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 6 hours
Speedrun
Solve a sequence of puzzles as quickly as you can.
Theme: Pin
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
jajuraj
100
Origynalx3
94
Silvia
84
Josep_Arocas_14
72
JaviAlcanyiz_99
72
Three high scores
jajuraj
62
dcc_london
60
twotonostrich
56
KirinoKousaka
52
Plattfuss
43
Most infinity puzzles solved
ilovechess13
900
jajuraj
812
beachoceantoi
331
DrOlliver
200
lemondestfou
144
Past 24 hours
Haste high scores
JaviAlcanyiz_99
72
Silvia
61
Josep_Arocas_14
60
wubadubalublub
56
jugadatorrerifica
46
Three high scores
dcc_london
55
KirinoKousaka
47
twopawn
29
YourBestChessMove
29
smuratore
29
Most infinity puzzles solved
ilovechess13
100
EinfachderProfiSN
45
MasterP2k
45
beachoceantoi
28
lemondestfou
23
Yesterday
Fastest speedruns
MasterP2k
231.3s
jampo
281.2s
acatnamedchicken
313.9s
anh_ce
343.5s
problematic
406.8s
Countdown high scores
Frandy
65
problematic
29
Unique puzzles solved
Silvia
881
anh_ce
486
Vicky
405
KirinoKousaka
384
Noxie22
316
Today
Fastest speedruns
mikezchess
77.2s
anh_ce
386.1s
Countdown high scores
Frandy
62
cezrun64
48
MasterP2k
38
jugadatorrerifica
29
sounili
25
Unique puzzles solved
JaviAlcanyiz_99
785
anh_ce
361
dcc_london
345
jugadatorrerifica
225
MasterP2k
185
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
65
Vicky
60
smuratore
58
HelenaDorotheaL
55
Rook endgames high scores
dcc_london
99
jugadatorrerifica
54
Vicky
38
HelenaDorotheaL
28
nickolaosgr
25
Openings high scores
dcc_london
99
AryehPaniel
51
jugadatorrerifica
43
Vicky
32
MasterP2k
22
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