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 17 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
JaviAlcanyiz_99
89
josgar05
88
Origynalx3
84
kinG_Hunter
80
Laparrilla
78
Three high scores
kinG_Hunter
62
dcc_london
58
twotonostrich
56
Plattfuss
50
KirinoKousaka
48
Most infinity puzzles solved
Vega9001
712
RobDaVinci
374
cristhian
353
Constantinople
213
nose
182
Past 24 hours
Haste high scores
kinG_Hunter
80
Silvia
72
ThomastheChessEngine
50
SwitchDoctor
26
jugadatorrerifica
25
Three high scores
kinG_Hunter
62
ChessWizard424
36
Korenar
22
joshchess
19
Most infinity puzzles solved
Vega9001
75
RobDaVinci
60
MrGalang
47
pigeon
46
SkullKrusher479
43
Yesterday
Fastest speedruns
kinG_Hunter
71.0s
Kristian2504
87.4s
Konstantin0201
110.3s
ChessWizard424
137.8s
jampo
143.4s
Countdown high scores
SomeGuyIgloo
54
Vega9001
25
SkullKrusher479
18
Unique puzzles solved
kinG_Hunter
1017
ThomastheChessEngine
603
anh_ce
305
ChessWizard424
293
Vicky
278
Today
Fastest speedruns
jugadatorrerifica
102.6s
Countdown high scores
MaidenKnight
49
joshchess
23
Unique puzzles solved
jugadatorrerifica
161
MrGalang
99
joshchess
83
Sensei_T
80
tadash123
80

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
68
smuratore
58
Vicky
53
MasterPru2k
38
MrGalang
30
Rook endgames high scores
jugadatorrerifica
39
MasterPru2k
32
anh_ce
21
Openings high scores
dcc_london
68
jugadatorrerifica
39
anh_ce
20
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