Opening explorer
Walk any move order through the catalog: pick a book continuation and watch the board, or open the matching ECO lines on the side. Move orders, not transpositions — exactly the paths over the board. Prefer the family trees? Every opening page has one.
1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7
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♞ You have reached Semi-Slav Defense: Normal Variation D45 — the catalogued line ends exactly here.
Matching openings 26
- Semi-Slav Defense: Stoltz Variation D45 1 ply deeper
- Semi-Slav Defense: Main Line D46 1 ply deeper
- Semi-Slav Defense: Bogoljubow Variation D46 2 plies deeper
- Semi-Slav Defense: Chigorin Defense D46 2 plies deeper
- Semi-Slav Defense: Romih Variation D46 2 plies deeper
- Semi-Slav Defense: Stoltz Variation D45 3 plies deeper
- Semi-Slav Defense: Chigorin Defense D46 3 plies deeper
- Semi-Slav Defense: Semi-Meran Variation D47 3 plies deeper
- Semi-Slav Defense: Stoltz Variation D45 4 plies deeper
- Semi-Slav Defense: Meran Variation D47 4 plies deeper
- Semi-Slav Defense: Chigorin Defense D46 5 plies deeper
- Semi-Slav Defense: Chigorin Defense D46 5 plies deeper
…and 14 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia