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 8 hours

Speedrun

Solve a sequence of puzzles as quickly as you can.
Theme: Pawn 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
Origynalx3
99
josgar05
90
Plattfuss
89
Silvia
79
pebIlmey
69
Three high scores
dcc_london
56
KirinoKousaka
53
Plattfuss
53
Fedorduck
41
twopawn
34
Most infinity puzzles solved
Ohanna_2020
270
Ladas65
244
jam67
172
iburfen
152
Yazanaaaaaa
144
Past 24 hours
Haste high scores
josgar05
90
Origynalx3
68
vakkomondor
60
HuLgO27
54
Plattfuss
42
Three high scores
KirinoKousaka
51
dcc_london
49
Plattfuss
48
CheezeLove
14
bunnyvn
4
Most infinity puzzles solved
droubbley
28
JRoger
22
nose
9
WildheartGuff
8
MartialGuard
6
Yesterday
Fastest speedruns
Phenomenonly
81.4s
Boby
95.7s
Kristian2504
111.9s
Plattfuss
133.1s
Konstantin0201
141.3s
Countdown high scores
Phenomenonly
66
Plattfuss
54
law
38
Drelly
24
Rishthefish
21
Unique puzzles solved
XavierFRA
302
vakkomondor
176
Plattfuss
169
HuLgO27
133
josgar05
125
Today
Fastest speedruns
Phenomenonly
94.8s
Rawkward
126.2s
Countdown high scores
Phenomenonly
58
CheezeLove
5
Unique puzzles solved
Phenomenonly
143
KirinoKousaka
141
PompaDeJabon
110
MasterPru2k
100
josgar05
89

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
anh_ce
36
markitorene
6
Rook endgames high scores
dcc_london
69
anh_ce
27
MasterPru2k
16
Openings high scores
MasterPru2k
26
anh_ce
23
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