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: 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
Phenomenonly
99
Origynalx3
96
josgar05
86
Silvia
84
fschmidt
82
Three high scores
Phenomenonly
57
dcc_london
56
KirinoKousaka
49
Miau
40
smuratore
38
Most infinity puzzles solved
jam67
328
droubbley
270
nose
260
DrOlliver
200
Ladas65
179
Past 24 hours
Haste high scores
Silvia
84
josgar05
78
vakkomondor
61
timfriemel
47
MateMentor
44
Three high scores
soriafabricio
28
Ocabalodebastos
22
frazi
19
Aa11001100
13
Most infinity puzzles solved
jam67
58
JRoger
22
nose
20
macocolouco
17
jajapple
17
Yesterday
Fastest speedruns
Phenomenonly
58.7s
Boby
72.7s
Rawkward
99.5s
SalientDiamond
104.0s
Countdown high scores
Phenomenonly
84
SalientDiamond
49
frazi
24
anuj
8
Unique puzzles solved
jajapple
264
SalientDiamond
175
josgar05
169
soriafabricio
138
MasterPru2k
134
Today
Fastest speedruns
Phenomenonly
72.7s
Rawkward
112.1s
Countdown high scores
Phenomenonly
68
law
40
Unique puzzles solved
soriafabricio
231
MateMentor
179
jajapple
169
Phenomenonly
147
vakkomondor
141
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
jajapple
55
smuratore
51
danyeong123
49
MasterPru2k
45
Rook endgames high scores
Phenomenonly
99
MasterPru2k
44
jajapple
39
anh_ce
23
Openings high scores
jajapple
36
anh_ce
21
MasterPru2k
19
danyeong123
16
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