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 17 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
100
Silvia
84
josgar05
78
Plattfuss
65
Three high scores
Phenomenonly
57
dcc_london
55
KirinoKousaka
55
Plattfuss
49
jajapple
34
Most infinity puzzles solved
little_bear12345
289
droubbley
278
Ohanna_2020
198
JRoger
166
jajapple
118
Past 24 hours
Haste high scores
Origynalx3
99
josgar05
57
Plattfuss
44
jenny_g
27
roscaenall
23
Three high scores
KirinoKousaka
46
Plattfuss
43
twopawn
30
soriafabricio
27
MartialGuard
23
Most infinity puzzles solved
Ohanna_2020
66
JRoger
23
nose
22
jam67
21
grizz
16
Yesterday
Fastest speedruns
Phenomenonly
78.1s
Plattfuss
141.6s
Rawkward
146.4s
agndum
168.1s
nickolaosgr
320.4s
Countdown high scores
Phenomenonly
67
Plattfuss
58
law
35
Unique puzzles solved
Phenomenonly
292
soriafabricio
185
Plattfuss
165
KirinoKousaka
150
Origynalx3
116
Today
Countdown high scores
jenny_g
30
Unique puzzles solved
soriafabricio
251
KirinoKousaka
102
smuratore
83
Ohanna_2020
66
Vanquisherchess
45
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
jugadatorrerifica
66
smuratore
62
MasterPru2k
49
anh_ce
35
Rook endgames high scores
Phenomenonly
79
jugadatorrerifica
33
anh_ce
24
MasterPru2k
24
Openings high scores
Phenomenonly
72
smuratore
35
MasterPru2k
31
anh_ce
19
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