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: Pawn 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
Minos
100
Silvia
87
Plattfuss
84
goodweather
77
KirinoKousaka
76
Three high scores
dcc_london
57
bybos
53
KirinoKousaka
50
jakbie
45
Korenar
45
Most infinity puzzles solved
lemondestfou
870
jugadatorrerifica
256
ChessWizard424
246
bybos
146
DrOlliver
50
Past 24 hours
Haste high scores
Mohammad_jabari
76
Origynalx3
59
bybos
48
Silvia
34
roscaenall
20
Three high scores
bybos
53
Maxime_2506
32
MartialGuard
25
Most infinity puzzles solved
lemondestfou
187
bybos
146
TheWanderingTaoist
15
Diegoak
12
MohsenJafari
11
Yesterday
Fastest speedruns
Kristian2504
108.2s
QREWXTZY
160.7s
Konstantin0201
174.2s
N2Terrible
175.6s
jugadatorrerifica
257.7s
Countdown high scores
Amaro
76
bybos
44
Frandy
31
nickolaosgr
28
N2Terrible
26
Unique puzzles solved
KirinoKousaka
429
Silvia
368
bybos
341
Kovid_30
306
jugadatorrerifica
235
Today
Fastest speedruns
bybos
83.6s
Kristian2504
93.6s
Konstantin0201
151.7s
Kim1409
261.8s
acatnamedchicken
271.4s
Countdown high scores
Frandy
66
bybos
50
nickolaosgr
37
Unique puzzles solved
bybos
452
Mohammad_jabari
282
lemondestfou
181
Origynalx3
111
wubadubalublub
77
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
bybos
77
jugadatorrerifica
63
wubadubalublub
62
Vicky
58
MatTactics
23
Rook endgames high scores
dcc_london
76
Vicky
32
Openings high scores
bybos
57
jugadatorrerifica
38
smuratore
36
Vicky
26
solaire
1
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