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 3 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Bishop 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
Phenomenonly
100
josgar05
95
Laparrilla
94
Origynalx3
87
mikezchess
81
Three high scores
dcc_london
57
KirinoKousaka
55
Phenomenonly
55
Plattfuss
42
tacticalplayer
35
Most infinity puzzles solved
gewetz
406
nose
399
jam67
333
Ladas65
315
JRoger
250
Past 24 hours
Haste high scores
Phenomenonly
99
mikezchess
81
josgar05
76
Mastrocoltello
27
XavierFRA
27
Three high scores
Phenomenonly
55
dcc_london
54
Aa11001100
25
tacticalplayer
18
Ayachi
12
Most infinity puzzles solved
Anurag2615
139
nose
106
DrOlliver
50
JRoger
37
Ladas65
33
Yesterday
Fastest speedruns
Phenomenonly
55.0s
mikezchess
75.4s
Boby
90.3s
Ryan_Deering2000
138.1s
Tuerce
154.5s
Countdown high scores
Phenomenonly
90
RedCat2016
28
law
26
Dhakiyah
16
Unique puzzles solved
Phenomenonly
707
KirinoKousaka
324
dcc_london
322
smuratore
319
RedCat2016
223
Today
Fastest speedruns
Phenomenonly
68.7s
Rawkward
123.0s
NityamSuthar2017
135.6s
moonman105
176.5s
Countdown high scores
Phenomenonly
91
law
38
MaexchenStefan
16
NityamSuthar2017
13
Unique puzzles solved
Phenomenonly
367
dcc_london
254
anh_ce
145
Anurag2615
139
Mastrocoltello
91
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
smuratore
59
Vicky
43
Ladas65
31
Rook endgames high scores
Phenomenonly
91
Vicky
32
anh_ce
26
MasterPru2k
14
Openings high scores
Phenomenonly
72
anh_ce
19
MasterPru2k
18
RGLezz
3
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