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 4 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
Origynalx3
96
Phenomenonly
94
Laparrilla
88
tusharmurali
86
JaviAlcanyiz_99
86
Three high scores
dcc_london
55
KirinoKousaka
52
Plattfuss
50
Phenomenonly
49
JaviAlcanyiz_99
46
Most infinity puzzles solved
WildheartGuff
719
Pr4teek7
270
hnzngrmpf
222
Yazanaaaaaa
208
Sensei_T
198
Past 24 hours
Haste high scores
Origynalx3
96
Phenomenonly
94
JaviAlcanyiz_99
86
mikezchess
58
Laparrilla
52
Three high scores
Phenomenonly
49
threexk
37
QBrown
31
cezrun64
30
twopawn
27
Most infinity puzzles solved
hnzngrmpf
147
SerpiasUltra
136
WildheartGuff
105
Pr4teek7
70
Miau
44
Yesterday
Fastest speedruns
AkselWellington
71.1s
PitiMelon
80.0s
Kristian2504
93.0s
mahyar
315.4s
Konstantin0201
353.1s
Countdown high scores
law
43
PitiMelon
43
cezrun64
41
Amaro
37
dapperduck
25
Unique puzzles solved
JaviAlcanyiz_99
1077
anh_ce
312
Mohammad_jabari
300
dcc_london
287
Pr4teek7
279
Today
Fastest speedruns
impuzzlemaster
77.6s
Kristian2504
84.5s
mikezchess
91.3s
Phenomenonly
97.6s
Konstantin0201
97.7s
Countdown high scores
Phenomenonly
54
SomeGuyIgloo
50
threexk
49
impuzzlemaster
32
law
31
Unique puzzles solved
JaviAlcanyiz_99
700
AryehPaniel
627
Phenomenonly
350
anh_ce
272
threexk
264
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
smuratore
62
jugadatorrerifica
60
AryehPaniel
52
anh_ce
37
MasterPru2k
32
Rook endgames high scores
dcc_london
71
jugadatorrerifica
46
Frandy
38
AryehPaniel
33
MasterPru2k
33
Openings high scores
dcc_london
73
AryehPaniel
52
impuzzlemaster
38
jugadatorrerifica
30
anh_ce
22
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