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 16 hours

Speedrun

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

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
JaviAlcanyiz_99
84
Silvia
82
Origynalx3
79
Plattfuss
73
Laparrilla
70
Three high scores
dcc_london
58
KirinoKousaka
57
twotonostrich
57
Plattfuss
46
girdav
45
Most infinity puzzles solved
Vega9001
229
Everest912
200
kafework
109
arkeddie
104
Oliver
91
Past 24 hours
Haste high scores
KirinoKousaka
68
Silvia
65
somniatori
63
MarSe_33
48
MyPawnsEatPpl
38
Three high scores
dcc_london
58
KirinoKousaka
54
twopawn
36
smuratore
16
anh_ce
14
Most infinity puzzles solved
arkeddie
104
Oliver
91
Everest912
71
kamcov
25
MasterP2k
17
Yesterday
Fastest speedruns
mang0sunr1s3
94.7s
Kristian2504
106.6s
Konstantin0201
207.9s
anh_ce
306.4s
Countdown high scores
Frandy
66
Unique puzzles solved
anh_ce
413
AryehPaniel
407
dcc_london
201
jugadatorrerifica
183
smuratore
131
Today
Fastest speedruns
RidhamShah
82.3s
anh_ce
456.2s
Countdown high scores
Frandy
64
jugadatorrerifica
34
Unique puzzles solved
KirinoKousaka
366
anh_ce
279
jugadatorrerifica
186
starttofart
174
Frandy
120

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
93
jugadatorrerifica
69
AryehPaniel
57
Vicky
48
MatTactics
39
Rook endgames high scores
Frandy
59
KirinoKousaka
45
jugadatorrerifica
41
AryehPaniel
38
Constantinople
38
Openings high scores
dcc_london
84
AryehPaniel
49
jugadatorrerifica
47
Vicky
39
MatTactics
25
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