Caissa Codex
A29

English Opening: King's English Variation, Four Knights Variation, Fianchetto Line 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 English Opening: King's English Variation, Four Knights Variation, Fianchetto Line

Play Black's moves of the line from memory — 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 — and the trainer plays White's replies; "Play the other side" turns it around.

"Drill all" adds the 2 named lines that continue it.

Read about the line, its statistics on Lichess and Stockfish's evaluation on the English Opening: King's English Variation, Four Knights Variation, Fianchetto Line page, or pick another opening in the opening trainer.

https://chesscodex.org/train/english-opening-kings-english-variation-four-knights-variation-fianchetto-line-2