Queens Grid

Daily Queens Puzzle — July 25, 2026

Saturday · 13×13 · Tough · Medium · 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 46 cells.

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

How this board is solved

Solving this 13x13 board takes 18 deductions and needs the intermediate group-lock techniques, drawing on 7 distinct techniques. The first queen you can place for certain is M4. The queens resolve in the order M4 → F5 → A8 → K3 → L6 → B13 → G10 → H7 → J9 → I1 → C11 → E12 → D2. 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 M4.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at F5.

  3. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at A8.

  4. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at K3.

  5. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at L6.

  6. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B13.

  7. Region line lock essential

    Region line lock. This colour must use column 8, so nothing else can. This reasons over column 8. Rules out H1, H2, H10, H11, H12.

  8. Region line lock essential

    Region line lock. This colour must use row 1, so nothing else can. This reasons over row 1. Rules out C1, D1, E1, G1.

  9. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out I2.

  10. Two-region group lock intermediate

    Two-region group lock. 2 colours fit in only 2 columns, reserving them. This reasons over column 9 and column 10. Rules out I9, I10, I11, I12, J10, J11, J12.

  11. 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 12. Rules out C10, D10, E10, D11, E11.

  12. Last cell in a line essential

    Last cell in a line. Row 10 has one legal cell left, so its queen goes there. Place a queen at G10. This reasons over row 10.

  13. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at H7.

  14. Forced queen essential

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

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I1.

  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 E12.

  18. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at D2.

Answer: queens at M4, F5, A8, K3, L6, B13, G10, H7, J9, I1, C11, E12, D2.