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 13 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
Plattfuss
98
jazzk
93
twotonostrich
91
Silvia
81
Origynalx3
80
Three high scores
jazzk
76
bartrix1987
63
dcc_london
59
twotonostrich
57
KirinoKousaka
53
Most infinity puzzles solved
Constantinople
235
jazzk
209
droubbley
190
Lill_Bom_Dill
173
Vega9001
162
Past 24 hours
Haste high scores
Plattfuss
98
twotonostrich
60
KirinoKousaka
58
omarjaba
56
Laparrilla
46
Three high scores
dcc_london
58
twotonostrich
57
KirinoKousaka
52
Plattfuss
49
YourBestChessMove
32
Most infinity puzzles solved
nose
75
DrOlliver
50
glushko
25
arkeddie
22
IckyHollow
22
Yesterday
Fastest speedruns
Plattfuss
114.6s
nickolaosgr
447.9s
Countdown high scores
Amaro
54
leverage8953
53
Plattfuss
51
Frandy
42
Constantinople
40
Unique puzzles solved
KirinoKousaka
655
omarjaba
553
UsulAMB
436
Constantinople
379
smuratore
333
Today
Fastest speedruns
twotonostrich
103.2s
Countdown high scores
twotonostrich
72
Frandy
56
leverage8953
42
Unique puzzles solved
twotonostrich
263
jugadatorrerifica
95
RaulPa
72
Frandy
56
Origynalx3
52
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
dcc_london
100
jugadatorrerifica
62
Vicky
54
smuratore
54
souldrummer57
37
Rook endgames high scores
dcc_london
61
jugadatorrerifica
33
Constantinople
28
anh_ce
19
MasterP2k
18
Openings high scores
dcc_london
87
ThomastheChessEngine
46
smuratore
34
jugadatorrerifica
33
Constantinople
33
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