About this opening
Queen's Pawn Game: Liedmann Gambit is an opening in the Encyclopedia of Chess Openings,
classified under code A43. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 5 half-moves from the
starting position, with the move sequence 1. d4 c5 2. c4 cxd4 3. e3.
It belongs to the Queen's Pawn Game family. Within that family this is a sub-variation (the Liedmann Gambit line).
The opening sequence in prose form: 1.d4 c5, 2.c4 cxd4, 3.e3. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.