Queens Grid

Daily Queens Puzzle — September 9, 2026

Wednesday · 10×10 · Steady · Medium · 16 deductions

10 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 10x10 board split into 10 colour regions, needing 10 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: Wednesday is set to steady. Every daily puzzle has one solution and needs no guessing.

How this board is solved

Solving this 10x10 board takes 16 deductions and needs the intermediate group-lock techniques, drawing on 7 distinct techniques. The first queen you can place for certain is G1. The queens resolve in the order G1 → C9 → B5 → E8 → F10 → H6 → J7 → I2 → A3 → D4. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (16 deductions)
  1. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at G1.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at C9.

  3. Region line lock essential

    Region line lock. This colour must use column 1, so nothing else can. This reasons over column 1. Rules out A5, A6, A7, A8, A10.

  4. Forced queen essential

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

  5. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out I3.

  6. 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 I4, I6, I8, I10, J10.

  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 H7, H8, H10.

  8. 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 10. Rules out D7, E7, F7, F8.

  9. 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 7. Rules out J6, J8.

  10. Last cell in a line essential

    Last cell in a line. Row 8 has one legal cell left, so its queen goes there. Place a queen at E8. This reasons over row 8.

  11. Forced queen essential

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

  12. 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 H6. This reasons over row 6.

  13. Forced queen essential

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

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I2.

  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 D4.

Answer: queens at G1, C9, B5, E8, F10, H6, J7, I2, A3, D4.