D00BlackEnd of book
Pietrowsky Defense
Blackmar-Diemer Gambit Accepted1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nc6
Also known as Blackmar-Diemer Gambit: Pietrowsky Defense, Blackmar-Diemer Gambit, Pietrowsky Defense, Pietrowsky Variation, BDG.