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: Interference
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
JaviAlcanyiz_99
87
prawnsacrifice
73
Plattfuss
68
mikezchess
58
Three high scores
dcc_london
57
Phenomenonly
55
girdav
45
Plattfuss
44
Miau
40
Most infinity puzzles solved
WildheartGuff
708
Maslenok
259
Hayate_kun
161
TparTR
145
lyllw46
117
Past 24 hours
Haste high scores
prawnsacrifice
73
i_sei
50
king_geometry
49
valen13221
28
MasterPru2k
22
Three high scores
dcc_london
57
Vega9001
37
cezrun64
28
valen13221
25
wrc713
21
Most infinity puzzles solved
WildheartGuff
102
Srid
35
Vega9001
13
PepeElToledos
13
thegoat1
13
Yesterday
Fastest speedruns
king_geometry
71.4s
Kristian2504
78.9s
hectorgg
91.1s
Konstantin0201
108.6s
prawnsacrifice
110.5s
Countdown high scores
SomeGuyIgloo
60
lyllw46
35
law
31
thegoat1
30
PepeElToledos
27
Unique puzzles solved
hectorgg
524
prawnsacrifice
236
king_geometry
181
lyllw46
165
Maslenok
142
Today
Fastest speedruns
Kristian2504
90.6s
Phenomenonly
94.4s
agndum
132.6s
prawnsacrifice
146.9s
Vega9001
180.5s
Countdown high scores
Phenomenonly
51
prawnsacrifice
41
cezrun64
40
girdav
39
linearline
39
Unique puzzles solved
prawnsacrifice
401
i_sei
393
dcc_london
225
Vega9001
150
valen13221
138
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
dcc_london
100
smuratore
62
lyllw46
60
MasterPru2k
37
anh_ce
35
Rook endgames high scores
dcc_london
74
Ryan_Deering2000
41
anh_ce
22
MasterPru2k
16
Openings high scores
dcc_london
89
anh_ce
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