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 1 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
SpoiledKitty
92
Origynalx3
92
josgar05
85
imxaviii19
79
Juanmaa10
76
Three high scores
dcc_london
55
KirinoKousaka
51
JaviAlcanyiz_99
46
Juanmaa10
46
Vega9001
42
Most infinity puzzles solved
sharepointme
1771
WildheartGuff
416
droubbley
286
glushko
202
izansantos
138
Past 24 hours
Haste high scores
imxaviii19
79
luuu
74
JaviAlcanyiz_99
63
Mohammad_jabari
59
i_sei
52
Three high scores
KirinoKousaka
49
Juanmaa10
46
Vega9001
42
YourBestChessMove
36
MartialGuard
22
Most infinity puzzles solved
droubbley
192
WildheartGuff
104
barbarowp
83
Patata_Veloz
80
cristhian
44
Yesterday
Fastest speedruns
Patata_Veloz
99.0s
Kristian2504
103.4s
Angelg2005
117.7s
samuelmartin
121.0s
Vega9001
166.7s
Countdown high scores
Amaro
75
Leviackerman594
70
MaidenKnight
45
law
33
nickolaosgr
31
Unique puzzles solved
JaviAlcanyiz_99
971
YourBestChessMove
934
i_sei
717
Alcaraz
397
nickolaosgr
326
Today
Fastest speedruns
Kristian2504
122.9s
Patata_Veloz
131.5s
Vega9001
167.0s
Konstantin0201
245.1s
ChMouse
420.9s
Countdown high scores
Amaro
65
Frandy
57
Patata_Veloz
53
cezrun64
41
davidyomtobian
41
Unique puzzles solved
i_sei
1246
Alcaraz
500
luuu
469
YourBestChessMove
408
anh_ce
301
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
Patata_Veloz
68
jugadatorrerifica
59
MatTactics
53
nickolaosgr
44
Rook endgames high scores
Meloblues
53
jugadatorrerifica
46
Vicky
40
MasterPru2k
31
barbarowp
31
Openings high scores
dcc_london
72
jugadatorrerifica
35
nickolaosgr
25
iconoplasta
23
smuratore
21
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