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: Mate In1
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
Nickus67
90
Origynalx3
89
JaviAlcanyiz_99
78
CorporiAlieni
75
Laparrilla
67
Three high scores
twotonostrich
59
dcc_london
53
JaviAlcanyiz_99
53
KirinoKousaka
53
Plattfuss
48
Most infinity puzzles solved
cristhian
657
RobDaVinci
352
droubbley
236
AlwaysPrime_64
231
Ladas65
218
Past 24 hours
Haste high scores
CorporiAlieni
75
JaviAlcanyiz_99
68
KirinoKousaka
59
chuss
52
ChessWizard424
44
Three high scores
KirinoKousaka
53
YourBestChessMove
29
QBrown
28
davidyomtobian
28
daryana
21
Most infinity puzzles solved
AZazwinner
144
droubbley
84
cristhian
76
Macrotonal
18
lemondestfou
14
Yesterday
Fastest speedruns
MukanKaganTurk
55.7s
CorporiAlieni
79.8s
Korenar
102.8s
biplavchess
177.4s
vasikvasikvasikvasik
179.7s
Countdown high scores
Amaro
53
Frandy
53
ChMouse
27
HuLgO27
25
biplavchess
16
Unique puzzles solved
MateMentor
461
CorporiAlieni
360
JaviAlcanyiz_99
298
anh_ce
246
biplavchess
200
Today
Fastest speedruns
AZazwinner
61.6s
ChMouse
112.0s
biplavchess
126.3s
davidyomtobian
138.7s
John97
174.7s
Countdown high scores
Frandy
46
ajkps
32
ChMouse
24
biplavchess
17
Unique puzzles solved
MateMentor
572
CorporiAlieni
363
AZazwinner
295
JaviAlcanyiz_99
290
anh_ce
224
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
jugadatorrerifica
67
Vicky
50
MasterPru2k
47
smuratore
46
biplavchess
42
Rook endgames high scores
jugadatorrerifica
35
nickolaosgr
33
MasterPru2k
30
Vicky
30
anh_ce
23
Openings high scores
jugadatorrerifica
44
Vicky
26
nickolaosgr
24
anh_ce
20
ChMouse
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