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 15 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
100
Phenomenonly
100
Plattfuss
89
josgar05
81
Silvia
79
Three high scores
Phenomenonly
57
dcc_london
56
KirinoKousaka
55
Plattfuss
53
Fedorduck
41
Most infinity puzzles solved
Yazanaaaaaa
487
droubbley
278
Ohanna_2020
178
Ladas65
155
JRoger
139
Past 24 hours
Haste high scores
josgar05
81
pebIlmey
69
Mohammad_jabari
52
Josh_Capa_Root8
32
saviotheattacker
32
Three high scores
Plattfuss
53
Fedorduck
41
twopawn
34
parzi041
20
Most infinity puzzles solved
Yazanaaaaaa
144
parzi041
106
Ladas65
95
jam67
21
TparTR
18
Yesterday
Fastest speedruns
Phenomenonly
92.9s
Plattfuss
96.7s
Rawkward
109.2s
Countdown high scores
Phenomenonly
68
Plattfuss
59
Rawkward
41
Bilbon777
29
Josh_Capa_Root8
26
Unique puzzles solved
XavierFRA
328
Josh_Capa_Root8
205
KirinoKousaka
177
Plattfuss
166
Yazanaaaaaa
144
Today
Fastest speedruns
parzi041
326.5s
Countdown high scores
parzi041
27
Unique puzzles solved
parzi041
200
josgar05
173
Vicky
142
Josh_Capa_Root8
123
Fedorduck
111

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
Vicky
52
MasterPru2k
49
anh_ce
34
nptk456
34
Rook endgames high scores
MasterPru2k
35
anh_ce
23
Openings high scores
Phenomenonly
100
MasterPru2k
25
anh_ce
19
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