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: Middlegame
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
Silvia
88
JaviAlcanyiz_99
79
Nickus67
77
tusharmurali
76
Origynalx3
73
Three high scores
dcc_london
55
KirinoKousaka
47
JaviAlcanyiz_99
46
Plattfuss
46
Miau
43
Most infinity puzzles solved
WildheartGuff
644
droubbley
545
RedClover
280
Miau
222
NOUS_SOMMES_MERCREDI
214
Past 24 hours
Haste high scores
JaviAlcanyiz_99
79
tusharmurali
75
QREWXTZY
55
chuss
48
Origynalx3
46
Three high scores
JaviAlcanyiz_99
46
KirinoKousaka
45
YourBestChessMove
34
Jose12
30
Most infinity puzzles solved
droubbley
343
NOUS_SOMMES_MERCREDI
214
WildheartGuff
127
dasfloh
109
AnthonyKODITZ
56
Yesterday
Fastest speedruns
Kristian2504
142.5s
Konstantin0201
145.1s
Vega9001
187.2s
Driphan
263.9s
Countdown high scores
davidyomtobian
47
law
39
Miau
26
Vega9001
24
Driphan
19
Unique puzzles solved
JaviAlcanyiz_99
1650
tusharmurali
1545
Anhzaya_Solongo
770
chuss
492
QREWXTZY
428
Today
Fastest speedruns
Kristian2504
135.2s
JaviAlcanyiz_99
141.5s
sonnenwichtel2000
246.0s
dasfloh
319.8s
Konstantin0201
366.6s
Countdown high scores
JaviAlcanyiz_99
42
law
33
davidyomtobian
28
Vega9001
27
Unique puzzles solved
tusharmurali
609
YourBestChessMove
579
JaviAlcanyiz_99
481
chuss
327
AryehPaniel
293
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
Anhzaya_Solongo
74
AryehPaniel
59
MasterPru2k
49
eustasiv
41
anh_ce
33
Rook endgames high scores
Anhzaya_Solongo
46
Vicky
28
Driphan
28
MasterPru2k
24
anh_ce
23
Openings high scores
dcc_london
83
AryehPaniel
37
Vicky
25
anh_ce
19
Driphan
12
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