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 15 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
Origynalx3
100
Phenomenonly
99
josgar05
85
mikezchess
81
evildays
81
Three high scores
Phenomenonly
61
dcc_london
56
Squarenerd
52
Plattfuss
47
KirinoKousaka
46
Most infinity puzzles solved
WildheartGuff
309
Sensei_T
301
droubbley
246
ap_is_the_best
227
nose
210
Past 24 hours
Haste high scores
Origynalx3
100
Silvia
80
Squarenerd
41
Tantalyse
38
chess_person127
30
Three high scores
dcc_london
56
Phenomenonly
54
KirinoKousaka
46
quehagoaca
37
twopawn
36
Most infinity puzzles solved
droubbley
246
Squarenerd
28
Vega9001
22
papadoble
20
elorash
8
Yesterday
Fastest speedruns
Squarenerd
50.4s
mikezchess
76.8s
Rawkward
97.9s
Kristian2504
101.3s
prawnsacrifice
167.3s
Countdown high scores
Phenomenonly
94
Squarenerd
93
law
48
Rawkward
42
Vega9001
36
Unique puzzles solved
Squarenerd
942
Phenomenonly
331
dcc_london
217
Mohammad_jabari
209
Origynalx3
164
Today
Fastest speedruns
Konstantin0201
108.1s
chess_person127
165.8s
valen13221
264.1s
nickolaosgr
444.9s
Countdown high scores
chess_person127
40
valen13221
24
Unique puzzles solved
droubbley
246
chess_person127
159
valen13221
116
Origynalx3
108
quehagoaca
86
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
Phenomenonly
100
dcc_london
100
ThomasH
87
jugadatorrerifica
68
Rawkward
49
Rook endgames high scores
Phenomenonly
98
Squarenerd
72
Maslenok
36
SPDRPortfolio
26
anh_ce
19
Openings high scores
Phenomenonly
92
Squarenerd
76
anh_ce
21
jugadatorrerifica
20
MaexchenStefan
14
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