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 16 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: X Ray Attack
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
99
josgar05
97
evildays
87
Plattfuss
86
Origynalx3
83
Three high scores
Phenomenonly
58
Plattfuss
56
dcc_london
56
Casper6600
46
misteriosoches
44
Most infinity puzzles solved
sebaszeuss
320
droubbley
263
ithinkicanwin
259
nose
200
Casper6600
148
Past 24 hours
Haste high scores
Phenomenonly
87
josgar05
77
mikezchess
73
Mohammad_jabari
55
Plattfuss
49
Three high scores
Phenomenonly
52
Plattfuss
45
MSanand
38
twopawn
34
valen13221
28
Most infinity puzzles solved
Casper6600
96
nose
80
JRoger
25
Obelisk
14
king_geometry
6
Yesterday
Fastest speedruns
Phenomenonly
71.0s
jenny_g
71.3s
mikezchess
77.7s
Kristian2504
112.3s
Rawkward
124.1s
Countdown high scores
Phenomenonly
96
Unique puzzles solved
XavierFRA
385
Mohammad_jabari
276
Casper6600
273
JaviAlcanyiz_99
230
musicsoundsbetterwithyou2006
222
Today
Fastest speedruns
Konstantin0201
101.3s
jugadatorrerifica
169.9s
valen13221
184.6s
Unique puzzles solved
Phenomenonly
424
Vicky
188
jugadatorrerifica
115
Maslenok
101
valen13221
89
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
jugadatorrerifica
69
Maslenok
51
Vicky
50
nickolaosgr
45
Rook endgames high scores
Phenomenonly
87
jugadatorrerifica
37
Vicky
35
Maslenok
34
nickolaosgr
31
Openings high scores
jugadatorrerifica
45
Casper6600
45
smuratore
34
MasterPru2k
31
anh_ce
27
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