Since first becoming interested in the Blackmar-Diemer Gambit—almost forty years ago now—I’ve collected just about anything I could find on the opening, on Blackmar, on Diemer. Books, magazine articles, photos. correspondence, whatever. Scoresheets—here’s one I scanned from the original.
This is Diemer's scoresheet of one of a series of BDGs he played with Manfred Kloss in August 1959. On the back page he wrote:
A typical BDG game!
The sword of Damocles has won more victories than the sword of Caesar. (Khrushchev)
The goddess of victory surrenders only to he who courts her with strong will. (de Gaulle)
That’s heavy stuff, but I think it’s still okay to play the game just for the fun of it. No, really!