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 7 hours

Speedrun

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

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
50
JaviAlcanyiz_99
46
RishadanPort
39
Most infinity puzzles solved
WildheartGuff
728
droubbley
519
FlipTunic61
162
hnzngrmpf
142
Vega9001
117
Past 24 hours
Haste high scores
josgar05
86
Plattfuss
62
i_sei
42
Laparrilla
39
HuLgO27
39
Three high scores
Plattfuss
50
cezrun64
30
twopawn
28
RishadanPort
26
QBrown
23
Most infinity puzzles solved
gopika
103
WildheartGuff
101
maheshsrv2
77
droubbley
55
shiva555
50
Yesterday
Fastest speedruns
AkselWellington
49.8s
mikezchess
99.8s
Kristian2504
118.8s
agndum
185.6s
Konstantin0201
274.3s
Countdown high scores
Plattfuss
59
AkselWellington
54
law
44
Patata_Veloz
36
MaidenKnight
21
Unique puzzles solved
RishadanPort
340
tusharmurali
296
QREWXTZY
292
anh_ce
220
Plattfuss
167
Today
Fastest speedruns
AkselWellington
43.0s
Konstantin0201
114.6s
maheshsrv2
188.3s
Countdown high scores
SomeGuyIgloo
51
lucasanchismendes
11
Unique puzzles solved
i_sei
697
AryehPaniel
400
anh_ce
246
PompaDeJabon
190
maheshsrv2
161

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
AryehPaniel
59
smuratore
53
anh_ce
31
Rook endgames high scores
jugadatorrerifica
28
Vicky
25
anh_ce
23
Openings high scores
AryehPaniel
42
anh_ce
21
maheshsrv2
17
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