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 20 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
Phenomenonly
99
Origynalx3
93
josgar05
85
mikezchess
81
evildays
81
Three high scores
Phenomenonly
61
dcc_london
56
KirinoKousaka
50
Plattfuss
47
Vega9001
37
Most infinity puzzles solved
Sensei_T
550
WildheartGuff
539
nose
320
ap_is_the_best
227
Hayate_kun
128
Past 24 hours
Haste high scores
Phenomenonly
98
Origynalx3
86
evildays
74
Mohammad_jabari
71
JaviAlcanyiz_99
65
Three high scores
Phenomenonly
56
Plattfuss
43
linearline
33
QBrown
29
valen13221
28
Most infinity puzzles solved
nose
108
Amrit127
30
papadoble
23
JRoger
20
WildheartGuff
15
Yesterday
Fastest speedruns
LeafySnack
42.2s
Rawkward
86.7s
Kristian2504
106.1s
Plattfuss
107.6s
Konstantin0201
110.7s
Countdown high scores
Phenomenonly
86
Rawkward
44
Plattfuss
41
law
38
valen13221
34
Unique puzzles solved
Phenomenonly
1146
Mohammad_jabari
222
evildays
220
Norte09
197
JaviAlcanyiz_99
193
Today
Unique puzzles solved
anh_ce
63
Rawkward
29
rafv77
16
nose
11
Boing630
1

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
Phenomenonly
100
ThomasH
81
jugadatorrerifica
66
QREWXTZY
50
Maslenok
49
Rook endgames high scores
dcc_london
100
Phenomenonly
98
jugadatorrerifica
56
Maslenok
37
anh_ce
22
Openings high scores
Phenomenonly
92
anh_ce
22
MasterPru2k
19
LouisC
11
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