(1) Cramling Pia (GM) - Atalik Ekaterina (IM) [D38]

Half a point behind, with three rounds to go GM Cramling held the white pieces against the leading IM Atalik. It was a chance to pull ahead in the home stretch, and take her chances at first place into her own hands. She did not achieve much of an advantage out of the opening. Despite the presence of dark squared weaknesses on the black kingside, and possession of the only dark squared bishop, no good aggressive opportunities ever presented themselves. But she kept playing, and finally an opportunity did present itself. In the Q+ opposite colored Bishop endgame, Atalik failed to challenge the good squares Cramling had found for her pieces. These two pieces were able to make strong enough threats against the black king to force Atalik to sacrifice a pawn and bail out into a bishop ending, which Cramling converted without difficulty.

1.d4 Nf6 2.Nf3 e6 3.c4 d5 4.Nc3 Bb4 5.cxd5 exd5 6.Bg5 Nbd7 7.e3 c5 8.Bd3 Qa5 9.Qc2
c3 does not actually require defense but Qc2 is a useful enough move, developing and fighting for control of e4.

9...c4 10.Bf5 0-0 11.0-0 Re8 12.Nd2 g6 13.Bxd7
[another approach to the opening would be 13.Bh3 ]

13...Nxd7 14.Bh4
preparation for e4 [14.e4? Bxc3 15.bxc3 dxe4 16.Nxe4? (16.Be3 Qd5=/+ ) 16...Rxe4 17.Qxe4 Qxg5-+ ]

14...Nb6
[I think black could radically prevent e4 with the further weakening 14...f5 15.a3 (a cool move would be 15.g4?! but sadly it lacks in effectiveness. 15...Nb6=/+ (black can probably also take this pawn, but most humans would prefer Nb6 15...fxg4 16.e4 ) ) 15...Bxc3 (15...Bf8? 16.b4 cxb3 17.Nxb3 Qc7 18.Bg3+/- ; 15...Bd6 16.b4 cxb3 17.Nxb3 Qc7 18.Bg3+/= ) 16.bxc3 in spite of the many kside weaknesses, it doesn't seem white has any way to get at them soon. this may be an acceptable position for black.]

15.e4 Bxc3 16.bxc3 dxe4 17.Nxe4 Nd5
[17...Bf5? 18.Nf6+ Kh8 (18...Kg7 19.Nxe8+ ; 18...Kf8 19.Qd2 ) 19.Qd2+- ]

18.Rae1 Bd7
[slightly preferable might be 18...Bf5 19.f3 Kg7 (19...Bxe4!? 20.fxe4 Nxc3 21.Re3 Nb5 22.Qxc4 Nd6 23.Qb3 Qb6 seems very close to equal) 20.g4 Bd7 21.Bg3 f6 is balanced 22.Nc5 Bc6 ]

19.f3 Qa3 20.Qd2 Re6 21.Nc5
[the queen on a3 can defend the kingside: 21.Qh6 Qf8 ]

21...Rxe1 22.Rxe1 Bc6 23.Ne4 Re8 24.Nf6+ Nxf6 25.Bxf6 Rxe1+ 26.Qxe1 h6?!
[26...Qd6+/= It seems logical to immediately challenge the Bf6 which is hemming in the black king. After this centralization of the black queen, I don't think Katya would have had too much to fear.]

27.Qe5
The white pieces have assumed extremely dominating positions. At some point white will make mate threats against the black king.

27...Qc1+?
[the white pieces must be challenged! this seems like the last chance: 27...Qf8 28.h4 Qe8+/= and white's advantage is under control]

28.Kf2 Kh7
[black's defenses are probably inadequate now. if she tries: 28...Qd2+ 29.Kg3 g5 30.h4 Qf4+ 31.Qxf4 gxf4+ 32.Kxf4 this endgame will probably be lost, like in the game]

29.h4!
[if 29.Bh8 Qd2+ 30.Kg3 Qg5+ 31.Qxg5 hxg5 32.Bf6 black is quite likely to save the endgame]

29...Qc2+ 30.Kg3
on an indiffere nt move follows Bh8. black no longer has better than to make a very unfavorable exchange of queens. More even than the loss of a pawn, the white king's easy path into the center (supporting the d5 pawn) decides.

30...Qf5 31.Qxf5 gxf5 32.h5!
A doubly virtuous move! White keeps the black king from joining the white king in the center via g6. Also white nails down the Ph6, so that even if the black king eventually went to the center, white might win with Bg7.

32...b5
The black queenside pawns provide minimal counterplay. The other defense would have been:

33.a3 a5 34.Kf4 Kg8 35.Kxf5 b4
[35...Kf8 36.Ke5 b4 look at this variation a little further with the engine]

36.cxb4 axb4 37.axb4 c3 38.d5 c2 39.Bb2 Bxd5 40.b5 Kf8 41.Ke5 Be4 42.Kxe4 1-0