Logic Masters Deutschland e.V.

Everybody is talking about wordle. But some of you may remember the similar board game Mastermind. Well, here is a sudoku with a mastermind ruleset.

• Normal sudoku rules apply.
• Kropki sudoku rules apply:
  A black dot separates two digits with a 1:2 ratio. A white dot separates two digits with a difference of 1. Not all dots are given.
• Little killer sudoku rules apply:
  clues outside the grid equals the sum of the indicated diagonal. Digits may repea along that diagonal.
• Mastermind rules apply.
  A black dot in row 1-7 indicates, that a digit in one of the yellow cells in that row is at the same position in the orage 4-digit-solution in row 9. A white dot indicates, that a digit in the yellow cells appears in the solution, but not at the correct place.
  The dots are in any order, meaning that a leftmost dot does not necessarily refere tot he leftmost yellow digit. No dots in row 1-7 indicate that non of the digits in the yellow cells appears in the solution.
  Example: if the solution was „1234“, a guess like „5246“ would earn one black dot (for the 2) and one white dot (for the 4)

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