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 16 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Mate In2
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
josgar05
97
Plattfuss
86
evildays
83
Origynalx3
83
Three high scores
Phenomenonly
58
dcc_london
56
Plattfuss
46
misteriosoches
44
KirinoKousaka
44
Most infinity puzzles solved
sebaszeuss
288
droubbley
244
JRoger
175
ithinkicanwin
154
nose
136
Past 24 hours
Haste high scores
Phenomenonly
93
josgar05
90
JaviAlcanyiz_99
73
evildays
73
Laparrilla
58
Three high scores
Phenomenonly
55
Plattfuss
44
jaifrale
44
misteriosoches
44
vakkomondor
41
Most infinity puzzles solved
Casper6600
42
JRoger
28
Tantalyse
28
nose
17
Lohu79
12
Yesterday
Fastest speedruns
Phenomenonly
64.1s
Tantalyse
68.9s
Kristian2504
101.7s
Sensei_T
113.6s
Plattfuss
126.2s
Countdown high scores
Phenomenonly
100
Plattfuss
50
Tantalyse
29
nickolaosgr
28
valen13221
26
Unique puzzles solved
JaviAlcanyiz_99
247
vakkomondor
203
evildays
173
Plattfuss
172
Phenomenonly
171
Today
Fastest speedruns
misteriosoches
60.2s
jaifrale
80.8s
jugadatorrerifica
205.4s
Countdown high scores
Phenomenonly
53
Casper6600
37
Unique puzzles solved
JaviAlcanyiz_99
248
Phenomenonly
205
Casper6600
195
jaifrale
160
jugadatorrerifica
127
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
ithinkicanwin
83
vakkomondor
73
jugadatorrerifica
69
smuratore
59
Rook endgames high scores
Phenomenonly
100
dcc_london
82
vakkomondor
49
jugadatorrerifica
43
Maslenok
41
Openings high scores
Phenomenonly
95
vakkomondor
54
jugadatorrerifica
45
MasterPru2k
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