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 In1
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
luuu
97
Origynalx3
93
Minos
89
Silvia
82
Plattfuss
67
Three high scores
dcc_london
56
KirinoKousaka
54
Techniique
51
jakbie
46
Plattfuss
45
Most infinity puzzles solved
HazePsy
328
lemondestfou
300
Dklopfer
100
Sputnik
84
Lohu79
65
Past 24 hours
Haste high scores
Silvia
74
WinnerForeverVE
66
jakbie
63
Mohammad_jabari
50
benyuiop
43
Three high scores
dcc_london
56
Techniique
51
KirinoKousaka
42
jakbie
41
wubadubalublub
37
Most infinity puzzles solved
lemondestfou
150
HazePsy
46
TRDawsonSaudade
37
ssojer4
35
GabrielArg2004
19
Yesterday
Fastest speedruns
QREWXTZY
81.6s
Kristian2504
101.0s
Plattfuss
116.0s
Konstantin0201
200.0s
jugadatorrerifica
213.5s
Countdown high scores
Frandy
62
Plattfuss
56
Amaro
52
cezrun64
49
lemondestfou
49
Unique puzzles solved
Origynalx3
504
KirinoKousaka
455
Silvia
343
jugadatorrerifica
221
dcc_london
200
Today
Fastest speedruns
Kristian2504
74.5s
nickolaosgr
200.9s
Konstantin0201
497.8s
Countdown high scores
Amaro
85
Frandy
81
cezrun64
53
Techniique
43
GabrielArg2004
28
Unique puzzles solved
Puredication
390
dcc_london
379
Vicky
257
Mohammad_jabari
243
jugadatorrerifica
200
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
89
Hola011
89
Puredication
85
wubadubalublub
75
QREWXTZY
67
Rook endgames high scores
dcc_london
74
jugadatorrerifica
63
nickolaosgr
25
Vicky
23
MatTactics
16
Openings high scores
dcc_london
73
Puredication
48
jugadatorrerifica
48
Maxime_2506
43
AryehPaniel
36
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