Chess Board
COLLE SYSTEM (6 MOVES)
The Colle System - more about - is a (mainly) White defensive Queen's Pawn opening system. The complete structure (left) is usually reached by one of two main routes (below) after an initial 3 moves.
    White  Black	White  Black
 1. P-Q4   P-Q4	     1.	P-Q4   Kt-KB3
 2. Kt-KB3 Kt-KB3    2.	Kt-KB3 P-K3
 3. P-K3   P-QB4     3.	QKt-Q2 P-Q4
 4. QKt-Q2 QKt-Q2    4.	P-K3   QKt-Q2
 5. P-QB3  P-K3	     5.	B-Q3   P-B4
 6. B-Q3	     6.	P-B3
Use or Next or Systems or Clear