Achievements

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

Three

Three minutes, three lives,
three hints
New puzzles each run

Countdown

Solve puzzles before time runs out. New level each day.
Next level in 4 hours

Speedrun

Solve a sequence of puzzles as quickly as you can.
Theme: Quiet Move

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
Haste high scores
Phenomenonly
100
Origynalx3
96
JaviAlcanyiz_99
93
Laparrilla
88
messyanswer
83
Three high scores
Phenomenonly
56
dcc_london
56
Plattfuss
53
LeafySnack
50
KirinoKousaka
47
Most infinity puzzles solved
WildheartGuff
744
Pr4teek7
432
droubbley
282
PitiMelon
269
TparTR
202
Past 24 hours
Haste high scores
Phenomenonly
76
JaviAlcanyiz_99
71
saviotheattacker
48
threexk
43
roscaenall
35
Three high scores
dcc_london
56
Phenomenonly
55
threexk
46
lyllw46
28
Tubular17
26
Most infinity puzzles solved
droubbley
229
threexk
167
Hayate_kun
114
WildheartGuff
100
Maslenok
31
Yesterday
Fastest speedruns
LeafySnack
72.6s
Kristian2504
88.9s
Konstantin0201
101.1s
agndum
145.5s
Vega9001
183.9s
Countdown high scores
Phenomenonly
83
LeafySnack
58
SomeGuyIgloo
52
Vega9001
29
alexpecam
18
Unique puzzles solved
Phenomenonly
409
dcc_london
392
JaviAlcanyiz_99
260
LeafySnack
259
AryehPaniel
173
Today
Fastest speedruns
Kristian2504
92.7s
Phenomenonly
106.5s
Konstantin0201
237.6s
valen13221
321.2s
Antichess2
328.5s
Countdown high scores
Phenomenonly
82
valen13221
33
Tubular17
31
Antichess2
29
lyllw46
24
Unique puzzles solved
Phenomenonly
695
threexk
513
JaviAlcanyiz_99
445
dcc_london
348
droubbley
229

Themed chess puzzle sets.

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

Mate in one

Practice checkmate in one move. Great for beginners.

Rook endgames

The most common type of piece endgames.

Openings

Practice tactical patterns from chess openings.
Past 3 days
Mate in one high scores
Phenomenonly
100
dcc_london
100
LeafySnack
100
Vicky
55
anh_ce
35
Rook endgames high scores
Phenomenonly
98
dcc_london
83
LeafySnack
74
Vicky
42
JRoger
28
Openings high scores
AryehPaniel
45
anh_ce
24
Site updates
Sep 22, 2025
You can now customize the pieces on your board
Sep 17, 2025
Game mode puzzles have been upgraded to use the latest Lichess puzzle database
Aug 17, 2025
After selecting a game mode, you can now resize the chessboard via the icon in the bottom-right corner.
May 23, 2021
You can now create and play custom puzzle sets. This feature is still early in development. Feedback is welcome!
Dec 19, 2020
You can now use right click to draw shapes on the board. Click to draw circles. Click and drag to draw arrows.
Dec 15, 2020
When you view puzzles after a haste round, puzzles you made mistakes on will now be clearly shown.
Dec 8, 2020
A new game mode (Three) is in beta. Have fun and let us know what you think!
Oct 7, 2020
Click the "view puzzles" button after a speedrun or haste round to view the puzzles you saw during the round.
Oct 1, 2020
If you forgot your password and signed up with an email, you can reset your password here.
Feb 26, 2019
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, 2019
Turn sounds on/off using the volume icon in the header
Feb 21, 2019
You can now customize your board colors
Links
Join the Discord channel
Practice endgame positions
ScoreboardAbout