B
litz
T
actics
Achievements
Sign up
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 15 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Skewer
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
99
Origynalx3
92
josgar05
85
evildays
81
mikezchess
81
Three high scores
Phenomenonly
61
dcc_london
56
Squarenerd
52
Plattfuss
47
Vega9001
37
Most infinity puzzles solved
WildheartGuff
358
Sensei_T
301
nose
295
ap_is_the_best
227
Hayate_kun
128
Past 24 hours
Haste high scores
Phenomenonly
86
Laparrilla
58
Squarenerd
57
mikezchess
56
Origynalx3
45
Three high scores
Phenomenonly
55
Squarenerd
52
twopawn
34
linearline
33
Vega9001
21
Most infinity puzzles solved
Constantinople
46
Squarenerd
31
nose
20
king_geometry
9
papadoble
6
Yesterday
Fastest speedruns
LeafySnack
48.1s
mikezchess
86.3s
Phenomenonly
87.7s
SalientDiamond
95.1s
Rawkward
107.6s
Countdown high scores
Phenomenonly
100
Rawkward
41
Vega9001
37
valen13221
33
Fast_BlitzRacerX23
23
Unique puzzles solved
Phenomenonly
886
Origynalx3
288
ThomasH
221
Rawkward
158
Vega9001
150
Today
Fastest speedruns
Squarenerd
50.4s
Rawkward
128.9s
Countdown high scores
Phenomenonly
56
Squarenerd
35
Rawkward
34
Unique puzzles solved
Squarenerd
670
jugadatorrerifica
122
IzanPa
83
anh_ce
79
Rawkward
64
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
ThomasH
87
jugadatorrerifica
68
Rawkward
49
Maslenok
43
Rook endgames high scores
dcc_london
100
Phenomenonly
98
Squarenerd
72
anh_ce
21
Openings high scores
Phenomenonly
92
jugadatorrerifica
20
anh_ce
18
MaexchenStefan
14
LouisC
11
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