Caissa Codex
A18

English Opening: Mikenas-Carls 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 English Opening: Mikenas-Carls Variation

Play Black's moves of the line from memory — 1. c4 e6 2. Nc3 Nf6 3. e4 Nc6 — 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 English Opening: Mikenas-Carls Variation page, or pick another opening in the opening trainer.

https://chesscodex.org/train/english-opening-mikenas-carls-variation-2