[Event "Ch World (juniors) (under 20)"] [Site "Nakhichevan (Azerbaijan)"] [Round "7"] [White "Mabusela Johanne Mayedi (RSA)"] [Black "Erenburg Sergey (ISR)"] [Result "0-1"] [WhiteElo "2273"] [BlackElo "2537"] [ECO "B18"] [Opening "Caro-Kann: Classical"] { Erenburg Sergey (ISR) +0 =1 -2 } 1.e4 { 1 } 1...c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.f4 e6 8.h5 Bh7 9.Nf3 Nf6 ( 9...Nd7 10.Bd3 Bxd3 11.Qxd3 Ngf6 12.Bd2 Qc7 13.O-O-O c5 14.Qe2 Bd6 15.Ne4 Bxf4 16.Nxf6+ Nxf6 17.Qb5+ Ke7 18.Bxf4 Qxf4+ 19.Kb1 Qc7 20.dxc5 Rhd8 21.Nd4 Rac8 22.Nb3 Rxd1+ 23.Rxd1 b6 24.Rd4 bxc5 25.Rc4 Nd7 26.Nxc5 a6 27.Qxa6 Nxc5 28.Qa3 Qd6 29.b4 { ...0-1, Wehmeier Stefan 2390 - Dautov Rustem 2606 , Lippstadt 2000 It (cat.11) } ) 10.Bd3 Bxd3 11.Qxd3 Nbd7 ( 11...Qc7 12.Bd2 Nbd7 13.O-O-O Bd6 14.Ne5 c5 15.Rhe1 O-O 16.Kb1 Rad8 17.Bc1 Nxe5 18.dxe5 Bxe5 19.Qf3 Bd6 20.Ne4 Nxe4 21.Rxe4 Rfe8 22.g4 Bf8 23.Rde1 Qc6 24.Qf1 Rd4 25.R4e2 Red8 26.g5 R4d5 27.g6 Rxh5 28.gxf7+ Kxf7 29.Rxe6 Qd7 30.f5 Kg8 31.f6 { ...0-1, Nina Miguel 2310 - Belli Mario 2393 , Peru 2000 Ch Peru } ) ( 11...c5 12.Bd2 Nc6 13.Ne2 Qb6 14.f5 Nxd4 15.Nfxd4 cxd4 16.fxe6 Qxe6 17.Qxd4 Be7 18.Qa4+ Nd7 19.Rh3 O-O 20.Re3 Qd6 21.O-O-O Nb6 { 1/2-1/2, Kahn Anna 2165 - Belakovskaia Anjelina 2345 , Modesto 1995 Ch USA (w) } ) 12.Bd2 { ?/= } 12...Bd6 ( 12...Qc7 13.O-O-O c5 14.Qe2 Bd6 15.Ne4 Bxf4 16.Nxf6+ Nxf6 17.Qb5+ Ke7 18.Bxf4 Qxf4+ 19.Kb1 Qc7 20.dxc5 Rhd8 21.Nd4 Rac8 22.Nb3 Rxd1+ 23.Rxd1 b6 24.Rd4 bxc5 25.Rc4 Nd7 26.Nxc5 a6 27.Qxa6 Nxc5 28.Qa3 Qd6 29.b4 Rb8 30.Qa7+ Nd7 31.a3 Qb6 32.Qa4 { ...0-1, Wehmeier Stefan 2390 - Dautov Rustem 2606 , Lippstadt 2000 It (cat.11) } ) ( 12...c5 13.O-O-O Qc7 14.dxc5 Bxc5 15.Ne4 O-O-O 16.Nxf6 Nxf6 17.Qe2 Ng4 18.Rhf1 Rd5 19.Ne5 Nxe5 20.fxe5 Bd4 21.Be3 Bxe3+ 22.Qxe3 Rxe5 23.Qxa7 Ra5 24.Qd4 f5 25.a3 Kb8 26.Qd6 Re8 27.Rfe1 Ra6 28.Qxc7+ Kxc7 29.Re5 g6 30.Rde1 Kd7 31.hxg6 Rg8 32.Rb5 { ...1/2-1/2, Kaminski Marcin 2530 - Almasi Zoltan 2650 , Krynica 1998 Zt } ) 13.Ne5 ( 13.O-O-O Qc7 14.Ne5 