The knight of QB3 is under obligation, the moment the enemy gives him the chance, of undertaking an invasion of the center by Kn-Q5.

How vain are our fears! I thought to myself. Sometimes we fear that which our opponent (or fate) had never even considered! After this, then, is it any longer worthwhile to rack one's brain to find new ghosts to fear? No, indeed: All hail optimism! - upon playing Hermanis Mattison after he overlooked an unusual knight manouevre.

The threat is stronger than the execution.

The great mobility of the King forms one of the chief characteristics of all endgame strategy. In the middlegame the King is a mere 'super', in the endgame on the other hand - on of the 'principals'. We must therefore develop him, bring him nearer to the fighting line.

Strategically important points should be overprotected. If the pieces are so engaged, they get their regard in the fact that they will then find themselves well posted in every respect.

It is a well known phenomenon that the same amateur who can conduct the middle game quite creditably, is usually perfectly helpless in the end game. One of the principal requisites of good chess is the ability to treat both the middle and end game equally well.

Giving up the center must not here be regarded as illogical. Was happiness no happiness because it endured for just a short time? One cannot always be happy.