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: Mate In1
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
donklemonglr
100
YoureExcused
93
Origynalx3
92
LeafySnack
84
Crazydmitreg
77
Three high scores
LeafySnack
65
dcc_london
60
donklemonglr
55
Plattfuss
55
twotonostrich
54
Most infinity puzzles solved
Meherpreet
323
emanresu341
175
Boing630
173
vecna
156
cezrun64
128
Past 24 hours
Haste high scores
LeafySnack
80
Plattfuss
71
KirinoKousaka
63
JPrime
49
roscaenall
26
Three high scores
LeafySnack
62
KirinoKousaka
52
Plattfuss
49
crystalwrists
30
QBrown
27
Most infinity puzzles solved
Meherpreet
39
Dalberget_Sjakkselskap
37
SuperQueen1581
34
Boing630
28
emanresu341
27
Yesterday
Fastest speedruns
LeafySnack
44.4s
Ryan_Deering2000
98.0s
Plattfuss
110.2s
crystalwrists
169.8s
Konstantin0201
171.7s
Countdown high scores
LeafySnack
62
PaintedLeaves
59
lemondestfou
52
csavard
43
Plattfuss
37
Unique puzzles solved
LeafySnack
690
PaintedLeaves
341
Niraj_Desai
257
donklemonglr
207
benyuiop
194
Today
Fastest speedruns
LeafySnack
34.7s
mikezchess
49.9s
Kristian2504
53.1s
TheDogKnows
53.7s
SuperQueen1581
78.2s
Countdown high scores
twotonostrich
70
LeafySnack
59
cezrun64
56
CementGG
39
SuperQueen1581
34
Unique puzzles solved
KirinoKousaka
563
SuperQueen1581
172
antonygil
120
LeafySnack
88
roscaenall
85
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
QBrown
50
nickolaosgr
39
vecna
18
Rook endgames high scores
antonygil
8
SuperChessNinja11
1
Openings high scores
Dalberget_Sjakkselskap
13
vecna
10
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