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 3 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Mate In2
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
josgar05
95
Origynalx3
87
Mohammad_jabari
76
mikezchess
73
Three high scores
dcc_london
57
Phenomenonly
55
KirinoKousaka
55
Plattfuss
53
twopawn
32
Most infinity puzzles solved
droubbley
540
jam67
397
gewetz
379
nose
248
JRoger
242
Past 24 hours
Haste high scores
Phenomenonly
99
josgar05
81
Origynalx3
77
KirinoKousaka
70
Silvia
69
Three high scores
KirinoKousaka
55
Phenomenonly
55
dcc_london
52
Aa11001100
26
MartialGuard
24
Most infinity puzzles solved
jam67
59
DrOlliver
50
nose
50
jajapple
41
Ladas65
40
Yesterday
Fastest speedruns
Phenomenonly
71.9s
Rawkward
108.7s
gewetz
150.0s
Tuerce
166.4s
Countdown high scores
Phenomenonly
75
law
46
jwwells42
35
NityamSuthar123
28
Dhakiyah
22
Unique puzzles solved
KirinoKousaka
487
Phenomenonly
288
gewetz
257
vakkomondor
202
Origynalx3
198
Today
Fastest speedruns
Phenomenonly
55.4s
Boby
66.8s
Rawkward
96.5s
Vik007
149.0s
acatnamedchicken
290.2s
Countdown high scores
Phenomenonly
51
Vik007
39
Dhakiyah
28
RGLezz
15
Unique puzzles solved
Phenomenonly
985
vakkomondor
425
Vicky
179
Origynalx3
147
KirinoKousaka
139
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
daryana
60
Vicky
58
MasterPru2k
44
Rook endgames high scores
dcc_london
93
Phenomenonly
90
Frandy
51
Vicky
32
anh_ce
30
Openings high scores
Phenomenonly
72
anh_ce
18
MasterPru2k
18
i_learntoplaychess
16
RGLezz
3
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