Chess Board
[ECO code C41]
PHILIDOR DEF. - Philidor Counter-Gambit
White developed his QKt to QB3(c3), planning 7.QKtxKP..PxKt, 8.QxQ+ch..KxQ, 9.Kt-B7+ch.., 10.KtxR to gain a rook.
Black necessarily develops his King's Bishop to QKt5(b4) to pin White's queen's-side knight.
    White   Black	White  Black
 1. P-K4    P-K4     6.	QKt-B3 B-Kt5
 2. Kt-KB3  P-Q3
 3. P-Q4    P-KB4?!
 4. QPxP    BPxP
 5. Kt-Kt5  P-Q4
Example ends: Undo or Jump or Clear