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 3 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Interference
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
Minos
100
Silvia
87
Plattfuss
84
goodweather
77
KirinoKousaka
76
Three high scores
dcc_london
58
KirinoKousaka
50
Korenar
45
jakbie
45
Plattfuss
41
Most infinity puzzles solved
lemondestfou
762
jugadatorrerifica
339
ChessWizard424
246
Korenar
84
DrOlliver
50
Past 24 hours
Haste high scores
KirinoKousaka
76
Mohammad_jabari
66
Silvia
62
MarSe_33
58
jugadatorrerifica
42
Three high scores
dcc_london
55
KirinoKousaka
50
flamehead
24
sounili
16
Most infinity puzzles solved
lemondestfou
99
DrOlliver
50
Sputnik
10
Boing630
3
benyuiop
1
Yesterday
Fastest speedruns
QREWXTZY
80.8s
Kristian2504
91.0s
jfrankholmes
109.9s
acatnamedchicken
192.5s
jugadatorrerifica
214.2s
Countdown high scores
Frandy
71
Amaro
40
jfrankholmes
33
jugadatorrerifica
31
MarSe_33
29
Unique puzzles solved
Kovid_30
595
Mohammad_jabari
479
Silvia
410
jugadatorrerifica
332
Vicky
274
Today
Fastest speedruns
Kristian2504
108.2s
QREWXTZY
160.7s
Konstantin0201
174.2s
N2Terrible
175.6s
jugadatorrerifica
257.7s
Countdown high scores
Frandy
31
nickolaosgr
28
N2Terrible
26
Unique puzzles solved
KirinoKousaka
429
Silvia
368
Kovid_30
306
jugadatorrerifica
235
dcc_london
180
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
63
Vicky
58
nickolaosgr
51
wubadubalublub
50
Rook endgames high scores
dcc_london
76
Vicky
32
nickolaosgr
29
Openings high scores
dcc_london
93
wubadubalublub
84
jugadatorrerifica
38
smuratore
36
nickolaosgr
30
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