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Fast-paced chess puzzles. Choose a game mode to get started.
Haste
Solve puzzles before time runs out. New puzzles each run.
New puzzles each run
Countdown
Solve puzzles before time runs out. New level each day.
Next level in 16 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Next speedrun in 16 hours
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
Past 7 days
Most infinity puzzles solved
Ashvapathi
805
Mystic
487
ThunderMullet
353
notfromearth
313
andyhoff
296
Repetition levels completed
kamel
80
DanksterLee
40
Ashvapathi
37
Valandir
35
Drunkchess
23
Yesterday
Fastest speedruns
Ragark
65.1s
DanksterLee
65.2s
schwinggggg
74.4s
Ashvapathi
75.2s
ThunderMullet
78.8s
Countdown high scores
Drunkchess
90
tice_k
56
ThunderMullet
47
Ragark
42
s2004k1993
38
Today
Fastest speedruns
DanksterLee
83.9s
tice_k
96.0s
klooth
104.0s
flamehead
304.5s
ghdeodato
354.0s
Countdown high scores
klooth
59
Drunkchess
55
quirked
25
flamehead
24
cubesandpi
23
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