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 7 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Knight 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
92
josgar05
85
Mohammad_jabari
75
JaviAlcanyiz_99
75
KirinoKousaka
72
Three high scores
dcc_london
55
KirinoKousaka
51
JaviAlcanyiz_99
46
samuelmartin
40
Vega9001
38
Most infinity puzzles solved
sharepointme
1771
glushko
227
cristhian
212
WildheartGuff
207
davidyomtobian
157
Past 24 hours
Haste high scores
josgar05
85
Silvia
67
rmb14
63
JaviAlcanyiz_99
56
Alcaraz
55
Three high scores
Vega9001
36
YourBestChessMove
29
suso24
28
Sara_Reyes
18
yotambienjuego
15
Most infinity puzzles solved
sharepointme
1771
davidyomtobian
111
Vega9001
72
lucky
49
beowulfpaws
44
Yesterday
Fastest speedruns
Kristian2504
115.8s
Patata_Veloz
123.5s
Vega9001
155.2s
davidyomtobian
263.4s
acatnamedchicken
360.6s
Countdown high scores
law
55
lemondestfou
55
Patata_Veloz
47
N2Terrible
46
MaidenKnight
40
Unique puzzles solved
JaviAlcanyiz_99
328
rmb14
313
davidyomtobian
223
Patata_Veloz
205
jugadatorrerifica
161
Today
Fastest speedruns
Kristian2504
86.9s
Konstantin0201
103.7s
Vega9001
126.8s
Patata_Veloz
141.6s
acatnamedchicken
205.6s
Countdown high scores
Frandy
49
Patata_Veloz
47
davidyomtobian
34
Vega9001
33
Unique puzzles solved
sharepointme
1776
YourBestChessMove
307
Alcaraz
284
Patata_Veloz
258
chuss
243
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
jugadatorrerifica
69
Patata_Veloz
68
Vicky
64
MasterPru2k
47
Rook endgames high scores
dcc_london
100
jugadatorrerifica
54
Vicky
40
MasterPru2k
31
anh_ce
23
Openings high scores
jugadatorrerifica
39
Jair
33
Vicky
30
iconoplasta
23
anh_ce
19
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