B
litz
T
actics
Achievements
Sign up
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 22 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Mate In1
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
josgar05
91
YoureExcused
78
Mohammad_jabari
76
Silvia
76
luuu
74
Three high scores
twotonostrich
59
dcc_london
56
YourWorstKnightmare5
52
KirinoKousaka
50
Adriano_BSB
41
Most infinity puzzles solved
cricketsong
1001
Meherpreet
231
lemondestfou
215
PaintedLeaves
208
safary
182
Past 24 hours
Haste high scores
luuu
73
Mohammad_jabari
65
twotonostrich
63
Silvia
63
regenschauer
60
Three high scores
twotonostrich
58
dcc_london
52
crystalwrists
35
Adriano_BSB
31
heyda
21
Most infinity puzzles solved
cricketsong
87
Faust
32
zebeW
21
safary
13
lemondestfou
13
Yesterday
Fastest speedruns
LeafySnack
62.2s
Kristian2504
91.3s
twotonostrich
117.0s
Konstantin0201
153.1s
crystalwrists
208.5s
Countdown high scores
twotonostrich
72
Adriano_BSB
37
lemondestfou
35
crystalwrists
34
Jimbo
30
Unique puzzles solved
troysharples
815
twotonostrich
445
omarjaba
398
Mohammad_jabari
382
dcc_london
235
Today
Unique puzzles solved
troysharples
173
zebeW
27
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
Niraj_Desai
68
QBrown
47
troysharples
44
zebeW
6
Rook endgames high scores
MiCuGue
65
safary
52
AryehPaniel
35
QBrown
29
Simple0pawn
23
Openings high scores
LeafySnack
69
AryehPaniel
29
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