Opening Overview
Blackmar-Diemer Gambit
18 linesAbout This Opening
White gambits a pawn for fast development and attacking chances.
The main practical question is whether the side offering material can keep the initiative long enough to justify the concession. Expect open lines, active pieces, and tactical moments around the king and center.
For training, focus on the standard responses, the point where the gambit can be accepted or declined, and the central counterplay that prevents the attack from becoming one-sided.
Key ideas
- Typical theme: activity and initiative over immediate material balance.
- Watch for early tactical shots and forcing move orders.
- Best for players who want sharp, practical positions.
- Study both acceptance and refusal plans so you know the main branches.
Choose a variation
Blackmar-Diemer Gambit
1. d4 d5 2. e4
Blackmar-Diemer Gambit
1. d4 d5 2. e4 dxe4 3. Nc3 Nf6
Blackmar-Diemer Gambit: Blackmar Gambit
1. d4 d5 2. e4 dxe4 3. f3
Blackmar-Diemer Gambit: Diemer-Rosenberg Attack
1. d4 d5 2. e4 dxe4 3. Be3
Blackmar-Diemer Gambit: Fritz Attack
1. d4 d5 2. e4 dxe4 3. Bc4
Blackmar-Diemer Gambit: Lemberger Countergambit
1. d4 d5 2. e4 dxe4 3. Nc3 e5
Blackmar-Diemer Gambit: Lemberger Countergambit, Endgame Variation
1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. dxe5
Blackmar-Diemer Gambit: Lemberger Countergambit, Lange Gambit
1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Nxe4
Blackmar-Diemer Gambit: Lemberger Countergambit, Rasmussen Attack
1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Nge2
Blackmar-Diemer Gambit: Lemberger Countergambit, Sneiders Attack
1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Qh5
Blackmar-Diemer Gambit: Lemberger Countergambit, Soller Attack
1. d4 d5 2. e4 dxe4 3. Nc3 e5 4. Be3
Blackmar-Diemer Gambit: Netherlands Variation
1. d4 d5 2. e4 dxe4 3. Nc3 f5