Chess Board
[ECO code C41] Move Move Here
PHILIDOR DEF. - Philidor Counter-Gambit
The del Rio Attack

Black's Q3(d6) pawn moved on to Q4(d5) to defend his KP, and unblocked his KB.
White's KPawn moves from K5(e5) to K6(e6) to support a 7.Kt-B7 fork - a refutation proposed by Italian Domenico del Rio in 1750. W-Alt.
    White  Black	White  Black
 1. P-K4   P-K4	     5.	Kt-Kt5 P-Q4
 2. Kt-KB3 P-Q3	     6.	P-K6
 3. P-Q4   P-KB4?!
 4. QPxP   BPxP

BLACK to Move or Undo or Jump or Clear
 
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