Black is clearly better: he has the attack with opposite-coloured bishops, with White’s king in the middle (not able to run away via g1). White’s bishop is almost a mere pawn, while Black’s is a superb Botvinnik bishop

If 31.b3 a4, also with tremendous pressure.

Perhaps you would not think so right away, but Black is winning!

Actually, Black was much better already, as the e-pawns is a clear (double)weakness.

32.Rdd1 is met by 32…Qa3, attacking both the most backward of the doubled pawns as well as the a2-pawn.

White’s bad bishop was a good defender.

Material is equal again, but the pawn structure still favours Black.

No! White’s king is in the middle, and in big trouble, because castling is impossible in view of mate on g2. Black brings on his reserves.

Without the rook on c7, White’s position clearly looks weaker, and in fact he is just lost. His king is vulnerable and lingering, and the h1-rook is out of play. Black avoided one more pitfall: