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Reply #6: Shen Yang - Ju Wenjun, Women's Group, Round 3 [View All]

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Jack Rabbit Donating Member (1000+ posts) Send PM | Profile | Ignore Mon May-31-10 01:43 PM
Response to Reply #2
6. Shen Yang - Ju Wenjun, Women's Group, Round 3
As of today (Monday, May 31), Ju Wenjun is in first place clear after winning her seventh round game over Zhang Xiaowen.



Ju Wenjun
Photo: ChessBase.de (Germany)


Shen Yang - Ju Wenjun
Chinese National Championships, Women's Group, Round 3
Xinghua, 26 May 2010

West India Game: King's Indian Defense (Main Line)


1.d4 Nf6 2.Nf3 g6 3.c4 Bg7 4.Nc3 0-0 5.e4 d6 6.Be2 e5 7.Be3 Ng4


8.Bg5 f6 9.Bh4 Nc6

  • If 9...g5 10.Bg3 Nh6 11.d5 then:
    • If 11...Nd7 12.Nd2 f5 13.exf5 Nf6 14.Nde4 then:
      • If 14...Nxe4 15.Nxe4 Bxf5 16.Bd3 g4 17.0-0 Kh8 then:
        • 18.Re1 Qe7 19.Rc1 b6 20.b4 a5 21.a3 axb4 22.axb4 Ra3 23.c5 bxc5 24.bxc5 is equal (Wang Yue-Radjabov, Grand Prix, Elista, 2008).
        • 18.Qe2 Qe7 19.f3 gxf3 20.Rxf3 Bg4 21.Rxf8+ Rxf8 is equal (Prusikin-B. Socko, Euro Ch, Dresden, 2007).
      • 14...Bxf5 15.Bd3 Nxe4 16.Nxe4 c6 17.0-0 cxd5 18.cxd5 Bg6 is equal (Mohota-Dembo, Mindsports Rpd, Beijing, 2008).
    • 11...f5 12.exf5 Nxf5 13.Nd2 Nd4 14.0-0 Nxe2+ 15.Qxe2 Qe8 16.Nde4 gives White the advantage in space (K. Georgiev-Bologan, Op, Gibraltar, 2006).

10.d5 Ne7 11.Nd2 Nh6 12.f3 c5 13.Rb1

  • 13.dxc6 bxc6 14.b4 Be6 15.Nb3 d5 16.Nc5 Bf7 17.cxd5 cxd5 18.0-0 d4 is equal (Arlandi-van Wely, TT, Bkfrd, 1995).

13...g5

  • 13...b6 14.b4 Nf7 15.0-0 f5 16.bxc5 dxc5 17.Qa4 is equal (Zhao Xue-Choisy, TMatch, Paris, 2006).

14.Bf2 f5 15.b4

  • 15.h3 Kh8 16.g4 fxg4 17.hxg4 Ng6 18.Be3 Nf4 is equal (Gelfand-I. Smirin, Rpd, Haifa, 1998).

15...b6 16.a4!?

  • If 16.bxc5 bxc5 17.0-0 then:
    • 17...Ng6 18.g3 Kh8 19.Qa4 Ne7 gives White the advantage in space (D. Gurevich-Liberzon, IT, Beer Shi\eva, 1982).
    • 17...f4 18.Nb3 Ng6 19.Nb5 Rf7 20.Be1 Bf8 gives White the advantage in space (Komarov-Hebden, EUro Club Cup, Bratislava, 1996).

16...Ng6

  • The game is equal.

BLACK: Ju Wenjun
""""""""#
$t+vW Tl+%
$O + + Vo%
$ O + +mM%
$+ OpOoO %
$pPp+p+ +%
$+ N +p+ %
$ + NbBpP%
$+r+qK +r%
/(((((((()

WHITE: Shen Yang
Position after 16...Nd7g6


17.g3

  • A good alternative to meeting Black's kingside initiative head on is to open a front on the other wing.
  • 17.bxc5 dxc5 18.0-0 Nf4 19.a5 gives White a protected passed pawn while she demolishes Black's queenside.

17...g4 18.a5 gxf3 19.Bxf3 fxe4 20.Ndxe4 Bh3

  • 20...cxb4 21.Rxb4 bxa5 22.Rb1 Bh3 23.c5 remains equal.

21.a6 cxb4 22.Rxb4 Qd7 23.Be3!?

