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| Move | N | Result | Elo | Players |
|---|---|---|---|---|
| Replay and check the LiveBook here |
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1.c4 Nf6 2.Nc3 d5 3.cxd5 Nxd5 4.g3 by far the top choice in the database.
White goes for immediate piece pressure in the center using the long diagonal. 4.Nf3 is the second most popular choice in the database. White avoids
committing to the early fianchetto. 4...g6 5.Bg2 Nb6 6.Nf3 in contrast
with the move 4 variation, White has chased away the Nd5 before her own knight
comes out. Bg7 7.0-0 retaining maximum flexibility for as long as possible. Nc6 8.d3 White cannot reasonably play d4 here, due to Black's piece pressure
on the center, but this more modest pawn advance releases the c1 bishop and
asserts control over c4 and e4. 0-0 9.Rb1 an interesting choice by White.
Instead of playing a natural bishop developing move, for example Be3 or Bd2,
as a follow-up to the previous move, she prefers to initiate queenside action
immediately. Bf5 a somewhat puzzling square for the bishop, since it's left
potentially exposed to harassment by a knight or by an eventual e4 or g4 push,
should circumstances favor that. It is in a position to prevent Ne4, however,
as a minor piece exchange on e4 would then give Black a 3-2 pawn majority on
the queenside. 10.h3 this appears to be aimed at nullifying a potential
future Q+B battery on the c8-h3 diagonal, after which White plays Kh2 to
defend h3. White by this maneuver ensures that she keeps the Bg2 on the board
rather than having Black try to exchange it. 10.Be3 alternatively would
simply ignore Black's idea of exchanging the bishop, in favor of development.
Play could continue Qd7 11.Qd2 Bh3 12.Bh6 Bxg2 13.Kxg2 and now White will
be able to likewise exchange Black's bishop on the long diagonal, which is at
least as valuable as its White counterpart. 10...e5 11.b4 White presses
ahead with her queenside expansion plan. Nd4 12.Nxd4?! this unnecessarily
gives Black a strongly-supported central pawn, without sufficient compensation
elsewhere in the position. 12.Nd2!?= looks a little passive, but it
unleashes the Bg2 and keeps White's options open. 12...exd4 13.Ne4
now White's knight lands on a nice central square, but it may have been of
more use on c3, hitting b5 and d5. Nd5 Black now has a nicely centralized
knight of her own. 14.Bd2 by this point there are no real alternative
squares for developing the bishop. c6 15.b5 an easy move to play for White,
since her main idea, starting with the 9th move, has been to push the b-pawn
into Black's camp. This is a standard minority attack idea, seeking to
undermine support for Black's center. Qe7 a safe-looking choice, although
White's next move is also obvious and will help give her targets on the
queenside. 15...cxb5 16.Rxb5 and White will have dynamic play on the
queenside, although Black's strengths in the center balance this, along with
the long-term 2-1 majority on the queenside. 16.bxc6 bxc6 17.Qc2
pressuring the backwards c-pawn on the half-open file is now an obvious
strategy for White. Rac8 18.Rb3 with the idea of dominating the open b-file.
18.Qc5!? Qxc5 19.Nxc5 would be a nice-looking positional gain for White,
occupying c5 with a knight and opening up the long diagonal. 18...c5
Black correctly looks to advance and then hopefully liquidate the c-pawn,
which otherwise will be a long-term weakness. 19.Rfb1 consistent, but it
gives Black the opportunity to resolve the situation with the c-pawn. 19.Rc1?! would fail to prevent the advance of the c-pawn, which tactically still
works: c4 20.dxc4 Nc3 21.Bxc3 dxc3 and White is cut off from
protecting the c4 pawn, which Black will soon be able to take and thereby
restore the material balance, while also having control over the center and a
menacing passed c-pawn. 19...Nb6 this appears to be a turning point in
terms of the initiative. Instead of pressing forward, which is tactically
possible, Black retreats and then focuses her attention elsewhere. 19...c4
and now play is similar to the above variation: 20.dxc4 inserting 20.Rb7 Qa3 may be an improved version of the idea for White 20...Nc3 21.Bxc3 dxc3 20.Rb5 adding sideways pressure against the c-pawn. Rfe8 21.Bg5
White is now the one making threats and forcing Black to play reactively. 21.Rxc5? Bxe4-+ 21.Nxc5?! the pin against the Qc2 will prove awkward
after Be5 and now Black threatens simply ...Bd6, also with ideas of
possibly sacrificing on g3 in the future. 21...f6? a very committal move
that is also unnecessary; there are several reasonable queen moves. Blocking
the Bg7 effectively takes away a key piece from Black's game. Although Yip
then moves to undo the block, the whole process leaves her more vulnerable and
White well-positioned to exploit this. 22.Bf4 Bxe4 23.Bxe4 f5 24.Bf3
now it's obvious that White can support an h-pawn advance with her bishops. Be5 Black continues to attempt to exchange her way out of her difficulties. 25.Bxe5 Qxe5 it's interesting to see that the minor piece exchanges have had
their desired effect on the kingside, but look at the remaining pieces.
White's light-square bishop is huge, while the black knight is mostly
ineffective. White's rooks are also very active and the c-pawn's weakness is
magnified. 26.Rc1 Nd7 27.Qc4+ White's light-square dominance is well
illustrated by this sequence. Kh8 28.Rb7 Qd6 29.Rxa7+- Ne5 still trying
to exchange her way out of trouble, except now she is material down. 30.Qd5
a safe approach to handling the position. 30.Qb5 is the engine's
suggestion, but it involves giving Black some more risky-looking activity, for
example Nxf3+ 31.exf3 and Black has the e-file to work with and some
potential kingside counterplay, although it does not work out in calculation,
largely because the c-pawn is too vulnerable to capture. Qc6 32.a4+- 30...Nxf3+ 31.Qxf3 White's advantage is solid - a passed a-pawn and no real
weaknesses, while Black still has the backwards c-pawn - and Black can do
little about it. Qb6 32.Rb7 Qe6 targeting the one slightly weak point (e2)
in White's position and supporting a c-pawn advance...which, however, will be
problematic. 33.Rc2 c4? this advance comes far too late now and out of
desperation. 33...Qc6+- 34.dxc4 the simplest approach, just take the
pawn. Rxc4 35.Rxc4 Qxc4 optically it looks like the position is not
terribly worse for Black, with the weak c-pawn now gone, but now her exposed
king position can be exploited by White's queen. 36.Qf4! an excellent
example of a decisive queen move that does multiple things. Useful ones
include covering c1, getting on the open b8-f4 diagonal and pressuring the
d-pawn. However, the most important threat is now to Black's h-pawn, which
cannot be adequately defended from the Q+R combination. Rxe2 Black
desperately tries to distract White, but to no avail. 37.Qb8+ Qg8 38.Qd6
with an unstoppable threat on the long al-h8 diagonal. Re1+ 39.Kh2 1–0
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| White | EloW | Black | EloB | Res | ECO | Rnd |
|---|---|---|---|---|---|---|
| Yu,J | 2157 | Yip,C | 2164 | 1–0 | A16 | 4.2 |
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