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: Interference
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
Silvia
81
twotonostrich
81
Three high scores
twotonostrich
58
dcc_london
55
ERSamuels
53
KirinoKousaka
49
Fedorduck
45
Most infinity puzzles solved
nose
420
anh_ce
222
Mastrocoltello
187
mang0sunr1s3
146
DrOlliver
100
Past 24 hours
Haste high scores
Silvia
81
KirinoKousaka
69
omarjaba
61
Laparrilla
41
smuratore
40
Three high scores
dcc_london
54
KirinoKousaka
46
twopawn
37
Most infinity puzzles solved
Mastrocoltello
43
anh_ce
21
MasterP2k
21
Boing630
7
jmandoIowa
7
Yesterday
Fastest speedruns
Kristian2504
75.3s
Konstantin0201
156.9s
ashbii
168.7s
twotonostrich
171.0s
macocolouco
267.3s
Countdown high scores
twotonostrich
75
Frandy
71
Amaro
60
cezrun64
44
Leandro22
23
Unique puzzles solved
Vicky
554
FireEater321
425
twotonostrich
357
KirinoKousaka
249
dcc_london
225
Today
Fastest speedruns
mikezchess
96.6s
Kristian2504
113.2s
Konstantin0201
210.9s
Countdown high scores
Frandy
71
cezrun64
45
gela22
39
Mastrocoltello
24
nikelsen
11
Unique puzzles solved
Silvia
492
Vicky
357
Laparrilla
282
jugadatorrerifica
238
smuratore
235
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
67
smuratore
58
Vicky
54
MatTactics
54
Rook endgames high scores
dcc_london
79
jugadatorrerifica
66
Vicky
34
ashbii
22
macocolouco
21
Openings high scores
dcc_london
60
jugadatorrerifica
48
AryehPaniel
40
smuratore
32
Vicky
31
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