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. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 ◀ Undo move

♞ You have reached Pirc Defense: Classical Variation B08 — the catalogued line ends exactly here.

Book continuations win% from 1.5M rated games

Be2 4 45% · 222 h3 1

Matching openings 6

Pirc Defense: Classical Variation, Quiet System B08 1 ply deeper
Pirc Defense: Classical Variation, Schlechter Variation B08 1 ply deeper
Pirc Defense: Classical Variation, Quiet System, Chigorin Line B08 4 plies deeper
Pirc Defense: Classical Variation, Quiet System, Czech Defense B08 4 plies deeper
Pirc Defense: Classical Variation, Quiet System, Parma Defense B08 4 plies deeper

…and 1 more lines run through this position — keep making moves to narrow it down.

3810 catalogued lines in total · openings encyclopedia