Queens Grid

Daily Queens Puzzle — October 18, 2026

Sunday · 15×15 · Toughest · Easy · 17 deductions

15 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 15x15 board split into 15 colour regions, needing 15 queens: one per row, one per column, one per region, none touching. Regions run from 1 to 68 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 15x15 board takes 17 deductions and needs only the basic deductions, drawing on 3 distinct techniques. The first queen you can place for certain is L1. The queens resolve in the order L1 → A6 → F11 → M7 → D10 → C3 → K8 → J15 → I5 → N2 → G4 → E14 → O13 → B12 → H9. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (17 deductions)
  1. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at L1.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at A6.

  3. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at F11.

  4. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at M7.

  5. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at D10.

  6. Forced queen essential

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

  7. Region line lock essential

    Region line lock. This colour must use column 15, so nothing else can. This reasons over column 15. Rules out O2, O4, O5, O8, O9, O12.

  8. Region line lock essential

    Region line lock. This colour must use column 14, so nothing else can. This reasons over column 14. Rules out N4, N9, N12, N13, N14, N15.

  9. Forced queen essential

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

  10. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J15.

  11. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I5.

  12. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at N2.

  13. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at G4.

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E14.

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at O13.

  16. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B12.

  17. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at H9.

Answer: queens at L1, A6, F11, M7, D10, C3, K8, J15, I5, N2, G4, E14, O13, B12, H9.