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: Pin
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
52
Plattfuss
42
Miau
40
Most infinity puzzles solved
nose
400
Ladas65
309
droubbley
270
jam67
270
DrOlliver
200
Past 24 hours
Haste high scores
Origynalx3
96
josgar05
77
SalientDiamond
59
XavierFRA
24
MasterPru2k
22
Three high scores
dcc_london
55
soriafabricio
24
jajapple
24
Aa11001100
16
Most infinity puzzles solved
droubbley
220
jajapple
51
DrOlliver
50
Ladas65
39
nose
30
Yesterday
Fastest speedruns
Phenomenonly
82.9s
Rawkward
106.6s
moonman105
185.2s
Countdown high scores
Phenomenonly
65
Unique puzzles solved
Phenomenonly
646
vakkomondor
252
saviotheattacker
193
josgar05
151
Origynalx3
149
Today
Fastest speedruns
Boby
72.7s
Rawkward
99.5s
SalientDiamond
104.0s
Countdown high scores
SalientDiamond
49
anuj
8
Unique puzzles solved
jajapple
264
SalientDiamond
175
josgar05
169
MasterPru2k
134
Origynalx3
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
Phenomenonly
100
dcc_london
100
jajapple
53
MasterPru2k
50
danyeong123
49
Rook endgames high scores
Phenomenonly
99
MasterPru2k
44
Zsomborvagyok
40
jajapple
37
anh_ce
23
Openings high scores
Phenomenonly
100
Zsomborvagyok
32
jajapple
31
MasterPru2k
22
anh_ce
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