[Event "It (open) \"] [Site "masterchessopen.com Moscow (Russia)"] [Date "2005.02.23"] [Round "9"] [White "Berkes Ferenc (HUN)"] [Black "David Alberto (LUX)"] [Result "1-0"] [WhiteElo "2596"] [BlackElo "2595"] [ECO "E20"] [Opening "Nimzo-Indian: 4.f3 d5"] { Berkes Ferenc (HUN) +1 =1 -0 } 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.f3 d5 5.a3 Bxc3+ 6.bxc3 c5 7.cxd5 Nxd5 8.dxc5 Qa5 9.e4 Ne7 { ? } ( 9...Nf6 10.Be3 O-O 11.Qb3 Nfd7 12.Qb4 Qc7 13.Rd1 Nc6 14.Qa4 Nce5 15.Qd4 Nc6 16.Qa4 Nce5 17.Qd4 Nc6 { 1/2-1/2, Timman Jan H 2630 - Karpov Anatoly 2730 , Tilburg 1991 It (cat.17) } ) 10.Be3 O-O 11.Qb3 { ? } 11...Nd7 ( 11...Qc7 12.a4 Nec6 13.f4 Na5 14.Qa3 Nd7 15.Nf3 b6 16.cxb6 axb6 17.Nd2 Ba6 18.Bb5 Nc4 19.Bxc4 Bxc4 20.Qb4 Ba6 21.c4 Nc5 22.O-O Rfd8 23.a5 bxa5 24.Qxc5 Qxc5 25.Bxc5 Rxd2 26.Rxa5 Rdd8 27.Be7 Rdc8 28.Rfa1 Bb7 29.Rxa8 Bxa8 30.e5 h5 31.Bd6 { ...1-0, Milov Vadim 2683 - Nielsen Peter Heine 2440 , Buenos Aires 1993 Ch World (juniors) (under 20) } ) 12.Bb5 Qc7 ( 12...Ne5 13.Rd1 a6 14.Be2 N7c6 15.f4 Nd7 16.Qc4 Qxa3 17.Nf3 Na5 18.Qb4 Qxb4 19.cxb4 Nc6 20.Rb1 Nf6 21.Nd2 Rd8 22.Kf2 e5 23.fxe5 Nxe5 24.h3 Bd7 25.Bf4 Bb5 26.Ke3 Nc6 27.Bd6 Re8 28.Bf3 Nd5+ 29.Kf2 Ndxb4 30.Kg3 Nd3 31.Be2 Ndb4 32.Bg4 { ...0-1, Partos Charles 2385 - Christiansen Larry M 2555 , Switzerland 1996 Ch Switzerland (team) } ) 13.Bxd7 Bxd7 14.Ne2 Nc6 ( 14...e5 15.c4 f5 16.Nc3 fxe4 17.Nxe4 Nf5 18.O-O Bc6 19.Nd6 { 1/2-1/2, Berkes Ferenc 2610 - Aronian Levon 2684 , Moscow 19. 2.2005 It (open) "Aeroflot" } ) 15.c4 { ^00 ^01 ^00 ^00 ^00 ^05 Nc6a5 ^00 ^00 ^00 ^01 ^00 ^05 Nc6a5 ^254 ^00 ^00 ^00 ^128 } ( 15.O-O Na5 16.Qb4 Nc6 17.Qc4 Na5 18.Qb4 e5 19.Rab1 Be6 20.Ng3 Rfd8 21.Rfe1 Rd3 22.Nf5 Bxf5 23.exf5 f6 24.f4 Re8 25.fxe5 Rxe5 26.Bd4 Rxf5 27.Qb5 { 1-0, Tyomkin Dimitri 2497 - Christiansen Larry M 2570 , Internet 2001 Tournament } ) 15...Na5 { +0.15 CAP N ^254 ^00 ^00 ^00 ^04 ! } ( 15...e5 16.Nc3 Rab8 17.Nd5 Qa5+ 18.Kf2 f5 19.exf5 Bxf5 20.Rhd1 Qd8 21.Kg1 Qh4 22.Bf2 Qg5 23.Ra2 Rf7 24.Rb2 Rbf8 25.Qe3 Qg6 26.Bg3 h5 27.Nc3 Bc2 28.Rd6 Qh7 29.h4 Bf5 30.Kh2 Na5 31.Qe2 Nc6 32.Rdd2 g5 33.Nb5 gxh4 34.Bxh4 Rg7 35.Nd6 { ...0-1, Ulibin Mikhail 2556 - Cherniaev Alexander 2509 , Biel 21. 7.2004 It (open) } ) 16.Qb4 Nc6 17.Qc3 Qa5 { ?! } ( 17...e5 { !? } 18.O-O Be6 19.Rfd1 Rfd8 { } ) 18.Rb1 Qxc3+ 19.Nxc3 Na5 20.Ke2 Rfc8 21.Rb4 Be8 22.Rc1 b6 23.Na4 Nb7 24.Rcb1 Kf8 { ?! } ( 24...f5 { !? } 25.cxb6 a5 26.Rb5 Bxb5 { } ) 25.cxb6 a5 26.Rb5 Rxc4 27.Nc5 Bxb5 28.Rxb5 Rc2+ 29.Kd3 Rxc5 30.Bxc5+ Ke8 31.Bd4 f6 32.g4 Rd8 33.e5 Kf7 34.exf6 gxf6 35.Ke3 Rc8 36.f4 Rc4 37.Rh5 Kg6 38.f5+ exf5 39.Rxf5 Rc6 40.Rd5 Nd6 41.Rxd6 { } {#r} 1-0