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 23 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Defensive Move
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
HusTak
93
luuu
90
Origynalx3
83
croc_master
79
Mohammad_jabari
72
Three high scores
dcc_london
60
twotonostrich
59
KirinoKousaka
51
Adriano_BSB
40
cezrun64
38
Most infinity puzzles solved
cricketsong
717
lemondestfou
296
legoman2469
261
troysharples
146
safary
92
Past 24 hours
Haste high scores
luuu
70
Mohammad_jabari
53
benyuiop
38
omarjaba
38
Moreauxd
36
Three high scores
dcc_london
55
cezrun64
38
troysharples
34
crystalwrists
26
qrun3O
21
Most infinity puzzles solved
cricketsong
117
Lucas_Chess
25
lemondestfou
20
Boing630
6
troysharples
3
Yesterday
Fastest speedruns
LeafySnack
42.5s
gela22
57.7s
kardiyoloji
87.1s
fastgames
132.0s
KoreanMasters
188.8s
Countdown high scores
gela22
61
crystalwrists
26
nickolaosgr
24
sounili
23
KoreanMasters
20
Unique puzzles solved
omarjaba
1084
dcc_london
478
benyuiop
325
Mohammad_jabari
303
troysharples
287
Today
Unique puzzles solved
Mohammad_jabari
348
troysharples
110
qrun3O
10
benqt
6
Boing630
1
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
79
RidhamShah
68
nickolaosgr
41
nikelsen
26
Rook endgames high scores
LeafySnack
50
RidhamShah
40
crystalwrists
36
KoreanMasters
33
nickolaosgr
25
Openings high scores
LeafySnack
64
jugadatorrerifica
34
RidhamShah
27
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