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 14 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Opening
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
Plattfuss
98
jazzk
93
twotonostrich
91
Silvia
81
Origynalx3
80
Three high scores
jazzk
76
bartrix1987
63
dcc_london
59
twotonostrich
57
KirinoKousaka
53
Most infinity puzzles solved
Constantinople
235
droubbley
222
jazzk
209
Lill_Bom_Dill
173
Vega9001
162
Past 24 hours
Haste high scores
Mohammad_jabari
72
jazzk
68
twotonostrich
65
Laparrilla
61
chuss
51
Three high scores
dcc_london
55
twotonostrich
41
twopawn
32
smuratore
30
YourBestChessMove
25
Most infinity puzzles solved
MrGalang
63
ShuntaClaus
40
lemondestfou
37
WildheartGuff
37
droubbley
32
Yesterday
Fastest speedruns
jazzk
47.3s
Kristian2504
78.8s
Konstantin0201
93.5s
twotonostrich
103.2s
lemondestfou
222.2s
Countdown high scores
twotonostrich
72
Frandy
70
leverage8953
50
MaexchenStefan
21
Unique puzzles solved
Mohammad_jabari
509
chuss
462
UsulAMB
383
twotonostrich
263
jazzk
245
Today
Fastest speedruns
twotonostrich
99.0s
Countdown high scores
twotonostrich
74
Frandy
59
Unique puzzles solved
twotonostrich
202
omarjaba
151
jugadatorrerifica
105
UsulAMB
103
YourBestChessMove
82
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
jugadatorrerifica
62
smuratore
54
MrGalang
37
souldrummer57
35
lemondestfou
30
Rook endgames high scores
dcc_london
74
jugadatorrerifica
35
Constantinople
28
lemondestfou
27
anh_ce
19
Openings high scores
ThomastheChessEngine
46
jugadatorrerifica
33
YourBestChessMove
33
Constantinople
33
nickolaosgr
26
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