Chess Board
[ECO code D10]
SLAV DEFENCE
Alekhine Variation
White's fraught QB3(c3) Knight moves to QR2(a2) reversing the QKtP attack (otherwise 6.QKt-K2..P-K4).
Black develops his King's Knight to KB3(f6) to attack White's KP, for equality.
    White  Black	White  Black
 1. P-Q4   P-Q4	     6.	Kt-R2  Kt-B3
 2. P-QB4  P-QB3
 3. Kt-QB3 PxP
 4. P-K4   P-QKt4
 5. P-QR4  P-Kt5
Example ends: Undo or Jump or Clear