Queens Grid

Daily Queens Puzzle — March 14, 2026

Saturday · 12×12 · Tough · Medium · 19 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 33 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 12x12 board takes 19 deductions and needs the intermediate group-lock techniques, drawing on 5 distinct techniques. The first queen you can place for certain is G1. The queens resolve in the order G1 → D2 → L12 → B3 → E4 → F11 → K7 → C8 → J9 → H10 → I5 → A6. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (19 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 D2.

  3. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at L12.

  4. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B3.

  5. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E4.

  6. Region line lock essential

    Region line lock. This colour must use column 3, so nothing else can. This reasons over column 3. Rules out C5, C6, C9, C10, C11.

  7. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at F11.

  8. Region line lock essential

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

  9. Region line lock essential

    Region line lock. This colour must use column 11, so nothing else can. This reasons over column 11. Rules out K5, K6, K9, K10.

  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 10. Rules out I6, I7, H8, I8, H9.

  11. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out I9.

  12. Region line lock essential

    Region line lock. This colour must use column 10, so nothing else can. This reasons over column 10. Rules out J5, J6, J10.

  13. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out K8.

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at K7.

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C8.

  16. Forced queen essential

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

  17. Forced queen essential

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

  18. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I5.

  19. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A6.

Answer: queens at G1, D2, L12, B3, E4, F11, K7, C8, J9, H10, I5, A6.