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 3 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Middlegame
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
100
josgar05
95
JPrime
93
Origynalx3
88
Laparrilla
83
Three high scores
Phenomenonly
59
dcc_london
58
KirinoKousaka
53
Plattfuss
52
jenny_g
38
Most infinity puzzles solved
jam67
541
droubbley
408
DrOlliver
200
JRoger
186
nose
171
Past 24 hours
Haste high scores
evildays
81
josgar05
79
mikezchess
72
Plattfuss
69
Origynalx3
52
Three high scores
Phenomenonly
59
dcc_london
58
Plattfuss
52
KirinoKousaka
51
Miau
31
Most infinity puzzles solved
chaein
108
Ladas65
49
asanovski
21
wubadubalublub
20
JRoger
17
Yesterday
Fastest speedruns
Phenomenonly
57.6s
Boby
65.2s
mikezchess
76.5s
Konstantin0201
111.7s
Plattfuss
127.9s
Countdown high scores
Phenomenonly
100
law
46
Plattfuss
46
valen13221
29
Unique puzzles solved
evildays
1071
Phenomenonly
845
Deyvid5
212
Plattfuss
189
mikezchess
172
Today
Fastest speedruns
Phenomenonly
57.0s
Kristian2504
101.2s
Konstantin0201
116.0s
Rawkward
155.2s
Ryan_Deering2000
261.0s
Countdown high scores
Phenomenonly
100
Miau
37
Rawkward
35
valen13221
30
Unique puzzles solved
Phenomenonly
1700
evildays
737
josgar05
254
i_sei
203
Origynalx3
198
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
dcc_london
100
jugadatorrerifica
77
Vicky
47
MasterPru2k
45
Rook endgames high scores
Phenomenonly
100
dcc_london
95
jugadatorrerifica
49
Frandy
46
MasterPru2k
21
Openings high scores
Phenomenonly
94
dcc_london
93
koenigseggfanguy
31
smuratore
29
MasterPru2k
25
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