Chess or Othello — every move is analyzed by the AI, so playing itself becomes practice. Choose your dojo.
What is Game Dojo
A strong AI analyzes every move, so you build your thinking just by playing. Chess or Othello — the dojo works the same way.
Every move is rated — Best, Good, Mistake, Blunder. See at a glance where the game turned.
Open it and start in seconds. No account, no install.
Played a weak move? Take it back. Compare it with another and see for yourself why one is better.
Works on phone, tablet, and desktop. Add it to your home screen and launch it like an app, one tap.
The more feedback you get, the better you read a position. Good moves start to look obvious.
Available games
Both free, no signup. Every move gets evaluated, so you improve just by playing.
The classic game of deep thinking. Every move rated — Best, Good, Mistake, Blunder — with guides from the opening to the endgame.
Enter the Chess Dojo →Simple rules, deep reading. A strong engine evaluates every position, with hints and move scoring to sharpen your play.
Enter the Othello Dojo →Test yourself
Pick the best move on the board. Train your eye for forks, pins, skewers, and mates — a fresh puzzle every day.
Pick one of the three candidate moves and press Confirm to see the answer, explained with an arrow on the board. Want to learn more? Read Essential Chess Tactics.
Test yourself · Othello
From an endgame position, pick the move that wins by the most discs. Every answer is verified by exhaustive engine search. A fresh puzzle every day.
Pick a square and press Confirm to see the answer and the discs it flips. New to Othello? Read the Othello guides.