Keep your openings in sync

King’s Cross is the easiest way to keep track of your chess openings: Consolidate your repertoire in one place, explore new variations, practice your openings and analyze your training over time. King’s Cross helps you gain confidence in your openings.

An iPhone and iPad running King’s Cross

Your repertoire at a glance

Consolidate your openings in one place which is synchronized across all your Apple devices. King’s Cross makes it easy to keep your variations consistent in all of your openings and record transpositions without entering moves twice. The Stockfish engine helps you explore critical lines.

Screenshot of King’s Cross showing an opening

Train your openings

Practice all moves in your variations and improve your opening skills. Analyze your training progress over time and gain confidence in your repertoire.

Screenshot of King’s Cross showing the training of an opening

Access from anywhere

King’s Cross is available on iPhone and iPad and kept in sync across all your devices. We store your repertoire securely in he cloud, so you’ll always have a backup but we’re not locking you in, you can import and export your openings in PGN format any time.

An iPad and iPhone running King’s Cross simultaneously