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Game of the day 8

IMG 4088By GM Adrian Mikhalchishin

Muzychuk,Anna - Stefanova,Antoaneta [D46]
FIDE Women's Grand Prix Ankara, 24.09.2012
1.d4 First move -immediately surprise.Annas speciality was always Kings pawn move. 1...d5 2.c4 c6 3.Nc3 Nf6 4.e3 e6 5.Nf3 Nbd7 [Generally ,main Antoinetas opening line was much less theoretically developed 5...a6 6.Ne5 Nbd7 7.f4 Bb4 8.Bd3 c5 9.0–0 cxd4 10.exd4 dxc4 11.Bxc4 Nb6 12.Bb3 0–0 13.Qd3 Nbd5 14.Bd2 Ne7 15.g4 b5 16.g5 Ne8

with very messy position,1/2 Kosteniuk,A (2457)-Stefanova,A (2518)/Kazan RUS 2012] 6.Qc2 Bd6 7.Bd3 0–0 8.0–0 dxc4 9.Bxc4 a6 10.e4 The most active approach.Against Antoineta were tried few other moves,but surprise!Opponent played the same position with different colours just few weeks ago! [10.Rd1 b5 (10...c5 11.dxc5 Bxc5 12.Bd3 h6 13.b3 Qe7 14.Bb2 b6 15.Ne4 Bb7 16.Bxf6 Nxf6 17.Nxc5 Rfc8 18.Qe2 Rxc5 19.e4 e5 20.Nd2 Nh7 21.Nc4 Qc7 with equal play, Koneru,H-Stefanova,A/Doha, Qatar 2011) 11.Be2 Qc7 12.Ne4 (12.e4 e5 13.g3 Re8 14.a3 exd4 15.Nxd4 Be5 16.Bf3 c5 17.Nf5 Nb6 18.a4 b4 19.a5 bxc3 20.axb6 Qxb6 21.bxc3 Rb8 with sufficient counterplay, Danielian,E-Stefanova,A/Doha, Qatar 2011 ) 12...Nxe4 13.Qxe4 Bb7 14.Qh4 c5 15.dxc5 Nxc5 16.Bd2


16...Be7 17.Qg3 Bd6 18.Qh4 Be7 19.Qg3 Bd6 20.Qh4 1/2 Stefanova,A (2502)-Muzychuk,A (2606)/Istanbul TUR 2012; 10.a4 c5 11.dxc5 Bxc5 12.b3 b6 13.Ne4 Be7 14.Nxf6+ Bxf6 15.Ra2 Bb7 16.Rd1 Qc8 17.Ba3 Rd8 18.Rc1 Ne5 19.Nxe5 Bxe5 20.Qe2 Qb8 21.f4 Bf6 22.Rd2 b5! with good counterplay, Ushenina,A (2502)-Stefanova,A (2481)/Krasnoturinsk RUS 2007] 10...e5 11.Rd1 Qc7 12.h3 b5


[Very serious option here is 12...exd4 13.Nxd4 Re8 14.a3 Be5 15.Be3 Nf8 16.Rd2 b5 17.Ba2 (№17.Bd3) 17...c5 18.Nde2 c4 19.Nd5 Nxd5 20.exd5 Ng6і Kamsky,G (2595)-Anand,V (2650)/Tilburg 1991] 13.Bb3 [Another option is possible 13.Bd3 Bb7 14.a4 Rfe8 15.dxe5 Nxe5 16.Nxe5 Bxe5 17.Be3 Bh2+ 18.Kh1 Bf4 19.Bd4 Be5 20.Bc5 Nd7 21.Be3 Nf8 22.Ne2 Ng6 23.Qc1 Qe7 24.f4 and White succeded in creation of powerfull structure,Tregubov,P (2612)-Gritsak,O (2537)/Warsaw POL 2005] 13...exd4 [White got strong attack after 13...Bb7 14.dxe5 Nxe5 15.Nd4 Rad8 16.Nf5 c5 17.Bg5 c4 18.Bxf6 gxf6 19.Qc1! 1–0 Solomon,K (2414)-Cuartas,J (2521)/Istanbul TUR 2012] 14.Nxd4 Nc5 15.Bg5


19...Qb7 20.Nce7+ Bxe7 21.Nxe7+ Kh8 22.Ng6+ hxg6 23.Qxf8+ Kh7 24.Rd8 g5 25.Qh8+ Kg6 26.Rg8 f5 27.exf5+ Kxf5 28.Qh7+ Kf6 29.Rf8+ Ke5 30.Qg6 Be6 31.Qxg5+ Kd6 32.Qg3+ Kc6 33.Qf3+ Bd5 34.Qc3+ Kb6 35.Qe3+ Kc6 36.Qc3+ Kb6 37.Qe3+ Kc6 38.Qc3+ Kb6 39.Qe3+ Kc6 40.Qc3+ Kb6 -it is the forced analyse of this sharp line by modern engines,so draw! Shimanov,A (2600)-Goganov,A (2523)/St Petersburg RUS 2012] 16.Bxf6 bxc3


[Positionally wrong was 16...Nxb3 17.Nxb3 gxf6 18.Na4 as White occupy the important square c5.] 17.e5! Nxb3 [White would win a pawn after 17...Bxe5 18.Bxe5 Qxe5 19.Nxc6 Qf6 20.Qxc3] 18.Qxb3 Bxe5 [Losing was 18...cxb2?? 19.Qg3] 19.Bxe5 Qxe5 20.Nxc6 Qe4 21.Qxc3 Bb7 22.Rac1 [Very good option was 22.Rd6 Rac8 23.f3 Qh4 24.Qd4 Qxd4+ 25.Nxd4 and White kept the extra pawn.] 22...Rfc8 [White would transfer into winning Rook end after 22...Rac8 23.Rd6 Rfe8 24.Qc4 Kf8 25.Rd4 Qe6 26.Qxe6 Rxe6 27.Rd8+ Rxd8 28.Nxd8 Re7 29.Nxb7 Rxb7 30.b3] 23.Rd6 Rc7


Antoineta tries to exploit her only chance in the position-pin on c file.And White direct task is to release this grip. 24.Qa5? [Better was 24.Qd2 Re8 25.f3 Qh4 (25...Qe2? 26.Qxe2) 26.Rc5 g6 27.Re5 Bxc6 28.Rxc6 Rxe5 29.Rxc7 Kg7 30.Kh2 and it is not easy to realize extra pawn in heavy pieces endgame.Now game transforms into Quen against two Rooks end with extra pawn.But it is known that in such situations Two Rooks are too mobile to be in danger .] 24...Bxc6 25.Rcxc6 Qxc6 [Similar version of this endgame was 25...Rxc6 26.Rd8+ Qe8 27.Rxe8+ Rxe8] 26.Rxc6 Rxc6


27.b4 Rb8 28.Kh2 [Slightly more preferable is set up with 28.g3 g6 29.h4 h5] 28...h6 29.a3 Rf6 30.f3 Re8 31.Qd5 Re3 32.a4 Ree6 33.Qd8+ Kh7 34.Qd3+ g6 35.Qd4 Rf5 36.Qc4 h5 37.Qc7 Kg7 38.Qc3+ Kh7 39.Qc7 Rff6 40.Qc4 Rc6 41.Qe4 Rfe6 42.Qd3 Rcd6 43.Qc4 Rc6 44.Qd3 Rcd6 45.Qc4 Rc6 White cannot reach anything positive with b4-b5,so both agreed for a draw. 46.Qd3 1/2

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