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 7 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
Origynalx3
84
CorporiAlieni
75
Mohammad_jabari
75
SpoiledKitty
73
KirinoKousaka
72
Three high scores
dcc_london
54
KirinoKousaka
53
twotonostrich
52
JaviAlcanyiz_99
48
Plattfuss
48
Most infinity puzzles solved
cristhian
368
droubbley
362
AZazwinner
148
Macrotonal
122
AlwaysPrime_64
105
Past 24 hours
Haste high scores
Mohammad_jabari
75
PedroTome5
65
JaviAlcanyiz_99
59
AlexNM12
49
Alcaraz
47
Three high scores
JaviAlcanyiz_99
46
Vega9001
36
Airot
32
AlexNM12
32
YourBestChessMove
30
Most infinity puzzles solved
glushko
27
SerpiasUltraGood
20
jifentef
19
samuelmartin
11
Tortuga_veloz
11
Yesterday
Fastest speedruns
barbarowp
108.0s
mikezchess
113.7s
Patata_Veloz
123.9s
davidyomtobian
159.5s
Konstantin0201
164.8s
Countdown high scores
Patata_Veloz
52
Frandy
43
davidyomtobian
40
Vega9001
34
SerpiasUltraGood
25
Unique puzzles solved
PedroTome5
498
Zahahadid
446
Patata_Veloz
323
anh_ce
245
Angela
239
Today
Fastest speedruns
JaviAlcanyiz_99
130.4s
AlexNM12
156.6s
ChMouse
203.8s
DtinMarin
315.3s
Countdown high scores
AlexNM12
35
Unique puzzles solved
anh_ce
318
Alcaraz
302
AlexNM12
247
newstbn
247
PedroTome5
243
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
95
jugadatorrerifica
62
Patata_Veloz
62
Vicky
57
smuratore
51
Rook endgames high scores
dcc_london
87
jugadatorrerifica
40
nickolaosgr
34
iconoplasta
32
anh_ce
26
Openings high scores
dcc_london
71
AryehPaniel
42
jugadatorrerifica
36
samuelmartin
33
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