Queens Grid

Daily Queens Puzzle — October 25, 2026

Sunday · 13×13 · Toughest · Hard · 18 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 39 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 18 deductions and needs expert techniques, including testing a queen, drawing on 5 distinct techniques. The first queen you can place for certain is I1. The queens resolve in the order I1 → D6 → B7 → L11 → M13 → F12 → E2 → A10 → G8 → J9 → K4 → H5 → C3. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (18 deductions)
  1. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at I1.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at D6.

  3. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at B7.

  4. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at L11.

  5. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at M13.

  6. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at F12.

  7. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E2.

  8. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A10.

  9. Two-region group lock intermediate

    Two-region group lock. 2 colours fit in only 2 rows, reserving them. This reasons over row 8 and row 9. Rules out J8, K8, K9.

  10. Ruled out either way expert

    Ruled out either way. These cells are ruled out no matter where this colour's queen goes. Rules out H9.

  11. Ruled out either way expert

    Ruled out either way. These cells are ruled out no matter where this colour's queen goes. Rules out G9.

  12. Test a queen expert

    Test a queen. A queen here would leave another colour with nowhere to go, so it is out. Rules out J4.

  13. Test a queen expert

    Test a queen. Following the consequences of a queen here reaches a dead end, so it is out. Rules out C9.

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at G8.

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J9.

  16. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at K4.

  17. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at H5.

  18. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C3.

Answer: queens at I1, D6, B7, L11, M13, F12, E2, A10, G8, J9, K4, H5, C3.