Caissa Codex
C30

King's Gambit Declined: Classical 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 Variation

The Classical Variation is 1.e4 e5 2.f4 Bc5, a common way to decline the King's Gambit. Play Black's moves of the line from memory — 1. e4 e5 2. f4 Bc5 — and the trainer plays White's replies; "Play the other side" turns it around.

"Drill all" adds the 9 named lines that continue it, such as King's Gambit Declined: Classical, Soldatenkov Variation, King's Gambit Declined: Classical Variation, Rotlewi Countergambit, King's Gambit Declined: Classical Variation, Walthoffen Attack, King's Gambit Declined: Classical Variation, Rubinstein Countergambit, King's Gambit Declined: Classical, Hanham Variation, King's Gambit Declined: Classical Variation, Euwe Attack, King's Gambit Declined: Senechaud Countergambit, King's Gambit Declined: Classical, Réti Variation.

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

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