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 5 hours

Speedrun

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

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
Origynalx3
94
Silvia
94
luuu
82
Minos
76
Mohammad_jabari
68
Three high scores
dcc_london
59
KirinoKousaka
50
Korenar
42
cezrun64
35
twopawn
33
Most infinity puzzles solved
anh_ce
155
lemondestfou
111
DrOlliver
100
A1ejo_09
92
sharepointme
79
Past 24 hours
Haste high scores
luuu
82
Laparrilla
62
Pun_e4
54
Noxie22
47
benyuiop
43
Three high scores
Korenar
42
twopawn
31
MasterP2k
20
Most infinity puzzles solved
lemondestfou
109
DrOlliver
50
A1ejo_09
20
anh_ce
18
Lohu79
8
Yesterday
Fastest speedruns
Kristian2504
84.9s
nickolaosgr
475.0s
acatnamedchicken
912.3s
Countdown high scores
powerlifter1000
50
cezrun64
45
Frandy
40
leverage8953
33
jugadatorrerifica
29
Unique puzzles solved
Vicky
481
dcc_london
387
nickolaosgr
292
Noxie22
233
jugadatorrerifica
215
Today
Fastest speedruns
Kristian2504
75.3s
Konstantin0201
84.8s
MasterP2k
212.7s
cremaudu
521.3s
Countdown high scores
cezrun64
58
Frandy
54
powerlifter1000
29
MasterP2k
22
DDoe
15
Unique puzzles solved
Laparrilla
312
podlesnick
286
MasterP2k
191
jugadatorrerifica
176
anh_ce
161

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
jugadatorrerifica
67
Osamodas
60
smuratore
55
Vicky
50
Rook endgames high scores
jugadatorrerifica
59
Vicky
32
nickolaosgr
27
Maxime_2506
19
MasterP2k
16
Openings high scores
dcc_london
96
jugadatorrerifica
41
AryehPaniel
39
Vicky
29
Avyukt2024
24
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