Grob Opening: Grob Gambit, Richter-Grob Gambit

The Grob Opening: Grob Gambit, Richter-Grob Gambit is a chess opening classified under ECO code A00 in the Flank Openings family, characterized by moves like 1.c4, 1.Nf3, or 1.f4, aiming to control the center indirectly. It is reached after 4 moves: 1. g4 d5 2. Bg2 c6 3. c4 dxc4 4. b3. The resulting position leaves black to move.