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Think ahead. Make your move.
A little patience. A brilliant idea. Solve a puzzle, take on Stockfish or meet a friend across the board.
Find your spark in a puzzle, build confidence with a bot, or challenge a friend.
You play White. Take your time — there’s no clock.
Win: — points · Draw: — points
Every great game starts with one move.
Puzzles: 25–75 points, once per puzzle. Bot wins: 50 / 100 / 150 for Easy / Medium / Hard; draws: 10 / 20 / 30. Bot losses: 0. Maximum 300 bot points per UTC day.
Online: win 120, draw 40, loss 10. Both players must make at least four moves before a match can award points. Only your first three rewarded games against the same opponent each UTC day count, up to 600 online points daily. Early resignations and cancelled games award no points. Replaying puzzles is always available for practice.
Moves and rewards are checked and saved on the server. Stockfish 18 runs as a WebAssembly engine. An internet connection is required.
Stockfish source & GPL licenceHow to play
Select, then move
Select a piece to see its legal moves. Select a highlighted square to move. Use the arrow keys to explore the board and Enter to select.
Solve the tactic
Find the mating move or sequence. Read a hint when you need one. Each puzzle awards points once.
Play together
Create a private room and share its code. White moves first. Games save after every turn, so you can return later.
All-time high scorers
One row per player, showing their best single run.
Chess rewards join your ZivoCloud points and your game history. See the reward rules inside the game.