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Nadya Kosintseva, playing second board for Russia, had the best performance rating of any player in Ningbo.
Nadezhda Kosintseva Photo: ChessBase.com
Zhao Xue (China) - Nadezhda Kosintseva (Russia) 2nd Women's World Team Championship, Round 5 Ningbo, 6 September 2009
Petit Orthodox Queen's Gambit: Ragozin Defense1.d4 Nf6 2.c4 e6 3.Nf3 d5 4.Nc3 Bb4 5.cxd5- If 5.Bg5 then:
- If 5...h6 6.Bxf6 Qxf6 7.e3 0-0 8.Rc1 dxc4 9.Bxc4 c5 10.0-0 cxd4 11.exd4 then:
- If 11...Nc6 12.Ne4 then:
- If 12...Qf4 13.Qe2 Rd8 14.g3 Qg4 15.Rfd1 Bd7 16.a3 then:
- 16...Be7 17.Qe3 Be8 18.b4 a6 19.Be2 Qh3 20.Nc5 Bxc5 21.dxc5 gives White the advantage in space (Gelfand-Piket, FIDE Knock Out, New Dehli, 2000).
- 16...Bf8 17.Qe3 Be8 18.b4 Qh5 19.Be2 Qf5 20.Nh4 Qh7 21.Nc5 g5 22.Nf3 Rab8 23.Bc4 Qg7 24.d5 exd5 25.Bxd5 Ne7 gives White excellent winning chances (Magai-Mitkov, Ol, Istanbul, 2000).
- 12...Qd8 13.a3 Ba5 14.Qd3 Bb6 15.Rfd1 Qe7 16.Bb5 Bd7 17.Nc5 Be8 18.Qc3 gives White the advantage in space (Topalov-J. Polgar, IT, Madrid, 1997).
- 11...Rd8 12.Ne4 Qe7 13.Qe2 Nc6 14.Rfd1 Ba5 15.Bb5 Bd7 16.Ne5 Rac8 17.Bxc6 Bxc6 18.Nxc6 Rxc6 19.Rxc6 bxc6 is equal (Cebalo-Dizdar, Croatian Ch, Vukovar, 2005).
- 5...dxc4 6.e4 c5 then:
- If 7.Bxc4 cxd4 8.Nxd4 Bxc3+ 9.bxc3 Qa5 10.Bb5+ then:
- If 10...Nbd7 11.Bxf6 Qxc3+ 12.Kf1 gxf6 13.h4 a6 14.Rh3 then:
- If 14...Qa5 15.Be2 then:
- If 15...Nc5 16.Nb3 Nxb3 17.Qxb3 b6 then:
- 18.Rb1 Bb7 19.Re3 Rc8 20.Kg1 b5 21.a4 Bc6 22.Rc3 0-0 23.Qb2 Bxe4 24.Rg3+ Bg6 25.h5 wins the Bishop (Nielsen-Sargissian, Euro Ch, Istanbul, 2003).
- 18.Rd1 Bb7 19.Qb2 Qe5 20.Qxb6 Bxe4 21.Rg3 f5 22.Kg1 h6 23.Qb4 f4 24.Rg4 Rb8 is equal (Topalov-van Wely, Corus A, Wijk aan Zee, 2001).
- 15...Ne5 16.Qb3 b5 17.Rd1 Bd7 18.f4 Nc4 19.Bxc4 bxc4 20.Qb7 Rd8 21.Nc6 Bxc6 22.Qxc6+ Ke7 23.Qb7+ Ke8 24.Qc6+ Ke7 25.Qb7+ Ke8 26.Rxd8+ Qxd8 27.Qc6+ Ke7 28.Qc5+ draw (Greenfeld-Gyimesi, IT, Tel Aviv, 2001).
