Albin Countergambit
From Conservapedia
The Albin Countergambit is a response in chess to the Queen's Gambit as follows:
1. d4 d5
2. c4 e5
typically followed:
3. dxe5 d4
The result is that Black gains a positional advantage by taking control with a pawn at d4. White may then sacrifice a pawn of its own in order to regain parity in position.
