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: Interference
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
tusharmurali
89
Silvia
88
JaviAlcanyiz_99
87
luuu
78
goodweather
78
Three high scores
dcc_london
56
KirinoKousaka
51
JaviAlcanyiz_99
50
Plattfuss
47
threexk
44
Most infinity puzzles solved
WildheartGuff
745
threexk
460
droubbley
456
NOUS_SOMMES_MERCREDI
214
dasfloh
141
Past 24 hours
Haste high scores
luuu
78
JaviAlcanyiz_99
65
Origynalx3
58
HuLgO27
41
chuss
41
Three high scores
dcc_london
56
KirinoKousaka
48
Meloblues
33
YourBestChessMove
33
smuratore
28
Most infinity puzzles solved
WildheartGuff
110
izansantos
49
nose
29
Vik007
28
qusworud
20
Yesterday
Fastest speedruns
AkselWellington
52.9s
PabloARs
92.2s
Kristian2504
107.3s
Konstantin0201
136.8s
threexk
193.0s
Countdown high scores
SomeGuyIgloo
51
JMbishop
28
Vega9001
26
Dany0025123
23
threexk
22
Unique puzzles solved
tusharmurali
861
JaviAlcanyiz_99
667
threexk
289
anh_ce
256
dcc_london
255
Today
Fastest speedruns
Kristian2504
115.3s
Konstantin0201
144.0s
Vega9001
169.3s
sonnenwichtel2000
240.7s
MasterPru2k
413.6s
Countdown high scores
Vega9001
37
JMbishop
31
Unique puzzles solved
YourBestChessMove
661
dcc_london
282
anh_ce
221
luuu
186
Vega9001
150
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
63
smuratore
55
Vicky
54
eustasiv
53
Rook endgames high scores
dcc_london
80
jugadatorrerifica
39
Vicky
32
anh_ce
22
MasterPru2k
17
Openings high scores
dcc_london
66
jugadatorrerifica
32
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