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 7 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Mate In3
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
luuu
100
Origynalx3
97
donklemonglr
95
tusharmurali
92
JaviAlcanyiz_99
89
Three high scores
donklemonglr
56
dcc_london
56
KirinoKousaka
51
JaviAlcanyiz_99
49
Plattfuss
45
Most infinity puzzles solved
WildheartGuff
519
droubbley
352
threexk
259
hnzngrmpf
230
Srid
146
Past 24 hours
Haste high scores
goodweather
59
JaviAlcanyiz_99
55
HuLgO27
37
threexk
37
chuss
32
Three high scores
KirinoKousaka
47
YourBestChessMove
33
smuratore
28
Juanmaa10
11
Most infinity puzzles solved
Constantinople
85
droubbley
49
Srid
37
MrGalang
29
Sakucolor
14
Yesterday
Fastest speedruns
AkselWellington
52.6s
Kristian2504
95.7s
Adhrit2202
121.7s
Timoooeo
165.6s
Konstantin0201
218.4s
Countdown high scores
AkselWellington
58
Leandro22
34
nickolaosgr
15
Unique puzzles solved
JaviAlcanyiz_99
653
Silvia
344
anh_ce
255
WildheartGuff
205
Noxie22
204
Today
Fastest speedruns
mikezchess
84.1s
AkselWellington
93.5s
Konstantin0201
124.4s
Adhrit2202
128.2s
sonnenwichtel2000
352.0s
Countdown high scores
AkselWellington
53
JMbishop
20
Unique puzzles solved
Adhrit2202
305
anh_ce
225
Ishabah
141
smuratore
114
roscaenall
93
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
60
Adhrit2202
60
smuratore
54
MatTactics
48
Rook endgames high scores
dcc_london
66
jugadatorrerifica
55
anh_ce
22
MasterPru2k
22
MagDor
2
Openings high scores
dcc_london
81
MatTactics
41
jugadatorrerifica
35
Adhrit2202
31
anh_ce
21
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