[Event "It \"] [Site "masterchessopen.com - Differdange (Luxembourg)"] [Date "2007.07.14"] [Round "9"] [White "Koneru Humpy (IND)"] [Black "Siebrecht Sebastian (GER)"] [Result "1-0"] [WhiteElo "2606"] [BlackElo "2481"] [ECO "E10"] [Opening "Neo-Indian: Blumenfeld/Benoni"] { Koneru Humpy (IND) +0 =0 -1 } 1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 exd5 5.cxd5 d6 6.Nc3 g6 7.Nd2 Bg7 8.e4 O-O 9.Be2 Re8 10.O-O Na6 11.Kh1 Nc7 12.a4 b6 13.f3 Nd7 14.Nc4 Ne5 15.Ne3 f5 ( 15...Rb8 16.Bd2 a6 17.Rb1 b5 18.axb5 Nxb5 19.Nxb5 axb5 20.b4 c4 21.Qc1 Ra8 22.Bc3 Qb6 23.Qd2 Ra3 24.Rbc1 Nd3 25.Bxg7 Kxg7 26.Rc3 Qd4 27.Rxd3 cxd3 28.Rd1 Ra1 29.Nc2 Rxd1+ 30.Qxd1 Qf2 31.Qxd3 Re5 32.Qe3 Qxe3 33.Nxe3 Bd7 34.Kg1 f5 35.Bd3 { ...0-1, Bukic Enver 2383 - Adorjan Andras 2475 , Vrnjacka Banja 1972 It } ) 16.f4 ( 16.exf5 gxf5 17.f4 Ng6 18.Bd3 Rf8 19.Bd2 Na6 20.Qb1 Qf6 21.Nb5 Qxb2 22.Qxb2 Bxb2 23.Rab1 Bd4 24.Nc2 Bg7 25.Nxd6 Nc7 26.Nxc8 Raxc8 27.d6 Rcd8 28.Bc4+ Kh8 29.dxc7 Rxd2 30.Ne3 Ne7 31.Rbd1 Rd4 32.Bb5 Rc8 33.Nc2 Rxc7 34.Nxd4 Bxd4 35.Bc4 Kg7 { ...1-0, Bagirov Vladimir 2520 - Sorokin B 1981 , Kirovabad 1973 Ch URS (1/2 final) } ) 16...Nf7 17.exf5 gxf5 18.Bd3 { ?/= } 18...Qf6 ( 18...Nh6 19.Ne2 Ba6 20.Ng3 Rxe3 21.Bxe3 Nxd5 22.Bxa6 Nxe3 23.Qb3+ { 1-0, Markus Robert 2579 - Moranda Wojciech 2451 , Warsaw 19. 6.2005 Ch Europe } ) 19.Qc2 ( 19.Rf3 Bd7 20.Bd2 Nh6 21.Qc2 Re7 22.Raf1 Rf8 23.Ncd1 Qf7 24.Rg3 Ne8 25.Nf2 Kh8 26.Nh3 Nf6 27.Ng5 Qg8 28.Bc3 Nxd5 29.Nxd5 Qxd5 30.Bc4 Qc6 31.Bb5 Qb7 32.Rh3 Kg8 33.Bxg7 Kxg7 34.Qc3+ Kg6 35.Rg3 Rg8 36.Ne4+ { 1-0, Hesse Peter 2305 - Espig Thomas 2273 , Erfurt 1973 Ch DDR } ) ( 19.Ne2 Nh6 20.Ng3 Qg6 21.Qc2 Rf8 22.Bd2 Bd7 23.Rae1 Rae8 24.Be2 Re7 25.Bd3 Bd4 26.b4 Bxe3 27.Bxe3 Rfe8 28.bxc5 bxc5 29.Bd2 Rxe1 30.Rxe1 Rxe1+ 31.Bxe1 Nxd5 32.Bc4 Qe6 33.Bc3 Bc6 34.Qb3 Kf7 35.Qb8 Ng8 36.h3 Nge7 37.Qh8 Qh6 38.Ne2 Bxa4 { ...0-1, Najdorf Miguel 2445 - Fischer Robert J 2780 , Habana 1966 Olympiad } ) 19...Nh6 20.Bd2 Bd7 21.Rf3 Re7 ( 21...Kh8 22.Raf1 Re7 23.Rh3 Qf7 24.Nc4 Qg6 25.Rg3 Ng4 26.h3 h5 27.Ne3 Nxe3 28.Rxg6 Nxc2 29.Bxc2 Ne8 30.Rg5 Nf6 31.Bxf5 Bxf5 32.Rxf5 Rae8 33.Kh2 Kh7 34.Kg3 a6 35.Kh4 Kg6 36.g4 hxg4 37.hxg4 b5 38.axb5 axb5 39.Rg5+ Kf7 40.Nxb5 Rh8+ 41.Rh5 { ...1/2-1/2, Kramnik Vladimir 2809 - Topalov Veselin 2733 , Monaco 2001 It "Melody Amber" (active) } ) 22.Rg3 { +0.60 CAP } ( 22.Raf1 Rae8 23.Ncd1 Kh8 24.Bc3 Qf8 25.Rg3 Bf6 26.b3 Rg7 27.Qb2 Bxc3 28.Qxc3 Kg8 29.Rg5 Re7 30.Rf3 Rf7 31.Rfg3 Rxg5 32.Rxg5+ Rg7 { 1/2-1/2, Ogaard Leif 2435 - Bouaziz Slim 2365 , Nice 1974 Olympiad } ) 22...Rae8 23.Nb5 { N } ( 23.Rf1 a6 24.Ncd1 b5 25.Bc3 Qf8 26.b3 Bc8 27.Rg5 Kh8 28.Bxf5 Nxd5 29.Nxd5 Bxf5 30.Qb2 b4 31.Bxg7+ Rxg7 32.Nf6 Re6 33.Nh5 Bg6 34.Nxg7 Qxg7 35.Qd2 Nf5 36.Qd5 Qf6 37.Qa8+ Re8 38.Qxa6 h6 39.Rxg6 Qxg6 40.Qb7 Qg4 41.Rg1 Rg8 42.Qe4 Nd4 { ...1/2-1/2, Popov Luben 2460 - Cosulich Roberto 2380 , Reggio Emilia 1971 It } ) 23...Nxb5 24.axb5 Ng4 25.Nxg4 fxg4 26.Bxh7+ Kh8 27.Bg6 Rf8 28.Bd3 Qd4 29.Rf1 Qxd5 30.f5 Ref7 { ? } ( 30...c4 31.Bxc4 Rxf5 32.Bf4 Qe4 33.Qc1 Rc5 34.b3 Rf7 { } ) 31.Rxg4 Bxf5 32.Rh4+ Kg8 33.Bc4 Be4 34.Bxd5 { } {#r} 1-0