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 6 hours

Speedrun

Solve a sequence of puzzles as quickly as you can.
Theme: Mate In1

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
99
evildays
87
Silvia
80
Mohammad_jabari
71
Three high scores
dcc_london
57
Phenomenonly
56
Squarenerd
52
KirinoKousaka
46
Plattfuss
43
Most infinity puzzles solved
droubbley
324
nose
289
WildheartGuff
97
papadoble
80
Squarenerd
74
Past 24 hours
Haste high scores
Phenomenonly
86
Origynalx3
79
Laparrilla
56
JaviAlcanyiz_99
55
Plattfuss
49
Three high scores
dcc_london
56
Phenomenonly
56
Plattfuss
40
smuratore
32
valen13221
26
Most infinity puzzles solved
WildheartGuff
57
nose
55
JRoger
41
GusBurns
28
tairoesp
13
Yesterday
Fastest speedruns
Kristian2504
65.4s
Phenomenonly
71.9s
mikezchess
77.5s
Rawkward
99.9s
Konstantin0201
108.1s
Countdown high scores
Phenomenonly
100
Plattfuss
56
Rawkward
40
Vega9001
27
valen13221
26
Unique puzzles solved
evildays
1561
Phenomenonly
877
dcc_london
554
mikezchess
217
josgar05
215
Today
Fastest speedruns
Phenomenonly
38.5s
Kristian2504
43.9s
Konstantin0201
60.5s
Rawkward
71.9s
jugadatorrerifica
95.5s
Countdown high scores
Phenomenonly
61
Rawkward
35
Lui_GF
30
valen13221
29
crypt9mist
12
Unique puzzles solved
dcc_london
431
Maslenok
164
smuratore
152
Lui_GF
150
valen13221
137

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
evildays
92
jugadatorrerifica
69
smuratore
58
Rook endgames high scores
Phenomenonly
100
dcc_london
96
Maslenok
35
Vicky
26
anh_ce
26
Openings high scores
Phenomenonly
99
dcc_london
97
evildays
59
Squarenerd
29
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