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 6 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Mate In2
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
Origynalx3
94
Laparrilla
85
Mohammad_jabari
83
Silvia
81
Minos
80
Three high scores
dcc_london
56
KirinoKousaka
50
NazeYouka
46
twopawn
40
wubadubalublub
38
Most infinity puzzles solved
anh_ce
184
Mastrocoltello
105
nose
100
MasterP2k
85
sharepointme
79
Past 24 hours
Haste high scores
Silvia
80
KirinoKousaka
65
omarjaba
57
chuss
44
FireEater321
39
Three high scores
dcc_london
55
KirinoKousaka
50
Most infinity puzzles solved
Mastrocoltello
37
anh_ce
21
A1ejo_09
15
Bhaskar_2001
9
zardax
7
Yesterday
Fastest speedruns
QREWXTZY
61.1s
Kristian2504
92.2s
somniatori
133.7s
jugadatorrerifica
150.6s
Countdown high scores
Amaro
52
Frandy
39
somniatori
33
mpmetu
26
powerlifter1000
19
Unique puzzles solved
Vicky
316
omarjaba
266
G3ARLX
212
jugadatorrerifica
187
Silvia
161
Today
Fastest speedruns
Konstantin0201
96.1s
Kristian2504
107.6s
jugadatorrerifica
168.3s
powerlifter1000
174.8s
Countdown high scores
Frandy
70
mpmetu
22
powerlifter1000
14
Unique puzzles solved
jugadatorrerifica
231
omarjaba
203
Silvia
138
smuratore
118
FireEater321
118
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
77
jugadatorrerifica
66
Vicky
42
KingSirO
21
Rook endgames high scores
dcc_london
79
jugadatorrerifica
58
RidhamShah
54
G3ARLX
49
Frandy
44
Openings high scores
AryehPaniel
43
wubadubalublub
40
jugadatorrerifica
38
smuratore
33
Bhaskar_2001
31
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