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 3 hours

Speedrun

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

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
100
josgar05
95
Laparrilla
94
Origynalx3
87
mikezchess
81
Three high scores
Phenomenonly
57
dcc_london
56
KirinoKousaka
55
Plattfuss
42
smuratore
38
Most infinity puzzles solved
nose
438
gewetz
406
Ladas65
317
jam67
290
JRoger
271
Past 24 hours
Haste high scores
josgar05
86
Phenomenonly
81
i_sei
72
Fajar_Rizqi15
57
mikezchess
57
Three high scores
Phenomenonly
57
dcc_london
56
KirinoKousaka
48
girdav
38
smuratore
38
Most infinity puzzles solved
nose
113
DrOlliver
100
jajapple
97
jam67
89
JRoger
58
Yesterday
Fastest speedruns
moonman105
68.0s
Phenomenonly
68.7s
mikezchess
74.5s
Rawkward
123.0s
NityamSuthar2017
135.6s
Countdown high scores
Phenomenonly
91
kingsolver2018
45
law
38
MaexchenStefan
16
NityamSuthar2017
13
Unique puzzles solved
Phenomenonly
367
dcc_london
254
moonman105
166
anh_ce
145
Anurag2615
139
Today
Fastest speedruns
Phenomenonly
79.2s
moonman105
146.3s
Rawkward
162.5s
agndum
171.1s
Boby
200.8s
Countdown high scores
Phenomenonly
61
davidyomtobian
35
law
31
Mcappuccio
27
Fajar_Rizqi15
24
Unique puzzles solved
Phenomenonly
936
XavierFRA
327
i_sei
181
koenigseggfanguy
162
smuratore
152

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
dcc_london
100
smuratore
59
anh_ce
31
Ladas65
31
Rook endgames high scores
Phenomenonly
91
anh_ce
26
Openings high scores
Phenomenonly
65
koenigseggfanguy
35
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