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: Mate In2

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
Kayrosas
100
tusharmurali
89
Plattfuss
86
josgar05
86
RishadanPort
82
Three high scores
Kayrosas
57
KirinoKousaka
56
dcc_london
53
RishadanPort
51
Plattfuss
50
Most infinity puzzles solved
WildheartGuff
721
FlipTunic61
257
droubbley
144
hnzngrmpf
114
gopika
103
Past 24 hours
Haste high scores
RishadanPort
82
Silvia
58
FireAnkylosaurus
46
chuss
43
QREWXTZY
40
Three high scores
twopawn
26
Vega9001
26
snipe1212
26
firekid1326
26
linearline
24
Most infinity puzzles solved
WildheartGuff
100
MrGalang
65
anaqi
57
DrOlliver
50
Vega9001
39
Yesterday
Fastest speedruns
AkselWellington
59.3s
UruGuru
68.7s
mikezchess
79.6s
Kristian2504
90.5s
Konstantin0201
121.2s
Countdown high scores
Phenomenonly
63
Vik007
39
Vega9001
30
Springtechnik
26
Unique puzzles solved
thexord
366
anh_ce
246
dcc_london
236
i_sei
186
Vega9001
150
Today
Fastest speedruns
AkselWellington
55.3s
Vega9001
121.0s
Konstantin0201
195.9s
firekid1326
202.8s
DDoe
442.7s
Countdown high scores
AkselWellington
51
Vega9001
28
MaidenKnight
28
firekid1326
21
Unique puzzles solved
RishadanPort
357
anh_ce
216
roscaenall
182
Vega9001
150
Mohammad_jabari
132

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
69
MasterPru2k
39
anh_ce
34
Rook endgames high scores
dcc_london
85
izansantos
31
MasterPru2k
28
anh_ce
27
Openings high scores
dcc_london
95
AryehPaniel
32
smuratore
32
izansantos
29
anh_ce
22
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