Queens Grid

Daily Queens Puzzle — April 8, 2026

Wednesday · 10×10 · Steady · Medium · 18 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 3 to 19 cells.

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

How this board is solved

Solving this 10x10 board takes 18 deductions and needs the intermediate group-lock techniques, drawing on 5 distinct techniques. It opens on row 10, ruling cells out before any queen goes down. The queens resolve in the order B9 → C2 → G8 → F3 → J4 → I1 → H10 → E5 → D7 → A6. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (18 deductions)
  1. Region line lock essential

    Region line lock. This colour must use row 10, so nothing else can. This reasons over row 10. Rules out A10, B10, C10, D10, E10, F10, G10.

  2. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B9.

  3. Region line lock essential

    Region line lock. This colour must use column 1, so nothing else can. This reasons over column 1. Rules out A1, A2, A3, A4, A5.

  4. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C2.

  5. Region line lock essential

    Region line lock. This colour must use row 1, so nothing else can. This reasons over row 1. Rules out E1, F1, G1, H1.

  6. Region line lock essential

    Region line lock. This colour must use row 3, so nothing else can. This reasons over row 3. Rules out E3, H3, I3, J3.

  7. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out F4, G4.

  8. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out E7.

  9. Multi-region group lock intermediate

    Multi-region group lock. 3 colours fit in only 3 columns, reserving them. This reasons over column 9 and column 10 and column 8. Rules out I4, I8, H4, H7, H8.

  10. Forced queen essential

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

  11. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at F3.

  12. Region line lock essential

    Region line lock. This colour must use column 4, so nothing else can. This reasons over column 4. Rules out D4, D5.

  13. 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 J4. This reasons over row 4.

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I1.

  15. Forced queen essential

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

  16. 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 E5. This reasons over row 5.

  17. Forced queen essential

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

  18. 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 B9, C2, G8, F3, J4, I1, H10, E5, D7, A6.