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: Mate In3
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
Kayrosas
100
Phenomenonly
99
josgar05
97
evildays
91
LeafySnack
81
Three high scores
dcc_london
57
Phenomenonly
55
MSanand
52
Plattfuss
41
twopawn
39
Most infinity puzzles solved
WildheartGuff
688
korvmedmos97
373
nose
202
Hayate_kun
173
law
75
Past 24 hours
Haste high scores
Phenomenonly
68
Mohammad_jabari
59
mikezchess
49
MateMentor
48
HuLgO27
45
Three high scores
Plattfuss
33
Ke2
29
Aa11001100
28
linearline
27
Vicky
24
Most infinity puzzles solved
Hayate_kun
99
WildheartGuff
80
Chofis
54
FireAnkylosaurus
50
nose
40
Yesterday
Fastest speedruns
LeafySnack
43.4s
Phenomenonly
78.0s
Kristian2504
80.6s
mikezchess
114.6s
Konstantin0201
118.1s
Countdown high scores
LeafySnack
77
Phenomenonly
73
SomeGuyIgloo
61
Plattfuss
51
Miau
41
Unique puzzles solved
Phenomenonly
555
Zsomborvagyok
545
MateMentor
389
Vicky
269
Mohammad_jabari
255
Today
Fastest speedruns
Zsomborvagyok
77.4s
Kristian2504
84.4s
Phenomenonly
96.3s
mikezchess
97.9s
Konstantin0201
126.7s
Countdown high scores
Phenomenonly
63
SomeGuyIgloo
63
Ke2
47
joaocsp
39
Frandy
38
Unique puzzles solved
MateMentor
549
Mohammad_jabari
358
Ke2
356
Maslenok
323
Phenomenonly
308
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
100
LeafySnack
100
jugadatorrerifica
65
Zsomborvagyok
58
Rook endgames high scores
Phenomenonly
100
dcc_london
91
Maslenok
36
Vicky
34
Zsomborvagyok
30
Openings high scores
Phenomenonly
88
LeafySnack
84
dcc_london
78
jugadatorrerifica
44
Zsomborvagyok
35
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