The Colle-Koltanowski System Taktik he has won countless games

he has won countless games in the endgame

and since Black's structure is often the same in many Najdorf variations

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Chapter 4: Queen’s Gambit Declined

e5 against 1

The Colle-Koltanowski System Taktik he has won countless gamesA real favorite among club players. The Colle Koltanowski system (playing d4, Nf3, e3, Bd3 and eventually b3) is very easy to learn, yet an extremely dangerous opening. White goes for a simple set up, aiming all of his pieces towards Black's kingside. White doesn't need to rely on learning reams of opening theory to master this opening, therefore suiting players who do not want to spend their entire spare time reading, watching and learning thirty