D00Black4 book lines continue
Gunderam Defense
Blackmar-Diemer Gambit Accepted1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf5
Also known as Blackmar-Diemer: Gunderam Defence, Blackmar-Diemer Gambit: Tartakower Variation, Blackmar-Diemer Gambit, Tartakower Variation.