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: Opening
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
josgar05
91
YoureExcused
78
Silvia
76
Origynalx3
74
luuu
74
Three high scores
twotonostrich
59
dcc_london
56
YourWorstKnightmare5
52
KirinoKousaka
51
Adriano_BSB
41
Most infinity puzzles solved
cricketsong
1001
PaintedLeaves
208
safary
182
lemondestfou
171
Meherpreet
130
Past 24 hours
Haste high scores
KirinoKousaka
67
Mohammad_jabari
62
ThomastheChessEngine
46
omarjaba
37
Niraj_Desai
36
Three high scores
dcc_london
56
KirinoKousaka
51
crystalwrists
32
Most infinity puzzles solved
chessmaster512
54
davidyomtobian
33
wooks2018
26
Amadeus_Peters
10
Boing630
7
Yesterday
Fastest speedruns
LeafySnack
23.6s
mang0sunr1s3
28.4s
Kristian2504
51.2s
twotonostrich
66.4s
Konstantin0201
142.0s
Countdown high scores
twotonostrich
75
Adriano_BSB
50
Mamuute
25
legoman2469
8
Unique puzzles solved
LeafySnack
541
Adriano_BSB
535
dcc_london
406
Silvia
286
troysharples
240
Today
Fastest speedruns
gela22
57.2s
LeafySnack
64.6s
kardiyoloji
75.6s
crystalwrists
131.9s
nickolaosgr
388.9s
Countdown high scores
twotonostrich
70
gela22
51
cezrun64
49
nickolaosgr
29
crystalwrists
28
Unique puzzles solved
Mohammad_jabari
860
KirinoKousaka
295
Origynalx3
271
gela22
238
Niraj_Desai
190
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
LeafySnack
100
gela22
59
virgiliolouis
56
Niraj_Desai
53
troysharples
44
Rook endgames high scores
LeafySnack
72
MiCuGue
65
safary
41
Niraj_Desai
34
davidyomtobian
27
Openings high scores
gela22
58
LeafySnack
46
nickolaosgr
23
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