Caissa Codex
E21

Nimzo-Indian Defense: Three Knights Variation, Shocron Gambit 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 Nimzo-Indian Defense: Three Knights Variation, Shocron Gambit

Play Black's moves of the line from memory — 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. d5 b5 — 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 Nimzo-Indian Defense: Three Knights Variation, Shocron Gambit page, or pick another opening in the opening trainer.

https://chesscodex.org/train/nimzo-indian-defense-three-knights-variation-shocron-gambit