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 7 hours

Speedrun

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

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
luuu
100
Origynalx3
97
Silvia
95
tusharmurali
92
JaviAlcanyiz_99
91
Three high scores
dcc_london
56
KirinoKousaka
54
Plattfuss
48
JaviAlcanyiz_99
46
Vik007
38
Most infinity puzzles solved
WildheartGuff
716
droubbley
715
hnzngrmpf
143
glushko
104
Srid
98
Past 24 hours
Haste high scores
Origynalx3
97
HuLgO27
55
Sensei_T
50
saviotheattacker
48
KirinoKousaka
43
Three high scores
KirinoKousaka
51
davidyomtobian
23
Vik007
18
Most infinity puzzles solved
droubbley
319
WildheartGuff
107
glushko
101
asanovski
22
JRoger
18
Yesterday
Fastest speedruns
Kristian2504
105.3s
chessamaster
112.6s
Konstantin0201
127.5s
AkselWellington
138.5s
Sensei_T
237.0s
Countdown high scores
law
45
threexk
37
SomeGuyIgloo
34
MaidenKnight
21
Unique puzzles solved
anh_ce
306
Mohammad_jabari
297
JaviAlcanyiz_99
232
Arnaust7
206
Silvia
199
Today
Fastest speedruns
AkselWellington
67.9s
UruGuru
79.5s
Kristian2504
88.0s
Konstantin0201
93.1s
Sensei_T
130.8s
Countdown high scores
law
38
MaidenKnight
27
Unique puzzles solved
anh_ce
328
droubbley
319
Origynalx3
236
Vicky
187
i_sei
147

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
jugadatorrerifica
65
Vicky
59
eustasiv
58
MasterPru2k
33
anh_ce
32
Rook endgames high scores
jugadatorrerifica
38
Vicky
33
MasterPru2k
25
anh_ce
24
JRoger
22
Openings high scores
Vicky
29
jugadatorrerifica
27
MasterPru2k
22
anh_ce
20
pipillo77
8
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