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: Rook 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
Kayrosas
100
tusharmurali
89
Plattfuss
86
josgar05
86
Origynalx3
79
Three high scores
Kayrosas
57
KirinoKousaka
56
dcc_london
53
RishadanPort
51
Plattfuss
50
Most infinity puzzles solved
WildheartGuff
722
FlipTunic61
234
hnzngrmpf
173
Vega9001
167
droubbley
156
Past 24 hours
Haste high scores
Plattfuss
86
Phenomenonly
71
FireAnkylosaurus
70
Origynalx3
51
thexord
46
Three high scores
dcc_london
53
Vega9001
36
Springtechnik
25
Vik007
15
Delfinito
13
Most infinity puzzles solved
WildheartGuff
104
FlipTunic61
40
shejin
36
hnzngrmpf
32
Vega9001
26
Yesterday
Fastest speedruns
shejin
72.8s
Kristian2504
77.1s
Konstantin0201
134.3s
Vega9001
151.7s
agndum
179.3s
Countdown high scores
shejin
49
Miau
41
Vega9001
26
lucasanchismendes
15
Unique puzzles solved
thexord
603
anh_ce
217
Origynalx3
189
dcc_london
160
Vega9001
151
Today
Fastest speedruns
UruGuru
68.7s
Kristian2504
90.5s
Konstantin0201
121.2s
Vega9001
163.5s
sonnenwichtel2000
275.6s
Countdown high scores
Phenomenonly
63
Vik007
39
Vega9001
30
Springtechnik
26
Unique puzzles solved
thexord
366
anh_ce
246
dcc_london
236
i_sei
186
Vega9001
150

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
69
AryehPaniel
59
MasterPru2k
39
anh_ce
34
Rook endgames high scores
dcc_london
85
izansantos
31
MasterPru2k
28
anh_ce
24
Openings high scores
dcc_london
95
AryehPaniel
42
smuratore
32
izansantos
29
anh_ce
22
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