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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5
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Book continuations win% from 1.5M rated games
Matching openings 4
- Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit E23 1 ply deeper
- Nimzo-Indian Defense: Spielmann Variation, Carlsbad Variation E23 5 plies deeper
- Nimzo-Indian Defense: Spielmann Variation, Stahlberg Variation E23 5 plies deeper
- Nimzo-Indian Defense: Spielmann Variation, Stahlberg Variation E23 8 plies deeper
3810 catalogued lines in total · openings encyclopedia