Chess Board
[ECO code D52]
QGD. - CAMBRIDGE SPRINGS DEF.
Trap Variation
White's KB3(f3) Knight completes an exchange, removing the Black knight on KKt5(g5).
Black's Q4(d5) Pawn removes the QBP on QB5(c4) unmasking both 10..PxB and 10..QxKKt to win a piece.
    White  Black     5. P-K3   P-B3
 1. P-Q4   P-Q4	     6.	Kt-B3  Q-R4
 2. P-QB4  P-K3	     7.	B-Q3?! Kt-K5!
 3. Kt-QB3 Kt-KB3    8.	Q-B2?? KtxB
 4. B-Kt5  QKt-Q2!   9. KtxKt  PxP!
Example ends: Undo or Jump or Clear