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 15 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
evildays
84
JaviAlcanyiz_99
84
Silvia
82
Origynalx3
79
Noxie22
67
Three high scores
dcc_london
59
twotonostrich
57
KirinoKousaka
54
jajuraj
54
girdav
45
Most infinity puzzles solved
Vega9001
229
lemondestfou
152
ilovechess13
124
kafework
109
MasterP2k
92
Past 24 hours
Haste high scores
Origynalx3
74
KirinoKousaka
60
evildays
60
Mohammad_jabari
36
benyuiop
31
Three high scores
dcc_london
56
KirinoKousaka
54
girdav
45
HikingExpert74
38
smuratore
32
Most infinity puzzles solved
kafework
109
Everest912
50
tadash123
49
HikingExpert74
6
cheezvan
6
Yesterday
Fastest speedruns
jwwells42
58.7s
Kristian2504
77.8s
mikezchess
79.3s
BM12
93.2s
Konstantin0201
111.6s
Countdown high scores
Frandy
61
BM12
22
Unique puzzles solved
anh_ce
454
JaviAlcanyiz_99
439
Mohammad_jabari
353
dcc_london
282
smuratore
242
Today
Fastest speedruns
anh_ce
541.6s
Unique puzzles solved
anh_ce
204
tadash123
163
smuratore
155
Origynalx3
79
girdav
45
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
Vicky
58
smuratore
54
Vega9001
49
Rook endgames high scores
dcc_london
76
Vicky
30
Di_Enel
25
anh_ce
18
Openings high scores
AryehPaniel
43
Vicky
28
max_euwe
20
starttofart
18
anh_ce
16
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