Queen's Pawn Game: Liedmann Gambit is a chess opening with the ECO code A43, part of the Queen's Pawn Game family. It goes 1. d4 c5 2. c4 cxd4 3. e3. White opens with 1. d4 (the queen's pawn) and Black answers 1... c5. After 5 moves it is Black to move. After the last move Black is a pawn ahead in material. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. d4 – White plays the pawn to d4
1... c5 – Black plays the pawn to c5
2. c4 – White plays the pawn to c4
2... cxd4 – Black captures on d4 with the c-pawn
3. e3 – White plays the pawn to e3
About the Queen's Pawn Game
White opens with 1.d4 and plays a system without an early c4. It covers many calm setups like the Colle, London and Zukertort ideas.
White develops simply: Nf3, e3 or Bf4, Bd3, O-O.
A typical plan is the e4 push, often prepared with Nbd2 and c3.
Black has easy equality with ...d5, ...Nf6 and ...c5, so play actively.