  • This gives the Bishop more scope, but White should attack the d-pawn.
  • If 23.Nb5 Qf5 24.Rb3 then:
    • If 24...Bg4 25.Nd2 Qd7 26.h3 Bxh3 27.Ne4 then:
      • 27...Nf7 28.Nbxd6 Nxd6 29.Nxd6 Qxd6 30.Rxh3 gives White the advantage in space.
      • If 27...Bg4 28.Nbxd6 Bxf3 29.Rxf3 then:
        • 29...Ng4 30.Rf5 Nf6 31.Nxf6+ Rxf6 32.Rxf6 Bxf6 33.Ne4 gives White more space and some initiative.
        • 29...Nf5 30.Rxf5 Rxf5 31.Qg4 Rf7 32.Qh5 Nf8 33.Be3! gives the Bishop greater scope and White the initiative.
    • 24...Nf7 25.Nbxd6 Nxd6 26.Nxd6 Qd7 27.Ne4 leaves White with an extra pawn.

23...Qf5!?

  • While this move looks strong, White can turn turn it to her advantage with correct paly.
  • 23...Nf5 24.Qe2 Nxe3 25.Qxe3 Rf7 26.Be2 Raf8 remains equal.

24.Be2?!

  • Whaite doesn't see the right move.
  • If 24.Bxh6! Bxh6 25.Bh5 then:
    • 25...Qc8 26.Qe2 Qxa6 27.Ra4 Qb7 28.Bg4 gives White the advantage in space.
    • 25...Rad8 26.Qe2 Qc8 27.Ra4 Qd7 28.Nb5 wins the d-pawn.

BLACK: Ju Wenjun
""""""""#
$t+ + Tl+%
$+ + + Vo%
$ + O +mM%
$+ +pOw+ %
$ Rp+n+ +%
$+ N B Pv%
$ + +b+ P%
$+ +qK +r%
/(((((((()

WHITE: Shen Yang
Position after 24.Bf3e2


24...Bg2!

  • Black abandons her d-pawn to carry out these kingside maneuvers.
  • 24...Ng4 25.Qd2 Nxe3 26.Qxe3 Rad8 27.Rg1 remains equal.

25.Rg1 Qh3

  • 25...Bh3? drops the Bishop to 26.g4! Qd7 27.Rg3 Nf4 28.Bxf4 exf4 29.Rxh3.

26.Nxd6 Qxh2 27.Kd2 Qxg3

  • Black has won a pawn.

28.c5 bxc5 29.Rb7

  • If 29.Bxc5 Qh2 30.Nde4 then:
    • 30...Nf5 then after 31.Bxf8 Rxf8 32.Kc1 Nd4 Black has the more active game.
    • 30...Rf7 31.Qb1 Bxe4 32.Nxe4 Rd8 33.Rb8 gives White the active game.

29...Qh2

  • 29...Rad8!? 30.Bxc5! Nf5 31.Nxf5 Rxf5 32.Bxa7 gets the pawn back with equality.

30.Kc1?

  • White should now lose.
  • 30.Bxc5! Rf6 31.Qb1 Rd8 32.Nce4 Rf4 33.Rxa7 Nf7 is equal.

30...e4!?

  • Black misses the opportunity to put the game away.
  • 30...Rad8 31.Ncb5 Nf5 32.Nxf5 Rxf5 33.Bc4 Bh6 leaves Black with the initiative on a loose Bishop.

31.Ncxe4!?

  • White fails to take advantage of the error.
  • After 31.Qd2 Rfd8 32.Ncxe4 Bxe4 33.Nxe4 Nf5 34.Bc4 Qe5 Black's extra pawn counts for little.

31...Bxe4! 32.Nxe4 Nf5 33.Bxc5?

  • Black's c-pawn can't run away and White needn't be in any hurry to take it.
  • White gets some counterplay after 33.Bd2 Rab8 34.d6 Kh8 35.d7 Nd4.

BLACK: Ju Wenjun
""""""""#
$t+ + Tl+%
$Or+ + Vo%
$p+ + +m+%
$+ Bp+m+ %
$ + +n+ +%
$+ + + + %
$ + +b+ W%
$+ Kq+ R %
/(((((((()

WHITE: Shen Yang
Position after 33.Be3c5:p


33...Qf4+!

  • In a position like this, the most aggressive move usually wins.

34.Nd2

  • 34.Qd2 Qxe4 35.Bd3 Qxd5 36.Bxf8 Rxf8 leaves Black with a material advantage equivalent to two pawns.

34...Rac8 35.Qc2 Nd4!

  • Black must win material.

36.Rf1

  • 36.Rxg6 Nxe2+ 37.Kd1 hxg6 38.Qxg6 Nc3+ leaves Black up by a Rook.

36...Nxc2 37.Rxf4 Rxf4 38.d6

  • 38.Bxa7 Ne3+ 39.Kb1 Nxd5 40.Bc4 Rcxc4 41.Nxc4 Rxc4 leaves Black up by two pieces.

38...Rxc5 39.d7 Bf6 40.Rb8+ Kg7 41.Rc8 Rd5 0-1

  • Black stops the pawn in the nick of time and remains a piece to the good.
  • Ms. Shen resigns.

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