With opposite coloured bishops the attacking side has in effect an extra piece in the shape of his bishop.

Chess cannot be taught. Chess can only be learned.

With opposite coloured bishops the attacking side has in effect an extra piece in the shape of his bishop.

Memorization of variations could be even worse than playing in a tournament without looking in the books at all.

In short, we can see Karpov as an exploiter of other people’s ideas. His ability to use these ideas is not at issue, but he himself is about as fertile as a woman who has been sterilized is.

If Tal sacrifices a piece, take it. If Petrosian sacrifices a piece, don't take it.

If you are weak in the endgame, you must spend more time analysing studies; in your training games you must aim at transposing to endgames, which will help you to acquire the requisite experience.