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: Bishop Endgame
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
twotonostrich
81
Silvia
81
Three high scores
twotonostrich
58
dcc_london
56
KirinoKousaka
49
NazeYouka
46
twopawn
40
Most infinity puzzles solved
anh_ce
218
nose
210
MasterP2k
87
Mastrocoltello
68
Bhaskar_2001
60
Past 24 hours
Haste high scores
Origynalx3
94
Silvia
67
Plattfuss
65
Noxie22
50
Laparrilla
43
Three high scores
dcc_london
52
twopawn
33
nived_krishnan
27
Leandro22
23
mpmetu
21
Most infinity puzzles solved
MasterP2k
30
anh_ce
21
Leandro22
5
king_geometry
4
Boing630
2
Yesterday
Fastest speedruns
Kristian2504
88.4s
Konstantin0201
92.9s
jugadatorrerifica
170.3s
Leandro22
363.0s
Countdown high scores
powerlifter1000
88
Frandy
78
cezrun64
53
Leandro22
34
Amaro
21
Unique puzzles solved
Silvia
731
Mastrocoltello
306
jugadatorrerifica
297
Laparrilla
230
Mohammad_jabari
171
Today
Fastest speedruns
mikezchess
72.5s
Konstantin0201
94.8s
Kristian2504
108.7s
RidhamShah
123.7s
powerlifter1000
190.8s
Countdown high scores
Frandy
68
RidhamShah
42
mpmetu
21
powerlifter1000
19
MasterP2k
15
Unique puzzles solved
RidhamShah
903
Silvia
250
FireEater321
242
Noxie22
198
mpmetu
158
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
97
RidhamShah
77
jugadatorrerifica
68
nickolaosgr
55
Vicky
53
Rook endgames high scores
dcc_london
79
jugadatorrerifica
58
RidhamShah
54
Frandy
44
Vicky
34
Openings high scores
dcc_london
63
AryehPaniel
43
jugadatorrerifica
42
Vicky
30
nickolaosgr
26
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