Blackmar-Diemer Gambit Accepted: Ritter Defense

1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 b6

ECO D00

The Blackmar-Diemer Gambit Accepted: Ritter Defense is a chess opening line in the Blackmar-Diemer Gambit Accepted complex, reached after 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 b6.

It is catalogued under code D00 in the Encyclopaedia of Chess Openings (ECO).

The defining move b6 is chosen by Black on move 5.

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Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.