[Event "It (cat.11)"] [Site "masterchessopen.com Tallinn (Estonia)"] [Round "0"] [White "Knaak Rainer (GER)"] [Black "Bronstein David I (RUS)"] [Result "1-0"] [WhiteElo "2565"] [BlackElo "2555"] [ECO "E40"] [Opening "Nimzo-Indian: Rubinstein"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 b6 5.Ne2 Ba6 6.Ng3 h5 { !? } 7.h4 Bb7 8.Qd3 d5 9.cxd5 exd5 ( { ? } 9...Ba6 10.Qc2 Bxc3+ 11.bxc3 Bxf1 12.Kxf1 exd5 ) 10.Qc2 c5 11.a3 cxd4 12.axb4 dxc3 13.bxc3 Nbd7 14.Nf5 O-O 15.Bb2 Ne5 16.c4 Re8 { ?! } ( { ? } 16...dxc4 17.Bxe5 Be4 18.Nh6+ gxh6 19.Qxc4 Rc8 20.Qd4 Qxd4 21.Bxd4 ) 17.c5 { ! } 17...bxc5 18.bxc5 d4 19.Nd6 { ! } 19...dxe3 { ! } 20.f4 { ! P } ( 20.Nxb7 { ? } 20...exf2+ 21.Kxf2 ( 21.Qxf2 Nf3# ) 21...Neg4+ 22.Kg1 Qe7 { ! ??+ } ) ( 20.Nxe8 Qxe8 { ? } ) 20...Neg4 21.Bc4 ( 21.Nxb7 { ? } 21...Qd5 22.Nd6 e2 { ! } 23.Bxe2 Qxg2 24.O-O-O Rxe2 { ??+ } ) 21...Re7 22.Qg6 Be4 23.Qg5 e2 { ? } ( 23...Rb8 { !? } ) 24.Rh3 { ! +?? } 24...Rb8 25.Bc3 Bc2 26.Rg3 Kf8 ( 26...Re3 27.Bxf7+ Kf8 28.Rxe3 Nxe3 29.Kxe2 Qe7 30.Qe5 { +?? } ) 27.Rxg4 hxg4 28.h5 Re3 29.h6 g6 30.Qxf6 ( 30.Bxf6 { ?? } 30...Qa5+ { ??+ } ) 30...Qxf6 31.Bxf6 Kg8 32.Nxf7 Bb3 33.Ng5+ Bxc4 34.h7+ 1-0