Chess Board
[ECO code D52]
QGD. - CAMBRIDGE SPRINGS DEF.
Bogoljubow Var. - Trap Variation
White's QB2(c2) Queen under attack removes the new Black queen's pawn on Q3(d3).
Black's Q2(d7) Knight removes the bishop on KB3(f6) to win a minor piece, with obvious advantage.
    White  Black     6.	Kt-B3  Q-R4
 1. P-Q4   P-Q4	     7.	Kt-Q2  B-Kt5
 2. P-QB4  P-K3	     8.	Q-B2   0-0
 3. Kt-QB3 Kt-KB3    9.	B-Q3?? PxP!
 4. B-Kt5  QKt-Q2!  10.	BxKt   PxB!
 5. P-K3   P-B3	    11.	QxP    KtxKt
Example ends: Undo or Jump or Clear