Queens Grid

Daily Queens Puzzle — April 4, 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 55 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 5 distinct techniques. The first queen you can place for certain is F2. The queens resolve in the order F2 → H8 → M1 → G12 → A5 → C6 → E11 → I10 → L9 → J3 → D4 → K7 → B13. 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 F2.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at H8.

  3. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at M1.

  4. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at G12.

  5. Region line lock essential

    Region line lock. This colour must use column 1, so nothing else can. This reasons over column 1. Rules out A3, A4, A7, A9, A10, A11, A13.

  6. Region line lock essential

    Region line lock. This colour must use row 6, so nothing else can. This reasons over row 6. Rules out A6, D6, E6, I6, J6, K6, L6.

  7. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A5.

  8. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C6.

  9. Region line lock essential

    Region line lock. This colour must use row 13, so nothing else can. This reasons over row 13. Rules out E13, I13, J13, K13, L13.

  10. Two-region group lock intermediate

    Two-region group lock. 2 colours fit in only 2 rows, reserving them. This reasons over row 3 and row 4. Rules out K3, E4, J4, K4, L4.

  11. Split-line region lock intermediate

    Split-line region lock. 2 colours fit in only 2 columns, reserving them. This reasons over column 2 and column 4. Rules out B9, B10, B11, D9, D10, D11.

  12. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E11.

  13. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I10.

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at L9.

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J3.

  16. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at D4.

  17. Forced queen essential

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

  18. Forced queen essential

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

Answer: queens at F2, H8, M1, G12, A5, C6, E11, I10, L9, J3, D4, K7, B13.