Queens Grid

Daily Queens Puzzle — October 17, 2026

Saturday · 13×13 · Tough · Medium · 16 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 40 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 16 deductions and needs the intermediate group-lock techniques, drawing on 5 distinct techniques. The first queen you can place for certain is M2. The queens resolve in the order M2 → G7 → D10 → H13 → C1 → A11 → E4 → I5 → L6 → K9 → J3 → B8 → F12. 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 M2.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at G7.

  3. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at D10.

  4. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at H13.

  5. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C1.

  6. Region line lock essential

    Region line lock. This colour must use column 9, so nothing else can. This reasons over column 9. Rules out I3, I4, I9, I11.

  7. Region line lock essential

    Region line lock. This colour must use column 2, so nothing else can. This reasons over column 2. Rules out B3, B4, B5, B6, B11, B12.

  8. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A11.

  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 3. Rules out F4, J4, K4, L4, J5, K5, L5, J6 and 1 more.

  10. Last cell in a line essential

    Last cell in a line. Row 4 has one legal cell left, so its queen goes there. Place a queen at E4. This reasons over row 4.

  11. Last cell in a line essential

    Last cell in a line. Row 5 has one legal cell left, so its queen goes there. Place a queen at I5. This reasons over row 5.

  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 L6. 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 K9.

  14. Forced queen essential

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

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B8.

  16. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at F12.

Answer: queens at M2, G7, D10, H13, C1, A11, E4, I5, L6, K9, J3, B8, F12.