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 1 hours

Speedrun

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

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
YoureExcused
84
Origynalx3
84
kinG_Hunter
80
Three high scores
kinG_Hunter
62
dcc_london
58
twotonostrich
56
KirinoKousaka
48
ChessIsFast
43
Most infinity puzzles solved
Vega9001
543
RobDaVinci
501
cristhian
271
Constantinople
213
nose
150
Past 24 hours
Haste high scores
YoureExcused
84
KirinoKousaka
58
chuss
52
ThomastheChessEngine
52
ChessIsFast
40
Three high scores
KirinoKousaka
47
ChessIsFast
43
YourBestChessMove
30
twopawn
29
smuratore
29
Most infinity puzzles solved
Vega9001
75
lemondestfou
70
RobDaVinci
28
Fedorduck
6
Zuliram
6
Yesterday
Fastest speedruns
Kristian2504
45.8s
Konstantin0201
45.9s
jugadatorrerifica
102.6s
Countdown high scores
lemondestfou
55
MaidenKnight
52
joshchess
23
Frandy
9
Unique puzzles solved
anh_ce
207
Laparrilla
196
dcc_london
187
jugadatorrerifica
161
Silvia
140
Today
Fastest speedruns
mikezchess
74.6s
ChessIsFast
95.6s
Kristian2504
104.6s
Konstantin0201
109.8s
pigeon
237.5s
Countdown high scores
Frandy
64
SkullKrusher479
25
Mamuute
21
MaexchenStefan
20
Unique puzzles solved
UsulAMB
407
chuss
318
anh_ce
313
MateMentor
232
YourBestChessMove
228

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
87
jugadatorrerifica
66
smuratore
58
Vicky
50
souldrummer57
36
Rook endgames high scores
dcc_london
82
jugadatorrerifica
39
nickolaosgr
32
MasterPru2k
26
anh_ce
18
Openings high scores
max_euwe
29
jugadatorrerifica
28
nickolaosgr
24
anh_ce
21
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