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 8 hours

Speedrun

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

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
JaviAlcanyiz_99
85
imxaviii19
79
Nickus67
77
luuu
74
evildays
73
Three high scores
dcc_london
58
KirinoKousaka
54
JaviAlcanyiz_99
51
Plattfuss
44
jakbie
43
Most infinity puzzles solved
WildheartGuff
625
cristhian
142
droubbley
131
Miau
128
davidyomtobian
115
Past 24 hours
Haste high scores
Origynalx3
73
Nickus67
72
luuu
65
Silvia
63
JaviAlcanyiz_99
58
Three high scores
dcc_london
53
Miau
41
twopawn
27
Vega9001
21
Juanmaa10
21
Most infinity puzzles solved
Miau
128
WildheartGuff
103
RedClover
93
eyeliner
34
eustasiv
25
Yesterday
Fastest speedruns
Kristian2504
71.4s
Boby
92.4s
Vega9001
119.5s
somniatori
130.0s
Konstantin0201
154.4s
Countdown high scores
Frandy
65
Patata_Veloz
50
Vega9001
35
somniatori
32
law
27
Unique puzzles solved
YourBestChessMove
449
eustasiv
418
chuss
375
anh_ce
213
Silvia
200
Today
Fastest speedruns
Vega9001
186.0s
Countdown high scores
Patata_Veloz
40
Vega9001
26
Unique puzzles solved
QREWXTZY
320
chuss
283
UsulAMB
250
luuu
229
anh_ce
222

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
smuratore
64
eustasiv
61
Manuel4826
59
ZugzwangDeeb
40
anh_ce
35
Rook endgames high scores
Frandy
51
QREWXTZY
51
anh_ce
26
MasterPru2k
17
eustasiv
13
Openings high scores
dcc_london
95
MasterPru2k
20
anh_ce
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