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: Defensive Move
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
Origynalx3
98
josgar05
84
Silvia
81
evildays
79
Plattfuss
75
Three high scores
dcc_london
59
twotonostrich
56
Plattfuss
50
KirinoKousaka
49
Techniique
47
Most infinity puzzles solved
AbrarJahin
565
Sensei_T
228
Pawndookie
147
Sputnik
139
papadoble
125
Past 24 hours
Haste high scores
Silvia
72
JPrime
52
jugadatorrerifica
48
AbrarJahin
44
Josezard123
41
Three high scores
Plattfuss
42
wubadubalublub
34
cezrun64
32
Maxime_2506
29
smuratore
24
Most infinity puzzles solved
AbrarJahin
201
NippleDipper
45
GabrielArg2004
27
Sputnik
21
papadoble
15
Yesterday
Fastest speedruns
Kristian2504
87.5s
Konstantin0201
99.0s
Plattfuss
121.0s
nickolaosgr
259.7s
Countdown high scores
cezrun64
52
Frandy
43
Plattfuss
36
nickolaosgr
33
GabrielArg2004
24
Unique puzzles solved
AryehPaniel
629
nickolaosgr
198
Hola011
182
Silvia
180
GabrielArg2004
149
Today
Fastest speedruns
okokokio
133.0s
nickolaosgr
447.9s
Countdown high scores
Frandy
70
cezrun64
57
Unique puzzles solved
jugadatorrerifica
126
Frandy
70
cezrun64
57
smuratore
36
lemondestfou
33
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
Hola011
80
AryehPaniel
57
jugadatorrerifica
57
Shark2030
54
Isabel_icp
54
Rook endgames high scores
Vicky
33
QBrown
24
nickolaosgr
22
Maxime_2506
19
MatTactics
7
Openings high scores
AryehPaniel
48
jugadatorrerifica
41
nickolaosgr
26
Vicky
19
MatTactics
12
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