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. By default move orders are strict — flip the toggle to group by position and pull in transpositions.
1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4
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Book continuations win% from 1.5M rated games
Matching openings 4
- Philidor Defense: Lion Variation, Bishop Sacrifice C41 2 plies deeper
- Philidor Defense: Lion Variation, Lion's Claw, with Bc4 and h6 C41 3 plies deeper
- Philidor Defense: Nimzowitsch, Larobok Variation C41 4 plies deeper
- Philidor Defense: Lion Variation, Forcing Line C41 6 plies deeper
3810 catalogued lines in total · openings encyclopedia