Chess Tip Of The Day

One effective way of forming a repertoire is simply to lift most of it from a leading player whose style you feel is close to your own. By following that player's games, you will be assured of a regular flow of fresh information on the lines concerned. Steve Giddins, How To Build Your Chess Opening Repertoire

In positions with mobile pawn-centres everything depends on the following question: can the defender prevent the attacker's pawns from advancing, and can he blockade them? Alexander Kotov, The Art Of The Middlegame

Many books have been written about positional play. Not all of them are worth looking at, but some of them should be studied, above all My System - Aron Nimzowitsch's excellent book. Mark Dvoretsky, Positional Play