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 20 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Defensive Move
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
93
josgar05
83
Mohammad_jabari
77
Laparrilla
76
Three high scores
Phenomenonly
58
dcc_london
56
KirinoKousaka
50
Plattfuss
48
ThomasH
39
Most infinity puzzles solved
WildheartGuff
822
Sensei_T
701
nose
275
ap_is_the_best
227
noqueenz
117
Past 24 hours
Haste high scores
Phenomenonly
87
luuu
63
Plattfuss
58
Mohammad_jabari
57
Tantalyse
53
Three high scores
dcc_london
55
Phenomenonly
55
Plattfuss
47
twopawn
24
valen13221
21
Most infinity puzzles solved
Sensei_T
148
WildheartGuff
118
LouisC
67
nose
23
Hayate_kun
15
Yesterday
Fastest speedruns
LeafySnack
33.6s
Phenomenonly
58.5s
mikezchess
69.0s
Rawkward
96.8s
Kristian2504
97.4s
Countdown high scores
Phenomenonly
82
Plattfuss
49
Rawkward
42
Vega9001
36
valen13221
28
Unique puzzles solved
Phenomenonly
877
Tantalyse
611
Mohammad_jabari
311
LouisC
292
Plattfuss
176
Today
Fastest speedruns
agndum
175.9s
Countdown high scores
imwithher
15
Unique puzzles solved
jugadatorrerifica
93
LouisC
45
imwithher
41
agndum
30
anh_ce
20
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
ThomasH
81
jugadatorrerifica
75
QREWXTZY
50
Rook endgames high scores
Phenomenonly
99
dcc_london
94
jugadatorrerifica
56
Maslenok
39
Vicky
29
Openings high scores
Phenomenonly
96
SalientDiamond
61
jugadatorrerifica
34
Rawkward
23
anh_ce
20
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