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: 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
97
Origynalx3
96
josgar05
86
Silvia
84
fschmidt
82
Three high scores
Phenomenonly
57
dcc_london
56
KirinoKousaka
49
Plattfuss
49
Miau
40
Most infinity puzzles solved
jam67
338
droubbley
270
nose
260
DrOlliver
200
Ladas65
179
Past 24 hours
Haste high scores
Phenomenonly
89
Silvia
84
josgar05
78
vakkomondor
61
timfriemel
47
Three high scores
Phenomenonly
53
Plattfuss
49
Ocabalodebastos
22
frazi
19
Aa11001100
13
Most infinity puzzles solved
jam67
66
jajapple
17
Ohanna_2020
11
JRoger
7
papadoble
3
Yesterday
Fastest speedruns
Phenomenonly
72.7s
Rawkward
112.1s
DenisTovstyk
218.9s
Countdown high scores
Phenomenonly
68
law
40
Unique puzzles solved
Phenomenonly
401
soriafabricio
231
MateMentor
179
jajapple
169
vakkomondor
141
Today
Fastest speedruns
Rawkward
94.6s
Countdown high scores
MaidenKnight
14
Unique puzzles solved
Phenomenonly
78
Dantechessto15
77
gangarokk
40
Rawkward
30
MaidenKnight
14
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
Phenomenonly
96
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