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: Knight Endgame
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
93
Pan_Bombastyczny
85
evildays
82
Origynalx3
82
Plattfuss
66
Three high scores
dcc_london
60
KirinoKousaka
51
Pan_Bombastyczny
51
Leviackerman594
51
Plattfuss
46
Most infinity puzzles solved
lemondestfou
1094
Vega9001
539
Pan_Bombastyczny
527
Fallbook
255
Osamodas
106
Past 24 hours
Haste high scores
Silvia
93
evildays
67
MarSe_33
50
cezrun64
49
girdav
45
Three high scores
dcc_london
55
KirinoKousaka
51
girdav
46
cezrun64
30
twopawn
29
Most infinity puzzles solved
lemondestfou
96
Vega9001
40
wooks2018
39
Frandy
38
Pan_Bombastyczny
27
Yesterday
Fastest speedruns
QREWXTZY
54.0s
Kristian2504
68.7s
Pan_Bombastyczny
94.3s
Konstantin0201
127.5s
MatTactics
168.7s
Countdown high scores
Frandy
69
nickolaosgr
29
Unique puzzles solved
Frandy
500
UsulAMB
410
evildays
393
Pan_Bombastyczny
291
jugadatorrerifica
216
Today
Fastest speedruns
Fallbook
92.8s
Kristian2504
113.5s
girdav
147.4s
Konstantin0201
165.8s
nickolaosgr
292.7s
Countdown high scores
Frandy
66
girdav
40
nickolaosgr
22
clinares
20
Unique puzzles solved
evildays
1064
Silvia
370
dcc_london
304
Kovid_30
279
FireEater321
278
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
Pan_Bombastyczny
72
jugadatorrerifica
68
AryehPaniel
64
nickolaosgr
57
Rook endgames high scores
dcc_london
90
Frandy
66
Pan_Bombastyczny
59
jugadatorrerifica
43
nickolaosgr
31
Openings high scores
dcc_london
94
wubadubalublub
53
AryehPaniel
42
jugadatorrerifica
35
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