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: 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
100
josgar05
96
Origynalx3
89
evildays
79
JaviAlcanyiz_99
75
Three high scores
Phenomenonly
62
dcc_london
58
KirinoKousaka
54
MSanand
48
girdav
48
Most infinity puzzles solved
jam67
573
nose
370
droubbley
370
usernoname
235
DrOlliver
200
Past 24 hours
Haste high scores
Origynalx3
83
josgar05
82
Agnet
37
saviotheattacker
32
Meloblues
30
Three high scores
dcc_london
53
Phenomenonly
52
kh25
46
Vega9001
30
jenny_g
27
Most infinity puzzles solved
droubbley
239
DrOlliver
100
nose
51
jam67
32
HardDaysKnight
32
Yesterday
Fastest speedruns
Phenomenonly
71.8s
Boby
88.4s
Kristian2504
110.3s
agndum
196.0s
Konstantin0201
225.0s
Countdown high scores
Phenomenonly
78
Vega9001
27
law
23
valen13221
23
MaidenKnight
13
Unique puzzles solved
kh25
795
XavierFRA
438
UsulAMB
362
anh_ce
189
josgar05
158
Today
Fastest speedruns
jenny_g
76.4s
Phenomenonly
77.8s
Kristian2504
81.3s
Konstantin0201
112.1s
Rawkward
132.5s
Countdown high scores
Phenomenonly
100
joaocsp
51
Vega9001
40
jenny_g
32
nickolaosgr
21
Unique puzzles solved
Drelly
368
XavierFRA
299
kh25
264
droubbley
238
Meloblues
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
Phenomenonly
100
dcc_london
100
jugadatorrerifica
63
Vicky
53
anh_ce
35
Rook endgames high scores
Phenomenonly
94
jugadatorrerifica
60
Vicky
32
Meloblues
30
N2Terrible
28
Openings high scores
Phenomenonly
83
jugadatorrerifica
51
smuratore
40
anh_ce
22
nickolaosgr
20
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