The Lasker Trap is a chess opening trap in the Albin Countergambit, named after Emanuel Lasker, although it was first noted by Serafino Dubois (Hooper & Whyld 1996, p. 219). It is unusual in that it features an underpromotion as early as the seventh move.
1. d4 d5 2. c4 e5
3. dxe5 d4
4. e3?
4... Bb4+ 5. Bd2 dxe3! (see diagram)
6. Bxb4??
6... exf2+
7. Ke2 fxg1=N+! (see diagram)
8. Ke1 Qh4+ 9. Kd2
9... Nc6
Bibliography