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
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Matching openings 31
- Semi-Slav Defense: Main Line D45 3 plies deeper
- Semi-Slav Defense: Accelerated Meran Variation D45 4 plies deeper
- Semi-Slav Defense: Normal Variation D45 4 plies deeper
- Semi-Slav Defense: Stoltz Variation D45 5 plies deeper
- Semi-Slav Defense: Main Line D46 5 plies deeper
- Semi-Slav Defense: Bogoljubow Variation D46 6 plies deeper
- Semi-Slav Defense: Chigorin Defense D46 6 plies deeper
- Semi-Slav Defense: Romih Variation D46 6 plies deeper
- Semi-Slav Defense: Stoltz Variation D45 7 plies deeper
- Semi-Slav Defense: Chigorin Defense D46 7 plies deeper
- Semi-Slav Defense: Semi-Meran Variation D47 7 plies deeper
- Semi-Slav Defense: Stoltz Variation D45 8 plies deeper
…and 19 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia