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 1 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Queen 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
YoureExcused
93
Origynalx3
92
donklemonglr
82
LeafySnack
79
Crazydmitreg
77
Three high scores
LeafySnack
65
dcc_london
60
Plattfuss
55
donklemonglr
55
twotonostrich
54
Most infinity puzzles solved
Meherpreet
395
Emiliako
244
Boing630
218
cezrun64
183
emanresu341
148
Past 24 hours
Haste high scores
Origynalx3
92
LeafySnack
79
Silvia
72
omarjaba
46
Laparrilla
41
Three high scores
LeafySnack
65
dcc_london
57
Plattfuss
48
cezrun64
38
Niraj_Desai
32
Most infinity puzzles solved
cezrun64
128
vecna
120
DrOlliver
60
PaintedLeaves
45
Korenar
41
Yesterday
Fastest speedruns
Boby
111.7s
Korenar
134.0s
Plattfuss
141.4s
pseudonym
147.6s
Kristian2504
169.0s
Countdown high scores
Plattfuss
60
crystalwrists
38
sounili
23
pseudonym
22
Unique puzzles solved
patekmatek
497
donklemonglr
328
pseudonym
303
csavard
286
Silvia
230
Today
Fastest speedruns
LeafySnack
94.2s
Kristian2504
117.3s
Boby
119.2s
Plattfuss
125.8s
Korenar
352.6s
Countdown high scores
LeafySnack
65
cezrun64
63
Plattfuss
59
Unique puzzles solved
LeafySnack
1365
dcc_london
236
cezrun64
228
Origynalx3
206
Josep_Arocas_14
202
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
xequematica
53
nickolaosgr
45
vecna
18
Rook endgames high scores
Arlanda_Airport
30
nickolaosgr
26
emanresu341
12
Openings high scores
nickolaosgr
28
TripodSquare
21
vecna
10
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