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 24 hours

Speedrun

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

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
92
Silvia
87
evildays
75
luuu
72
Mohammad_jabari
68
Three high scores
dcc_london
59
bybos
56
KirinoKousaka
50
Korenar
46
twopawn
40
Most infinity puzzles solved
AbhinavSinha
442
Garryback
222
Vega9001
171
lemondestfou
130
loqed
106
Past 24 hours
Haste high scores
Silvia
79
luuu
72
Origynalx3
70
KirinoKousaka
66
Noxie22
52
Three high scores
dcc_london
58
KirinoKousaka
50
dawid2010
36
twopawn
35
Most infinity puzzles solved
Mastrocoltello
43
Vega9001
9
Garryback
8
Luan9588n
6
Vicky
2
Yesterday
Fastest speedruns
Kristian2504
86.3s
Konstantin0201
108.3s
jaifrale
141.8s
dawid2010
158.9s
jampo
253.5s
Countdown high scores
Frandy
93
Amaro
67
dawid2010
38
Mamuute
31
Unique puzzles solved
MateMentor
1140
Frandy
486
Silvia
461
KirinoKousaka
341
dcc_london
276
Today
Unique puzzles solved
Amaro
18
KirinoKousaka
1

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
63
Vicky
51
MaexchenStefan
41
Bhaskar_2001
41
Rook endgames high scores
dcc_london
96
Frandy
64
jugadatorrerifica
44
Vicky
22
Openings high scores
dcc_london
96
smuratore
32
jugadatorrerifica
28
Vicky
26
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