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 8 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Knight 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
PatternMismatch
80
luuu
78
JaviAlcanyiz_99
75
Three high scores
dcc_london
58
KirinoKousaka
57
PatternMismatch
53
Plattfuss
46
girdav
45
Most infinity puzzles solved
Vega9001
201
kafework
193
Everest912
150
Oliver
127
arkeddie
119
Past 24 hours
Haste high scores
luuu
78
KirinoKousaka
64
Silvia
63
jugadatorrerifica
39
MarSe_33
30
Three high scores
dcc_london
53
KirinoKousaka
40
MartialGuard
23
anh_ce
15
twopawn
13
Most infinity puzzles solved
hestingz
79
CupOfTheorem
55
ichiro
11
MasterP2k
10
MartialGuard
9
Yesterday
Fastest speedruns
Frandy
48.2s
Kristian2504
71.8s
anh_ce
190.0s
acatnamedchicken
205.0s
Countdown high scores
Frandy
70
davidyomtobian
40
leverage8953
38
odityya
10
Unique puzzles solved
Silvia
703
Frandy
368
chuss
366
dcc_london
348
vril
287
Today
Fastest speedruns
ichiro
60.6s
mikezchess
76.1s
Kristian2504
105.6s
anh_ce
268.7s
Countdown high scores
Frandy
75
jugadatorrerifica
29
Mamuute
14
Nanilou
11
Unique puzzles solved
Frandy
389
Vicky
344
smuratore
233
jugadatorrerifica
200
Niraj_Desai
180
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
wubadubalublub
64
jugadatorrerifica
64
Vicky
57
Niraj_Desai
53
Rook endgames high scores
Frandy
73
jugadatorrerifica
57
vril
57
Vicky
42
Niraj_Desai
38
Openings high scores
dcc_london
72
jugadatorrerifica
49
wubadubalublub
37
smuratore
26
starttofart
18
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