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 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
jajuraj
100
Origynalx3
94
JaviAlcanyiz_99
84
evildays
84
Silvia
84
Three high scores
jajuraj
62
dcc_london
59
twotonostrich
56
KirinoKousaka
53
girdav
44
Most infinity puzzles solved
jajuraj
471
ilovechess13
408
beachoceantoi
340
lemondestfou
227
DrOlliver
150
Past 24 hours
Haste high scores
JaviAlcanyiz_99
84
Origynalx3
79
Silvia
78
luuu
66
Noxie22
65
Three high scores
dcc_london
55
KirinoKousaka
53
girdav
44
twopawn
22
anh_ce
15
Most infinity puzzles solved
DrOlliver
50
lemondestfou
28
MasterP2k
17
nose
9
yuh
8
Yesterday
Fastest speedruns
jugadatorrerifica
172.9s
anh_ce
229.8s
nickolaosgr
323.5s
Countdown high scores
Frandy
55
nickolaosgr
28
cremaudu
15
powerlifter1000
11
Unique puzzles solved
dcc_london
503
anh_ce
403
Noxie22
357
Vicky
236
JaviAlcanyiz_99
224
Today
Unique puzzles solved
smuratore
118
nose
5
Laparrilla
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
dcc_london
89
jugadatorrerifica
65
Vicky
62
HelenaDorotheaL
55
nickolaosgr
47
Rook endgames high scores
dcc_london
94
jugadatorrerifica
54
Vicky
40
nickolaosgr
30
HelenaDorotheaL
28
Openings high scores
dcc_london
98
AryehPaniel
44
jugadatorrerifica
43
Vicky
33
smuratore
33
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