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: Knight 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
Silvia
87
bybos
77
KirinoKousaka
76
Mohammad_jabari
76
Plattfuss
67
Three high scores
bybos
60
dcc_london
57
KirinoKousaka
52
Plattfuss
48
cezrun64
34
Most infinity puzzles solved
lemondestfou
1283
bybos
415
DrOlliver
50
jugadatorrerifica
42
dubber
31
Past 24 hours
Haste high scores
Silvia
70
QREWXTZY
44
Frandy
38
MarSe_33
33
smuratore
31
Three high scores
dcc_london
55
Maxime_2506
31
sounili
26
MartialGuard
26
omen1243
20
Most infinity puzzles solved
lemondestfou
306
bybos
252
dubber
30
yuh
6
Boing630
3
Yesterday
Fastest speedruns
QREWXTZY
71.7s
mikezchess
79.8s
Kristian2504
100.6s
Nemesisjr12
106.1s
Konstantin0201
144.7s
Countdown high scores
Frandy
80
cezrun64
47
clinares
31
Nemesisjr12
25
MaexchenStefan
18
Unique puzzles solved
dcc_london
433
bybos
304
lemondestfou
286
Frandy
270
QREWXTZY
227
Today
Fastest speedruns
Kristian2504
102.2s
Konstantin0201
148.9s
N2Terrible
215.0s
jampo
238.2s
nickolaosgr
265.6s
Countdown high scores
Frandy
70
bybos
52
N2Terrible
34
nickolaosgr
29
omen1243
12
Unique puzzles solved
Silvia
559
Frandy
519
dcc_london
502
lemondestfou
208
FireEater321
201
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
89
bybos
72
Frandy
65
jugadatorrerifica
61
smuratore
49
Rook endgames high scores
dcc_london
100
Frandy
57
nickolaosgr
28
Garryback
15
Perezocito11
14
Openings high scores
dcc_london
82
jugadatorrerifica
42
Frandy
34
nickolaosgr
24
Perezocito11
17
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