Verified daily Sudoku challenge

Daily Sudoku for August 14, 2026

Choose a difficulty and start solving. The four puzzle summaries and difficulty facts remain readable if JavaScript is unavailable.

Available through: August 15, 2026

Four verified puzzles

Easy

83975
971
369
49
64
76
149
238
63951
Puzzle ID
LDI0-3757376d78d68229a1edb147923cd212b4334560
Clue count
28
Unique solution
Verified
LDI v0 score
12
Tier
Easy
Hardest technique
Hidden Single
Logical steps
53

Verified key step: Naked Single: place 2 at row 1, column 4.

Medium

62
942
8
7
53246
1684
875
8491
61
Puzzle ID
LDI0-5d4c1691490bc66ffb9da471978799304f245c43
Clue count
25
Unique solution
Verified
LDI v0 score
18
Tier
Medium
Hardest technique
Hidden Single
Logical steps
56

Verified key step: Naked Single: place 8 at row 5, column 1.

Hard

138
65
85743
764
98
26
45
2
8965
Puzzle ID
LDI0-3873053587f3bc594960dc95b852c8ed8fbd0fae
Clue count
24
Unique solution
Verified
LDI v0 score
22
Tier
Hard
Hardest technique
Hidden Single
Logical steps
57

Verified key step: Hidden Single: place 5 at row 1, column 8.

Expert

219
842
86
79
65
732
314
26
1869
Puzzle ID
LDI0-45739073e6095de216de4c186c9b9a3ef058407e
Clue count
24
Unique solution
Verified
LDI v0 score
47
Tier
Expert
Hardest technique
Naked Pair
Logical steps
60

Verified key step: Hidden Single: place 8 at row 1, column 9.

2026-08-14 · LDI v0

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LDI v0

Verified puzzle facts

Puzzle ID
LDI0-3757376d78d68229a1edb147923cd212b4334560
Difficulty model
LDI v0
LDI score (0–100)
12
Clue count
28
Logical steps
53
Hardest technique
Hidden Single

Clue count is a board fact, not the difficulty verdict. The tier comes from this published LDI version.

One verified step

Logic Coach

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