Blackmar-Diemer Gambit: Brombacher Counter Gambit: 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c5

This is a chess monograph called "Blackmar-Diemer Gambit: Brombacher Counter Gambit" which explores this chess opening: "1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c5". The author has collected 48 completed chess games which are recorded in Algebraic Chess Notation. And there are 43 chess diagrams, too.