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 14 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Defensive Move
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
jazzk
93
Silvia
91
Origynalx3
80
luuu
78
SpoiledKitty
77
Three high scores
jazzk
76
bartrix1987
63
dcc_london
56
twotonostrich
53
KirinoKousaka
53
Most infinity puzzles solved
Vega9001
259
jazzk
209
droubbley
190
Lill_Bom_Dill
166
Tsebeht
105
Past 24 hours
Haste high scores
Silvia
78
KirinoKousaka
60
twotonostrich
60
ThomastheChessEngine
52
chuss
48
Three high scores
dcc_london
53
twotonostrich
53
KirinoKousaka
52
twopawn
37
ThomastheChessEngine
32
Most infinity puzzles solved
droubbley
190
pigeon
66
Vega9001
60
anaqi
30
Everest912
28
Yesterday
Fastest speedruns
jazzk
66.4s
mikezchess
82.0s
twotonostrich
159.4s
agndum
181.4s
Countdown high scores
twotonostrich
70
Amaro
69
leverage8953
52
cezrun64
50
jugadatorrerifica
31
Unique puzzles solved
Silvia
979
KirinoKousaka
649
dcc_london
427
chuss
391
jazzk
354
Today
Fastest speedruns
twotonostrich
156.1s
Countdown high scores
twotonostrich
74
Roselam
11
leverage8953
10
Unique puzzles solved
KirinoKousaka
497
Silvia
299
twotonostrich
271
Roselam
121
chuss
118
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
jazzk
65
jugadatorrerifica
65
Vicky
56
nickolaosgr
47
Rook endgames high scores
dcc_london
99
Frandy
57
jugadatorrerifica
40
Vicky
30
nickolaosgr
24
Openings high scores
dcc_london
87
ThomastheChessEngine
60
jugadatorrerifica
41
smuratore
34
nickolaosgr
26
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