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 3 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Mate In1
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
JPrime
93
Origynalx3
90
vakkomondor
83
Three high scores
Phenomenonly
59
dcc_london
58
Plattfuss
53
KirinoKousaka
53
smuratore
33
Most infinity puzzles solved
droubbley
417
jam67
274
DrOlliver
200
JRoger
187
jajapple
159
Past 24 hours
Haste high scores
josgar05
71
HuLgO27
36
nico000o
28
XavierFRA
28
PompaDeJabon
27
Three high scores
dcc_london
55
KirinoKousaka
51
smuratore
27
joshhardy
17
Most infinity puzzles solved
dazzia
83
jajapple
57
DrOlliver
50
jam67
41
JRoger
35
Yesterday
Fastest speedruns
Phenomenonly
63.8s
Boby
87.2s
Rawkward
124.2s
jajapple
188.0s
acatnamedchicken
301.2s
Countdown high scores
Phenomenonly
100
valen13221
32
jajapple
32
law
31
Unique puzzles solved
Phenomenonly
459
vakkomondor
344
KirinoKousaka
279
droubbley
234
jajapple
169
Today
Fastest speedruns
Phenomenonly
32.9s
Boby
36.2s
Kristian2504
48.2s
Rawkward
62.8s
danyeong123
329.4s
Countdown high scores
Boby
48
law
30
Dhakiyah
30
valen13221
26
MaexchenStefan
23
Unique puzzles solved
nico000o
355
anh_ce
255
joshhardy
245
Origynalx3
217
josgar05
144
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
58
jugadatorrerifica
51
anh_ce
37
Rook endgames high scores
Phenomenonly
81
anh_ce
27
Openings high scores
dcc_london
91
anh_ce
22
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