Chess Board
[ECO code C41]
PHILIDOR DEF. - Philidor Counter-Gambit
del Rio Attack
Black's QP removed White's knight on K5(e4) despite a resulting threat of 9.QxQ+ch..KxQ.
White develops his Queen to KR5(h5) with check, and has an increasing advantage.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	P-K6   Kt-KR3
 2. Kt-KB3 P-Q3	     7.	Kt-QB3 P-B3
 3. P-Q4   P-KB4?!   8.	KKtxKP PxP
 4. QPxP   BPxP	     9.	Q-R5 ch
 5. Kt-Kt5 P-Q4
Example ends: Undo or Jump or Clear