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 11 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
Phenomenonly
100
Origynalx3
92
josgar05
90
pebIlmey
74
Mohammad_jabari
73
Three high scores
Phenomenonly
58
dcc_london
57
KirinoKousaka
51
Plattfuss
48
twopawn
37
Most infinity puzzles solved
Ohanna_2020
574
droubbley
419
DrOlliver
200
lemondestfou
180
JRoger
157
Past 24 hours
Haste high scores
Phenomenonly
100
Origynalx3
87
josgar05
84
Mohammad_jabari
61
Silvia
57
Three high scores
Phenomenonly
58
KirinoKousaka
51
smuratore
29
Most infinity puzzles solved
droubbley
268
Ohanna_2020
127
DrOlliver
50
Lohu79
24
nose
23
Yesterday
Fastest speedruns
Phenomenonly
59.7s
Kristian2504
86.6s
Konstantin0201
173.5s
acatnamedchicken
319.4s
PompaDeJabon
325.4s
Countdown high scores
Phenomenonly
78
JMbishop
32
Brunovaliente
21
Unique puzzles solved
Phenomenonly
1742
Origynalx3
326
droubbley
268
pebIlmey
171
Ohanna_2020
160
Today
Fastest speedruns
Phenomenonly
57.9s
Boby
58.5s
Countdown high scores
Phenomenonly
69
lemondestfou
44
law
31
Unique puzzles solved
Mohammad_jabari
157
Ohanna_2020
127
josgar05
121
Phenomenonly
89
Origynalx3
82
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
smuratore
59
Vicky
58
droubbley
54
anh_ce
39
Rook endgames high scores
Phenomenonly
100
dcc_london
99
Frandy
47
MasterPru2k
29
anh_ce
24
Openings high scores
Phenomenonly
100
MasterPru2k
29
anh_ce
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