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 3 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
Phenomenonly
99
josgar05
93
Origynalx3
89
evildays
87
Plattfuss
86
Three high scores
dcc_london
59
Phenomenonly
58
Plattfuss
56
Casper6600
46
misteriosoches
44
Most infinity puzzles solved
sebaszeuss
395
droubbley
377
nose
374
ithinkicanwin
259
jam67
178
Past 24 hours
Haste high scores
Origynalx3
89
Phenomenonly
83
josgar05
77
JaviAlcanyiz_99
70
HuLgO27
39
Three high scores
dcc_london
58
Phenomenonly
57
girdav
41
twopawn
40
pigeon
17
Most infinity puzzles solved
jam67
147
nose
71
WildheartGuff
50
Hayate_kun
50
JRoger
26
Yesterday
Fastest speedruns
Phenomenonly
79.3s
Kristian2504
89.2s
Andakon_2002
138.5s
Konstantin0201
139.2s
Rawkward
141.5s
Countdown high scores
Phenomenonly
100
law
37
Angmtxl
10
Unique puzzles solved
Phenomenonly
1306
XavierFRA
379
Origynalx3
222
Norte09
177
troysharples
176
Today
Fastest speedruns
Phenomenonly
67.2s
Boby
85.7s
Kristian2504
86.6s
Rawkward
125.7s
Konstantin0201
148.6s
Countdown high scores
Phenomenonly
100
law
37
nickolaosgr
28
Unique puzzles solved
dcc_london
527
Phenomenonly
260
josgar05
223
Norte09
203
XavierFRA
192
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
jugadatorrerifica
65
Maslenok
51
Vicky
50
Rook endgames high scores
Phenomenonly
93
dcc_london
85
Frandy
56
nickolaosgr
41
jugadatorrerifica
37
Openings high scores
Phenomenonly
93
smuratore
34
nickolaosgr
25
anh_ce
23
Vicky
20
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