Blackmar-Diemer Gambit Accepted: Teichmann Defense
ECO D00 ยท Blackmar-Diemer Gambit Accepted
The Blackmar-Diemer Gambit Accepted: Teichmann Defense (D00) is a chess opening in the Blackmar-Diemer Gambit Accepted family, played by Black. It arises after the moves 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4.
Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4
About this opening
The Teichmann Defense (5...Bg4) is regarded as one of the best replies to the accepted Blackmar-Diemer: the bishop pins the f3 knight and immediately challenges White's main attacker, slowing the kingside initiative. Black aims to neutralize the pressure and keep the extra pawn. It is the reference line to calmly refute the gambit through precise development.