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 4 hours

Speedrun

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

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
Silvia
93
Origynalx3
92
evildays
75
Mohammad_jabari
68
luuu
67
Three high scores
dcc_london
59
bybos
56
KirinoKousaka
51
girdav
46
Korenar
46
Most infinity puzzles solved
AbhinavSinha
427
lemondestfou
254
Garryback
214
Vega9001
202
Pan_Bombastyczny
123
Past 24 hours
Haste high scores
luuu
67
KirinoKousaka
52
MateMentor
43
wubadubalublub
39
MarSe_33
38
Three high scores
bybos
56
dcc_london
52
Most infinity puzzles solved
Vega9001
57
guansa54
30
AbhinavSinha
18
Pan_Bombastyczny
14
Lohu79
8
Yesterday
Fastest speedruns
Kristian2504
84.7s
Konstantin0201
130.9s
Countdown high scores
Frandy
78
Amaro
56
AbhinavSinha
31
MarSe_33
30
nickolaosgr
22
Unique puzzles solved
dcc_london
562
Frandy
503
smuratore
252
KirinoKousaka
247
Garryback
145
Today
Fastest speedruns
Kristian2504
106.0s
Konstantin0201
126.9s
jampo
299.0s
Countdown high scores
Bhaskar_2001
15
Unique puzzles solved
UsulAMB
441
MateMentor
416
ChessWizard424
171
jugadatorrerifica
149
FireEater321
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
dcc_london
100
jugadatorrerifica
63
Pan_Bombastyczny
63
Vicky
47
MatTactics
46
Rook endgames high scores
dcc_london
87
Frandy
64
jugadatorrerifica
44
Vicky
15
Openings high scores
dcc_london
96
jugadatorrerifica
38
Vicky
16
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