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: Mate In3

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
luuu
100
Silvia
95
tusharmurali
92
Origynalx3
91
JaviAlcanyiz_99
91
Three high scores
dcc_london
56
KirinoKousaka
54
Plattfuss
48
JaviAlcanyiz_99
46
threexk
39
Most infinity puzzles solved
WildheartGuff
609
droubbley
396
threexk
259
hnzngrmpf
231
Sakucolor
135
Past 24 hours
Haste high scores
Silvia
95
JaviAlcanyiz_99
91
SpoiledKitty
86
KirinoKousaka
51
martinf33
47
Three high scores
KirinoKousaka
54
Plattfuss
48
JaviAlcanyiz_99
46
threexk
35
twopawn
33
Most infinity puzzles solved
WildheartGuff
103
droubbley
44
JRoger
20
nose
15
pipillo77
14
Yesterday
Fastest speedruns
AkselWellington
44.4s
mikezchess
77.0s
Kristian2504
81.3s
JaviAlcanyiz_99
89.4s
Plattfuss
114.2s
Countdown high scores
AkselWellington
62
Plattfuss
55
JaviAlcanyiz_99
50
Vega9001
32
Vik007
26
Unique puzzles solved
JaviAlcanyiz_99
758
Dany0025123
726
anh_ce
292
i_sei
291
WildheartGuff
201
Today
Fastest speedruns
chessamaster
112.6s
Sensei_T
237.0s
sonnenwichtel2000
323.4s
Countdown high scores
threexk
37
law
34
MaidenKnight
21
Unique puzzles solved
anh_ce
306
Mohammad_jabari
297
JaviAlcanyiz_99
232
Arnaust7
206
Silvia
199

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
62
Vicky
45
MasterPru2k
33
anh_ce
32
Rook endgames high scores
Vicky
28
MasterPru2k
25
JRoger
22
anh_ce
21
jugadatorrerifica
5
Openings high scores
Vicky
23
MasterPru2k
22
anh_ce
20
pipillo77
8
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