B
litz
T
actics
Achievements
Sign up
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: Rook 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
YoureExcused
100
Origynalx3
89
kinG_Hunter
80
Silvia
79
JaviAlcanyiz_99
72
Three high scores
kinG_Hunter
62
twotonostrich
59
dcc_london
54
KirinoKousaka
49
Plattfuss
45
Most infinity puzzles solved
Vega9001
396
RobDaVinci
239
cristhian
198
Ladas65
158
nose
130
Past 24 hours
Haste high scores
Origynalx3
89
ThomastheChessEngine
58
JaviAlcanyiz_99
57
twotonostrich
54
chuss
50
Three high scores
twotonostrich
59
dcc_london
53
KirinoKousaka
49
Vega9001
32
rarimt63
19
Most infinity puzzles solved
cristhian
114
Ladas65
67
glushko
49
RobDaVinci
46
MartialGuard
44
Yesterday
Fastest speedruns
Kristian2504
52.1s
coffeee
61.8s
Vega9001
78.4s
davidyomtobian
81.4s
Countdown high scores
Amaro
59
HuLgO27
53
Meloblues
38
davidyomtobian
37
law
35
Unique puzzles solved
ThomastheChessEngine
611
chuss
412
Origynalx3
336
JaviAlcanyiz_99
278
davidyomtobian
264
Today
Fastest speedruns
MukanKaganTurk
55.0s
Kristian2504
71.7s
Konstantin0201
79.1s
twotonostrich
88.4s
Fast_BlitzRacerX23
110.9s
Countdown high scores
davidyomtobian
100
twotonostrich
70
lemondestfou
53
HuLgO27
49
Unique puzzles solved
chuss
486
anh_ce
314
dcc_london
312
twotonostrich
310
Vicky
238
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
dcc_london
100
jugadatorrerifica
66
Vicky
57
MasterPru2k
41
anh_ce
34
Rook endgames high scores
dcc_london
80
jugadatorrerifica
47
Meloblues
34
Vicky
33
MasterPru2k
32
Openings high scores
dcc_london
55
jugadatorrerifica
47
smuratore
30
nickolaosgr
26
anh_ce
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