Queens Grid

Daily Queens Puzzle — September 25, 2026

Friday · 12×12 · Hard · Medium · 17 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 26 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 17 deductions and needs the intermediate group-lock techniques, drawing on 7 distinct techniques. The first queen you can place for certain is G12. The queens resolve in the order G12 → F10 → L2 → I9 → J7 → D6 → H4 → E1 → K5 → A3 → C11 → B8. 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 G12.

  2. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at F10.

  3. Region line lock essential

    Region line lock. This colour must use row 1, so nothing else can. This reasons over row 1. Rules out A1, B1, C1, D1, I1, J1, K1, L1.

  4. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at L2.

  5. Region line lock essential

    Region line lock. This colour must use row 11, so nothing else can. This reasons over row 11. Rules out A11, B11, I11, J11, K11.

  6. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out I8.

  7. Split-line region lock intermediate

    Split-line region lock. 2 colours fit in only 2 columns, reserving them. This reasons over column 5 and column 8. Rules out E3, E4, E6, E7, E8, H3, H5, H6 and 3 more.

  8. Forced queen essential

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

  9. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J7.

  10. Line uses one region intermediate

    Line uses one region. 1 rows can only be filled by 1 colours, using them up. This reasons over row 8. Rules out A5, A6, B6, C6.

  11. Last cell in a line essential

    Last cell in a line. Row 6 has one legal cell left, so its queen goes there. Place a queen at D6. This reasons over row 6.

  12. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at H4.

  13. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E1.

  14. Forced queen essential

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

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A3.

  16. Forced queen essential

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

  17. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B8.

Answer: queens at G12, F10, L2, I9, J7, D6, H4, E1, K5, A3, C11, B8.