COLLE SYSTEM: KOLTANOWSKI VARIATION 5 c3 * IGM Andrew Soltis * 1 d4 d5 2 e3 Nf6 3 Bd3 e6 4 Nf3 c5 5 c3 and other moves where Black does not play c5. Subtitle: Your 1st or 2nd White opening. There... This description may be from another edition of this product.