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 6 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Mate In1
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
ERSamuels
92
luuu
87
Mohammad_jabari
85
donklemonglr
80
Silvia
79
Three high scores
dcc_london
58
ERSamuels
53
twotonostrich
51
KirinoKousaka
50
Fedorduck
45
Most infinity puzzles solved
Mastrocoltello
442
nose
262
mang0sunr1s3
146
anh_ce
87
Vega9001
77
Past 24 hours
Haste high scores
Origynalx3
70
Noxie22
54
EricCasquero
52
omarjaba
44
saviotheattacker
39
Three high scores
dcc_london
55
Fedorduck
45
cezrun64
34
Most infinity puzzles solved
nose
92
anh_ce
51
bybos
22
zardax
22
Meloblues
19
Yesterday
Fastest speedruns
kardiyoloji
55.7s
Kristian2504
77.0s
Konstantin0201
105.5s
Mastrocoltello
158.1s
jugadatorrerifica
183.2s
Countdown high scores
Frandy
81
cezrun64
51
kardiyoloji
43
bybos
41
Amaro
37
Unique puzzles solved
Frandy
360
dcc_london
290
Mohammad_jabari
274
Silvia
235
luuu
198
Today
Fastest speedruns
Kristian2504
49.5s
Fedorduck
73.0s
jugadatorrerifica
82.3s
MaexchenStefan
219.9s
Countdown high scores
Frandy
100
Amaro
58
Unique puzzles solved
dcc_london
378
Mohammad_jabari
318
Noxie22
233
jugadatorrerifica
174
Origynalx3
156
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
mang0sunr1s3
100
jugadatorrerifica
69
smuratore
55
Vicky
44
Rook endgames high scores
dcc_london
78
Frandy
53
jugadatorrerifica
45
Bhaskar_2001
29
Vicky
26
Openings high scores
dcc_london
98
Frandy
39
jugadatorrerifica
36
Vicky
33
Matvei
11
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