Train chess tactics
1 2 chess! is a tactics trainer built by chess lovers for chess lovers.
Why 1 2 chess!
Built by chess lovers, for chess lovers
Everything you need to turn daily practice into real rating gains.
Improve your chess
Prepare for real-life matches with a huge puzzle database and an intuitive interface — perfect for beginners and experts alike.
Anonymous user data
Build your tactics ELO solving puzzles suited to your level. We store only an anonymous device id; your privacy is guaranteed.
Tactics from real games
Every tactic comes from real tournament games. Browse the games and search for positions from the database.
New tactics every week
The database grows constantly, adding tactics from the last week's games — sourced from Mark Crowther's theweekinchess.com.
Mobile friendly
A cutting-edge web app that works on almost any device. Add it to your home screen to use it like a native app.
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Recommended chess books
Solving tactics every day is the fastest way to improve — and these classics are the perfect companions to that training.
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tactics in the database