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 22 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
HusTak
93
luuu
90
Origynalx3
83
croc_master
79
Silvia
78
Three high scores
dcc_london
60
twotonostrich
59
KirinoKousaka
51
Adriano_BSB
40
cezrun64
38
Most infinity puzzles solved
cricketsong
800
lemondestfou
301
legoman2469
261
troysharples
136
sargon
95
Past 24 hours
Haste high scores
Silvia
78
evildays
58
CVCVCVCVCV
41
Moreauxd
31
Hxcn_123
29
Three high scores
troysharples
35
Adriano_BSB
34
Hxcn_123
29
crystalwrists
18
Most infinity puzzles solved
cricketsong
165
DrOlliver
50
sargon
28
Qazzatop
28
Faust
26
Yesterday
Fastest speedruns
gela22
66.2s
Kristian2504
123.4s
Konstantin0201
170.3s
crystalwrists
222.8s
troysharples
396.5s
Countdown high scores
cezrun64
62
gela22
50
crystalwrists
36
qrun3O
35
Mamuute
29
Unique puzzles solved
troysharples
776
Mohammad_jabari
374
CVCVCVCVCV
318
cricketsong
201
Silvia
186
Today
Fastest speedruns
qrun3O
264.3s
Unique puzzles solved
qrun3O
52
flash90_
40
lemondestfou
10
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
gela22
79
AryehPaniel
43
joaocsp
27
nikelsen
26
Rook endgames high scores
crystalwrists
36
QBrown
24
AryehPaniel
23
nickolaosgr
22
MaexchenStefan
13
Openings high scores
LeafySnack
64
AryehPaniel
30
nickolaosgr
25
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