B
litz
T
actics
Achievements
Sign up
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: Rook 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
Origynalx3
92
evildays
75
Mohammad_jabari
68
wubadubalublub
61
Three high scores
dcc_london
59
KirinoKousaka
51
girdav
46
Korenar
46
Pan_Bombastyczny
40
Most infinity puzzles solved
AbhinavSinha
409
lemondestfou
265
Pan_Bombastyczny
258
Fallbook
223
Garryback
207
Past 24 hours
Haste high scores
KirinoKousaka
56
Origynalx3
50
jugadatorrerifica
46
MarSe_33
43
Jabots
37
Three high scores
dcc_london
55
KirinoKousaka
49
Korenar
45
MaexchenStefan
18
Most infinity puzzles solved
Garryback
145
AbhinavSinha
89
DrOlliver
50
Pan_Bombastyczny
31
stevenfixdale
15
Yesterday
Fastest speedruns
Kristian2504
77.2s
Konstantin0201
99.9s
N2Terrible
164.8s
jugadatorrerifica
174.4s
nickolaosgr
276.1s
Countdown high scores
Amaro
68
Frandy
63
nickolaosgr
33
Unique puzzles solved
Mohammad_jabari
336
AbhinavSinha
320
ChessWizard424
310
Frandy
239
jugadatorrerifica
213
Today
Fastest speedruns
Kristian2504
84.7s
Konstantin0201
130.9s
Countdown high scores
Frandy
78
Amaro
56
AbhinavSinha
31
MarSe_33
30
nickolaosgr
22
Unique puzzles solved
Frandy
503
dcc_london
475
smuratore
252
KirinoKousaka
247
Garryback
145
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
wubadubalublub
70
Pan_Bombastyczny
63
jugadatorrerifica
58
smuratore
55
Rook endgames high scores
dcc_london
88
Frandy
64
jugadatorrerifica
37
Vicky
15
Openings high scores
dcc_london
88
jugadatorrerifica
39
Vicky
16
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