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.
⚖ Grouping by position
Grouping by position: lines that reach this position by a different move order are included too.
1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Bb7
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Book continuations win% from 1.5M rated games
Matching openings 11
- Queen's Indian Defense: Kasparov-Petrosian Variation E12 1 ply deeper
- Queen's Indian Defense: Kasparov-Petrosian Variation, Andersson Variation E12 2 plies deeper
- Queen's Indian Defense: Kasparov-Petrosian Variation, Hedgehog Variation E12 2 plies deeper
- Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line E12 2 plies deeper
- Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense E12 2 plies deeper
- Queen's Indian Defense: Kasparov-Petrosian Variation, Classical Variation E12 4 plies deeper
- Queen's Indian Defense: Kasparov-Petrosian Variation, Modern Variation E12 4 plies deeper
- Queen's Indian Defense: Kasparov-Petrosian Variation, Kasparov Attack E12 5 plies deeper
- Queen's Indian Defense: Kasparov-Petrosian Variation, Petrosian Attack E12 5 plies deeper
- Queen's Indian Defense: Kasparov-Petrosian Variation, Rashkovsky Attack E12 5 plies deeper
- Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack E12 5 plies deeper
3810 catalogued lines in total · openings encyclopedia