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 6 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Rook 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
ERSamuels
92
luuu
87
Mohammad_jabari
85
donklemonglr
80
Silvia
79
Three high scores
dcc_london
58
bybos
56
ERSamuels
53
twotonostrich
51
KirinoKousaka
50
Most infinity puzzles solved
Mastrocoltello
442
nose
170
mang0sunr1s3
146
Vega9001
77
anaqi
58
Past 24 hours
Haste high scores
ERSamuels
92
luuu
87
Mohammad_jabari
85
Silvia
67
evildays
65
Three high scores
dcc_london
55
ERSamuels
53
Dylan14
40
Fedorduck
33
twopawn
28
Most infinity puzzles solved
mang0sunr1s3
146
nose
100
jmandoIowa
39
Mastrocoltello
37
anh_ce
36
Yesterday
Fastest speedruns
mang0sunr1s3
87.5s
Kristian2504
100.4s
ERSamuels
139.3s
Dylan14
168.1s
Konstantin0201
206.8s
Countdown high scores
Frandy
68
Dylan14
57
ERSamuels
52
cezrun64
45
Meloblues
42
Unique puzzles solved
mang0sunr1s3
1000
Vicky
306
Dylan14
234
ERSamuels
189
jugadatorrerifica
159
Today
Fastest speedruns
Kristian2504
77.0s
Konstantin0201
105.5s
Mastrocoltello
158.1s
jugadatorrerifica
183.2s
nickolaosgr
253.6s
Countdown high scores
Frandy
81
cezrun64
51
Amaro
37
nickolaosgr
32
MaexchenStefan
17
Unique puzzles solved
Frandy
360
dcc_london
290
Silvia
235
luuu
198
jugadatorrerifica
193
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
mang0sunr1s3
100
jugadatorrerifica
69
wubadubalublub
57
smuratore
55
Rook endgames high scores
dcc_london
68
Frandy
53
jugadatorrerifica
45
Bhaskar_2001
29
Vicky
26
Openings high scores
dcc_london
98
Frandy
39
jugadatorrerifica
39
Vicky
33
Matvei
11
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