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 6 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Opening
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
94
Silvia
84
Minos
80
Mohammad_jabari
68
PatternMismatch
66
Three high scores
dcc_london
56
KirinoKousaka
50
twopawn
40
cezrun64
35
smuratore
30
Most infinity puzzles solved
anh_ce
189
nose
106
DrOlliver
100
sharepointme
79
Mastrocoltello
57
Past 24 hours
Haste high scores
Silvia
84
Mohammad_jabari
68
PatternMismatch
66
Noxie22
57
Osamodas
53
Three high scores
dcc_london
56
cezrun64
35
smuratore
30
nived_krishnan
24
constantin10s
23
Most infinity puzzles solved
DrOlliver
50
A1ejo_09
29
anh_ce
17
Osamodas
10
Lohu79
7
Yesterday
Fastest speedruns
Konstantin0201
108.8s
jampo
112.0s
Kristian2504
116.2s
powerlifter1000
209.0s
jugadatorrerifica
239.8s
Countdown high scores
cezrun64
41
Boldrinni
23
mpmetu
21
nickolaosgr
20
powerlifter1000
18
Unique puzzles solved
Silvia
689
podlesnick
386
Mohammad_jabari
309
Vicky
282
luuu
261
Today
Fastest speedruns
jampo
107.5s
Konstantin0201
112.9s
nickolaosgr
411.0s
Countdown high scores
Frandy
52
nickolaosgr
33
Unique puzzles solved
Mohammad_jabari
348
smuratore
242
nickolaosgr
183
PatternMismatch
165
Noxie22
165
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
jugadatorrerifica
63
Osamodas
60
smuratore
55
Vicky
51
Rook endgames high scores
dcc_london
94
jugadatorrerifica
58
safary
40
Frandy
35
Vicky
25
Openings high scores
dcc_london
96
AryehPaniel
42
jugadatorrerifica
38
safary
35
Vicky
28
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