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. Nf3 d5 2. d4 Nf6 3. e3
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♞ You have reached Queen's Pawn Game: Colle System D04 — the catalogued line ends exactly here.
Book continuations win% from 1.5M rated games
Matching openings 12
- Queen's Pawn Game: Colle System, Anti-Colle D04 1 ply deeper
- Queen's Pawn Game: Colle System D05 1 ply deeper
- Queen's Pawn Game: Colle System D05 2 plies deeper
- Queen's Pawn Game: Colle System D05 2 plies deeper
- Queen's Pawn Game: Colle System, Grünfeld Formation D04 3 plies deeper
- Queen's Pawn Game: Colle System D05 5 plies deeper
- Queen's Pawn Game: Colle System D05 6 plies deeper
- Queen's Pawn Game: Colle System D05 6 plies deeper
- Rubinstein Opening: Semi-Slav Defense D05 8 plies deeper
- Rubinstein Opening: Semi-Slav Defense D05 9 plies deeper
- Rubinstein Opening: Semi-Slav Defense D05 10 plies deeper
…and 1 more lines run through this position — keep making moves to narrow it down.
3810 catalogued lines in total · openings encyclopedia