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 6 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Zugzwang
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
96
luuu
84
Minos
80
HusTak
78
Mohammad_jabari
68
Three high scores
dcc_london
59
donklemonglr
54
twotonostrich
53
KirinoKousaka
50
Korenar
42
Most infinity puzzles solved
lemondestfou
230
Vega9001
150
Mastrocoltello
108
anh_ce
103
DrOlliver
100
Past 24 hours
Haste high scores
Silvia
96
luuu
84
HusTak
78
SpoiledKitty
64
josgar05
61
Three high scores
twotonostrich
53
dcc_london
52
twopawn
32
a01
18
shreklover364
12
Most infinity puzzles solved
Vega9001
100
shreklover364
25
lemondestfou
15
Mastrocoltello
13
anh_ce
5
Yesterday
Fastest speedruns
QREWXTZY
98.3s
Kristian2504
147.3s
Avyukt2024
320.5s
Caissa64
327.3s
anh_ce
477.4s
Countdown high scores
Frandy
63
ChessBrilliantCapybara
51
Frederik2010
38
jugadatorrerifica
33
leverage8953
27
Unique puzzles solved
Silvia
651
AryehPaniel
404
Laparrilla
318
luuu
304
jugadatorrerifica
238
Today
Fastest speedruns
Kristian2504
75.0s
twotonostrich
95.6s
Konstantin0201
100.0s
anh_ce
276.4s
Countdown high scores
twotonostrich
73
jugadatorrerifica
37
shreklover364
11
Unique puzzles solved
anh_ce
536
Mohammad_jabari
413
dcc_london
327
Silvia
280
twotonostrich
275
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
74
AryehPaniel
61
Vega9001
55
Vicky
55
Rook endgames high scores
dcc_london
76
jugadatorrerifica
59
Frandy
54
Vicky
32
nickolaosgr
27
Openings high scores
dcc_london
87
AryehPaniel
46
smuratore
35
jugadatorrerifica
34
Vicky
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