- 14...Qb4 15.Be2 Ne5 16.h5 Qd6 17.Kg1 Bd7 18.Rb1 Rd8 19.Rc3 b5 20.Rbc1 b4 21.Rg3 Ke7 22.f4 Be8 23.fxe5 fxe5 24.Qe1 exd4 25.Bd3 gives Black excellent winning chances (Shulman-Naiditsch, IT, Montreal, 2009).
- If 10...Bd7 11.Bxf6 gxf6 then:
- 12.Bxd7+ Nxd7 13.0-0 a6 14.Rb1 Qc7 15.Qh5 Nc5 16.Rb4 Qe5 17.Qh4 Qg5 18.Qh3 Qe5 19.Qh4 Qg5 20.Qh3 Qe5 21.Re1 Rd8 22.Qe3 Rg8 is equal (Gelfand-Jakovenko, Tal Mem, Moscow, 2007).
- 12.Qb3 a6 13.Be2 Nc6 14.0-0 Qc7 15.Qa3 Rc8 16.Rad1 Na5 17.Qc1 Ke7 18.Qh6 Bc6 19.Nxe6!! Qe5 20.Nd4 Rcg8 21.f4 Qc5 22.Kh1 Rg6 23.Qh3 Bxe4 24.Bf3 Bxf3 25.Rxf3 Qc7 26.Nf5+ Kf8 27.Rfd3 Nc6 28.Rd7 Black resigns (Piket-Topalov, FIDE Knock Out, Groningen, 1997).
- If 7.e5 cxd4 then:
- If 8.Nxd4 Qa5 9.exf6 Bxc3+ 10.bxc3 Qxg5 11.fxg7 then:
- If 11...Qxg7 12.Qd2 0-0 13.Bxc4 Rd8 then:
- 14.Qe3 Bd7 15.0-0 Nc6 16.Nf3 Ne7 17.Ne5 Ng6 18.f4 Nxe5 19.fxe5 Bc6 20.g3 Rd7 21.Rf6 Rad8 22.Be2 Rd2 23.Rf4 Kh8 24.Rd4 is equal (Onischuk-Jakovenko, IT, Foros, 2007).
- 14.Qb2 Qe5+ 15.Be2 Nc6 16.Nc2 Rd3 17.Na3 Qxc3+ 18.Qxc3 Rxc3 19.Nb5 Rc2 20.Rd1 Rxa2 21.Bf3 Ra5 22.Nc7 Re5+ 23.Kf1 Rb8 24.h4 Kf8 gives Black two extra pawns (Halkias-Gyimesi, Rueo ChT, Crete, 2008).
- 11...Rg8 12.g3 Qd5 13.Rg1 Rxg7 14.Qe2 Nd7 15.Qxc4 Qxc4 16.Bxc4 Nb6 17.Bb5+ Bd7 18.Bxd7+ Kxd7 19.0-0-0 Ke7 20.f4 Rc8 is equal (Browne-Su. Polgar, Op, Reykjavik, 1988).
- 8.Qa4+ Nc6 9.0-0-0 Bd7 10.Ne4 Be7 11.exf6 gxf6 12.Bh4 Rc8 13.Kb1 Na5 14.Qc2 e5 15.Nxd4 exd4 16.Rxd4 Qb6 17.Rxd7 Kxd7 18.Be2 Ke8 19.Qc3 Rc6 20.Rd1 Rg8 21.Bf3 Re6 gives Black the initiative (Kamsky-van Wely, Euro ChT, Antalya, 2007).
- 5.e3 establishes the Nimzo-Indian Defense.
5...exd5 6.Bg5 Nbd7 7.Rc1- If 7.e3 c5 8.Bd3 Qa5 9.Qc2 c4 10.Bf5 0-0 11.0-0 Re8 12.Nd2 g6 then:
- If 13.Bxd7 Nxd7 then:
- 14.Rae1 Nb6 15.f3 Bxc3 16.bxc3 Na4 17.Rc1 f6 18.Bh6 b5 is equal (Romanko-Zdebskaja, World ChTW Rd 1, Ningbo, 2009).
