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 19 hours

Speedrun

Solve a sequence of puzzles as quickly as you can.
Theme: Pin

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
Phenomenonly
100
Kayrosas
100
josgar05
97
donklemonglr
86
Silvia
83
Three high scores
Phenomenonly
56
dcc_london
53
MSanand
52
Plattfuss
47
threexk
40
Most infinity puzzles solved
korvmedmos97
1136
WildheartGuff
680
droubbley
188
law
179
threexk
136
Past 24 hours
Haste high scores
Phenomenonly
99
josgar05
97
JaviAlcanyiz_99
56
HuLgO27
43
Jabots
31
Three high scores
Phenomenonly
53
MSanand
50
twopawn
39
valen13221
31
linearline
30
Most infinity puzzles solved
WildheartGuff
73
DrOlliver
50
Vasukia
41
todynho
34
Skhandelwal
27
Yesterday
Fastest speedruns
Phenomenonly
65.3s
UruGuru
73.1s
Kristian2504
79.1s
Konstantin0201
93.1s
agndum
118.2s
Countdown high scores
Phenomenonly
62
law
37
valen13221
30
Unique puzzles solved
MSanand
1244
Phenomenonly
553
Maslenok
296
josgar05
151
Vasukia
141
Today
Fastest speedruns
Phenomenonly
79.3s
Countdown high scores
Phenomenonly
59
noisebloom
14
Unique puzzles solved
Phenomenonly
749
todynho
89
WildheartGuff
73
linearline
70
jugadatorrerifica
44

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
Phenomenonly
100
MatTactics
64
jugadatorrerifica
62
Vicky
46
Maslenok
41
Rook endgames high scores
Phenomenonly
89
Maslenok
38
anh_ce
21
MasterPru2k
21
Anay1208
20
Openings high scores
smuratore
38
jugadatorrerifica
35
MatTactics
35
Maslenok
35
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