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: Sacrifice
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
99
josgar05
93
evildays
87
Plattfuss
86
Origynalx3
83
Three high scores
dcc_london
59
Phenomenonly
58
Plattfuss
56
Casper6600
46
misteriosoches
44
Most infinity puzzles solved
sebaszeuss
450
droubbley
377
nose
303
ithinkicanwin
259
JRoger
159
Past 24 hours
Haste high scores
Phenomenonly
80
Silvia
70
Origynalx3
67
wubadubalublub
55
lyllw46
34
Three high scores
Phenomenonly
58
KirinoKousaka
44
troysharples
32
twopawn
28
valen13221
25
Most infinity puzzles solved
droubbley
114
Ohsisisis67
90
nose
72
sebaszeuss
50
WildheartGuff
50
Yesterday
Fastest speedruns
kardiyoloji
59.6s
Kristian2504
67.4s
Phenomenonly
78.7s
Konstantin0201
101.3s
nickolaosgr
166.6s
Countdown high scores
Phenomenonly
100
Amaro
66
Lui_GF
36
nickolaosgr
26
Jermicide
12
Unique puzzles solved
Phenomenonly
861
TerZen
213
vakkomondor
201
Vicky
188
XavierFRA
177
Today
Fastest speedruns
Phenomenonly
79.3s
Kristian2504
89.2s
Andakon_2002
138.5s
Konstantin0201
139.2s
Rawkward
141.5s
Countdown high scores
Phenomenonly
88
law
37
Angmtxl
10
Unique puzzles solved
Phenomenonly
1035
XavierFRA
379
Origynalx3
222
troysharples
176
wubadubalublub
168
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
65
Maslenok
51
Vicky
50
nickolaosgr
45
Rook endgames high scores
Phenomenonly
93
Frandy
56
nickolaosgr
41
jugadatorrerifica
37
Vicky
35
Openings high scores
Phenomenonly
93
Casper6600
45
smuratore
34
jugadatorrerifica
29
nickolaosgr
25
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