Chess Board
[ECO code A46]
POLISH DEFENCE DEFERRED
White moves his King's Rook across to K1(e1) and threatens Black's knight on the half-open file.
Black develops his Queen's Bishop to QKt2(b7) and defends his knight.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	R-K1   B-Kt2
 2. Kt-KB3 P-QKt4
 3. P-K4   KtxP
 4. BxP	   P-K3
 5. 0-0	   B-K2
Example ends: Undo or Jump or Clear