Preventing a knight move to g5. Now White has a problem with the d5-pawn.

Before taking the pawn Black continues his promising kingside expansion.

Desperation in a difficult position.

Black soon converted his material advantage.

2.Rxc3? Ne4 3.Bxe7 Nxc3 -+

By means of a tactical trick Black manages to exchange pieces, thus neutralizing the enemy attack.

The point.

Black later converted his material advantage.

White’s compensation for the pawn consists in his control of the square e5, and his pressure on the open files and the long diagonal. In one move, Black changes the character of the struggle.

He loses after 26.Nxa5 Bd6!, whilst in the event of 26.Nd2 Rae8, White has no positional compensation for the exchange, since his knight has lost the strongpoint c4. Black is ready to set his pawn center in motion, by first kicking the white rook with ...Bc5-d6.