B
litz
T
actics
Achievements
Sign up
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
KirinoKousaka
53
Plattfuss
52
smuratore
33
Most infinity puzzles solved
jam67
505
droubbley
408
JRoger
198
Ladas65
167
DrOlliver
150
Past 24 hours
Haste high scores
Origynalx3
90
Phenomenonly
89
josgar05
87
vakkomondor
83
fschmidt
68
Three high scores
dcc_london
53
twopawn
30
Hernanleyez
21
Most infinity puzzles solved
JRoger
31
Amrit127
31
asanovski
30
Ladas65
30
Hayate_kun
9
Yesterday
Fastest speedruns
Phenomenonly
57.0s
Kristian2504
101.2s
Konstantin0201
116.0s
Rawkward
155.2s
Ryan_Deering2000
261.0s
Countdown high scores
Phenomenonly
100
Miau
37
Rawkward
35
valen13221
30
Unique puzzles solved
Phenomenonly
1700
evildays
737
josgar05
254
i_sei
215
Origynalx3
198
Today
Fastest speedruns
Phenomenonly
28.5s
mikezchess
50.4s
Kristian2504
56.3s
Konstantin0201
59.2s
Rawkward
78.7s
Countdown high scores
Phenomenonly
60
law
43
valen13221
25
Unique puzzles solved
Phenomenonly
261
josgar05
228
fschmidt
205
Origynalx3
171
vakkomondor
147
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
jugadatorrerifica
77
Vicky
47
MasterPru2k
45
anh_ce
28
Rook endgames high scores
Phenomenonly
100
jugadatorrerifica
49
Frandy
46
anh_ce
24
MasterPru2k
21
Openings high scores
Phenomenonly
94
dcc_london
93
jugadatorrerifica
46
koenigseggfanguy
31
smuratore
29
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