Caissa Codex
D06

Queen's Gambit Declined: Baltic Defense trainer

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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: Baltic Defense

The Baltic Defense is 1.d4 d5 2.c4 Bf5, an unusual way to decline the Queen's Gambit. Play Black's moves of the line from memory — 1. d4 d5 2. c4 Bf5 — and the trainer plays White's replies; "Play the other side" turns it around.

"Drill all" adds the 4 named lines that continue it, such as Queen's Gambit Declined: Baltic Defense, Pseudo-Chigorin, Queen's Gambit Declined: Baltic Defense, Queen Attack, Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred, Queen's Gambit Declined: Baltic Defense, Argentinian Gambit.

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

https://chesscodex.org/train/queens-gambit-declined-baltic-defense