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 8 hours

Speedrun

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

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
Kayrosas
100
Origynalx3
97
Silvia
95
JaviAlcanyiz_99
91
tusharmurali
89
Three high scores
Kayrosas
57
KirinoKousaka
56
Plattfuss
48
JaviAlcanyiz_99
46
RishadanPort
39
Most infinity puzzles solved
WildheartGuff
815
droubbley
376
Vega9001
184
hnzngrmpf
119
glushko
101
Past 24 hours
Haste high scores
tusharmurali
89
RishadanPort
66
Plattfuss
63
threexk
58
chuss
33
Three high scores
KirinoKousaka
56
Plattfuss
39
RishadanPort
39
Arnaust7
36
threexk
30
Most infinity puzzles solved
WildheartGuff
102
Ohanna_2020
85
FlipTunic61
66
Dipak
26
Lohu79
23
Yesterday
Fastest speedruns
AkselWellington
49.2s
Kristian2504
83.6s
Kayrosas
95.3s
Plattfuss
103.0s
Konstantin0201
155.8s
Countdown high scores
Kayrosas
67
RishadanPort
57
SomeGuyIgloo
56
Plattfuss
53
Vega9001
38
Unique puzzles solved
Kayrosas
1517
RishadanPort
500
anh_ce
210
i_sei
190
Silvia
182
Today
Fastest speedruns
Konstantin0201
102.0s
somniatori
124.5s
threexk
137.2s
Countdown high scores
threexk
50
somniatori
48
MaidenKnight
39
alexpecam
25
Unique puzzles solved
tusharmurali
587
anh_ce
223
threexk
217
RishadanPort
198
WildheartGuff
102

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
jugadatorrerifica
60
eustasiv
58
Vicky
55
smuratore
53
AryehPaniel
49
Rook endgames high scores
jugadatorrerifica
49
Vicky
42
eustasiv
29
anh_ce
28
Openings high scores
Kayrosas
84
smuratore
38
AryehPaniel
37
Vicky
34
jugadatorrerifica
33
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