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 7 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Defensive Move
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
92
donklemonglr
80
Silvia
79
luuu
72
Laparrilla
72
Three high scores
dcc_london
58
bybos
56
twotonostrich
51
KirinoKousaka
50
Korenar
45
Most infinity puzzles solved
AbhinavSinha
447
Mastrocoltello
311
Garryback
238
nose
112
loqed
106
Past 24 hours
Haste high scores
donklemonglr
80
Laparrilla
72
Silvia
64
Noxie22
59
josgar05
53
Three high scores
Bhaskar_2001
30
twopawn
29
Leandro22
20
a01
17
Most infinity puzzles solved
Mastrocoltello
167
anaqi
35
hoollibaam64675256
27
Leandro22
8
Lohu79
6
Yesterday
Fastest speedruns
Osamodas
72.3s
Kristian2504
90.0s
saviotheattacker
117.0s
Konstantin0201
143.3s
hoollibaam646752
193.2s
Countdown high scores
Frandy
85
Amaro
55
DaniZiX
51
Osamodas
39
Meloblues
26
Unique puzzles solved
dcc_london
472
KirinoKousaka
414
Noxie22
270
jugadatorrerifica
225
MateMentor
185
Today
Fastest speedruns
gela22
76.9s
Kristian2504
90.1s
somniatori
156.6s
Konstantin0201
194.8s
jugadatorrerifica
231.9s
Countdown high scores
Frandy
88
nickolaosgr
10
Unique puzzles solved
josgar05
674
donklemonglr
250
Noxie22
229
jugadatorrerifica
204
a01
91
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
76
wubadubalublub
57
Vicky
54
MaexchenStefan
41
Rook endgames high scores
dcc_london
96
jugadatorrerifica
41
Openings high scores
dcc_london
85
AryehPaniel
41
jugadatorrerifica
40
Bhaskar_2001
27
hoollibaam646752
20
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