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 20 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Defensive Move
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
Plattfuss
79
prawnsacrifice
73
Silvia
71
Laparrilla
65
mikezchess
61
Three high scores
dcc_london
57
Plattfuss
49
Miau
40
Vega9001
37
twopawn
37
Most infinity puzzles solved
WildheartGuff
682
korvmedmos97
442
Zsomborvagyok
327
Srid
156
mahyar
128
Past 24 hours
Haste high scores
Jabots
37
roscaenall
33
lyllw46
29
mahyar
28
Vega9001
27
Three high scores
twopawn
37
linearline
30
lyllw46
29
Vega9001
25
valen13221
24
Most infinity puzzles solved
Hayate_kun
103
Arthurwolfff
102
WildheartGuff
100
DrOlliver
50
n3tw4rri0r
35
Yesterday
Fastest speedruns
Kristian2504
76.5s
n3tw4rri0r
87.1s
mahyar
106.3s
mikezchess
111.3s
Konstantin0201
145.4s
Countdown high scores
Vega9001
34
lyllw46
31
valen13221
27
n3tw4rri0r
20
Unique puzzles solved
mahyar
1047
lyllw46
300
n3tw4rri0r
290
roscaenall
161
linearline
154
Today
Countdown high scores
cezrun64
45
Unique puzzles solved
cezrun64
41
Arthurwolfff
24
danyeong123
1
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
Zsomborvagyok
49
Maslenok
41
anh_ce
29
pasqarov
11
Rook endgames high scores
Vicky
31
anh_ce
30
Zsomborvagyok
21
Openings high scores
Zsomborvagyok
22
anh_ce
18
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