The remaining problem for White was to get effective use out of the king bishop.

Still, Ivanov's attempt to keep the black king bishop out of play should be given another test, as it probably will.

However, 12 c5 looked as if it could keep the black king bishop from entering an attack on the other wing.

Gurevich said, "How could he trade off such a monster piece as his king bishop?"

Thus, the latent important options of developing the black king bishop to g7 or h6 are eliminated.

The white king bishop is too important a piece to exchange for a knight in the French Defense.

The question of the correct retreat for the white king bishop was not solved.

One of its chief themes is to put pressure on the h1-a8 diagonal with a fianchettoed white king bishop.

After 18 Bc2, the white king bishop was well placed, but it just took too long to get there.

Perhaps White's surest try for an advantage is to fianchetto his king bishop with 5.