Chess Board
[ECO code C41]
TRANSPOSITION
PHILIDOR'S DEFENCE to HUNGARIAN DEFENCE
White's queen's pawn advance to the supported centre freed his QB and attacked Black's KP.
Black transposes into the drawish Hungarian by developing his Queen's Knight to QB3(c6), defending his KP and challenging Black's QP. B-Alt.
    White  Black    Transp.White Black
 1. P-K4   P-K4		  (1.)
 2. Kt-KB3 P-Q3	    (2.	Kt-KB3 Kt-QB3)
 3. B-B4   B-K2	    (3.	B-B4   B-K2  )
 4. P-Q4   Kt-QB3   (4.	P-Q4   P-Q3  )
Continue: Transpose or Undo or Jump or Clear