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: Interference
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
tusharmurali
86
Origynalx3
80
JaviAlcanyiz_99
80
SpoiledKitty
77
Plattfuss
71
Three high scores
dcc_london
59
Plattfuss
52
KirinoKousaka
52
threexk
47
JaviAlcanyiz_99
46
Most infinity puzzles solved
WildheartGuff
713
Yazanaaaaaa
208
Sensei_T
198
Isthistheory
142
elorash
137
Past 24 hours
Haste high scores
Origynalx3
80
JaviAlcanyiz_99
73
Laparrilla
53
roscaenall
30
UsulAMB
27
Three high scores
JaviAlcanyiz_99
46
cezrun64
32
SerpiasUltra
28
Tubular17
23
CEDZomber
22
Most infinity puzzles solved
Sensei_T
198
WildheartGuff
102
nose
34
Maslenok
27
SerpiasUltra
24
Yesterday
Fastest speedruns
AkselWellington
31.4s
UruGuru
37.2s
mikezchess
53.8s
Konstantin0201
59.5s
Kristian2504
81.2s
Countdown high scores
TacticMaster
54
law
29
Vega9001
28
Tubular17
25
Unique puzzles solved
Isthistheory
403
anh_ce
242
JosepArocas_14
235
Sensei_T
205
RishadanPort
194
Today
Fastest speedruns
UruGuru
68.3s
PitiMelon
78.6s
seb2026
128.6s
agndum
161.7s
Tubular17
399.5s
Countdown high scores
Amaro
35
Tubular17
28
law
27
Unique puzzles solved
DonkeyEatingFigs
584
JaviAlcanyiz_99
523
anh_ce
247
UsulAMB
182
Origynalx3
167
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
jugadatorrerifica
68
nista
44
FireAnkylosaurus
41
anh_ce
34
Rook endgames high scores
SalientDiamond
33
MasterPru2k
33
UruGuru
28
jugadatorrerifica
25
anh_ce
22
Openings high scores
smuratore
35
MasterPru2k
22
anh_ce
20
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