Caissa Codex
E79

King's Indian Defense: Four Pawns Attack, Exchange Variation 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 King's Indian Defense: Four Pawns Attack, Exchange Variation

Play White's moves of the line from memory — 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. Be2 cxd4 8. Nxd4 Nc6 9. Be3 — and the trainer plays Black'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 Indian Defense: Four Pawns Attack, Exchange Variation page, or pick another opening in the opening trainer.

https://chesscodex.org/train/kings-indian-defense-four-pawns-attack-exchange-variation