Blackmar-Diemer Gambit: Lemberger Countergambit

An entry in the Encyclopedia of Chess Openings (ECO D00), reached after 6 half-moves: 1. d4 d5 2. e4 dxe4 3. Nc3 e5.

Black rook — Use ← → arrows or click moves to step through.

Black knight — Use ← → arrows or click moves to step through.

Continue from this position

5 replies continue into sub-variations from this position. Click any to drill deeper.

4.Be3 1 line
- D00 Soller Attack
4.dxe5 1 line
- D00 Endgame Variation
4.Nge2 1 line
- D00 Rasmussen Attack
4.Nxe4 1 line
- D00 Lange Gambit
4.Qh5 1 line
- D00 Sneiders Attack

About this opening

Blackmar-Diemer Gambit: Lemberger Countergambit is an opening in the Encyclopedia of Chess Openings, classified under code D00. ECO group D (D00–D99) covers closed games and semi-closed games beginning 1.d4 d5, covering the Queen's Gambit, Slav, Grünfeld and related queen-pawn structures. This particular variation is reached after 6 half-moves from the starting position, with the move sequence 1. d4 d5 2. e4 dxe4 3. Nc3 e5.

It belongs to the Blackmar-Diemer Gambit family. Within that family this is a sub-variation (the Lemberger Countergambit line).

The opening sequence in prose form: 1.d4 d5, 2.e4 dxe4, 3.Nc3 e5. From this position 5 named continuations are recorded in the encyclopaedia, each leading to a distinct theoretical line.