Blackmar-Diemer Gambit Accepted: Ritter Defense
ECO D00 ยท Blackmar-Diemer Gambit Accepted
The Blackmar-Diemer Gambit Accepted: Ritter Defense (D00) is a chess opening in the Blackmar-Diemer Gambit Accepted family, played by Black. It arises after the moves 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 b6.
Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 b6
About this opening
The Ritter Defense (5...b6) prepares the queen's bishop fianchetto to b7 to control the long diagonal and the e4 square. Black aims for solid development and neutralization of White's attack through control of the light central squares. It is a rare but coherent reply to the accepted Blackmar-Diemer, relying on long-range pressure rather than frontal defense.