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 13 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Queen Endgame
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
100
Kayrosas
100
josgar05
97
evildays
91
donklemonglr
86
Three high scores
Phenomenonly
56
dcc_london
53
MSanand
52
Plattfuss
47
threexk
40
Most infinity puzzles solved
korvmedmos97
1136
WildheartGuff
612
law
179
threexk
136
Hayate_kun
123
Past 24 hours
Haste high scores
Phenomenonly
96
evildays
91
LeafySnack
81
josgar05
80
Plattfuss
74
Three high scores
Phenomenonly
55
dcc_london
52
MSanand
48
Plattfuss
41
twopawn
32
Most infinity puzzles solved
WildheartGuff
83
Maslenok
36
nose
29
Zsomborvagyok
22
anaqi
14
Yesterday
Fastest speedruns
LeafySnack
54.1s
Phenomenonly
79.3s
Kristian2504
112.2s
Konstantin0201
148.7s
agndum
189.7s
Countdown high scores
LeafySnack
66
Phenomenonly
59
ookinizay
47
Vega9001
40
frazi
39
Unique puzzles solved
MSanand
823
Phenomenonly
800
LeafySnack
610
MateMentor
375
Mohammad_jabari
327
Today
Fastest speedruns
Phenomenonly
75.7s
mikezchess
78.3s
SomeGuyIgloo
177.0s
valen13221
227.9s
Countdown high scores
Phenomenonly
93
cezrun64
33
valen13221
28
Unique puzzles solved
Phenomenonly
487
Maslenok
200
Zsomborvagyok
138
valen13221
137
smuratore
112
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
LeafySnack
100
MatTactics
64
jugadatorrerifica
62
smuratore
54
Rook endgames high scores
Phenomenonly
100
ookinizay
48
Maslenok
38
Zsomborvagyok
32
anh_ce
22
Openings high scores
Phenomenonly
64
lyllw46
40
smuratore
38
MatTactics
35
Maslenok
35
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