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 3 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Pawn 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
Phenomenonly
96
Origynalx3
91
Laparrilla
81
Plattfuss
74
Mohammad_jabari
67
Three high scores
dcc_london
57
Phenomenonly
55
KirinoKousaka
51
MSanand
44
Vega9001
43
Most infinity puzzles solved
WildheartGuff
705
droubbley
584
nose
210
frazi
117
Hayate_kun
107
Past 24 hours
Haste high scores
Phenomenonly
81
i_sei
64
Origynalx3
58
mikezchess
54
HuLgO27
42
Three high scores
dcc_london
56
KirinoKousaka
51
Phenomenonly
49
jenny_g
37
linearline
34
Most infinity puzzles solved
droubbley
307
WildheartGuff
169
Vega9001
53
Vargas7076
49
TparTR
37
Yesterday
Fastest speedruns
Phenomenonly
63.6s
Vega9001
105.0s
agndum
139.1s
valen13221
175.1s
Countdown high scores
Phenomenonly
66
law
47
SomeGuyIgloo
45
valen13221
28
Vega9001
25
Unique puzzles solved
Phenomenonly
382
danyeong123
255
Origynalx3
237
Maslenok
165
Vega9001
153
Today
Fastest speedruns
kardiyoloji
71.0s
Phenomenonly
75.7s
mikezchess
78.8s
Kristian2504
88.5s
Vega9001
107.7s
Countdown high scores
Phenomenonly
71
ThomasH
61
kardiyoloji
57
Vega9001
34
cezrun64
30
Unique puzzles solved
Maslenok
530
Phenomenonly
323
dcc_london
289
droubbley
283
jenny_g
274
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
Phenomenonly
90
jugadatorrerifica
67
Maslenok
56
anh_ce
35
Rook endgames high scores
Phenomenonly
91
dcc_london
79
Maslenok
47
jugadatorrerifica
40
anh_ce
21
Openings high scores
Phenomenonly
80
dcc_london
77
smuratore
35
jugadatorrerifica
34
Maslenok
28
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