Slav Defense Diemer Gambit (1.d4 d5 2.c4 c6 3.e4) Chess Puzzles

The Slav Defense Diemer Gambit is a sharp Slav sideline where Black offers (or has already offered) a pawn to gain rapid development and attacking chances against White’s center. In many transpositions, the defining feature is a Diemer-style pawn sacrifice in the Slav structure, aiming to activate pieces quickly rather than hold material. Because this is an obscure variation, the exact, universally agreed move order is not consistently documented across sources, so the most reliable way to identify it is by the resulting pawn sacrifice and piece-activity plan typical of the Diemer approach.