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 1 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Mate In2
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
Origynalx3
99
Silvia
79
twotonostrich
77
Plattfuss
70
JaviAlcanyiz_99
69
Three high scores
twotonostrich
54
dcc_london
54
KirinoKousaka
50
Korenar
50
Plattfuss
50
Most infinity puzzles solved
Vega9001
638
nose
200
RedClover
146
pigeon
118
cristhian
85
Past 24 hours
Haste high scores
Plattfuss
70
evildays
68
Silvia
64
JaviAlcanyiz_99
60
KirinoKousaka
56
Three high scores
dcc_london
53
Plattfuss
50
KirinoKousaka
45
ZugzuawngX
33
MartialGuard
23
Most infinity puzzles solved
Vega9001
184
cristhian
82
RedClover
64
ZugzuawngX
36
pigeon
14
Yesterday
Fastest speedruns
MukanKaganTurk
60.3s
Kristian2504
89.6s
Konstantin0201
137.4s
Countdown high scores
Frandy
52
MaidenKnight
44
ChessBrilliantCapybara
19
owitithecreator
5
Unique puzzles solved
chuss
415
anh_ce
310
Laparrilla
288
Vega9001
135
souldrummer57
95
Today
Fastest speedruns
misteriosoches
56.1s
Kristian2504
94.6s
Countdown high scores
ChessBrilliantCapybara
69
Frandy
68
ZugzuawngX
65
Amaro
62
lemondestfou
54
Unique puzzles solved
ZugzuawngX
316
JaviAlcanyiz_99
266
anh_ce
236
dcc_london
195
chuss
187
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
57
smuratore
51
nickolaosgr
43
souldrummer57
43
Rook endgames high scores
dcc_london
67
Frandy
58
jugadatorrerifica
41
Vicky
31
MasterPru2k
23
Openings high scores
dcc_london
56
ZugzuawngX
39
jugadatorrerifica
37
nickolaosgr
23
anh_ce
18
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