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: Pawn 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
donklemonglr
86
Silvia
83
Plattfuss
79
Laparrilla
65
Three high scores
Phenomenonly
56
dcc_london
53
Plattfuss
49
Miau
40
twopawn
38
Most infinity puzzles solved
WildheartGuff
695
korvmedmos97
402
droubbley
214
DrOlliver
150
Hayate_kun
136
Past 24 hours
Haste high scores
Phenomenonly
100
donklemonglr
82
bliztnoob
61
Laparrilla
48
Plattfuss
46
Three high scores
Phenomenonly
56
Plattfuss
47
Laparrilla
35
linearline
34
valen13221
28
Most infinity puzzles solved
Miau
108
WildheartGuff
89
DrOlliver
50
Hayate_kun
33
nose
30
Yesterday
Fastest speedruns
Phenomenonly
88.0s
Kristian2504
89.0s
mikezchess
94.7s
prawnsacrifice
148.3s
Konstantin0201
161.3s
Countdown high scores
Phenomenonly
84
Plattfuss
51
prawnsacrifice
49
bliztnoob
48
valen13221
35
Unique puzzles solved
Phenomenonly
725
donklemonglr
294
bliztnoob
187
linearline
179
Laparrilla
170
Today
Fastest speedruns
Kristian2504
91.9s
Konstantin0201
121.6s
valen13221
181.7s
Countdown high scores
bliztnoob
51
Miau
36
law
31
cezrun64
29
valen13221
28
Unique puzzles solved
bliztnoob
279
Maslenok
262
Laparrilla
261
UsulAMB
205
donklemonglr
166
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
Zsomborvagyok
51
smuratore
47
Rook endgames high scores
Phenomenonly
91
dcc_london
90
Maslenok
39
JRoger
27
anh_ce
26
Openings high scores
dcc_london
76
Maslenok
26
anh_ce
21
ahn_chess
7
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