[Event "Tournament (candidates)"] [Site "masterchessopen.com Zurich (Switzerland)"] [Round "0"] [White "Geller Efim P (RUS)"] [Black "Euwe Max (NED)"] [Result "0-1"] [WhiteElo "2455"] [ECO "E41"] [Opening "Nimzo-Indian: 4.e3 c5"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.a3 Bxc3+ 6.bxc3 b6 7.Bd3 Bb7 8.f3 Nc6 9.Ne2 O-O 10.O-O Na5 11.e4 Ne8 12.Ng3 { ! } 12...cxd4 ( 12...g6 { ?! } 13.Bh6 ) 13.cxd4 Rc8 14.f4 ( 14.Qc2 Nxc4 ) ( 14.Qe2 Nb3 ) ( 14.Qa4 Ba6 ) 14...Nxc4 ( 14...f5 { ? } 15.exf5 Qf6 16.Ra2 { ! } ) 15.f5 f6 ( 15...exf5 { !? } 16.Nxf5 Ncd6 17.Ng3 f6 18.e5 { ± } ) 16.Rf4 b5 ( 16...e5 17.Rh4 exd4 18.Qh5 Ne5 ( 18...h6 19.Bxh6 ) 19.Qxh7+ Kf7 { ± } ) 17.Rh4 Qb6 18.e5 Nxe5 19.fxe6 Nxd3 20.Qxd3 ( 20.exd7 { ? } 20...Rxc1 21.Rxc1 Nxc1 22.dxe8=Q Rxe8 23.Qxc1 { ? } ) 20...Qxe6 ( 20...g6 21.Bh6 Ng7 22.Bxg7 Kxg7 23.Nf5+ { ! } 23...gxf5 ( 23...Kh8 24.Ne7 { ! } ) 24.Qxf5 Rh8 25.Rg4+ Kf8 26.Qxf6+ { +?? } ) 21.Qxh7+ Kf7 22.Bh6 ( 22.Qh5+ g6 23.Qxb5 { ? } 23...Rxc1+ { ! } 24.Rxc1 Qe3+ ) 22...Rh8 23.Qxh8 Rc2 24.Rc1 { ? } ( 24.Ne4 Bxe4 ) ( 24.d5 Bxd5 ( 24...Qb6+ 25.Kh1 Qf2 26.Rg1 Bxd5 27.Re4 Bxe4 28.Nxe4 Qh4 29.Nxf6 ( 29.Bxg7 Qxe4 30.Qf8+ Ke6 31.Bh6 d5 { ? } ) ( 29.Nd6+ Nxd6 30.Qxg7+ Ke6 31.Qg8+ Ke5 32.Be3 Nc8 { ! } ) 29...Qxf6 30.Be3 Qf5 31.Bxa7 Ra2 { ? } ) 25.Rd4 ( 25.Rd1 { ! } 25...Rxg2+ 26.Kf1 gxh6 27.Rxh6 { ? } ( 27.Rxd5 { ? } 27...Qxd5 28.Re4 Ng7 29.Kxg2 f5 { ! } ) ( 27.Qxh6 { ! } 27...Ng7 { ? } ) 27...Rxg3 { ! } 28.hxg3 Bc4+ 29.Kg2 Qe2+ 30.Kh3 Qxd1 { ! } 31.Rh7+ Kg6 ) 25...Rxg2+ 26.Kf1 Qh3 { ! } 27.Bxg7 Rg1+ { ! } 28.Kxg1 Qg2# ) 24...Rxg2+ 25.Kf1 Qb3 26.Ke1 Qf3 0-1