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Preparing ...Ng7-e6-d4 in order to seize the centre.
2.Qe3 Qa7 3.h4!
Intending Kh2 and Bh3 to swap the opponent's "good" bishop.
3...Kg7 4.Kh2 f6 5.Bh3 Bxh3 6.Kxh3 Ne6 7.h5 gxh5!
Accepting the sacrifice in order to gain time.
8.Rh1 Rad8 9.Kg2 Qg7 10.Kf1 Qg4! 11.Rh4
11.Nh4? Rd1+ 12.Kg2 Nf4+ -+
11...Qg6
With ideas like ...Bh6-g5 and ...Nd4, Black is better.
Piskov - Hermesmann
Dortmund 1992
White to move
Forcing a favourable exchange on g3, which will clear the f-file for the rook and hamper Black's potential attack.
1...Nxg3 2.fxg3! e4 3.Be2 Ne5 4.Nb5!
Preventing 4...Bd7 and enabling ideas like Rc1-c7 and Nd4-e6.
4...Qe7 5.Rc1 Bd7 6.Nd4 Rac8 7.Rxc8 Bxc8 8.Qd2 a4 9.Rc1 Ng6
Intending ...Be5 and ...f5-f4 – Piskov.
10.Nb5! Be5 11.Bh6! Rd8 12.Rc7 Bd7 13.Rxb7
With a sound extra pawn, whereas Black hasn't achieved ...f5-f4.
Ivanchuk - Krasenkow
Wijk aan Zee 2003
Black to move