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 12 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
evildays
84
JaviAlcanyiz_99
84
Silvia
82
Origynalx3
79
Laparrilla
70
Three high scores
dcc_london
58
KirinoKousaka
57
twotonostrich
57
Plattfuss
46
girdav
45
Most infinity puzzles solved
Vega9001
229
Everest912
129
kafework
109
lemondestfou
97
DrOlliver
50
Past 24 hours
Haste high scores
Laparrilla
70
Silvia
59
KirinoKousaka
53
Plattfuss
42
Jabots
32
Three high scores
dcc_london
58
KirinoKousaka
57
Plattfuss
46
FarElegantRunner
26
MaexchenStefan
20
Most infinity puzzles solved
Everest912
79
Enut
35
lorenzofilice
27
MasterP2k
8
king_geometry
4
Yesterday
Fastest speedruns
Konstantin0201
107.7s
Kristian2504
107.9s
Plattfuss
145.4s
anh_ce
284.5s
Kim1409
304.5s
Countdown high scores
Frandy
67
Plattfuss
54
Constantinople
36
FarElegantRunner
30
Boldrinni
24
Unique puzzles solved
anh_ce
403
KirinoKousaka
310
Laparrilla
172
Plattfuss
167
tadash123
163
Today
Fastest speedruns
mikezchess
79.0s
anh_ce
361.3s
Countdown high scores
cezrun64
45
Unique puzzles solved
AryehPaniel
374
anh_ce
258
MasterP2k
131
ThomastheChessEngine
109
Silvia
79
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
wubadubalublub
61
smuratore
54
Vicky
53
MasterP2k
30
Rook endgames high scores
dcc_london
76
KirinoKousaka
45
Constantinople
38
Di_Enel
25
Vicky
23
Openings high scores
dcc_london
72
AryehPaniel
45
Constantinople
24
max_euwe
20
starttofart
18
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