1 2 chess! is a tactics trainer built by chess lovers for chess lovers.
1 2 chess! will prepare you for real-life matches. With a huge database of chess puzzles and an intuitive interface, it's the perfect tool for beginners and experts alike.
Build your tactics ELO rating by solving tactics suited to your current level. We store only an anonymous device id; your privacy is guaranteed.
All the tactics are from real tournament games played in recent years. You can browse the games and search for games with the same positions in the database.
The 1 2 chess! tactics database grows constantly, adding tactics from games played in the last week. The games' source is Mark Crowther's theweekinchess.com.
1 2 chess! is a cutting-edge web app and it works on almost any mobile device. Select "Add to Home screen" from your mobile browser to place it on your home screen as a normal app.
Solving tactics every day is the fastest way to improve — and these books are the classic companions to that training. A few of our favourites:
1 2 chess! posts as @12chess@mastodon.social one chess tactic every hour.