- 14.h4 f6 15.Bf4 Bxc3 16.bxc3 Nb6 17.f3 Qa4 18.Qb2 Bf5 19.Rfe1 Qc6 20.Qa3 Bd3 21.Qxa7 draw (Aleksandrov-Malakhatko, Op, Kolkata, 2009).
- If 13.Bh3 then:
- If 13...Bxc3 then:
- 14.Qxc3 Qxc3 15.bxc3 Ne4 16.Nxe4 dxe4 17.Rfb1 Nb6 18.Bxc8 Raxc8 19.a4 Nd5 20.Rxb7 Nxc3 21.a5 a6 22.Kf1 Nd5 23.Ke1 c3 24.Kd1 c2+ 25.Kd2 Rc3 is equal (Seirawan-Sosonko, IT, Wijk aan Zee, 1986).
- If 14.bxc3 Ne4 15.Nxe4 dxe4 16.Bxd7 Bxd7 17.Bf4 Re6 then:
- 18.d5 Ba4 19.Qd2 Rd8 20.d6 Qc5 is equal (Grivas-Hector, EU CHT, Haifa, 1989).
- 18.Rfb1 Qd5 19.a4 a5 20.Qb2 Bc6 is equal (Pinter-Sosonko, IT, Heninge, 1988).
- 13...Kg7 14.Rae1 Ne4 15.Ndxe4 dxe4 16.Bf4 f5 17.f3 Nf6 18.a3 Bxc3 19.bxc3 h5 20.Qf2 Bd7 21.Qg3 is equal (Grischuk-Morozevich, FIDE World Ch Trmt, San Luis, 2007).
7...c6 8.a3 Bxc3+- If 8...Bd6 9.e3 0-0 10.Bd3 Re8 11.0-0 Nf8 12.Re1 Bg4 then:
- 13.h3 Bh5 14.Bh4 Bg6 15.b4 a5 16.Rb1 axb4 17.axb4 Ra3 18.Bxg6 Nxg6 19.Bxf6 Qxf6 20.Qc1 Rea8 is equal (V. Popov-S. Atalik, Euro Ch, Plovdiv, 2008).
- 13.Bh4 Ng6 14.Bg3 Ne4 15.Bxd6 Nxd6 16.h3 Bxf3 17.Qxf3 is equal (Evdokimov-Aleksandrov, Aeroflot Op, Moscow, 2008).
9.Rxc3 0-0 10.e3 h6- 10...Qe8 11.Bf4 Ne4 12.Rc1 Nb6 13.Be2 f6 14.0-0 Bg4 15.h3 Bh5 16.Ne1 Bxe2 17.Qxe2 Qe7 18.Nd3 Rae8 19.Nc5 draw (Gormally-Conquest, British Ch, Liverpool, 2008).
11.Bh4 g5 12.Bg3 Ne4 13.Rc2!?- 13.Rc1 Ndf6 14.Bd3 Bf5 15.0-0 Qe7 16.Be5 Nd7 17.Bg3 f6 18.Bb1 Nb6 19.Nd2 is equal (Huang Qian-N. Kosintseva, TMatch (Blitz Game), Sochi, 2009).
13...Ndf614.Bd3 Bf5- 14...Bg4 15.b4 Qe7 16.Qc1 a5 17.b5 cxb5 18.Bxb5 remains equal.
15.Ne5 Kg7!?- Black wants White to commit himself first.
- If 15...Qe7 16.Rc1 Rfe8 17.Qe2 then:
- 17...Kg7 18.Qf3 Nxg3 19.hxg3 Bxd3 20.Nxd3 remains equal.
- 17...c5 18.Qd1 Nxg3 19.hxg3 Bxd3 20.Qxd3 remains equal.
16.f3!- White goes after Black's strongest piece.
16...Nxg3 17.hxg3 Bxd3 18.Qxd3!?- The game remains equal.
- 18.Nxd3 Re8 19.Ne5 Nd7 20.Ng4 gives White a small edge in space.
