Also bad was 18...Qe6 19.f4 Nxf4 20.Nxe5 Kh7 21.Qf3 Ng6 22.Nxg6 Qxg6 23.Re7+ Rf7 24.Rae1+–.
To all Black’s other woes is added the fact that he cannot bring out the Bc8.
23...Qd6 24.Qxd6 cxd6 25.Re7+– f4 26.Bd3 Bf5 27.Bxf5 Rxf5 28.Rxb7 f3 29.g4 Rg5 30.Kg3 h5 31.Re4 Rag8 32.Rxa7 Rxg4+ 33.Rxg4 Rxg4+ 34.Kxf3 Rg5 35.Rf7
Unity Chess Club
Igor Ivanov Vitaly Tseshkovsky Yerevan 1977 Black to move
The white pieces are idling on the queenside and the Na4 is attacked – this allows a crushing blow:
When taking on a4 last move, White probably counted only on 22...Bxd3 23.Rxd3 Rxa4 24.Qxa4 Nxb2 25.Qb3 Nxd3 26.Bxd3, with equality.
On 24.Qd2, there would follow 24...Bxd4 25.Kh1 Rxa4 – White is not mated, but Black completely dominates, as well as winning material.
The white pieces cannot come to the aid of their king, as they are too far away. The extra rook does not help, either.
Unity Chess Club
Alexei Shirov 2500 Daniel King 2515 Gausdal 1990 White to move
It is obvious that White’s chances are tied up with play on the light squares. The e5-square is covered by two black pawns, but not actually blockaded! Consequently, White clears the diagonal, and brings his queen into the attack with decisive effect:
The counterattack on the h-file does not work: 32...Rxh2+ 33.Kxh2 Rh8+ 34.Bh3!.
33.Nf5!+ gxf5 34.Rg3+ Kf8 35.Qxf5 Qf4 36.Qg6 Ra7 37.Rh3 Rxh3 38.Qg8+ Ke7 39.d6+