Queens Grid

Daily Queens Puzzle — March 28, 2026

Saturday · 12×12 · Tough · Hard · 18 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 29 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 18 deductions and needs expert techniques, including testing a queen, drawing on 7 distinct techniques. The first queen you can place for certain is H2. The queens resolve in the order H2 → F10 → B12 → J1 → G8 → A9 → D7 → E5 → C4 → L6 → K3 → I11. 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 H2.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at F10.

  3. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at B12.

  4. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J1.

  5. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at G8.

  6. Region line lock essential

    Region line lock. This colour must use row 11, so nothing else can. This reasons over row 11. Rules out D11, K11.

  7. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A9.

  8. Line uses one region intermediate

    Line uses one region. 1 columns can only be filled by 1 colours, using them up. This reasons over column 11. Rules out I4, I5, L3, L4.

  9. Split-line region lock intermediate

    Split-line region lock. 2 colours fit in only 2 columns, reserving them. This reasons over column 12 and column 9. Rules out I6.

  10. Region line lock essential

    Region line lock. This colour must use column 5, so nothing else can. This reasons over column 5. Rules out E3, E4, E7.

  11. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out D5, D6.

  12. Ruled out either way expert

    Ruled out either way. These cells are ruled out no matter where this colour's queen goes. Rules out C3.

  13. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at D7.

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E5.

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C4.

  16. Forced queen essential

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

  17. Forced queen essential

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

  18. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I11.

Answer: queens at H2, F10, B12, J1, G8, A9, D7, E5, C4, L6, K3, I11.