Blackmar-Diemer Gambit Accepted: Bogoljubow Defense

1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 g6

ECO D00

The Blackmar-Diemer Gambit Accepted: Bogoljubow 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 g6.

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

The defining move g6 is chosen by Black on move 5.

4 named continuations branch from this position, including the Kloss Attack and the Mad Dog Attack.

Named variations

• Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Kloss Attack — ECO D00
• Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Mad Dog Attack — ECO D00
• Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Nimzowitsch Attack — ECO D00
• Blackmar-Diemer Gambit Accepted: Bogoljubow Defense, Studier Attack — ECO D00

Do you want to learn openings?

Start with a GM-authored repertoire you study move by move, then practice against a human-like AI opponent:

• Catalan Opening
• King's Indian Defense with ...e5

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