Caissa Codex
D06

Queen's Gambit Declined: Austrian Defense, Gusev Countergambit 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: Austrian Defense, Gusev Countergambit

Play Black's moves of the line from memory — 1. d4 d5 2. c4 c5 3. cxd5 Nf6 — 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 Queen's Gambit Declined: Austrian Defense, Haberditz Variation.

Read about the line, its statistics on Lichess and Stockfish's evaluation on the Queen's Gambit Declined: Austrian Defense, Gusev Countergambit page, or pick another opening in the opening trainer.

https://chesscodex.org/train/queens-gambit-declined-austrian-defense-gusev-countergambit