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: Opening
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
95
josgar05
83
Mohammad_jabari
77
Laparrilla
76
Three high scores
Phenomenonly
59
dcc_london
56
KirinoKousaka
50
Plattfuss
48
ThomasH
39
Most infinity puzzles solved
WildheartGuff
705
Sensei_T
553
nose
279
ap_is_the_best
216
noqueenz
117
Past 24 hours
Haste high scores
Phenomenonly
99
Origynalx3
92
Mohammad_jabari
77
Laparrilla
76
Plattfuss
75
Three high scores
Phenomenonly
58
dcc_london
53
Plattfuss
47
Vega9001
37
twopawn
32
Most infinity puzzles solved
ap_is_the_best
216
Sensei_T
153
WildheartGuff
92
NASUS93
73
Hayate_kun
65
Yesterday
Fastest speedruns
LeafySnack
56.7s
Phenomenonly
86.3s
Kristian2504
106.7s
Rawkward
152.9s
Plattfuss
157.1s
Countdown high scores
Phenomenonly
98
Plattfuss
51
Rawkward
44
N2Terrible
41
Vega9001
37
Unique puzzles solved
Phenomenonly
1694
Mohammad_jabari
524
dcc_london
364
evildays
318
Maslenok
233
Today
Fastest speedruns
Phenomenonly
58.5s
agndum
132.8s
Countdown high scores
Phenomenonly
57
Unique puzzles solved
Tantalyse
270
Mohammad_jabari
137
i_sei
133
Phenomenonly
83
jugadatorrerifica
78
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
75
ookinizay
74
ThomasH
64
Rook endgames high scores
Phenomenonly
99
dcc_london
99
jugadatorrerifica
39
Maslenok
39
Vicky
29
Openings high scores
Phenomenonly
96
SalientDiamond
61
jugadatorrerifica
43
Rawkward
23
Maslenok
22
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