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 18 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Sacrifice
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
Silvia
85
Origynalx3
80
evildays
79
wubadubalublub
66
Mohammad_jabari
65
Three high scores
dcc_london
58
KirinoKousaka
56
gela22
52
Plattfuss
50
Techniique
49
Most infinity puzzles solved
AbrarJahin
458
rubberduck24
270
NippleDipper
111
GabrielArg2004
109
Sputnik
106
Past 24 hours
Haste high scores
Silvia
85
Origynalx3
80
evildays
70
gela22
59
omarjaba
50
Three high scores
dcc_london
55
gela22
52
Techniique
31
Most infinity puzzles solved
rubberduck24
100
lemondestfou
39
rewegg
22
wooks2018
20
Chessdidou
18
Yesterday
Fastest speedruns
gela22
68.7s
kappotek
82.8s
Kristian2504
91.3s
Konstantin0201
98.5s
MatTactics
142.5s
Countdown high scores
Frandy
89
Amaro
85
cezrun64
52
Techniique
43
BlitzOrBust
36
Unique puzzles solved
dcc_london
1460
AryehPaniel
677
ikerfuentes
451
gela22
426
Origynalx3
387
Today
Countdown high scores
Frandy
81
Unique puzzles solved
jugadatorrerifica
137
Frandy
79
lemondestfou
14
Boing630
2
Dklopfer
1
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
gela22
83
wubadubalublub
65
jugadatorrerifica
65
AryehPaniel
61
Rook endgames high scores
dcc_london
96
nickolaosgr
28
Vicky
27
S4chin02
14
Openings high scores
dcc_london
95
AryehPaniel
52
jugadatorrerifica
46
nickolaosgr
23
Vicky
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