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 23 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
Origynalx3
94
Plattfuss
89
twotonostrich
81
Mohammad_jabari
71
evildays
70
Three high scores
twotonostrich
58
dcc_london
56
donklemonglr
54
KirinoKousaka
50
propuzzles
49
Most infinity puzzles solved
AbrarJahin
639
lemondestfou
454
TRDawsonSaudade
240
Sputnik
171
papadoble
122
Past 24 hours
Haste high scores
evildays
59
propuzzles
48
MarSe_33
48
Origynalx3
47
AbrarJahin
42
Three high scores
donklemonglr
54
propuzzles
45
wubadubalublub
44
Techniique
38
Perezocito11
28
Most infinity puzzles solved
achmoye
80
propuzzles
26
Goonsquad
24
FarElegantRunner
20
jared16
18
Yesterday
Fastest speedruns
mikezchess
85.7s
propuzzles
109.2s
Techniique
125.0s
Kristian2504
127.4s
Konstantin0201
200.9s
Countdown high scores
Frandy
70
Amaro
52
gela22
47
Techniique
44
nickolaosgr
28
Unique puzzles solved
Kovid_30
1870
AryehPaniel
1108
LeafySnack
936
propuzzles
365
Hola011
340
Today
Fastest speedruns
propuzzles
147.0s
Countdown high scores
Frandy
49
GabrielArg2004
30
Unique puzzles solved
propuzzles
122
GabrielArg2004
66
Frandy
49
Goonsquad
30
CorporiAlieni
19
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
wubadubalublub
85
Hola011
78
dcc_london
75
jugadatorrerifica
69
AryehPaniel
63
Rook endgames high scores
dcc_london
98
LeafySnack
95
gela22
38
nickolaosgr
24
Shanky
20
Openings high scores
LeafySnack
76
jugadatorrerifica
53
gela22
51
AryehPaniel
45
acatnamedchicken
29
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