B
litz
T
actics
Achievements
Sign up
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 7 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Trapped Piece
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
luuu
100
Origynalx3
97
donklemonglr
95
tusharmurali
89
JaviAlcanyiz_99
89
Three high scores
donklemonglr
56
dcc_london
56
KirinoKousaka
51
JaviAlcanyiz_99
50
Plattfuss
47
Most infinity puzzles solved
threexk
719
WildheartGuff
619
hnzngrmpf
142
Srid
99
i_sei
85
Past 24 hours
Haste high scores
luuu
100
JaviAlcanyiz_99
89
Silvia
54
jugadatorrerifica
32
MyPawnsEatPpl
30
Three high scores
dcc_london
56
KirinoKousaka
51
twopawn
35
Vik007
32
Leandro22
32
Most infinity puzzles solved
hnzngrmpf
26
El_gustavi
23
Leandro22
11
Sakucolor
11
yuh
5
Yesterday
Fastest speedruns
AkselWellington
58.9s
mikezchess
69.4s
Kristian2504
75.6s
Konstantin0201
90.5s
threexk
118.0s
Countdown high scores
AkselWellington
58
somniatori
35
Vik007
31
j_chess
12
Unique puzzles solved
threexk
637
anh_ce
303
JaviAlcanyiz_99
284
donklemonglr
255
luuu
123
Today
Fastest speedruns
Kristian2504
107.5s
Konstantin0201
115.2s
Leandro22
140.3s
Ishabah
199.6s
nickolaosgr
253.8s
Countdown high scores
law
46
Leandro22
35
nickolaosgr
23
Unique puzzles solved
dcc_london
266
anh_ce
246
Leandro22
239
JaviAlcanyiz_99
236
Ishabah
164
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
60
e3Gewinnt
49
MatTactics
48
Vicky
46
Rook endgames high scores
dcc_london
66
jugadatorrerifica
55
e3Gewinnt
36
Vicky
29
anh_ce
25
Openings high scores
dcc_london
81
AkselWellington
55
jugadatorrerifica
35
smuratore
35
MatTactics
34
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