Scoreboard About

Fast-paced chess puzzles. Choose a game mode to get started.

Haste

Combos gain time. Mistakes lose time. New puzzles each run.

New puzzles each run

Countdown

Solve puzzles before time runs out. New level each day.

Next level in 19 hours

Speedrun

Solve a sequence of puzzles as quickly as you can.

Next speedrun in 19 hours

Rated

Solve puzzles quickly to gain more rating points.

Your rating: Unrated

Infinity

Play through endless puzzles. Set your own difficulty.

Sign up to track your progress

Repetition

Quickly solve puzzles without mistakes to unlock the next level.

Level 1 — Just warming up
Yesterday
Fastest speedruns
62.5s
64.5s
67.8s
79.9s
Countdown high scores
65
42
36
Past 24 hours
Haste high scores
39
35
25
Most infinity puzzles solved
151
114
99
99
Today
Fastest speedruns
101.3s
313.8s
Countdown high scores
18
5
Recent updates
Feb 26
Rated mode is now in beta. Expect a rating reset in the future after puzzle ratings stabilize and tweaks are made to the rating system. More features to come.
Feb 24
Turn sounds on/off using the volume icon in the header
Feb 21
Links