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 15 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
Origynalx3
100
Phenomenonly
99
evildays
87
Silvia
80
Mohammad_jabari
71
Three high scores
dcc_london
57
Phenomenonly
56
Squarenerd
52
Plattfuss
49
KirinoKousaka
46
Most infinity puzzles solved
droubbley
324
nose
302
WildheartGuff
121
Constantinople
106
grudge7411
79
Past 24 hours
Haste high scores
Phenomenonly
95
Origynalx3
79
Laparrilla
56
Plattfuss
49
Tantalyse
37
Three high scores
dcc_london
56
Plattfuss
49
king_geometry
39
smuratore
32
Constantinople
30
Most infinity puzzles solved
grudge7411
79
Constantinople
60
WildheartGuff
53
nose
44
JRoger
35
Yesterday
Fastest speedruns
Phenomenonly
37.6s
king_geometry
38.1s
Kristian2504
43.9s
Rawkward
56.5s
Konstantin0201
60.5s
Countdown high scores
Phenomenonly
100
Plattfuss
45
Rawkward
42
Lui_GF
30
valen13221
29
Unique puzzles solved
dcc_london
431
Phenomenonly
266
Norte09
242
Lui_GF
170
Plattfuss
165
Today
Fastest speedruns
LeafySnack
63.2s
Rawkward
132.3s
jugadatorrerifica
189.1s
valen13221
203.5s
Countdown high scores
Rawkward
40
valen13221
24
Unique puzzles solved
Tantalyse
267
Rawkward
230
raghav00
147
valen13221
135
jugadatorrerifica
114
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
evildays
92
jugadatorrerifica
69
smuratore
58
Rook endgames high scores
Phenomenonly
100
dcc_london
96
Maslenok
35
jugadatorrerifica
32
Vicky
26
Openings high scores
Phenomenonly
99
evildays
59
Rawkward
27
nickolaosgr
22
Maslenok
22
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