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 2 hours

Speedrun

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

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
donklemonglr
86
Silvia
83
JaviAlcanyiz_99
81
Laparrilla
64
Three high scores
Phenomenonly
56
dcc_london
53
Plattfuss
47
MSanand
45
threexk
40
Most infinity puzzles solved
korvmedmos97
990
WildheartGuff
707
Hayate_kun
226
law
179
droubbley
169
Past 24 hours
Haste high scores
JaviAlcanyiz_99
70
Phenomenonly
66
Laparrilla
64
HuLgO27
47
KirinoKousaka
44
Three high scores
Phenomenonly
45
MSanand
45
Plattfuss
41
twopawn
35
valen13221
26
Most infinity puzzles solved
WildheartGuff
103
law
75
Hayate_kun
74
Zsomborvagyok
18
Hars188
18
Yesterday
Fastest speedruns
Phenomenonly
87.6s
Ryan_Deering2000
97.8s
Kristian2504
110.5s
mikezchess
135.2s
prawnsacrifice
166.9s
Countdown high scores
Phenomenonly
91
Plattfuss
50
threexk
44
law
37
Vega9001
33
Unique puzzles solved
korvmedmos97
597
Phenomenonly
422
Maslenok
359
threexk
280
Vega9001
151
Today
Fastest speedruns
Phenomenonly
85.8s
Kristian2504
90.3s
Sensei_T
93.2s
Plattfuss
147.8s
valen13221
257.3s
Countdown high scores
Phenomenonly
54
Plattfuss
39
cezrun64
29
law
28
davidyomtobian
26
Unique puzzles solved
MSanand
510
Phenomenonly
375
Maslenok
196
Zsomborvagyok
139
Plattfuss
133

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
jugadatorrerifica
60
Maslenok
46
Smoclse
41
anh_ce
33
Rook endgames high scores
Phenomenonly
98
jugadatorrerifica
41
Maslenok
39
Zsomborvagyok
30
anh_ce
24
Openings high scores
Phenomenonly
93
jugadatorrerifica
35
Maslenok
28
Zsomborvagyok
23
anh_ce
21
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