The continuation 17.d5 Ne5 18.dxe6 Bxe6 19.Nf4 promised approximate equality.

It turns out that after 19.Rxa4, there follows the double attack 19...Qb5 20.Rb4 Qxe2 21.Bxb7 Rad8 – White’s position is worse, because of the weakness of his pawns and the activity of the black pieces. The attack on the f2-pawn will be very unpleasant.

This is also a double attack, but without consequences for Black – White has a bishop hanging.

Transferring the bishop to its strongest square on b6.

White resigned.

With his last move, White withdrew his knight from d4, counting on driving the enemy rook back into its own camp. But he missed a blow, which became possible as a result of the lack of coordination between the white pieces:

There is also not much chance of holding after 22.gxf3 Qg5+ 23.Ng3 Qxd2–+.

The idea behind Black’s last move is revealed by the simple variation 24.Rc2 Qe3+ 25.Kh1 Rxh2+ 26.Kxh2 Ng4+ 27.Kh1 Qh6+ 28.Kg1 Qh2#.

White resigned.

White threatens an unpleasant check on the kingside, but after...