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: Pin
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
93
mikezchess
76
Plattfuss
68
tusharmurali
64
Three high scores
Phenomenonly
56
dcc_london
56
Plattfuss
53
LeafySnack
50
KirinoKousaka
47
Most infinity puzzles solved
WildheartGuff
737
droubbley
374
PitiMelon
214
TparTR
181
Maslenok
176
Past 24 hours
Haste high scores
JaviAlcanyiz_99
78
Plattfuss
68
chuss
49
girdav
46
threexk
45
Three high scores
Phenomenonly
55
dcc_london
55
Plattfuss
44
LeafySnack
40
twopawn
31
Most infinity puzzles solved
WildheartGuff
100
alec519
70
Maslenok
60
JRoger
18
Meloblues
10
Yesterday
Fastest speedruns
Phenomenonly
83.0s
Kristian2504
86.6s
Plattfuss
117.0s
mikezchess
121.4s
Konstantin0201
160.0s
Countdown high scores
Phenomenonly
82
Plattfuss
50
lyllw46
47
valen13221
26
Unique puzzles solved
JaviAlcanyiz_99
1159
Phenomenonly
1026
lyllw46
556
dcc_london
457
Dany0025123
266
Today
Fastest speedruns
LeafySnack
67.1s
Phenomenonly
94.7s
Kristian2504
99.2s
Konstantin0201
161.0s
lyllw46
190.2s
Countdown high scores
LeafySnack
73
Phenomenonly
64
law
36
lyllw46
36
Miau
32
Unique puzzles solved
Phenomenonly
885
JaviAlcanyiz_99
591
Zero_Fallen2
339
lyllw46
289
dcc_london
216
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
90
jugadatorrerifica
65
smuratore
61
MasterPru2k
47
Rook endgames high scores
Phenomenonly
98
dcc_london
96
jugadatorrerifica
43
lyllw46
35
MasterPru2k
28
Openings high scores
dcc_london
94
jugadatorrerifica
31
lyllw46
30
anh_ce
20
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