21.11.2012– IM Anna Ushenina from Ukraine faced a formidable opponent in round four of this knock-out event: Russian GM Nadezhda Kosintseva, rated close to 90 points above her. In the first game Anna was on verge of defeat but managed to save the game, in the second she won nicely with a pawn sacrifice. Stefanova beat Sebag to equalise their match. There will be three tiebreak encounters on Thursday.
[Note: You can download PGN and also play through some of the games of the final eight at Chessbase. This is an excerpt of the full article.]
 |
| Anna Ushenina |
Kosintseva, Nadezhda–Ushenina, Anna½–½B94WWCC 201241.3Khanty-Mansiysk20.11.2012
2.f3d6
3.d4cxd4
4.xd4f6
5.c3a6
6.g5bd7
7.e2h68
.h4g6
9.0-0-0e5
10.b3e7
11.f3b5
12.a3c7
13.b1f8
14.g4b7
15.f2g7
16.h4ab8
17.e3b6
18.c1c4
19.d3a8
20.g1b4
21.axb4b6
22.g2xb4
23.g5hxg52
4.hxg5d7
25.d1a3+
26.bxa3xc32
7.b2c7
28.c4c6
29.f4b7
30.f2b6
31.xa6xa6
32.xa6a4
33.c4xb2
34.xb2exf4
35.xf4 f6??Ushinina: "I had spent too much time in the middlegame, and made a couple of serious mistakes under time pressure, when all I had to do was calculating a couple of simple lines." 35...e8for instance would have kept Black on the offensive. 36.a2??A missed chance. "When I played 35...f6, Nadezhda began to think, and I instantly noticed that she can take on f6 twice. However, she rejected this move."
36.gxf6+xf6+
37.xf6!xf6
38.xd6+36...hf8White still has the advantage, but is now unable to turn it into a full point. 37.d4d738.e6a4
39.df1be840.d5d741.e6a442.b3d743.e6and draw by repetition. " In the final position Nadezhda still had a big advantage and could torture be for a long time," said Anna Ushinina. ½–½
In the second game Anna sacrificed a pawn and, after Nadezhda some imprecise moves by her opponent won it back with a decisive advantage. For the first time in her life the 27-year-old Ukrainian IM has advanced to the semifinals of such an event.
No comments:
Post a Comment