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Archive · Queens #19

Queens #19 (October 14, 2026): solution and step-by-step

The 8×8 Hard puzzle from Wednesday, October 14, 2026. Play it first; the answer is folded below. Replays don't affect your streak.

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Queens #19 was the 8×8 hard board of Wednesday, October 14, 2026. Our deduction solver, the same one behind the hint button, finishes it in 30 steps without guessing: 21 follow straight from the rules (a queen's neighbours, a line that already has its queen, a line with one free cell left), 6 come from confinement (a region squeezed into one row or column, or several regions sharing the same rows), and 3 need a “what if” check: imagine a queen in a cell and watch some row, column or region run out of room. The regions range from 2 to 18 cells; the smallest is coral, and small regions are where the board opens up.

Queens #19 in numbers

Board8×8, Hard
Regions8, from 2 to 18 cells
Deduction steps30
Rule steps (neighbours, satisfied lines, last cell)21
Confinement steps6
“What if” contradictions3
Solver difficulty score32
How to start Queens #19: the first 12 deductions

Each step is a deduction a person can make, in the order our solver found them. Rows and columns are counted from the top-left corner.

  1. Cross out 6 cells. Every free cell of the coral region is in column 7, so that region's queen must be there — the rest of column 7 is crossed out.

  2. Cross out 10 cells. Every free cell of column 1 is in the mint region, so that region's queen must be in column 1 — its other cells are crossed out.

  3. Queen at row 5, column 2. Column 2 has only one free cell left — that must be its queen.

  4. Cross out 5 cells. Queens can't touch, not even diagonally — the cells around this queen are crossed out.

  5. Cross out 4 cells. Row 5 already has its queen — the rest of it is crossed out.

  6. Cross out 6 cells. The sky region already has its queen — the rest of it is crossed out.

  7. Cross out row 3, column 7. This cell touches every free cell of row 4 — a queen here would leave row 4 with no queen, so it's crossed out.

  8. Queen at row 4, column 7. Column 7 has only one free cell left — that must be its queen.

  9. Cross out 4 cells. Queens can't touch, not even diagonally — the cells around this queen are crossed out.

  10. Cross out 2 cells. The orchid region, the lime region and the rose region all fit inside rows 6, 7, 8, so those 3 rows' queens are theirs — every other cell in rows 6, 7, 8 is crossed out.

  11. Cross out row 2, column 6. A queen here would leave no room for a queen in the lavender region — so it's crossed out.

  12. Cross out row 7, column 4. A queen here would leave no room for a queen in the rose region — so it's crossed out.

18 more steps follow the same pattern until the 8 queens are placed.

Queens #19 solution

Queens by row: row 1: column 1 (mint); row 2: column 3 (lavender); row 3: column 5 (gold); row 4: column 7 (coral); row 5: column 2 (sky); row 6: column 4 (lime); row 7: column 6 (rose); row 8: column 8 (orchid).

Back to the Queens archive, today's puzzle, or the rules and deductions used above.

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