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 3 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Pin
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
evildays
82
Silvia
81
bybos
77
Origynalx3
76
Plattfuss
67
Three high scores
bybos
60
dcc_london
60
KirinoKousaka
52
Leviackerman594
51
Plattfuss
48
Most infinity puzzles solved
lemondestfou
1956
bybos
306
Vega9001
218
Osamodas
106
DrOlliver
50
Past 24 hours
Haste high scores
Origynalx3
76
KirinoKousaka
65
Silvia
63
dayb
48
MarSe_33
45
Three high scores
dcc_london
60
Leviackerman594
51
KirinoKousaka
47
MartialGuard
25
twopawn
16
Most infinity puzzles solved
lemondestfou
420
Vega9001
218
Sputnik
35
gobby
32
bybos
19
Yesterday
Fastest speedruns
Osamodas
105.6s
Kristian2504
127.8s
Konstantin0201
145.4s
dayb
151.0s
jugadatorrerifica
211.7s
Countdown high scores
Frandy
72
cezrun64
50
Osamodas
38
Unique puzzles solved
Silvia
349
FireEater321
341
Frandy
312
lemondestfou
285
Mohammad_jabari
277
Today
Fastest speedruns
Leviackerman594
55.2s
QREWXTZY
59.1s
Kristian2504
98.9s
jugadatorrerifica
149.6s
Kim1409
216.7s
Countdown high scores
Frandy
64
Leviackerman594
54
anaqi
26
Unique puzzles solved
dcc_london
522
Vega9001
323
Frandy
304
lemondestfou
285
smuratore
253
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
87
jugadatorrerifica
73
smuratore
55
Vicky
51
wubadubalublub
50
Rook endgames high scores
dcc_london
87
Frandy
68
Vega9001
40
ChessWizard424
39
jugadatorrerifica
38
Openings high scores
dcc_london
86
Vega9001
65
jugadatorrerifica
47
ChessWizard424
39
Vicky
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