LinkedIn Queens #879 answer — September 26, 2026

This Queens has exactly one solution, and you can reach it without guessing. Every step below follows from the rules. A “check” step shows why a queen can't go somewhere; it never asks you to gamble.

1. 1Where to lookShow hint

   Look at row 1.
2. 2The first deductionShow hint

   The open cells of row 1 all belong to the gray region, so its queen sits in row 1 and its other cells are empty.

   Pattern

   A row trapped in one region. When every open cell of a row is the same color, that region's queen is in the row, so cross out the rest of the region.
3. 3The first queenShow hint

   Column 9 has one open cell left, in row 1, so its queen goes there.

   Step 1 of the walkthrough rules out the cells marked ×.
4. 4Solve it step by stepShow hint

   Rows count from the top and columns from the left. Every queen rules out the rest of its row, its column and its color region, plus the eight cells around it.

   1. A row trapped in one region. The open cells of row 1 all belong to the gray region, so its queen sits in row 1 and its other cells are empty.
   2. Last open cell. Column 9 has one open cell left, in row 1, so its queen goes there.
   3. A row trapped in one region. The open cells of row 9 all belong to the beige region, so its queen sits in row 9 and its other cells are empty.
   4. Last open cell. Column 8 has one open cell left, in row 4, so its queen goes there.
   5. A region trapped in one row. The yellow region lies entirely in row 3, so the queen of row 3 belongs to it and every other cell of row 3 is empty.
   6. No-touching check. A queen at row 5, column 3 would leave the blue region with no open cell, so that cell stays empty.
   7. No-touching check. A queen at row 5, column 6 would leave the pink region with no open cell, so that cell stays empty.
   8. No-touching check. A queen at row 6, column 5 would leave the blue region with no open cell, so that cell stays empty.
   9. No-touching check. A queen at row 7, column 2 would leave the red region with no open cell, so that cell stays empty.
   10. Pigeonhole: two regions in two rows. The orange and blue regions lie entirely within rows 5 and 6, so the queens of those rows belong to them and every other cell of rows 5 and 6 is empty.
   11. Last open cell. Column 7 has one open cell left, in row 9, so its queen goes there.
   12. Last open cell. The pink region has one open cell left (row 7, column 6), so its queen goes there.
   13. Last open cell. The red region has one open cell left (row 8, column 3), so its queen goes there.
   14. Last open cell. Column 1 has one open cell left, in row 5, so its queen goes there.
   15. Last open cell. The blue region has one open cell left (row 6, column 4), so its queen goes there.
   16. Last open cell. The purple region has one open cell left (row 2, column 2), so its queen goes there.
   17. Last open cell. The yellow region has one open cell left (row 3, column 5), so its queen goes there.
5. 5Queens #879 solutionShow answer

   Crowns in columns 9, 2, 5, 8, 1, 4, 6, 3, 7 (rows 1–9, top to bottom).