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: X Ray Attack

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
RishadanPort
82
JaviAlcanyiz_99
80
SpoiledKitty
77
Plattfuss
71
Three high scores
dcc_london
59
KirinoKousaka
52
Plattfuss
52
threexk
47
twopawn
40
Most infinity puzzles solved
WildheartGuff
709
Yazanaaaaaa
208
FlipTunic61
165
elorash
137
hnzngrmpf
124
Past 24 hours
Haste high scores
tusharmurali
86
Silvia
71
JaviAlcanyiz_99
70
Plattfuss
68
MyPawnsEatPpl
56
Three high scores
dcc_london
55
threexk
35
Plattfuss
13
Most infinity puzzles solved
Yazanaaaaaa
208
CEDZomber
123
WildheartGuff
104
Ravenite
101
hnzngrmpf
75
Yesterday
Fastest speedruns
AkselWellington
58.4s
Kristian2504
94.7s
Konstantin0201
120.0s
Plattfuss
148.0s
CEDZomber
227.9s
Countdown high scores
lemondestfou
57
Plattfuss
45
MaidenKnight
30
SerpiasUltra
30
law
26
Unique puzzles solved
Origynalx3
335
JaviAlcanyiz_99
257
anh_ce
216
jugadatorrerifica
206
Plattfuss
146
Today
Fastest speedruns
AkselWellington
58.9s
Yazanaaaaaa
64.6s
Kristian2504
73.3s
mikezchess
84.8s
CEDZomber
104.8s
Countdown high scores
SomeGuyIgloo
56
Isthistheory
40
threexk
39
CEDZomber
20
Unique puzzles solved
tusharmurali
2969
HuLgO27
330
JaviAlcanyiz_99
330
CEDZomber
291
Yazanaaaaaa
284

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
67
nista
44
FireAnkylosaurus
41
MasterPru2k
39
anh_ce
33
Rook endgames high scores
jugadatorrerifica
35
MasterPru2k
23
anh_ce
22
Openings high scores
smuratore
35
AryehPaniel
32
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