It's the same as IdeaTactics free but without Play Games integration and plus:

- Stats and player ELO rating calculation
- Information about the game source of the problem is shown
- ELO of the problem is shown
- Copy position to clipboard as FEN string (to analyze the position for example with DroidFish)
- Buffer to store problems for offline usage
- No Advertising

Before buying this version try the free one with advertising.
Over 20,000 free chess tactics problems to learn and improve your skills in this fascinating game or just to have fun and keep your brain active!
Available 7 difficulty levels that make the puzzle proposed suitable for both beginners and chess master!
All exercises are taken from games played in the most important chess tournaments in the world.