Caissa Codex
D08

Queen's Gambit Declined: Albin Countergambit, Lasker Trap trainer

Back to the opening, all openings to practise or my repertoire

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 Declined: Albin Countergambit, Lasker Trap

Play Black's moves of the line from memory — 1. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Bb4+ 5. Bd2 dxe3 — 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 Queen's Gambit Declined: Albin Countergambit, Lasker Trap page, or pick another opening in the opening trainer.

https://chesscodex.org/train/queens-gambit-declined-albin-countergambit-lasker-trap