[Event "It"] [Site "masterchessopen.com Carlsbad (Czech Republic)"] [Round "2"] [White "Gruenfeld Ernst F (AUT)"] [Black "Alekhine Alexander A (RUS)"] [Result "0-1"] [ECO "E10"] [Opening "Neo-Indian: 3.Nf3"] 1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Be7 5.Bg5 Nbd7 6.e3 O-O 7.Rc1 c6 8.Qc2 a6 9.a3 h6 10.Bh4 Re8 11.Bd3 dxc4 12.Bxc4 b5 13.Ba2 c5 14.Rd1 { ?! } ( 14.O-O cxd4 15.exd4 ) 14...cxd4 { ? } 15.Nxd4 Qb6 16.Bb1 Bb7 { ! } 17.O-O ( 17.Ndxb5 Qc6 18.Nd4 Qxg2 { ? } ) 17...Rac8 18.Qd2 Ne5 19.Bxf6 Bxf6 20.Qc2 g6 21.Qe2 Nc4 22.Be4 { ! } 22...Bg7 { ! } ( 22...Nxa3 { ? } 23.Qf3 { ! } 23...Bxe4 24.Nxe4 Bxd4 25.exd4 { ± } ) 23.Bxb7 Qxb7 24.Rc1 e5 { ! } 25.Nb3 e4 26.Nd4 Red8 { ! } 27.Rfd1 Ne5 28.Na2 ( { ? } 28.f3 exf3 29.gxf3 Nc4 ( 29...Rxd4 30.exd4 Nxf3+ ) ) 28...Nd3 29.Rxc8 Qxc8 30.f3 { ? } ( 30.Nc3 { !? } 30...f5 31.f3 Rxd4 { ! } 32.exd4 Bxd4+ 33.Kf1 Nf4 34.Qd2 Qc4+ 35.Ne2 e3 { ! } 36.Qe1 { ? } ( 36.b3 { ! +?? } ) 36...Bxb2 37.Rd8+ Kf7 38.Qd1 Bxa3 { ! } 39.Qd7+ Be7 40.Qe8+ Kf6 41.Qh8+ Kg5 42.h4+ Kh5 43.g4+ fxg4 44.Qe5+ g5 { ! ??+ } ) 30...Rxd4 { ! } 31.fxe4 ( 31.exd4 Bxd4+ 32.Kf1 Nf4 { ! } 33.Qxe4 Qc4+ 34.Ke1 Nxg2+ 35.Kd2 Be3+ { ??+ } ) 31...Nf4 { ! } 32.exf4 Qc4 { ! } 33.Qxc4 Rxd1+ 34.Qf1 {#R} 0-1