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. Move orders, not transpositions — exactly the paths over the board. Prefer the family trees? Every opening page has one.

1. e4 e5 2. Nf3 Nc6 3. Bb5 ◀ Undo move

♞ You have reached Ruy Lopez C60 — the catalogued line ends exactly here.

Book continuations

a6 153 Nf6 37 f5 9 Bc5 8 d6 6 g6 4 d5 3 Bb4 2 Nd4 2 Nge7 2 Be7 1 Na5 1 Nb8 1 Qe7 1 a5 1 b6 1 f6 1 g5 1

Matching openings 235

Ruy Lopez: Alapin Defense C60 1 ply deeper
Ruy Lopez: Brentano Gambit C60 1 ply deeper
Ruy Lopez: Bulgarian Variation C60 1 ply deeper
Ruy Lopez: Cozio Defense C60 1 ply deeper
Ruy Lopez: Fianchetto Defense C60 1 ply deeper
Ruy Lopez: Lucena Variation C60 1 ply deeper
Ruy Lopez: Nürnberg Variation C60 1 ply deeper
Ruy Lopez: Pollock Defense C60 1 ply deeper
Ruy Lopez: Retreat Variation C60 1 ply deeper
Ruy Lopez: Rotary-Albany Gambit C60 1 ply deeper
Ruy Lopez: Spanish Countergambit C60 1 ply deeper
Ruy Lopez: Vinogradov Variation C60 1 ply deeper

…and 223 more lines run through this position — keep making moves to narrow it down.

3810 catalogued lines in total · openings encyclopedia