Caissa Codex
A47

Marienbad System 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 Marienbad System

Play Black's moves of the line from memory — 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 — and the trainer plays White's replies; "Play the other side" turns it around.

"Drill all" adds the 1 named line that continue it, such as Marienbad System: Berg Variation.

Read about the line, its statistics on Lichess and Stockfish's evaluation on the Marienbad System page, or pick another opening in the opening trainer.

https://chesscodex.org/train/marienbad-system