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 6 hours

Speedrun

Solve a sequence of puzzles as quickly as you can.
Theme: X Ray Attack

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
Nickus67
90
Origynalx3
89
Silvia
79
JaviAlcanyiz_99
78
Three high scores
twotonostrich
59
dcc_london
53
JaviAlcanyiz_99
53
KirinoKousaka
51
girdav
46
Most infinity puzzles solved
cristhian
581
RobDaVinci
374
Vega9001
221
Ladas65
218
AlwaysPrime_64
139
Past 24 hours
Haste high scores
Nickus67
90
Origynalx3
73
Silvia
64
JaviAlcanyiz_99
63
chuss
47
Three high scores
Vega9001
37
coffeee
36
ChMouse
20
joshchess
12
Most infinity puzzles solved
cristhian
168
RobDaVinci
157
AlwaysPrime_64
139
JaviAlcanyiz_99
54
Vega9001
50
Yesterday
Fastest speedruns
JaviAlcanyiz_99
139.0s
acatnamedchicken
340.8s
davidyomtobian
353.6s
Countdown high scores
Amaro
67
HuLgO27
56
JaviAlcanyiz_99
52
cezrun64
36
SkullKrusher479
23
Unique puzzles solved
JaviAlcanyiz_99
472
anh_ce
269
YourBestChessMove
204
arcioko
196
jugadatorrerifica
177
Today
Fastest speedruns
ChMouse
283.7s
Countdown high scores
Amaro
53
HuLgO27
52
Vega9001
42
ChMouse
30
AlwaysPrime_64
27
Unique puzzles solved
JaviAlcanyiz_99
369
MateMentor
365
anh_ce
210
RobDaVinci
180
ChMouse
171

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
67
daryana
60
MasterPru2k
47
rfac
43
nickolaosgr
38
Rook endgames high scores
jugadatorrerifica
51
nickolaosgr
33
MasterPru2k
30
anh_ce
23
Openings high scores
jugadatorrerifica
44
anh_ce
20
ChMouse
20
MasterPru2k
19
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