18...Qe7 19.Kf2 Nd7 20.Ng4 Rh8 21.e4!?- The coming pawn exchange invited by this move creates several pawn weaknesses for White.
- 21.b4 Rae8 22.Rc3 h5 23.Nh2 then:
- 23...Nb6 24.Nf1 Nc4 25.Nd2 Nxd2 26.Qxd2 remains equal.
- 23...a6 24.Nf1 Qe6 25.Nd2 Qg6 26.Qxg6+ Kxg6 remains equal.
21...dxe4 22.fxe4 Nf6 23.Nxf6 Qxf6+ 24.Ke3- As a result of the pawn exchange on move 21, White has hanging pawns in the center and isolated doubled pawns on the kingside.
BLACK: Nadezhda Kosintseva !""""""""# $t+ + + T% $Oo+ +oL % $ +o+ + O% $+ + + O % $ + Pp+ +% $P +qK P % $ Pr+ +p+% $+ + + +r% /(((((((() WHITE: Zhao Xue Position after 24.Kf2e3 24...Rhe8!- Hanging pawns can have advantages, too. Black does well to attak immediately.
25.Rf2- White alleviates the threat to her e-pawn by threatening Black's f-pawn.
25...Qe6 26.Rhf1 Re7 27.Kd2- White cannot keep pressure on the f-file and protect her e-pawn at the ame time.
- 27.b3 Rae8 28.Kd2 then:
- 28...Qd6 29.b4 Rd8 30.Ke3 Qxg3+ wins a pawn.
- 28...Qxe4!? 29.Qxe4 Rxe4 30.Rxf7+ is equal.
BLACK: Nadezhda Kosintseva !""""""""# $t+ + + +% $Oo+ ToL % $ +o+w+ O% $+ + + O % $ + Pp+ +% $P +q+ P % $ P K Rp+% $+ + +r+ % /(((((((() WHITE: Zhao Xue Position after 27.Ke3d2 27...Rf8!- By fortifying the f-pawn, Black renews her threat against White'e e-pawn.
- 27...Qxe4!? 28.Qxe4 Rxe4 29.Rxf7+! Kg6 30.R1f6+ Kh5 31.Kd3 is equal.
28.Re2 Rd8 29.Rf5?- White would get more milage out of rewing the threat to the f-pawn.
- 29.Ref2 Kg8 30.Kc3 Rdd7 31.Re1 c5 32.d5 Rxd5 is no worse than before.
29...Red7!- Black shifts her sites to the d-pawn.
30.Kc3BLACK: Nadezhda Kosintseva !""""""""# $ + T + +% $Oo+t+oL % $ +o+w+ O% $+ + +rO % $ + Pp+ +% $P Kq+ P % $ P +r+p+% $+ + + + % /(((((((() WHITE: Zhao Xue Position after 30.Kd2c3 30...Rxd4!- Black picks up the Queen and a pawn for her Rooks, leaving White's King in no-man's land.
31.Qxd4+ Rxd4 32.Kxd4 Qd6+!- Black take another pawn in the bargain.
33.Kc3 Qxg3+ 34.Kc2 Qg4 35.Kd2 f6 36.Rf3 Qe6 37.Ke1 h5- In addition to Black's overall material advantage, she also has a 3:1 pawn majority on the kingside.
38.Rf5 h4 39.Kf1 Kg6 40.Rf3 Qc4 41.Rfe3- 41.Rc3 Qd4 42.Rcc2 Qe5 43.Rcd2 a5 44.Rd8 a4
41...Qc1+ 42.Kf2 g4 43.Rc3- If 43.b4! (advancing the queenside majority) then after Kg5 44.Re1 Qd2+ 45.Kg1 Qd4 46.Kh1 Kf4 Black can choose to liquidate the remaining pieces and win.
43...g3+ 44.Kf3 Qf1+ 45.Ke3 h3 46.Kd2 h2 0-1
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