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: Queen Endgame

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
Phenomenonly
94
JaviAlcanyiz_99
81
Plattfuss
79
prawnsacrifice
73
Silvia
71
Three high scores
dcc_london
57
Plattfuss
49
girdav
43
Vega9001
37
twopawn
36
Most infinity puzzles solved
WildheartGuff
715
Zsomborvagyok
307
Maslenok
248
korvmedmos97
179
Srid
125
Past 24 hours
Haste high scores
Plattfuss
79
Silvia
71
Laparrilla
54
Isthistheory
50
Jabots
44
Three high scores
Plattfuss
49
twopawn
36
cezrun64
30
valen13221
29
lyllw46
27
Most infinity puzzles solved
WildheartGuff
100
droubbley
45
korvmedmos97
36
Isthistheory
29
papadoble
26
Yesterday
Fastest speedruns
Zsomborvagyok
69.8s
mikezchess
83.1s
viaan
85.2s
Kristian2504
90.3s
Konstantin0201
104.3s
Countdown high scores
SomeGuyIgloo
51
SerpiasUltra
33
valen13221
31
viaan
25
MaexchenStefan
21
Unique puzzles solved
viaan
663
Zsomborvagyok
243
korvmedmos97
143
valen13221
142
Constantinople
137
Today
Fastest speedruns
Kristian2504
79.2s
Konstantin0201
85.7s
Zsomborvagyok
176.0s
valen13221
194.5s
lyllw46
224.0s
Countdown high scores
Isthistheory
67
lyllw46
37
valen13221
27
Unique puzzles solved
DonkeyEatingFigs
323
i_sei
322
lyllw46
285
Isthistheory
181
valen13221
134

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
viaan
73
lyllw46
55
Vicky
52
Zsomborvagyok
52
Rook endgames high scores
Frandy
58
Zsomborvagyok
35
Vicky
25
anh_ce
23
Openings high scores
Zsomborvagyok
37
AryehPaniel
35
anh_ce
24
Maslenok
24
viaan
6
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