B
litz
T
actics
Achievements
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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 14 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Zugzwang
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
twotonostrich
89
josgar05
83
Silvia
76
donklemonglr
73
Three high scores
dcc_london
58
donklemonglr
58
OnlyGambits
53
Plattfuss
53
KirinoKousaka
47
Most infinity puzzles solved
SirParsifal
657
Emiliako
533
wooks2018
154
Meherpreet
125
ghsneligunweryb
124
Past 24 hours
Haste high scores
donklemonglr
67
Silvia
55
Origynalx3
54
Plattfuss
50
chuss
45
Three high scores
dcc_london
58
donklemonglr
58
Plattfuss
53
cezrun64
40
Niraj_Desai
32
Most infinity puzzles solved
SirParsifal
188
Lam_Vu_Phuc
68
Emiliako
62
chessthetic
48
jared16
45
Yesterday
Fastest speedruns
Niraj_Desai
83.8s
Kristian2504
86.2s
Plattfuss
89.7s
Konstantin0201
128.1s
nickolaosgr
338.4s
Countdown high scores
cezrun64
80
Adriano_BSB
70
Plattfuss
51
Niraj_Desai
47
flamehead
36
Unique puzzles solved
ossovulcano
388
donklemonglr
336
Niraj_Desai
204
Plattfuss
184
cezrun64
164
Today
Fastest speedruns
Boby
107.0s
Countdown high scores
Adriano_BSB
46
Unique puzzles solved
donklemonglr
355
SirParsifal
188
cezrun64
96
Boby
68
jugadatorrerifica
64
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
Niraj_Desai
57
edimarlon
48
nickolaosgr
37
ossovulcano
34
Rook endgames high scores
Niraj_Desai
35
nickolaosgr
28
Chess64squares
27
Openings high scores
flamehead
37
edimarlon
33
nickolaosgr
31
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