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 16 hours

Speedrun

Solve a sequence of puzzles as quickly as you can.
Theme: X Ray Attack

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
99
Silvia
79
twotonostrich
77
Laparrilla
75
Plattfuss
70
Three high scores
dcc_london
54
twotonostrich
54
Plattfuss
50
Korenar
50
KirinoKousaka
45
Most infinity puzzles solved
Vega9001
696
cristhian
356
Constantinople
245
nose
220
RedClover
170
Past 24 hours
Haste high scores
Silvia
77
Laparrilla
75
JaviAlcanyiz_99
67
jazzk
66
ThomastheChessEngine
66
Three high scores
MartialGuard
33
twopawn
26
Most infinity puzzles solved
Constantinople
213
Vega9001
117
cristhian
58
RedClover
24
nose
20
Yesterday
Fastest speedruns
kardiyoloji
57.4s
MukanKaganTurk
58.2s
Adriano_BSB
90.5s
Konstantin0201
105.1s
Kristian2504
114.5s
Countdown high scores
Amaro
90
kardiyoloji
67
ZugzuawngX
67
Adriano_BSB
51
MaidenKnight
50
Unique puzzles solved
anh_ce
302
evildays
294
MateMentor
281
Vega9001
237
cristhian
235
Today
Fastest speedruns
Kristian2504
101.4s
Countdown high scores
Amaro
83
MaidenKnight
34
Unique puzzles solved
ThomastheChessEngine
691
MateMentor
472
Constantinople
213
anh_ce
116
Vicky
100

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
63
Vicky
46
souldrummer57
45
Vega9001
40
nickolaosgr
35
Rook endgames high scores
Frandy
53
jugadatorrerifica
42
nickolaosgr
27
Vicky
23
MasterPru2k
23
Openings high scores
dcc_london
56
jugadatorrerifica
39
ZugzuawngX
39
nickolaosgr
23
Vega9001
18
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