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: Defensive Move
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
bybos
77
Mohammad_jabari
76
KirinoKousaka
76
Three high scores
bybos
60
dcc_london
57
KirinoKousaka
52
Plattfuss
48
jakbie
45
Most infinity puzzles solved
lemondestfou
964
jugadatorrerifica
202
bybos
163
ChessWizard424
147
DrOlliver
50
Past 24 hours
Haste high scores
bybos
77
Silvia
74
Plattfuss
67
evildays
55
jakbie
52
Three high scores
bybos
60
KirinoKousaka
52
Plattfuss
48
ChessWizard424
34
wubadubalublub
33
Most infinity puzzles solved
lemondestfou
216
bybos
17
ChessWizard424
12
benyuiop
4
Boing630
2
Yesterday
Fastest speedruns
bybos
83.6s
Plattfuss
88.8s
Kristian2504
93.6s
ChessWizard424
135.3s
Konstantin0201
151.7s
Countdown high scores
Frandy
72
Plattfuss
51
bybos
50
nickolaosgr
37
ChessWizard424
37
Unique puzzles solved
ChessWizard424
488
bybos
452
lemondestfou
313
Mohammad_jabari
282
Plattfuss
192
Today
Fastest speedruns
Kristian2504
105.6s
Konstantin0201
121.1s
bybos
132.8s
jugadatorrerifica
278.8s
Nemesisjr12
288.3s
Countdown high scores
Frandy
71
cezrun64
54
N2Terrible
43
Nemesisjr12
33
nickolaosgr
29
Unique puzzles solved
KirinoKousaka
300
Silvia
276
bybos
212
nickolaosgr
195
Nemesisjr12
155
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
wubadubalublub
62
jugadatorrerifica
61
Vicky
58
smuratore
49
Rook endgames high scores
dcc_london
76
nickolaosgr
28
Vicky
16
Perezocito11
14
Openings high scores
bybos
57
jugadatorrerifica
42
nickolaosgr
24
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