Queen's Gambit Declined, Elephant Trap


In chess, the Elephant Trap is a faulty attempt by White to win a pawn in a popular variation of the Queen's Gambit Declined. This simple trap has snared thousands of players, generally amateurs.
The earliest recorded occurrence of the trap seems to be Karl Mayet vs. Daniel Harrwitz, Berlin 1848.

The trap

1. 2. 3. 4.
5. cxd5 exd5 6. Nxd5
6... Nxd5 7. Bxd8 Bb4+
8. Qd2 Bxd2+
9. Kxd2 Kxd8