About this opening
Grob Opening: Grob Gambit, Keres Gambit is an opening in the Encyclopedia of Chess Openings,
classified under code A00. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 7 half-moves from the
starting position, with the move sequence 1. g4 d5 2. Bg2 e5 3. d4 exd4 4. c3.
It belongs to the Grob Opening family.
Within that family this is a level-2 branch (the Grob Gambit → Keres Gambit line). The immediate parent line is Grob Opening: Grob Gambit, transitioned via 4.c3.
The opening sequence in prose form: 1.g4 d5, 2.Bg2 e5, 3.d4 exd4, 4.c3. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.