Home › Openings › Grob Opening Grob Opening: Spike Attack ECO A00 · 1. g4 d5 2. Bg2 c6 3. g5 Related variationsGrob Opening: Double GrobGrob Opening: Grob GambitGrob Opening: Zilbermints GambitGrob Opening: Keene DefenseGrob Opening: Alessi GambitGrob Opening: Grob Gambit DeclinedGrob Opening: London DefenseGrob Opening: Spike, Hurst AttackGrob Opening: Romford Countergambit Practice this opening · Play against the computer