Chess sharpens the mind, stimulates concentration, improves the memory and promotes visualization.

The knight is renowned for, among other things, its suitability as a blockader ... Because its strength lies in short-range operations it is not uncomfortable standing in a single spot for long periods, as the Bishop is.

Chess sharpens the mind, stimulates concentration, improves the memory and promotes visualization.

Young players calculate everything, a requirement of their relative inexperience.

Good players develop a tactical instinct, a sense of what is possible or likely and what is not worth calculating.

We often hear the terms 'positional' and 'tactical' used as opposites. But this is as wrong as to consider a painting's composition unrelated to its subject. Just as there is no such thing as 'artistic' art, so there is no such thing as 'positional' chess.

No matter how much theory progresses, how radically styles change, chess play is inconceivable without tactics.