Queens Grid

Daily Queens Puzzle — May 21, 2026

Thursday · 10×10 · Tricky · Hard · 14 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 22 cells.

The daily board is the same for everyone and gets harder as the week goes on: Thursday is set to tricky. Every daily puzzle has one solution and needs no guessing.

How this board is solved

Solving this 10x10 board takes 14 deductions and needs expert techniques, including testing a queen, drawing on 5 distinct techniques. The first queen you can place for certain is C1. The queens resolve in the order C1 → H7 → D10 → A2 → I5 → G3 → E6 → F8 → J9 → B4. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (14 deductions)
  1. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at C1.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at H7.

  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. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A2.

  5. 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 2. Rules out E4.

  6. Ruled out either way expert

    Ruled out either way. These cells are ruled out no matter where this colour's queen goes. Rules out J3.

  7. Ruled out either way expert

    Ruled out either way. These cells are ruled out no matter where this colour's queen goes. Rules out F9.

  8. Region line lock essential

    Region line lock. This colour must use column 10, so nothing else can. This reasons over column 10. Rules out J4, J5, J6.

  9. Forced queen essential

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

  10. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at G3.

  11. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E6.

  12. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at F8.

  13. Forced queen essential

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

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B4.

Answer: queens at C1, H7, D10, A2, I5, G3, E6, F8, J9, B4.