Marienbad System — opening family
2 catalogued lines · ECO A47–A47
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The shortest catalogued line of the family runs 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 c5 — the position below. The continuation chips count how many catalogued lines extend this head with each next move; any branch can be explored on the interactive tree and played against the engine from there.
Main continuations
All 2 lines
| Name | ECO | Main line length |
|---|---|---|
| Marienbad System | A47 | 8 plies |
| Marienbad System: Berg Variation | A47 | 11 plies |