A00

Grob Opening: Double Grob trainer

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

Practise the Grob Opening: Double Grob

Play Black's moves of the line from memory — 1. g4 g5 — and the trainer plays White's replies; "Play the other side" turns it around.

"Drill all" adds the 1 named line that continue it, such as Grob Opening: Double Grob, Coca-Cola Gambit.

Read about the line, its statistics on Lichess and Stockfish's evaluation on the Grob Opening: Double Grob page, or pick another opening in the opening trainer.