O-O 15.Ne4 Nxe4 16.Qxe4 Nf6 17.Qe2 c5 18.dxc5 Qxc5 19.Kb1 Rac8 20.c4 Bxe5 21.fxe5 Nh7 22.b3 Rfd8 23.Bc1 a6 24.Qe3 Qc6 25.Qf3 Qc7 26.Qg3 Rxd1 27.Rxd1 Kh8 28.Bf4 Rd8 29.Qf3 Rxd1+ 30.Qxd1 Qb6 31.Qd6 Qg1+ 32.Bc1 Ng5 { ...1-0, Mokry Karel 2495 - Gobet Fernand 2405 , Geneva 1988 It } ) ( 13.Qe2 O-O 14.O-O-O { } ) 13...O-O { N } ( 13...c5 14.O-O-O Qc7 15.Nxd7 Qxd7 16.dxc5 Bxc5 17.Qxd7+ Kxd7 18.f5 Kc6 19.fxe6 fxe6 20.Rhe1 Rhe8 21.Ne4 Be7 22.Nxf6 Bxf6 23.Be3 a6 24.Rd3 Rad8 25.Red1 { 1/2-1/2, Fressinet Laurent 2455 - Hauchard Arnaud 2500 , Meribel 1998 Ch France (play-off) } ) ( 13...Qc7 14.O-O-O Rf8 15.Ne4 O-O-O 16.Nxd6+ Qxd6 17.Kb1 Qc7 { 1/2-1/2, Perelshteyn Eugene 2432 - Kacheishvili Giorgi 2583 , Bad Wiessee 2001 It (open) } ) ( 13...Bxe5 14.fxe5 Nd5 15.Ne4 O-O 16.O-O-O b6 17.g4 c5 18.g5 hxg5 19.Nxg5 { 1-0, Malar Pavol 2045 - Lehocky Viktor 2150 , Hlohovec 1996 It (open) } ) 14.Ne4 Nxe4 15.Qxe4 f5 { ?! } ( 15...Nf6 { !? } 16.Qd3 Bc7 17.c4 Qd6 { } ) 16.Qf3 Nf6 { ?! } ( 16...Nxe5 { !? } 17.fxe5 Be7 18.c3 Bh4+ { } ) 17.O-O-O Qc7 18.Qb3 ( 18.Rhg1 Rad8 19.Ng6 Rfe8 20.Be1 Rd7 21.Bh4 Ng4 22.Rge1 Qa5 23.Qb3 Kf7 24.Rxe6 Qd5 25.Qxd5 cxd5 26.Rxe8 Kxe8 27.Re1+ Kf7 28.Ne5+ Bxe5 29.dxe5 Ke6 30.Kd2 Rc7 31.Bg3 Rc4 32.c3 Ra4 33.a3 b5 34.Rf1 a5 35.Rf3 Re4 36.Bf2 a4 37.Bg1 Kf7 { ...1-0, Ankerst Mihael 2285 - Ivacic Vladimir 2305 , Bled 1992 It (open) } ) 18...Rfe8 { N } 19.Bb4 Rad8 20.Bxd6 Rxd6 21.g4 fxg4 22.Rhg1 c5 23.Qc4 Rd5 24.Kb1 { ?! } ( 24.dxc5 { !? } 24...Rxc5 25.Qa4 b5 26.Qb3 { } ) 24...Qd6 { ! } ( 24...Nxh5 { ? } 25.dxc5 Nxf4 26.Nxg4 Rxd1+ { } ) 25.Nxg4 Nxg4 26.Rxg4 Rxd4 27.Rxd4 Qxd4 28.Qxd4 cxd4 29.Kc1 Rd8 30.Kd2 Rd5 31.Rh4 Kf7 32.Kd3 Kf6 33.Ke4 Ra5 34.a3 Ra4 35.Rg4 Ra5 36.Rh4 Rd5 37.a4 b5 38.axb5 Rxb5 39.b3 Rb4 40.Rg4 a5 41.Rg6+ Kf7 42.Rg4 a4 43.bxa4 Rxa4 44.Rh4 Kf6 45.Rg4 Rc4 46.Rh4 { ?! } ( 46.Rg6+ { !? } 46...Kf7 47.Rg2 d3+ 48.Kxd3 { } ) 46...Rxc2 47.Kxd4 Kf5 48.Kd3 { ?! } ( 48.Rh1 { !? } 48...Rg2 49.Re1 Rh2 50.Ke3 { } ) 48...Rg2 { } {#R} 0-1