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 4 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
evildays
82
Silvia
81
Origynalx3
76
bybos
70
KirinoKousaka
65
Three high scores
bybos
60
dcc_london
60
Leviackerman594
51
KirinoKousaka
50
Plattfuss
46
Most infinity puzzles solved
lemondestfou
1764
bybos
289
Vega9001
218
Osamodas
106
DrOlliver
50
Past 24 hours
Haste high scores
Origynalx3
63
Mohammad_jabari
62
Plattfuss
44
dayb
37
Laparrilla
33
Three high scores
Plattfuss
46
twopawn
39
wubadubalublub
36
cezrun64
32
smuratore
29
Most infinity puzzles solved
Diegoak
7
M4st3rm1nd
5
Fallbook
4
Amrit127
3
salvado_xy55
2
Yesterday
Fastest speedruns
Leviackerman594
55.2s
QREWXTZY
59.1s
Kristian2504
98.9s
Plattfuss
103.8s
jugadatorrerifica
149.6s
Countdown high scores
Frandy
64
Plattfuss
59
Leviackerman594
54
anaqi
26
Unique puzzles solved
dcc_london
522
Vega9001
323
Frandy
304
lemondestfou
285
smuratore
253
Today
Fastest speedruns
mikezchess
76.3s
Kristian2504
78.9s
Konstantin0201
87.2s
SoNarciso
92.5s
jugadatorrerifica
159.7s
Countdown high scores
Frandy
69
nickolaosgr
24
salvado_xy55
24
fesda
22
Unique puzzles solved
Frandy
401
nickolaosgr
328
jugadatorrerifica
246
Vicky
240
MatTactics
158
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
87
jugadatorrerifica
73
Vicky
55
smuratore
55
MatTactics
51
Rook endgames high scores
dcc_london
87
Frandy
68
jugadatorrerifica
62
Vega9001
40
nickolaosgr
33
Openings high scores
Vega9001
65
jugadatorrerifica
47
Vicky
26
nickolaosgr
23
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