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 5 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Sacrifice
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
96
luuu
84
Minos
80
HusTak
78
Mohammad_jabari
68
Three high scores
twotonostrich
61
dcc_london
59
donklemonglr
54
Korenar
42
cezrun64
39
Most infinity puzzles solved
lemondestfou
268
Vega9001
150
DrOlliver
100
Mastrocoltello
93
asanovski
79
Past 24 hours
Haste high scores
luuu
77
Silvia
70
HusTak
69
Origynalx3
68
cezrun64
52
Three high scores
dcc_london
55
twotonostrich
51
cezrun64
34
twopawn
26
MasterP2k
23
Most infinity puzzles solved
asanovski
38
Mastrocoltello
10
MasterP2k
9
sfugsfug
6
awsomeanimallover
5
Yesterday
Fastest speedruns
Kristian2504
91.7s
twotonostrich
100.6s
Konstantin0201
150.2s
anh_ce
393.2s
Countdown high scores
twotonostrich
70
Frandy
65
N2Terrible
39
powerlifter1000
25
Unique puzzles solved
anh_ce
423
twotonostrich
290
Frandy
204
dcc_london
200
jugadatorrerifica
180
Today
Fastest speedruns
Konstantin0201
126.7s
RidhamShah
142.7s
Kristian2504
161.3s
sfugsfug
187.7s
PabloARs
310.7s
Countdown high scores
RidhamShah
37
TCH1
30
MasterP2k
19
powerlifter1000
6
Unique puzzles solved
anh_ce
453
RidhamShah
387
Frandy
217
luuu
213
jugadatorrerifica
190
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
dcc_london
100
RidhamShah
69
jugadatorrerifica
61
sfugsfug
55
Vicky
55
Rook endgames high scores
dcc_london
76
RidhamShah
59
Frandy
58
jugadatorrerifica
51
sfugsfug
35
Openings high scores
dcc_london
87
RidhamShah
62
jugadatorrerifica
37
sfugsfug
35
smuratore
35
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