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: Middlegame

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
98
josgar05
84
evildays
79
Silvia
77
wubadubalublub
72
Three high scores
twotonostrich
56
Plattfuss
50
KirinoKousaka
49
Techniique
47
FurudiLowIQ
43
Most infinity puzzles solved
AbrarJahin
619
Sputnik
166
GabrielArg2004
135
Pawndookie
87
papadoble
82
Past 24 hours
Haste high scores
evildays
79
Silvia
55
dawid2010
43
AbrarJahin
41
kuldud
39
Three high scores
dawid2010
36
cezrun64
32
Most infinity puzzles solved
wooks2018
55
Lohu79
35
GabrielArg2004
24
NippleDipper
22
Kattaleyah_Malinao
13
Yesterday
Fastest speedruns
Frandy
83.3s
Kristian2504
105.5s
Konstantin0201
136.4s
Vicky
272.0s
MaexchenStefan
401.0s
Countdown high scores
Frandy
100
Amaro
50
cezrun64
50
GabrielArg2004
25
propuzzles
5
Unique puzzles solved
AryehPaniel
1048
evildays
517
Vicky
278
AbrarJahin
253
Frandy
235
Today
Fastest speedruns
dawid2010
221.0s
nickolaosgr
457.1s
Countdown high scores
Frandy
91
Amaro
76
nickolaosgr
26
Unique puzzles solved
Silvia
365
kuldud
224
dawid2010
156
evildays
128
Kattaleyah_Malinao
125

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
Hola011
91
AryehPaniel
65
jugadatorrerifica
61
nickolaosgr
45
Vicky
44
Rook endgames high scores
TrixieChingkit
44
AryehPaniel
33
Vicky
33
QBrown
24
Maxime_2506
21
Openings high scores
AryehPaniel
50
jugadatorrerifica
39
Maxime_2506
32
Vicky
20
smuratore
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