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 19 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
JaviAlcanyiz_99
85
Silvia
77
Nickus67
77
Origynalx3
73
tusharmurali
72
Three high scores
dcc_london
58
Plattfuss
46
Miau
43
Vega9001
39
Patata_Veloz
39
Most infinity puzzles solved
WildheartGuff
522
RedClover
280
Miau
222
droubbley
202
davidyomtobian
128
Past 24 hours
Haste high scores
tusharmurali
70
somniatori
68
JaviAlcanyiz_99
52
chuss
48
Anhzaya_Solongo
45
Three high scores
twopawn
36
YourBestChessMove
29
Driphan
25
Vega9001
13
Delfinito
13
Most infinity puzzles solved
Miau
12
sschess
9
eustasiv
9
king_geometry
4
troysharples
4
Yesterday
Fastest speedruns
Kristian2504
83.1s
Konstantin0201
127.3s
somniatori
145.8s
nista
225.9s
acatnamedchicken
263.1s
Countdown high scores
SomeGuyIgloo
61
Vega9001
31
JMbishop
31
somniatori
30
alexpecam
14
Unique puzzles solved
YourBestChessMove
359
UsulAMB
328
chuss
252
anh_ce
217
SerpiasUltra
159
Today
Fastest speedruns
Driphan
263.9s
Countdown high scores
davidyomtobian
38
Miau
19
Unique puzzles solved
tusharmurali
998
Anhzaya_Solongo
554
QREWXTZY
206
Driphan
174
anh_ce
136

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
Anhzaya_Solongo
74
AryehPaniel
59
jugadatorrerifica
59
Vicky
58
Rook endgames high scores
dcc_london
82
jugadatorrerifica
64
Vicky
30
Driphan
28
Anhzaya_Solongo
25
Openings high scores
dcc_london
83
jugadatorrerifica
34
AryehPaniel
31
Vicky
25
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