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 2 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
99
Origynalx3
91
evildays
91
LeafySnack
81
Laparrilla
81
Three high scores
dcc_london
57
Phenomenonly
55
MSanand
48
Vega9001
43
Plattfuss
41
Most infinity puzzles solved
WildheartGuff
736
droubbley
277
nose
220
frazi
117
Hayate_kun
104
Past 24 hours
Haste high scores
Origynalx3
91
Phenomenonly
74
Vega9001
36
SerpiasUltra
35
saviotheattacker
35
Three high scores
Phenomenonly
50
Vega9001
43
twopawn
31
lyllw46
28
valen13221
27
Most infinity puzzles solved
WildheartGuff
31
Vega9001
25
wclpson
12
papadoble
11
nose
10
Yesterday
Fastest speedruns
HardwiredSoul
57.2s
mikezchess
73.3s
Phenomenonly
79.0s
valen13221
158.4s
buzilla
178.6s
Countdown high scores
Phenomenonly
85
law
45
valen13221
24
danyeong123
21
Unique puzzles solved
Origynalx3
605
Maslenok
416
i_sei
354
Phenomenonly
325
Silvia
177
Today
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
241
Origynalx3
237
Maslenok
165
Vega9001
153
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
90
jugadatorrerifica
67
HardwiredSoul
59
Maslenok
56
anh_ce
35
Rook endgames high scores
Phenomenonly
64
HardwiredSoul
47
jugadatorrerifica
39
Vicky
39
Maslenok
38
Openings high scores
Phenomenonly
80
HardwiredSoul
38
jugadatorrerifica
37
smuratore
35
Zsomborvagyok
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