Chess Board
[ECO code C54]
GIUOCO PIANO (Open Line)
Cracow Variation
White develops his Queen to the vacated Q4(d4), defends his KBP and attacks the knight on K4(e4).
Black's endangered Knight withdraws to KB3(f6), for (usually) 10.B-KKt5..P-B4, 11.Q-K3 equality.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	PxP    B-Kt5 ch
 2. Kt-KB3 Kt-QB3    7.	K-B1   KKtxP
 3. B-B4   B-B4	     8.	P-Q5   Kt-K2
 4. P-B3   Kt-B3     9.	Q-Q4   Kt-B3
 5. P-Q4   PxP
Example ends: Undo or Jump or Clear