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 7 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
Phenomenonly
100
donklemonglr
86
Silvia
83
JaviAlcanyiz_99
81
Laparrilla
65
Three high scores
Phenomenonly
56
dcc_london
53
Plattfuss
48
Miau
40
threexk
40
Most infinity puzzles solved
WildheartGuff
707
korvmedmos97
549
droubbley
169
Hayate_kun
152
Vega9001
150
Past 24 hours
Haste high scores
Phenomenonly
98
JaviAlcanyiz_99
81
Mohammad_jabari
53
Plattfuss
42
jakbie
39
Three high scores
Phenomenonly
55
Plattfuss
45
threexk
40
twopawn
35
JMbishop
35
Most infinity puzzles solved
korvmedmos97
263
threexk
136
WildheartGuff
112
Constantinople
101
law
77
Yesterday
Fastest speedruns
Phenomenonly
88.2s
Kristian2504
91.9s
Plattfuss
119.0s
Konstantin0201
121.6s
acatnamedchicken
166.5s
Countdown high scores
Plattfuss
59
Phenomenonly
57
bliztnoob
51
Miau
36
JMbishop
33
Unique puzzles solved
Phenomenonly
462
bliztnoob
279
Maslenok
262
Laparrilla
261
JaviAlcanyiz_99
256
Today
Fastest speedruns
Phenomenonly
87.6s
Kristian2504
110.5s
prawnsacrifice
166.9s
Vega9001
211.7s
Konstantin0201
216.5s
Countdown high scores
Phenomenonly
91
threexk
44
law
37
Vega9001
33
valen13221
32
Unique puzzles solved
Phenomenonly
422
Maslenok
359
threexk
280
Vega9001
151
valen13221
143
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
60
smuratore
47
Maslenok
46
Rook endgames high scores
Phenomenonly
98
dcc_london
90
jugadatorrerifica
41
Maslenok
39
Zsomborvagyok
30
Openings high scores
Phenomenonly
93
dcc_london
76
Maslenok
28
Zsomborvagyok
23
anh_ce
21
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