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: 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
tusharmurali
95
Plattfuss
86
RishadanPort
82
JaviAlcanyiz_99
80
SpoiledKitty
77
Three high scores
dcc_london
59
Plattfuss
52
KirinoKousaka
52
threexk
47
twopawn
40
Most infinity puzzles solved
WildheartGuff
709
FlipTunic61
181
elorash
137
FireAnkylosaurus
113
DrOlliver
100
Past 24 hours
Haste high scores
JaviAlcanyiz_99
80
Origynalx3
68
Plattfuss
58
Silvia
53
RishadanPort
50
Three high scores
dcc_london
55
KirinoKousaka
52
Plattfuss
46
cezrun64
31
CEDZomber
22
Most infinity puzzles solved
WildheartGuff
101
droubbley
61
rhorek
25
FlipTunic61
17
mjgy
17
Yesterday
Fastest speedruns
AkselWellington
54.5s
mikezchess
77.8s
Kristian2504
108.0s
Plattfuss
128.7s
Konstantin0201
150.4s
Countdown high scores
lemondestfou
56
Miau
44
Vega9001
42
Plattfuss
41
Vik007
35
Unique puzzles solved
anh_ce
215
Plattfuss
167
Vega9001
159
RishadanPort
155
Vik007
142
Today
Fastest speedruns
AkselWellington
58.4s
Kristian2504
94.7s
Konstantin0201
120.0s
CEDZomber
227.9s
Countdown high scores
lemondestfou
57
MaidenKnight
30
SerpiasUltra
30
law
26
Unique puzzles solved
Origynalx3
321
JaviAlcanyiz_99
257
anh_ce
216
jugadatorrerifica
206
Polarxdzd
127
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
jugadatorrerifica
58
FireAnkylosaurus
58
Vicky
52
Frandy
48
Rook endgames high scores
dcc_london
79
Frandy
61
jugadatorrerifica
35
Vicky
30
anh_ce
24
Openings high scores
dcc_london
85
AryehPaniel
32
Vicky
22
anh_ce
21
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