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: Pawn 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
Phenomenonly
100
Origynalx3
89
evildays
87
josgar05
83
JaviAlcanyiz_99
73
Three high scores
Phenomenonly
62
dcc_london
59
Plattfuss
56
KirinoKousaka
54
MSanand
48
Most infinity puzzles solved
nose
451
jam67
387
usernoname
235
WildheartGuff
184
sebaszeuss
177
Past 24 hours
Haste high scores
Phenomenonly
100
josgar05
71
evildays
70
mikezchess
62
vakkomondor
61
Three high scores
girdav
48
twopawn
39
vakkomondor
36
smuratore
35
MSanand
29
Most infinity puzzles solved
jam67
85
danthehost
63
WildheartGuff
54
nose
53
Nayrita252
53
Yesterday
Fastest speedruns
Phenomenonly
76.8s
Kristian2504
85.4s
Konstantin0201
151.7s
jugadatorrerifica
251.9s
Countdown high scores
Phenomenonly
100
law
40
valen13221
35
Unique puzzles solved
Phenomenonly
1314
evildays
591
dcc_london
380
XavierFRA
261
usernoname
235
Today
Fastest speedruns
Kristian2504
77.2s
Phenomenonly
77.9s
mikezchess
78.4s
Konstantin0201
106.0s
vakkomondor
108.5s
Countdown high scores
Phenomenonly
100
joaocsp
51
vakkomondor
47
Vega9001
38
Radpot
18
Unique puzzles solved
evildays
366
XavierFRA
360
vakkomondor
356
Phenomenonly
326
josgar05
261
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
Phenomenonly
100
dcc_london
100
jugadatorrerifica
67
NaulitoPurito
58
MasterPru2k
47
Rook endgames high scores
Phenomenonly
94
dcc_london
85
anh_ce
27
pigeon
13
Openings high scores
jugadatorrerifica
43
nickolaosgr
22
anh_ce
20
MasterPru2k
12
pigeon
9
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