Here is a Blackburne-Hartlaub Gambit with colors reversed: 1 e4 d5 2 d3 de 3 Nc3 ed 4 Bd3.
Blackmar-Diemer and other e|d2e-gambits
![Yigor](https://images.chesscomfiles.com/uploads/v1/user/4187779.d95e90bc.50x50o.531238e4c0c3.png)
Here is a Blackburne-Hartlaub Gambit with colors reversed: 1 e4 d5 2 d3 de 3 Nc3 ed 4 Bd3.
Thanx Chucky, I didn't know this one!
![Yigor](https://images.chesscomfiles.com/uploads/v1/user/4187779.d95e90bc.50x50o.531238e4c0c3.png)
Bird Opening: Dutch Variation, Batavo Gambit (A02)
1.f4 d5 2.Nf3 c5 3.e4 dxe4
Bird Opening: Williams Gambit (A02)
1.f4 d5 2.e4 dxe4 3.Nc3 Nf6 4.Qe2
![Yigor](https://images.chesscomfiles.com/uploads/v1/user/4187779.d95e90bc.50x50o.531238e4c0c3.png)
Section A00 contains a large quantity of e|2de-gambits. Here's the full list from Game Explorer.
Barnes Opening: Gedult Gambit #1 (A00)
1.f3 d5 2.e4 g6 3.d4 dxe4 4.c3
Grob Opening: Zilbermints Gambit (A00)
1.g4 d5 2.e4 dxe4 3.Nc3
Grob Opening: Zilbermints Gambit, Schiller Defense (A00)
1.g4 d5 2.e4 dxe4 3.Nc3 h5
Grob Opening: Zilbermints Gambit, Zilbermints-Hartlaub Gambit (A00)
1.g4 d5 2.e4 dxe4 3.Nc3 e5 4.d3
Van Geet Opening: Berlin Gambit (A00)
1.Nc3 Nc6 2.d4 d5 3.e4 dxe4 4.d5
Van Geet Opening: Dougherty Gambit (A00)
1.Nc3 d5 2.e4 dxe4 3.f3
Van Geet Opening: Dunst-Perrenet Gambit (A00)
1.Nc3 d5 2.e4 dxe4 3.d3
Van Geet Opening: Gladbacher Gambit (A00)
1.Nc3 e5 2.b3 d5 3.e4 dxe4 4.d3
Van Geet Opening: Gruenfeld Defense, Steiner Gambit (A00)
1.Nc3 d5 2.e4 dxe4 3.Nxe4 e5 4.f4
Van Geet Opening: Hector Gambit (A00)
1.Nc3 d5 2.e4 dxe4 3.Bc4
Polish Opening: Orangutan-Diemer Gambit (A00)
1.b4 d5 2. Bb2 Qd6 3. a3 e5 4. e4 dxe4 5. f3
1 d4 d5 2 e4 de 3 f3? is the original Blackmar Gambit, which is considered to be refuted by theorists after 3...e5! The Lemberger occurs in the BDG: 1 d4 d5 2 e4 de 3 Nc3 e5, which is strong for Black, but not a bust to the BDG as is 3...e5 against the Blackmar Gambit.