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Weinsbach Defense
Blackmar-Diemer Gambit Declined1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e6
Also known as Blackmar-Diemer: Weinspach Defence, Blackmar-Diemer Gambit Declined, Weinsbach Declination, Blackmar-Diemer Gambit, Declined.