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 5 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Queen 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
Origynalx3
87
Silvia
80
Mohammad_jabari
69
HusTak
68
Plattfuss
64
Three high scores
dcc_london
58
twotonostrich
58
KirinoKousaka
52
gela22
49
propuzzles
46
Most infinity puzzles solved
cricketsong
553
gela22
168
propuzzles
136
lemondestfou
123
Arlanda_Airport
115
Past 24 hours
Haste high scores
Plattfuss
64
Mohammad_jabari
52
gela22
50
benyuiop
36
jugadatorrerifica
36
Three high scores
dcc_london
57
Plattfuss
45
gela22
42
cezrun64
38
troysharples
36
Most infinity puzzles solved
cricketsong
112
DrOlliver
40
gela22
22
mHeidelberg
20
safary
19
Yesterday
Fastest speedruns
gela22
56.8s
RidhamShah
96.6s
Kristian2504
123.2s
Plattfuss
128.8s
Maxime_2506
178.6s
Countdown high scores
cezrun64
75
gela22
53
Plattfuss
44
CVCVCVCVCV
35
law
33
Unique puzzles solved
benyuiop
589
dcc_london
512
troysharples
488
CVCVCVCVCV
356
gela22
337
Today
Fastest speedruns
LeafySnack
44.2s
gela22
58.2s
Kristian2504
89.8s
troysharples
130.9s
Konstantin0201
135.4s
Countdown high scores
gela22
58
sounili
26
Unique puzzles solved
gela22
319
LeafySnack
231
dcc_london
198
Mohammad_jabari
193
Vicky
139
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
LeafySnack
100
gela22
83
Niraj_Desai
76
jugadatorrerifica
74
propuzzles
72
Rook endgames high scores
LeafySnack
75
gela22
44
Maxime_2506
33
QBrown
27
nickolaosgr
25
Openings high scores
LeafySnack
60
gela22
41
propuzzles
41
jugadatorrerifica
31
nickolaosgr
25
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