5f6 15.Ne1 Rfc8 16.dxc5 Nxc5 17.Be5 Rd7 18.f3 Ba6 19.Nc4 Rcd8 20.Bf1 Ncxe4 21.fxe4 Bc5+ 22.Kh1 Nxe4 23.Bg2 Bb7 24.h3 f6 25.Kh2 fxe5 26.Qg4 Re7 27.Rc2 Rf8 28.Nd3 Bd4 29.Re1 Nf2 30.Nxf2 Bxg2 31.Ne4 { ...1/2-1/2, Foisor Ovidiu 2404 - Rausis Igors 2551 , Porto San Giorgio 2000 It (open) } ) ( 11...Qc7 12.Rac1 Qb8 13.cxd5 Bxd5 ( 13...Nxd5 14.e4 N5f6 15.e5 Nd5 16.Ne4 b5 17.Nd6 Bxd6 18.exd6 Qxd6 19.dxc5 Nxc5 20.Ne5 f6 21.Nf3 Ba6 22.Nd2 Nb6 23.Ne4 Nxe4 24.Bxe4 Nd5 25.Rxc8 Rxc8 26.Rd1 b4 27.Qh5 f5 28.Bf3 Qe7 29.Re1 Qf7 30.Qg5 Bb7 31.Rxe6 { ...1-0, Tosic Miroslav 2525 - Lobzhanidze Davit 2455 , Panormo 1998 Zt } ) 14.e4 Bb7 15.e5 Nd5 16.Nc4 b5 17.Nd6 Bxd6 18.exd6 Qxd6 19.dxc5 Nxc5 20.Ng5 h6 21.Ne4 Nxe4 22.Bxe4 Qd7 23.Rcd1 f5 24.Bg2 a6 25.Rfe1 Rfe8 26.Qe5 Qf7 27.Rc1 Rcd8 28.a3 Rd7 29.Rc5 Qf6 30.Rxd5 { 1/2-1/2, Keene Raymond D 2465 - Byrne Robert E 2510 , Hastings 1971 It } ) ( 11...dxc4 12.Nxc4 b5 13.Nce5 Qb6 14.dxc5 Nxc5 15.Nd4 Bxg2 16.Kxg2 a6 17.Rac1 Bd6 18.Ndf3 Qb7 { 1/2-1/2, Sikiric Kemal 2005 - Becker Marcel 2150 , Hiddenhausen 1996 Ch NRW (juniors) (under 20) } ) ( 11...cxd4 12.exd4 Bd6 13.Ne5 Qe7 14.Rfc1 Ba3 15.Nf1 Bxb2 16.Qxb2 Nxe5 17.dxe5 Ne4 18.Qd4 Qb4 19.Qe3 Qa3 20.Rc2 Rfd8 21.Rd1 Qc5 22.Qxc5 Nxc5 23.Rcd2 Kf8 24.Ne3 d4 25.Rxd4 Rxd4 26.Rxd4 Ke7 27.Bxb7 Nxb7 28.f4 Na5 29.Kf2 Nc6 30.Rd2 Nb4 31.Ke2 { ...1-0, Barcza Gedeon 2490 - Robatsch Karl 2460 , Ljubljana 1969 It } ) 12.Rfd1 Bd6 13.Rac1 Qe7 14.cxd5 exd5 15.Nh4 Qe6 16.Qf1 Ng4 17.Ndf3 Be7 { ?! } ( 17...h6 { !? } 18.dxc5 bxc5 19.Ne1 Ndf6 { } ) 18.dxc5 bxc5 19.Qd3 Nh6 20.Nd2 { ?! } ( 20.Ne1 { !? } 20...Bxh4 21.gxh4 Nf6 22.Nf3 { } ) 20...Bxh4 21.gxh4 Qg4 22.e4 d4 23.Qg3 f5 { ?! } ( 23...Ne5 { !? } 24.Ba3 Qh5 25.f4 Nd7 { } ) 24.Bh3 { ? } ( 24.Nc4 { !? } 24...Qxg3 25.hxg3 Nf7 26.exf5 { } ) 24...Qe2 { } ( 24...Qh5 { !? } 25.exf5 Qf7 26.f6 Rc6 { } ) 25.b4 Rc6 26.exf5 Rf8 { ? } ( 26...Rb6 { !? } 27.Ba3 Rf6 28.bxc5 Bd5 { } ) 27.bxc5 Nf6 28.Bxd4 Bc8 29.Qg5 Nf7 { ?! } ( 29...Rd8 { !? } 30.Nf1 Nf7 31.Qg3 Qe7 { } ) 30.Qg2 Bb7 31.Bxf6 { } {#r} 1-0