Chess Board
[ECO code D51]
QGD. TRANSPOSITION
EXCHANGE VARIATION (alt. route)
White's QBP took Black's QP on Q5(d5) after Black's QB+Q became blocked, perhaps for 5..PxP, 6.KtxP.
Black's KPawn exchanges, although his pinned KKt cannot protect his newly set QP -the 2Qns Trap set.
    White  Black    Transp.White Black
 1. P-Q4   P-Q4		  (1.)
 2. P-QB4  P-K3		  (2.)
 3. Kt-QB3 Kt-KB3	  (3.)
 4. B-Kt5  QKt-Q2!  (4.	PxP    PxP   )
 5. PxP	   PxP	    (5.	B-Kt5  QKt-Q2)
Continue: Transpose or Undo or Jump or Clear