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 1 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
Silvia
82
Origynalx3
74
Plattfuss
73
JaviAlcanyiz_99
72
Laparrilla
70
Three high scores
dcc_london
58
KirinoKousaka
57
twotonostrich
57
PatternMismatch
53
Plattfuss
46
Most infinity puzzles solved
Vega9001
250
Everest912
200
arkeddie
119
kafework
109
Oliver
91
Past 24 hours
Haste high scores
KirinoKousaka
68
PatternMismatch
66
Mohammad_jabari
66
Silvia
57
MarSe_33
34
Three high scores
dcc_london
57
KirinoKousaka
54
PatternMismatch
53
ThomastheChessEngine
38
twopawn
36
Most infinity puzzles solved
Everest912
71
Vega9001
21
oualithium
21
DidYouSeeMyMana
17
arkeddie
15
Yesterday
Fastest speedruns
mang0sunr1s3
94.7s
Kristian2504
106.6s
Konstantin0201
207.9s
anh_ce
306.4s
Countdown high scores
Frandy
66
Unique puzzles solved
anh_ce
413
AryehPaniel
407
dcc_london
201
jugadatorrerifica
183
smuratore
131
Today
Fastest speedruns
Kristian2504
71.8s
RidhamShah
82.3s
Konstantin0201
185.1s
ExirK
191.4s
anh_ce
203.8s
Countdown high scores
Frandy
71
jugadatorrerifica
34
Unique puzzles solved
anh_ce
408
KirinoKousaka
366
Mohammad_jabari
339
PatternMismatch
314
jugadatorrerifica
307
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
93
jugadatorrerifica
69
AryehPaniel
57
Vicky
48
MatTactics
39
Rook endgames high scores
dcc_london
88
Frandy
68
jugadatorrerifica
58
AryehPaniel
38
Vicky
29
Openings high scores
dcc_london
84
AryehPaniel
49
jugadatorrerifica
47
Vicky
39
wubadubalublub
37
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