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 3 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Bishop 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
evildays
82
Silvia
81
bybos
77
Mohammad_jabari
76
Plattfuss
67
Three high scores
bybos
60
dcc_london
56
KirinoKousaka
52
Plattfuss
48
Osamodas
40
Most infinity puzzles solved
lemondestfou
1737
bybos
433
Osamodas
106
DrOlliver
50
ChessWizard424
50
Past 24 hours
Haste high scores
evildays
82
Silvia
81
KirinoKousaka
61
wubadubalublub
57
FireEater321
37
Three high scores
dcc_london
54
KirinoKousaka
47
Osamodas
39
Frandy
36
zardax
5
Most infinity puzzles solved
lemondestfou
171
DrOlliver
50
hychhecybtydcygygyrgyrd
20
Meloblues
11
M4st3rm1nd
7
Yesterday
Fastest speedruns
Osamodas
41.8s
mikezchess
48.8s
Kristian2504
51.4s
ChessWizard424
69.2s
jampo
125.3s
Countdown high scores
Frandy
76
Osamodas
65
Amaro
50
cezrun64
43
ChessWizard424
40
Unique puzzles solved
ChessWizard424
873
Osamodas
499
Frandy
457
dcc_london
424
lemondestfou
319
Today
Fastest speedruns
Osamodas
105.6s
Kristian2504
127.8s
Konstantin0201
145.4s
dayb
151.0s
jugadatorrerifica
211.7s
Countdown high scores
Frandy
72
cezrun64
50
Osamodas
38
Unique puzzles solved
Silvia
349
FireEater321
341
Frandy
312
evildays
265
Mohammad_jabari
242
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
jugadatorrerifica
73
Vicky
51
bybos
45
ChessWizard424
43
Rook endgames high scores
Frandy
68
bybos
57
N2Terrible
51
ChessWizard424
39
jugadatorrerifica
35
Openings high scores
dcc_london
86
wubadubalublub
73
ChessWizard424
39
jugadatorrerifica
35
smuratore
34
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