Blackmar-Diemer Gambit Accepted is a chess opening with the ECO code D00. It goes 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3. White opens with 1. d4 (the queen's pawn) and Black answers 1... d5. After 8 moves it is White to move. After the last move Black is 2 points ahead in material. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. d4 – White plays the pawn to d4
1... d5 – Black plays the pawn to d5
2. e4 – White plays the pawn to e4
2... dxe4 – Black captures on e4 with the d-pawn
3. Nc3 – White plays the knight to c3
3... Nf6 – Black plays the knight to f6
4. f3 – White plays the pawn to f3
4... exf3 – Black captures on f3 with the e-pawn
About the Blackmar-Diemer Gambit Accepted
White gives a pawn with 1.d4 d5 2.e4 dxe4 3.Nc3 Nf6 4.f3, and Black takes with ...exf3. White gets fast development and an open f-file for attack.
White recaptures with Nxf3 and plays Bd3, O-O and Qe1-h4 to attack.
The rook on f1 hits f7 down the open f-file.
Black is a pawn up; calm development with ...e6 or ...g6 usually holds.
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