Blackmar-Diemer Gambit Accepted: Gunderam Defense, Stader Variation
1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3 exf3 5.Nxf3 Bf5 6.Ne5 e6 7.g4 Be4
The Blackmar-Diemer Gambit Accepted: Gunderam Defense, Stader Variation 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 Bf5 6.Ne5 e6 7.g4 Be4.
It is catalogued under code D00 in the Encyclopaedia of Chess Openings (ECO).
The defining move Be4 is chosen by Black on move 7.
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:
Every chess term used here is defined in the chess terms glossary. Browse all opening courses or the full ECO code index.