Under no circumstances should you play fast if you have a winning position. Forget the clock, use all your time and make good moves.

Errors have nothing to do with luck; they are caused by time pressure, discomfort or unfamiliarilty with a position, distractions, feelings of intimidation, nervous tension, overambition, excessive caution, and dozens of other psychological factors.

Since your mental state can have such dramatic effects on your body, obviously your physical condition can affect your mental well-being. It follows that regular physical conditioning should be part of your overall chess training.

When you defend, try not to worry or become upset. Keep your cool and trust your position - it's all you've got.

Patience is the most valuable trait of the endgame player.

Under no circumstances should you play fast if you have a winning position. Forget the clock, use all your time and make good moves.

Patience is the most valuable trait of the endgame player. In the endgame, the most common errors, besides those resulting from ignorance of theory, are caused by either impatience, complacency, exhaustion, or all of the above.