Queens Grid

Daily Queens Puzzle — June 14, 2026

Sunday · 15×15 · Toughest · Medium · 20 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 36 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 20 deductions and needs the intermediate group-lock techniques, drawing on 4 distinct techniques. The first queen you can place for certain is D3. The queens resolve in the order D3 → A6 → B15 → F14 → O4 → H2 → J13 → L12 → E11 → C1 → K5 → N10 → I9 → G8 → M7. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (20 deductions)
  1. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at D3.

  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. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B15.

  4. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at F14.

  5. Region line lock essential

    Region line lock. This colour must use row 1, so nothing else can. This reasons over row 1. Rules out G1, H1, I1, J1, K1, L1, M1, N1 and 1 more.

  6. Region line lock essential

    Region line lock. This colour must use row 2, so nothing else can. This reasons over row 2. Rules out I2, J2, K2, L2, M2, N2, O2.

  7. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at O4.

  8. Split-line region lock intermediate

    Split-line region lock. 2 colours fit in only 2 columns, reserving them. This reasons over column 3 and column 5. Rules out C5, C7, C8, C9, C10, C11, E5, E7 and 3 more.

  9. Region line lock essential

    Region line lock. This colour must use column 7, so nothing else can. This reasons over column 7. Rules out G2, G7, G11, G12.

  10. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at H2.

  11. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J13.

  12. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at L12.

  13. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E11.

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C1.

  15. 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.

  16. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at K5.

  17. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at N10.

  18. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I9.

  19. Forced queen essential

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

  20. Forced queen essential

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

Answer: queens at D3, A6, B15, F14, O4, H2, J13, L12, E11, C1, K5, N10, I9, G8, M7.