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: Bishop Endgame

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
Origynalx3
97
donklemonglr
95
tusharmurali
92
JaviAlcanyiz_99
89
Three high scores
donklemonglr
56
dcc_london
56
KirinoKousaka
51
JaviAlcanyiz_99
49
Plattfuss
47
Most infinity puzzles solved
WildheartGuff
619
droubbley
303
threexk
259
hnzngrmpf
241
Srid
129
Past 24 hours
Haste high scores
tusharmurali
92
Origynalx3
91
Silvia
66
JaviAlcanyiz_99
65
MyPawnsEatPpl
58
Three high scores
Vik007
38
twopawn
37
Meloblues
30
Most infinity puzzles solved
droubbley
303
WildheartGuff
205
hnzngrmpf
99
Sakucolor
51
Srid
30
Yesterday
Fastest speedruns
AkselWellington
58.7s
Kristian2504
107.5s
Konstantin0201
115.2s
Leandro22
140.3s
Ishabah
199.6s
Countdown high scores
AkselWellington
66
SomeGuyIgloo
47
law
46
Leandro22
35
nickolaosgr
23
Unique puzzles solved
tusharmurali
1675
droubbley
303
JaviAlcanyiz_99
268
dcc_london
266
anh_ce
246
Today
Fastest speedruns
Kristian2504
95.7s
Adhrit2202
121.7s
Timoooeo
165.6s
Konstantin0201
218.4s
Leandro22
271.3s
Countdown high scores
Leandro22
34
Unique puzzles solved
Silvia
344
JaviAlcanyiz_99
344
anh_ce
255
WildheartGuff
205
Noxie22
204

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
100
jugadatorrerifica
60
e3Gewinnt
49
MatTactics
48
MasterPru2k
39
Rook endgames high scores
dcc_london
66
jugadatorrerifica
55
e3Gewinnt
36
anh_ce
22
MasterPru2k
22
Openings high scores
dcc_london
81
MatTactics
41
jugadatorrerifica
35
anh_ce
21
olmos7
9
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