Chess Board
[ECO code A88]
DUTCH DEFENCE
Leningrad System - Warsaw Variation
White pushes his Queen's Pawn on from Q4(d4) to Q5(d5) challenging Black's QBP, for 8..P-K4, 9.PxP e.p..
Black develops his Queen's Bishop to Q2(d7) tripling his QBP support against a Q-side 9.R-Kt1.., 10.P-QKt4 attack.
    White  Black	White  Black
 1. P-Q4   P-KB4     6.	0-0    P-Q3
 2. P-QB4  Kt-KB3    7.	Kt-B3  P-B3
 3. P-KKt3 P-KKt3    8.	P-Q5   B-Q2
 4. B-Kt2  B-Kt2
 5. Kt-KB3 0-0
Example ends: Undo or Jump or Clear