Caissa Codex
C30

King's Gambit Declined: Classical, Svenonius Variation 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 King's Gambit Declined: Classical, Svenonius Variation

Play Black's moves of the line from memory — 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 exf4 — 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 King's Gambit Declined: Classical, Svenonius Variation page, or pick another opening in the opening trainer.

https://chesscodex.org/train/kings-gambit-declined-classical-svenonius-variation