Chess Board
[ECO code C18]
FRENCH WINAWER - Poisoned Pawn Var.
The Euwe Variation

Black developed his queen to QB2(c7) and forked White's KP and doubled QBP.
White moves his King to Q1(d1) to avoid check if 10..QxKP or 10..QxBP follows. W-Alt.
    White  Black	White  Black
 1. P-K4   P-K3	     6.	PxB    Kt-K2
 2. P-Q4   P-Q4	     7.	Q-Kt4  PxP
 3. Kt-QB3 B-Kt5     8.	QxKtP  R-Kt1
 4. P-K5   P-QB4     9.	QxRP   Q-B2
 5. P-QR3  BxKt ch  10.	K-Q1

Example ends: Undo or Jump or Clear