Queens Grid

Daily Queens Puzzle — April 10, 2026

Friday · 12×12 · Hard · Medium · 15 deductions

12 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 12x12 board split into 12 colour regions, needing 12 queens: one per row, one per column, one per region, none touching. Regions run from 1 to 45 cells.

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

How this board is solved

Solving this 12x12 board takes 15 deductions and needs the intermediate group-lock techniques, drawing on 4 distinct techniques. The first queen you can place for certain is A1. The queens resolve in the order A1 → G4 → F6 → H10 → J2 → L7 → D8 → E3 → B5 → C11 → K9 → I12. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (15 deductions)
  1. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at A1.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at G4.

  3. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at F6.

  4. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at H10.

  5. Region line lock essential

    Region line lock. This colour must use column 12, so nothing else can. This reasons over column 12. Rules out L2, L3, L8, L9, L11, L12.

  6. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J2.

  7. Region line lock essential

    Region line lock. This colour must use row 12, so nothing else can. This reasons over row 12. Rules out B12, C12, D12, E12.

  8. Split-line region lock intermediate

    Split-line region lock. 2 colours fit in only 2 rows, reserving them. This reasons over row 3 and row 5. Rules out C5, I5, K5, L5.

  9. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at L7.

  10. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at D8.

  11. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E3.

  12. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B5.

  13. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C11.

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at K9.

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I12.

Answer: queens at A1, G4, F6, H10, J2, L7, D8, E3, B5, C11, K9, I12.