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
Silvia
82
josgar05
74
Mohammad_jabari
74
Origynalx3
72
Three high scores
KirinoKousaka
56
dcc_london
56
Techniique
51
Plattfuss
46
jakbie
41
Most infinity puzzles solved
lemondestfou
522
jugadatorrerifica
145
HazePsy
142
Puredication
136
luizfernandoalves
128
Past 24 hours
Haste high scores
Silvia
75
wubadubalublub
50
Mohammad_jabari
46
Pun_e4
37
MateMentor
33
Three high scores
dcc_london
54
gela22
40
Most infinity puzzles solved
lemondestfou
121
jugadatorrerifica
56
DrOlliver
50
asanovski
35
Diegoak
23
Yesterday
Fastest speedruns
Konstantin0201
81.9s
Puredication
82.2s
Kristian2504
87.2s
jugadatorrerifica
175.7s
Kim1409
230.4s
Countdown high scores
Amaro
85
cezrun64
42
Frandy
38
nickolaosgr
31
doublebeta
29
Unique puzzles solved
dcc_london
322
Silvia
297
kuldud
290
jugadatorrerifica
261
KirinoKousaka
241
Today
Fastest speedruns
gela22
79.5s
Kristian2504
90.5s
Konstantin0201
230.3s
jugadatorrerifica
241.8s
Kim1409
313.1s
Countdown high scores
Frandy
73
gela22
46
nickolaosgr
24
Unique puzzles solved
dcc_london
820
Silvia
562
jugadatorrerifica
251
lemondestfou
197
FireEater321
189
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
66
ajkps
57
AryehPaniel
45
doublebeta
45
Rook endgames high scores
dcc_london
97
goodweather
47
nickolaosgr
28
Vicky
22
Openings high scores
dcc_london
85
wubadubalublub
64
jugadatorrerifica
46
AryehPaniel
27
nickolaosgr
25
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