A00

Ware Opening: Cologne Gambit 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 Ware Opening: Cologne Gambit

Play Black's moves of the line from memory — 1. a4 b6 2. d4 d5 3. Nc3 Nd7 — and the trainer plays White's replies; "Play the other side" turns it around.

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