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: Zugzwang

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
Origynalx3
97
donklemonglr
95
tusharmurali
89
JaviAlcanyiz_99
87
luuu
78
Three high scores
donklemonglr
56
dcc_london
56
KirinoKousaka
51
JaviAlcanyiz_99
50
Plattfuss
47
Most infinity puzzles solved
WildheartGuff
746
threexk
719
droubbley
385
NOUS_SOMMES_MERCREDI
214
dasfloh
141
Past 24 hours
Haste high scores
donklemonglr
87
JaviAlcanyiz_99
65
Plattfuss
57
Dany0025123
51
Silvia
50
Three high scores
KirinoKousaka
47
Plattfuss
45
threexk
39
cezrun64
36
Vik007
31
Most infinity puzzles solved
threexk
259
hnzngrmpf
101
Sakucolor
56
necroscythe
49
Jayani_Rajan
27
Yesterday
Fastest speedruns
MukanKaganTurk
71.9s
AkselWellington
89.3s
Konstantin0201
131.5s
JaviAlcanyiz_99
163.3s
Plattfuss
197.6s
Countdown high scores
AkselWellington
43
Plattfuss
41
udaihasan
26
SomeGuyIgloo
25
Miau
25
Unique puzzles solved
JaviAlcanyiz_99
566
donklemonglr
443
Dany0025123
396
Origynalx3
349
Laparrilla
322
Today
Fastest speedruns
AkselWellington
58.9s
mikezchess
69.4s
Kristian2504
75.6s
Konstantin0201
90.5s
threexk
118.0s
Countdown high scores
AkselWellington
58
somniatori
35
j_chess
12
Unique puzzles solved
threexk
637
JaviAlcanyiz_99
284
anh_ce
261
donklemonglr
255
e3Gewinnt
122

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
58
e3Gewinnt
49
Vicky
46
anh_ce
36
Rook endgames high scores
e3Gewinnt
36
Vicky
29
anh_ce
25
SerpiasUltra
21
MasterPru2k
17
Openings high scores
dcc_london
66
AkselWellington
55
smuratore
35
SerpiasUltra
27
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