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 8 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
YoureExcused
100
JaviAlcanyiz_99
89
josgar05
88
Origynalx3
84
kinG_Hunter
80
Three high scores
kinG_Hunter
62
dcc_london
58
twotonostrich
56
KirinoKousaka
49
Plattfuss
45
Most infinity puzzles solved
Vega9001
447
RobDaVinci
401
nose
131
lemondestfou
104
cristhian
84
Past 24 hours
Haste high scores
Origynalx3
82
JaviAlcanyiz_99
64
ThomastheChessEngine
55
chuss
50
Mohammad_jabari
45
Three high scores
Plattfuss
45
coffeee
39
Vega9001
34
YourBestChessMove
29
linearline
26
Most infinity puzzles solved
cristhian
84
Vega9001
50
glushko
25
lemondestfou
22
nose
21
Yesterday
Fastest speedruns
Konstantin0201
90.1s
Plattfuss
126.5s
twotonostrich
130.4s
Countdown high scores
twotonostrich
68
lemondestfou
57
Frandy
56
Plattfuss
55
MaidenKnight
30
Unique puzzles solved
ThomastheChessEngine
431
anh_ce
318
UsulAMB
276
chuss
226
jugadatorrerifica
207
Today
Fastest speedruns
Kristian2504
52.1s
coffeee
61.8s
Vega9001
78.4s
davidyomtobian
81.4s
Countdown high scores
Amaro
59
HuLgO27
53
Meloblues
38
law
35
coffeee
33
Unique puzzles solved
ThomastheChessEngine
611
chuss
367
Origynalx3
336
anh_ce
230
JaviAlcanyiz_99
207

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
jugadatorrerifica
66
Vicky
57
MasterPru2k
41
anh_ce
34
souldrummer57
34
Rook endgames high scores
jugadatorrerifica
42
Meloblues
34
Vicky
33
nickolaosgr
32
MasterPru2k
32
Openings high scores
dcc_london
52
jugadatorrerifica
47
Vicky
33
smuratore
30
nickolaosgr
24
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