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Train where your knowledge ends.

In every opening there is a move where your knowledge ends. Mansuba finds it in your Lichess games, checked against the opening book, and trains you exactly there.

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717.8 million
games read
74.2 million
games with an engine rating
4.4 billion
engine ratings used

How the numbers are made

01

See a position

A real position where most players slip.

02

Play your move

Find the best move. Optionally guess the most played one.

03

See where it goes wrong

The engine's verdict next to what most players play.

Now try it on your own games.

Enter your Lichess name. The first cards appear while your games are still being analysed.

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