Your whole repertoire, in depth.
60 openings, 3573 named variations, every move explained and every mistake punished on the board. Everything can be tried for free; Premium opens the depth.
- The explorer of all 60 openings stays free: full tree, real stats, analysis bar.
- Every opening is playable for free: free play on the whole tree, review cards, the essential ★1 course.
- Real data, never invented: Lichess games and engine evaluations, verified move by move.
No credit card. Free stays free.
The shelf: 60 openings, all playable for free
Openings after 1. e425
- Sicilian Defense388 variations
- Ruy Lopez235 variations
- French Defense212 variations
- Italian Game187 variations
- Caro-Kann110 variations
- Scandinavian45 variations
- Alekhine Defense56 variations
- Scotch Game53 variations
- Vienna Game41 variations
- King's Gambit191 variations
- Petrov's Defense50 variations
- Four Knights Game49 variations
- Philidor Defense44 variations
- Bishop's Opening41 variations
- Center Game19 variations
- Ponziani Opening16 variations
- Pirc Defense28 variations
- Modern Defense28 variations
- Nimzowitsch Defense43 variations
- King's Pawn Game36 variations
- Pterodactyl Defense25 variations
- Latvian Gambit26 variations
- Owen Defense8 variations
- Three Knights Opening6 variations
- Danish Gambit8 variations
Openings after 1. d425
- Dutch Defense69 variations
- Queen's Gambit Declined198 variations
- Queen's Gambit Accepted58 variations
- Slav Defense52 variations
- Grünfeld Defense57 variations
- King's Indian Defense119 variations
- Nimzo-Indian Defense99 variations
- Benoni Defense61 variations
- Queen's Pawn Game66 variations
- Semi-Slav Defense70 variations
- Tarrasch Defense27 variations
- Queen's Indian Defense68 variations
- Catalan Opening32 variations
- Bogo-Indian Defense21 variations
- Benko Gambit24 variations
- Trompowsky Attack10 variations
- Indian Defense41 variations
- Blackmar-Diemer Gambit49 variations
- Neo-Grünfeld Defense16 variations
- Old Indian Defense14 variations
- Englund Gambit16 variations
- Richter-Veresov Attack8 variations
- English Defense7 variations
- Torre Attack6 variations
- London System7 variations
Flank openings10
On every opening: explorer, free play, cards and the ★1 course are free. Premium opens the full guide, ★2 to ★5 levels, per-variation courses and punishments.
Straight answers
- When can I cancel?
- Whenever you want, in two clicks. You keep Premium until the end of the period you already paid.
- What stays free?
- The essentials of all {openings} openings: the explorer, free play, review cards and the ★1 course.
- Does it work in my language?
- The app exists in French, English, Spanish, German and Italian, chess notation included.
- How is payment handled?
- By Stripe. We never see your card; the receipt arrives by email.