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 3 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Sacrifice
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
92
Silvia
87
evildays
75
luuu
72
Noxie22
69
Three high scores
dcc_london
59
bybos
56
twotonostrich
51
KirinoKousaka
50
Korenar
46
Most infinity puzzles solved
AbhinavSinha
442
Garryback
235
Vega9001
161
Mastrocoltello
144
lemondestfou
111
Past 24 hours
Haste high scores
Noxie22
69
twotonostrich
62
Silvia
59
Jabots
42
MateMentor
39
Three high scores
twotonostrich
51
KirinoKousaka
50
twopawn
36
a01
10
Most infinity puzzles solved
Mastrocoltello
144
nose
40
Garryback
13
Azwu
9
Vega9001
9
Yesterday
Fastest speedruns
Kristian2504
86.3s
Konstantin0201
108.3s
jaifrale
141.8s
dawid2010
158.9s
jampo
253.5s
Countdown high scores
Frandy
93
Amaro
67
dawid2010
38
Mamuute
31
Unique puzzles solved
MateMentor
1140
Frandy
486
Silvia
461
KirinoKousaka
341
dcc_london
276
Today
Fastest speedruns
Kristian2504
84.4s
Konstantin0201
90.2s
twotonostrich
105.3s
saviotheattacker
123.0s
Countdown high scores
Frandy
100
cezrun64
50
twotonostrich
49
Amaro
46
Unique puzzles solved
MateMentor
324
Noxie22
281
jugadatorrerifica
208
twotonostrich
181
Silvia
145
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
jugadatorrerifica
76
Vicky
54
MaexchenStefan
41
Bhaskar_2001
41
doublebeta
36
Rook endgames high scores
dcc_london
96
Frandy
57
jugadatorrerifica
44
Vicky
22
Openings high scores
dcc_london
96
jugadatorrerifica
40
smuratore
32
Bhaskar_2001
27
Vicky
26
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