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 13 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Bishop Endgame
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
Silvia
91
somniatori
81
jazzk
80
PatternMismatch
80
luuu
78
Three high scores
bartrix1987
63
dcc_london
57
PatternMismatch
53
KirinoKousaka
52
pekka
45
Most infinity puzzles solved
jazzk
209
Vega9001
201
hestingz
91
kafework
84
glushko
84
Past 24 hours
Haste high scores
jazzk
80
Laparrilla
76
PatternMismatch
68
bartrix1987
65
Silvia
64
Three high scores
bartrix1987
63
dcc_london
54
KirinoKousaka
47
Plattfuss
45
ThomastheChessEngine
37
Most infinity puzzles solved
jazzk
209
arkeddie
59
anaqi
18
nose
15
Carles11
11
Yesterday
Fastest speedruns
AthenaKozlie
52.6s
Kristian2504
77.5s
Frandy
79.7s
Konstantin0201
94.0s
Plattfuss
104.1s
Countdown high scores
Frandy
73
Plattfuss
45
leverage8953
32
nickolaosgr
21
Unique puzzles solved
dcc_london
527
Frandy
416
nickolaosgr
314
Vicky
312
Laparrilla
286
Today
Fastest speedruns
Kristian2504
78.5s
Konstantin0201
102.5s
Kim1409
232.4s
Countdown high scores
Amaro
78
jugadatorrerifica
44
jazzk
11
Unique puzzles solved
jazzk
401
KirinoKousaka
321
jugadatorrerifica
204
SpoiledKitty
184
ThomastheChessEngine
167
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
75
jugadatorrerifica
59
Vicky
55
nickolaosgr
47
souldrummer57
47
Rook endgames high scores
dcc_london
99
Frandy
57
jugadatorrerifica
40
Vicky
31
nickolaosgr
24
Openings high scores
dcc_london
66
starttofart
16
anh_ce
15
AlexanderKhromov
9
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