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 3 hours

Speedrun

Solve a sequence of puzzles as quickly as you can.
Theme: Mate In2

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
josgar05
95
Laparrilla
94
Origynalx3
87
Mohammad_jabari
76
Three high scores
dcc_london
57
Phenomenonly
55
KirinoKousaka
55
Plattfuss
42
tacticalplayer
35
Most infinity puzzles solved
gewetz
379
jam67
352
nose
302
Ladas65
285
JRoger
248
Past 24 hours
Haste high scores
Laparrilla
94
Plattfuss
64
josgar05
62
i_sei
51
vakkomondor
49
Three high scores
dcc_london
55
KirinoKousaka
52
Plattfuss
42
tacticalplayer
35
RedCat2016
25
Most infinity puzzles solved
Ladas65
115
nose
104
tacticalplayer
39
JRoger
31
RedCat2016
25
Yesterday
Fastest speedruns
Phenomenonly
55.4s
Boby
66.8s
Rawkward
96.5s
Plattfuss
99.2s
Vik007
149.0s
Countdown high scores
Plattfuss
55
Phenomenonly
51
Vik007
39
Rawkward
30
Dhakiyah
28
Unique puzzles solved
Phenomenonly
985
vakkomondor
425
Plattfuss
181
Vicky
179
Origynalx3
147
Today
Fastest speedruns
Phenomenonly
55.0s
mikezchess
75.4s
Boby
90.3s
Ryan_Deering2000
138.1s
Tuerce
154.5s
Countdown high scores
Phenomenonly
68
RedCat2016
28
law
26
Dhakiyah
16
Unique puzzles solved
Phenomenonly
702
KirinoKousaka
324
dcc_london
322
smuratore
319
RedCat2016
223

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
dcc_london
100
smuratore
59
Vicky
58
MasterPru2k
44
Rook endgames high scores
dcc_london
93
Phenomenonly
91
Vicky
32
anh_ce
30
MasterPru2k
25
Openings high scores
Phenomenonly
72
anh_ce
18
MasterPru2k
18
i_learntoplaychess
16
RGLezz
3
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