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: 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
Phenomenonly
99
Origynalx3
96
Laparrilla
94
josgar05
86
fschmidt
82
Three high scores
Phenomenonly
57
dcc_london
56
KirinoKousaka
55
Plattfuss
42
Miau
40
Most infinity puzzles solved
nose
420
jam67
329
Ladas65
310
JRoger
204
DrOlliver
200
Past 24 hours
Haste high scores
Phenomenonly
97
Origynalx3
96
fschmidt
82
josgar05
81
Silvia
73
Three high scores
Phenomenonly
52
KirinoKousaka
49
twopawn
23
Most infinity puzzles solved
papadoble
42
Ladas65
26
Ahmadkh2004
19
disanvi
10
JRoger
5
Yesterday
Fastest speedruns
Zsomborvagyok
74.7s
mikezchess
85.3s
Phenomenonly
87.7s
Rawkward
115.4s
acatnamedchicken
281.5s
Countdown high scores
Phenomenonly
100
Rawkward
46
law
36
Mamuute
21
anuj
10
Unique puzzles solved
fschmidt
998
Phenomenonly
302
Jobl
209
KirinoKousaka
190
Origynalx3
157
Today
Fastest speedruns
Phenomenonly
82.9s
moonman105
185.2s
Countdown high scores
Phenomenonly
47
Unique puzzles solved
Phenomenonly
628
vakkomondor
252
saviotheattacker
193
josgar05
151
Origynalx3
149
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
MasterPru2k
50
Zsomborvagyok
38
anh_ce
36
Rook endgames high scores
Phenomenonly
99
Zsomborvagyok
40
MasterPru2k
29
anh_ce
25
Openings high scores
Phenomenonly
100
dcc_london
88
Zsomborvagyok
32
MasterPru2k
22
smuratore
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