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: Middlegame
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
82
bybos
77
KirinoKousaka
76
Mohammad_jabari
76
Plattfuss
67
Three high scores
bybos
60
dcc_london
56
KirinoKousaka
52
Plattfuss
48
cezrun64
34
Most infinity puzzles solved
lemondestfou
1435
bybos
433
DrOlliver
50
dubber
31
Nemesisjr12
28
Past 24 hours
Haste high scores
Silvia
77
bybos
70
evildays
60
ikerfuentes
43
Meloblues
36
Three high scores
bybos
60
dcc_london
56
KirinoKousaka
50
Maxime_2506
31
jugadatorrerifica
30
Most infinity puzzles solved
lemondestfou
250
Nemesisjr12
28
bybos
18
ChessWizard424
14
Lohu79
11
Yesterday
Fastest speedruns
bybos
85.8s
Kristian2504
102.2s
Konstantin0201
148.9s
N2Terrible
215.0s
jampo
238.2s
Countdown high scores
Frandy
70
bybos
52
N2Terrible
34
nickolaosgr
29
omen1243
12
Unique puzzles solved
bybos
722
dcc_london
574
Silvia
559
Frandy
519
ikerfuentes
294
Today
Fastest speedruns
mikezchess
79.7s
bybos
86.8s
Kristian2504
122.8s
Konstantin0201
161.4s
jugadatorrerifica
299.2s
Countdown high scores
Frandy
60
N2Terrible
27
dersou90
23
nickolaosgr
16
gobby
13
Unique puzzles solved
Silvia
709
dcc_london
366
Frandy
296
jugadatorrerifica
246
evildays
246
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
bybos
72
Frandy
65
jugadatorrerifica
65
MatTactics
42
Rook endgames high scores
dcc_london
100
Frandy
57
bybos
57
N2Terrible
51
jugadatorrerifica
27
Openings high scores
dcc_london
85
wubadubalublub
73
Frandy
34
jugadatorrerifica
34
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