D20

Queen's Gambit Accepted: Old Variation, Billinger 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 Queen's Gambit Accepted: Old Variation, Billinger Gambit

Play White's moves of the line from memory — 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. a3 — and the trainer plays Black's replies; "Play the other side" turns it around.

Read about the line, its statistics on Lichess and Stockfish's evaluation on the Queen's Gambit Accepted: Old Variation, Billinger Gambit page, or pick another opening in the opening trainer.