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 13 hours

Speedrun

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

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
Plattfuss
98
jazzk
93
twotonostrich
91
Silvia
81
Origynalx3
80
Three high scores
jazzk
76
dcc_london
59
twotonostrich
57
KirinoKousaka
53
girdav
51
Most infinity puzzles solved
Constantinople
633
Vega9001
277
droubbley
222
Lill_Bom_Dill
173
WildheartGuff
154
Past 24 hours
Haste high scores
Silvia
73
evildays
63
Plattfuss
51
ThomastheChessEngine
46
chuss
44
Three high scores
girdav
51
Plattfuss
45
Fast_BlitzRacerX23
43
twopawn
34
MartialGuard
26
Most infinity puzzles solved
Fast_BlitzRacerX23
116
Vega9001
115
nose
26
glushko
25
MasterP2k
20
Yesterday
Fastest speedruns
Kristian2504
82.2s
Fast_BlitzRacerX23
93.5s
Noxie22
143.9s
Konstantin0201
163.8s
MaexchenStefan
403.6s
Countdown high scores
Frandy
71
ThomastheChessEngine
38
leverage8953
37
Fast_BlitzRacerX23
37
nickolaosgr
20
Unique puzzles solved
Fast_BlitzRacerX23
288
chuss
223
MartialGuard
185
Frandy
168
ThomastheChessEngine
149
Today
Fastest speedruns
Fast_BlitzRacerX23
79.7s
Kristian2504
100.5s
Countdown high scores
Fast_BlitzRacerX23
50
Unique puzzles solved
Fast_BlitzRacerX23
377
Silvia
266
Vicky
210
evildays
158
Vega9001
115

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
94
jugadatorrerifica
61
Fast_BlitzRacerX23
61
Vicky
58
souldrummer57
45
Rook endgames high scores
dcc_london
74
Frandy
48
Fast_BlitzRacerX23
38
jugadatorrerifica
35
lemondestfou
27
Openings high scores
dcc_london
72
YourBestChessMove
33
MatTactics
26
lemondestfou
21
anh_ce
15
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