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 20 hours

Speedrun

Solve a sequence of puzzles as quickly as you can.
Theme: Pawn 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
Plattfuss
79
prawnsacrifice
73
Silvia
71
Laparrilla
65
Three high scores
dcc_london
57
Plattfuss
49
Miau
40
Vega9001
37
twopawn
36
Most infinity puzzles solved
WildheartGuff
718
Zsomborvagyok
307
Maslenok
235
korvmedmos97
215
Srid
156
Past 24 hours
Haste high scores
Laparrilla
65
chuss
54
Plattfuss
42
Jabots
39
Patata_Veloz
32
Three high scores
Plattfuss
48
cezrun64
32
twopawn
31
lyllw46
29
linearline
26
Most infinity puzzles solved
WildheartGuff
103
DrOlliver
50
korvmedmos97
36
Vega9001
32
yuh
30
Yesterday
Fastest speedruns
Kristian2504
100.7s
Plattfuss
124.1s
Konstantin0201
134.5s
agndum
162.0s
valen13221
352.9s
Countdown high scores
Plattfuss
53
Miau
51
Vega9001
38
valen13221
26
Unique puzzles solved
valen13221
168
Plattfuss
162
Vega9001
152
Patata_Veloz
145
roscaenall
142
Today
Countdown high scores
SomeGuyIgloo
62
Zero_Fallen2
23
Unique puzzles solved
SomeGuyIgloo
62
cezrun64
30
yuh
27
i_sei
26
Zero_Fallen2
24

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
MasterPru2k
42
Rook endgames high scores
Vicky
31
anh_ce
30
Openings high scores
AryehPaniel
38
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