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: 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
luuu
97
Origynalx3
93
Minos
89
Silvia
82
josgar05
74
Three high scores
KirinoKousaka
56
dcc_london
56
Techniique
51
jakbie
46
Plattfuss
45
Most infinity puzzles solved
lemondestfou
380
HazePsy
328
Dklopfer
157
Puredication
72
AbrarJahin
61
Past 24 hours
Haste high scores
josgar05
74
benyuiop
37
Jabots
36
MarSe_33
36
roscaenall
36
Three high scores
dcc_london
56
Plattfuss
44
csavard
41
sounili
20
Maxime_2506
17
Most infinity puzzles solved
lemondestfou
112
Puredication
62
Sian
57
Sputnik
13
Dalberget_Sjakkselskap
12
Yesterday
Fastest speedruns
Puredication
55.3s
mikezchess
78.4s
QREWXTZY
89.6s
Kristian2504
94.5s
Plattfuss
124.8s
Countdown high scores
Frandy
68
Amaro
66
Plattfuss
65
cezrun64
44
MaexchenStefan
20
Unique puzzles solved
dcc_london
1096
Kovid_30
667
Puredication
297
AryehPaniel
237
Plattfuss
172
Today
Fastest speedruns
Puredication
69.8s
WinnerForeverVE
71.3s
QREWXTZY
102.0s
Kristian2504
104.4s
jugadatorrerifica
215.5s
Countdown high scores
Frandy
63
WinnerForeverVE
38
sounili
20
Unique puzzles solved
AryehPaniel
196
dcc_london
184
WinnerForeverVE
166
lemondestfou
157
jugadatorrerifica
145
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
Hola011
89
Puredication
85
jugadatorrerifica
65
AryehPaniel
64
Rook endgames high scores
dcc_london
88
jugadatorrerifica
45
nickolaosgr
25
Vicky
23
MatTactics
16
Openings high scores
dcc_london
96
Puredication
48
AryehPaniel
48
jugadatorrerifica
48
Maxime_2506
43
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