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: Mate In1

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
tusharmurali
95
Plattfuss
86
josgar05
86
RishadanPort
82
SpoiledKitty
77
Three high scores
dcc_london
55
KirinoKousaka
54
RishadanPort
51
Plattfuss
50
threexk
47
Most infinity puzzles solved
WildheartGuff
718
FlipTunic61
206
droubbley
144
hnzngrmpf
121
gopika
103
Past 24 hours
Haste high scores
SpoiledKitty
77
Plattfuss
62
threexk
53
Laparrilla
44
RishadanPort
44
Three high scores
threexk
47
Plattfuss
46
twopawn
40
jakbie
36
QBrown
26
Most infinity puzzles solved
WildheartGuff
100
Srid
40
lemondestfou
40
nose
30
FlipTunic61
26
Yesterday
Fastest speedruns
AkselWellington
58.9s
Kristian2504
75.7s
Konstantin0201
97.4s
acatnamedchicken
160.0s
sonnenwichtel2000
828.0s
Countdown high scores
lemondestfou
48
AkselWellington
41
Vega9001
34
DDoe
17
alexpecam
16
Unique puzzles solved
tusharmurali
893
UsulAMB
298
anh_ce
235
dcc_london
224
QBrown
147
Today
Fastest speedruns
mikezchess
45.8s
Kristian2504
70.8s
jugadatorrerifica
82.8s
Countdown high scores
lemondestfou
59
Unique puzzles solved
threexk
292
anh_ce
214
SpoiledKitty
208
jugadatorrerifica
179
UsulAMB
170

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
dcc_london
85
jugadatorrerifica
65
smuratore
57
Vicky
47
badguys
40
Rook endgames high scores
jugadatorrerifica
46
Vicky
35
Frandy
31
anh_ce
27
Openings high scores
jugadatorrerifica
34
AryehPaniel
32
Frandy
25
anh_ce
24
Vicky
20
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