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: Mate In2
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
Plattfuss
84
Silvia
82
goodweather
77
Mohammad_jabari
75
Three high scores
dcc_london
58
KirinoKousaka
53
Plattfuss
46
Korenar
45
jakbie
45
Most infinity puzzles solved
lemondestfou
734
jugadatorrerifica
339
ChessWizard424
156
luizfernandoalves
128
Puredication
126
Past 24 hours
Haste high scores
Minos
100
Mohammad_jabari
75
luuu
62
wubadubalublub
47
Pun_e4
43
Three high scores
dcc_london
56
jakbie
45
Korenar
45
cezrun64
37
ChessWizard424
31
Most infinity puzzles solved
lemondestfou
178
jugadatorrerifica
57
ChessWizard424
45
Eduardolf044
20
jsch61KA
16
Yesterday
Fastest speedruns
Kristian2504
103.2s
Konstantin0201
126.2s
ChessWizard424
127.8s
jugadatorrerifica
249.5s
nickolaosgr
385.2s
Countdown high scores
Frandy
72
Amaro
67
cezrun64
55
lemondestfou
42
nickolaosgr
27
Unique puzzles solved
ChessWizard424
687
dcc_london
635
Silvia
555
Mohammad_jabari
443
jugadatorrerifica
225
Today
Fastest speedruns
misteriosoches
57.4s
ChessWizard424
97.1s
Kristian2504
109.2s
Konstantin0201
121.2s
Korenar
133.2s
Countdown high scores
Amaro
78
Frandy
74
ChessWizard424
42
anaqi
30
clinares
26
Unique puzzles solved
Mohammad_jabari
986
ChessWizard424
254
Kovid_30
250
luuu
217
jugadatorrerifica
193
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
99
wubadubalublub
75
jugadatorrerifica
65
smuratore
47
Niraj_Desai
45
Rook endgames high scores
dcc_london
95
Crazydmitreg
81
Niraj_Desai
43
jakbie
40
QBrown
31
Openings high scores
dcc_london
80
jugadatorrerifica
43
Niraj_Desai
40
Iamwind
24
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