Challenging Sudoku puzzle for Saturday 17th October 2026 [7743]
| a | b | c | d | e | f | g | h | i | |
| A | 1 | 5 | 8 | 7 | 9 | 6 | 2 | ||
| B | 3 | ||||||||
| C | 7 | 4 | 3 | ||||||
| D | 5 | 1 | |||||||
| E | 2 | 8 | 7 | ||||||
| F | 4 | 8 | |||||||
| G | 2 | 1 | 6 | ||||||
| H | 6 | ||||||||
| I | 5 | 7 | 1 | 4 | 3 | 8 | 2 |
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- Try today's easier puzzle; moderately difficult or Word Soduku or Jigsaw Sudoku or Samurai Sudoku instead.
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- Look at previous daily challenging puzzles and their solutions.
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For a full guide to solving 'hard' puzzles such as this please see our 
step-by-step solution guide
Today’s Quotation
“Reason can wrestle and overthrow Terror.”
Euripides (Iphigenia in Aulis) 4th century BC Charles Walker
Daily picture of British countryside
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