Ideachess is a free site that aims to help chess-lovers improve their game by solving online interactive checkmate and tactics puzzles.
The main feature of Ideachess is a built-in real-time tactical chess engine that immediately refutes wrong solutions.
All exercises are now available, without registering. Click on the
menu item Checkmate
to find checkmate puzzles organized by number of moves,
or on menu item
Tactics
for tactical exercises organized by degree of difficulty.
Registration is free, and allows you to track your progress with
statistics and graphs, to evaluate your abilities by the Glicko Elo rating
system, to have exercises assigned to you based on your actual strength, and
to be included on our "best tacticians" rankings, plus much more.
You can also play chess online against the computer by clicking on menu item Play.
Enjoy!