[Event "Ch Russia (qual)"] [Site "masterchessopen.com St. Petersburg (Russia)"] [Round "5"] [White "Tregubov Pavel V (RUS)"] [Black "Nepomniachtchi Ian (RUS)"] [Result "1-0"] [WhiteElo "2629"] [BlackElo "2492"] [ECO "E60"] [Opening "King's Indian: 3.g3"] { Tregubov Pavel V (RUS) +5 =3 -1 } 1.d4 { 1 } 1...Nf6 2.c4 g6 3.g3 Bg7 4.Bg2 d5 5.cxd5 Nxd5 6.e4 Nb6 7.Ne2 c5 8.d5 O-O 9.O-O e6 ( 9...e5 10.Nbc3 Nc4 11.b3 Nd6 12.Be3 Na6 13.Rc1 b6 14.Qd2 Qe7 15.Bh6 Bd7 16.Bxg7 Kxg7 17.f4 f6 18.fxe5 fxe5 19.Rxf8 Rxf8 20.Rf1 Rc8 21.Rb1 Nc7 22.a4 Nce8 23.Qe3 Nf7 24.h3 Ned6 25.g4 a6 26.Ng3 b5 27.Kh2 b4 28.Nce2 a5 29.Ng1 { ...0-1, Jokic Miodrag 2195 - Nestorovic Dejan 2401 , Belgrade 28. 1.2004 It (open) } ) 10.Nbc3 Na6 11.Nf4 exd5 ( 11...e5 12.Nd3 c4 13.Ne1 Bd7 14.Be3 Rc8 15.Nf3 Nc5 16.Qe2 Qe7 17.Nd2 f5 18.Nf3 { 1/2-1/2, Nielsen Peter Heine 2638 - Sutovsky Emil 2666 , Malme 2003 It (cat.13) } ) 12.Nfxd5 { = } 12...Be6 { } ( 12...Nxd5 13.Nxd5 Nb4 14.Be3 b6 15.Qd2 Bb7 16.Rfd1 Nxd5 17.exd5 Qd7 18.Rac1 a5 19.b3 Rfe8 20.a4 Qd6 21.Re1 Be5 22.Rcd1 Rad8 23.Bg5 Rc8 24.Bh3 f5 25.Bg2 Bd4 26.Bf4 Qd7 27.Re6 Rxe6 28.dxe6 Qe7 29.Bg5 Qc7 30.Bxb7 Qxb7 31.Qe2 Qd5 32.Bf6 { ...1/2-1/2, Horvath Peter 2100 - Flumbort Andras 2481 , Budapest 2003 It (cat.7) } ) 13.Re1 { N } ( 13.Bf4 Bxd5 ( 13...Re8 14.Rc1 Qd7 15.Qb3 Nb4 16.Rfd1 N4xd5 17.exd5 Bg4 18.Rd2 Rad8 19.Ne4 c4 20.Qa3 Bh3 21.Nc5 Qf5 22.Bxh3 Qxh3 23.Qf3 Qc8 24.Ne4 Qf5 25.Ng5 { 1/2-1/2, Slipak Sergio 2493 - Ricardi Pablo 2538 , Florida 2001 It (cat.9) } ) 14.exd5 c4 ( 14...Qd7 15.d6 c4 16.a4 Rad8 17.a5 Nc8 18.Qd5 Qe6 19.Rfd1 Rd7 20.Ra4 Nc7 21.Qc5 Rfd8 22.Rxc4 Nxd6 23.Rxd6 Rxd6 24.Bxd6 Na6 25.Qd5 Qxd6 26.Qxd6 Rxd6 27.Bxb7 Bf8 28.Kg2 Nb8 29.Ne4 Rd3 30.Rc7 Kg7 31.Bc8 Bb4 32.Be6 Bxa5 { ...1-0, Grabarczyk Miroslaw 2495 - Zezulkin Jurij 2529 , Zakopane 2000 Ch Poland (team) } ) 15.Qd2 Nc5 16.d6 Qd7 17.Rfe1 Rfe8 18.Bf1 Qf5 19.Rxe8+ Rxe8 20.Rd1 Rd8 21.Nd5 Nxd5 22.Qxd5 Qxd5 23.Rxd5 Ne6 24.Bxc4 Nxf4 25.gxf4 Bxb2 26.Rb5 Bd4 27.Rd5 Bc3 28.a3 Bb2 29.a4 Ba3 30.d7 a6 31.a5 Kf8 32.Bb3 Ke7 { ...1/2-1/2, Vaganian Rafael A 2645 - Ye Jiangchuan 2575 , Moscow 1994 Olympiad } ) 13...Re8 14.Bf4 Bxd5 { ?! } ( 14...g5 { !? } 15.Bc1 h6 16.Rb1 Nb4 { } ) 15.exd5 Qd7 16.d6 Nb4 17.Rxe8+ Rxe8 18.Ne4 Qf5 19.Be3 Bd4 { ? } ( { ? } 19...N4d5 20.Bxc5 Bxb2 21.Bxb6 Nxb6 { } ) 20.Bxd4 cxd4 21.Qxd4 Nc2 22.Nf6+ Kh8 23.Qh4 h5 24.Nxe8 Nxa1 25.Qd4+ { } {#r} 1-0