Chess Board
[ECO code C51]
Giuoco Piano
EVANS COUNTER-GAMBIT
White's king's-side Knight captures Black's KP on K5(e5) and targets Black's weak KB2(f7).
Black Q-side Knight on QKt5(b4) removes White's doubled QP on Q4(d5) (else 8.P-Q6 attacks), but 8.P-Q4 tends to give White a slight advantage.
    White  Black     5. PxP    KtxP
 1. P-K4   P-K4	     6.	0-0    Kt-B3
 2. Kt-KB3 Kt-QB3    7.	KtxP   QKtxQP
 3. B-B4   B-B4
 4. P-QKt4 P-Q4
Example ends: Undo or Jump or Clear