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 4 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Zugzwang
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
Origynalx3
96
JaviAlcanyiz_99
93
Laparrilla
88
messyanswer
83
Three high scores
Phenomenonly
56
dcc_london
55
Plattfuss
53
JaviAlcanyiz_99
46
threexk
37
Most infinity puzzles solved
WildheartGuff
746
Pr4teek7
432
PitiMelon
269
SerpiasUltra
201
Sensei_T
198
Past 24 hours
Haste high scores
mikezchess
76
Mohammad_jabari
59
LeafySnack
59
Vik007
39
Vega9001
36
Three high scores
Plattfuss
47
Vega9001
37
cezrun64
32
QBrown
30
Vik007
20
Most infinity puzzles solved
WildheartGuff
100
TparTR
90
Vega9001
27
JRoger
23
SerpiasUltra
14
Yesterday
Fastest speedruns
mikezchess
78.1s
Kristian2504
79.4s
Phenomenonly
88.5s
Plattfuss
148.4s
Konstantin0201
174.0s
Countdown high scores
Phenomenonly
78
lemondestfou
56
Amaro
53
Plattfuss
50
law
41
Unique puzzles solved
AryehPaniel
973
JaviAlcanyiz_99
502
anh_ce
253
UsulAMB
245
Phenomenonly
242
Today
Fastest speedruns
LeafySnack
72.2s
Kristian2504
79.6s
PitiMelon
84.5s
Vega9001
119.1s
Vik007
165.2s
Countdown high scores
Vik007
29
Vega9001
29
law
28
Unique puzzles solved
LeafySnack
634
Mohammad_jabari
181
Vicky
160
Vega9001
159
anh_ce
131
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
LeafySnack
100
Phenomenonly
78
AryehPaniel
58
Vicky
55
anh_ce
36
Rook endgames high scores
Phenomenonly
98
LeafySnack
74
Vicky
34
JRoger
28
anh_ce
25
Openings high scores
Phenomenonly
80
AryehPaniel
44
smuratore
37
anh_ce
24
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