Queens Grid

Daily Queens Puzzle — May 10, 2026

Sunday · 13×13 · Toughest · Hard · 19 deductions

13 queens left to place.

Tap once to rule a cell out, twice to place a queen. Right-click marks an exclusion directly. Arrow keys move between cells.

A 13x13 board split into 13 colour regions, needing 13 queens: one per row, one per column, one per region, none touching. Regions run from 1 to 47 cells.

The daily board is the same for everyone and gets harder as the week goes on: Sunday is set to toughest. Every daily puzzle has one solution and needs no guessing.

How this board is solved

Solving this 13x13 board takes 19 deductions and needs expert techniques, including testing a queen, drawing on 6 distinct techniques. The first queen you can place for certain is D1. The queens resolve in the order D1 → G2 → M6 → L10 → B11 → A13 → H12 → F9 → K8 → J5 → I3 → E4 → C7. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (19 deductions)
  1. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at D1.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at G2.

  3. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at M6.

  4. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at L10.

  5. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B11.

  6. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A13.

  7. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at H12.

  8. Region line lock essential

    Region line lock. This colour must use column 9, so nothing else can. This reasons over column 9. Rules out I5, I7, I8, I9.

  9. Region line lock essential

    Region line lock. This colour must use row 9, so nothing else can. This reasons over row 9. Rules out C9, E9.

  10. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out J3, J4.

  11. Two-region group lock intermediate

    Two-region group lock. 2 colours fit in only 2 columns, reserving them. This reasons over column 11 and column 10. Rules out J9.

  12. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at F9.

  13. Two-region group lock intermediate

    Two-region group lock. 2 colours fit in only 2 rows, reserving them. This reasons over row 3 and row 4. Rules out K3, C4, K4.

  14. Ruled out either way expert

    Ruled out either way. These cells are ruled out no matter where this colour's queen goes. Rules out K5, J7, J8.

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at K8.

  16. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J5.

  17. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I3.

  18. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E4.

  19. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C7.

Answer: queens at D1, G2, M6, L10, B11, A13, H12, F9, K8, J5, I3, E4, C7.