Queens Grid

Daily Queens Puzzle — August 13, 2026

Thursday · 10×10 · Tricky · Hard · 22 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 2 to 31 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 22 deductions and needs expert techniques, including testing a queen, drawing on 8 distinct techniques. It opens on row 1, ruling cells out before any queen goes down. The queens resolve in the order B2 → A6 → D7 → I1 → H3 → E9 → G8 → F4 → C5 → J10. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (22 deductions)
  1. Region line lock essential

    Region line lock. This colour must use row 1, so nothing else can. This reasons over row 1. Rules out A1, B1, C1, D1, E1, F1, G1, J1.

  2. Region line lock essential

    Region line lock. This colour must use row 3, so nothing else can. This reasons over row 3. Rules out A3, B3, C3, D3, E3, F3, I3, J3.

  3. Region line lock essential

    Region line lock. This colour must use row 2, so nothing else can. This reasons over row 2. Rules out C2, D2, E2, F2, G2, H2, I2, J2.

  4. Region line lock essential

    Region line lock. This colour must use column 1, so nothing else can. This reasons over column 1. Rules out A2, A4, A7, A8, A9, A10.

  5. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B2.

  6. 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, D8, D9, D10.

  7. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out F5.

  8. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out G4, H4.

  9. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out C6, E6, C7, E7.

  10. Two-region group lock intermediate

    Two-region group lock. 2 colours fit in only 2 rows, reserving them. This reasons over row 4 and row 5. Rules out I4, J4, A5, H5, I5, J5.

  11. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A6.

  12. Forced queen essential

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

  13. 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 10. Rules out G9, G10, H8, H9, H10, I8, I9, I10.

  14. Last cell in a line essential

    Last cell in a line. Column 9 has one legal cell left, so its queen goes there. Place a queen at I1. This reasons over column 9.

  15. Last cell in a line essential

    Last cell in a line. Column 8 has one legal cell left, so its queen goes there. Place a queen at H3. This reasons over column 8.

  16. Split-line region lock intermediate

    Split-line region lock. 2 colours fit in only 2 columns, reserving them. This reasons over column 3 and column 5. Rules out E4, E10.

  17. Ruled out either way expert

    Ruled out either way. These cells are ruled out no matter where this colour's queen goes. Rules out E5.

  18. Last cell in a line essential

    Last cell in a line. Column 5 has one legal cell left, so its queen goes there. Place a queen at E9. This reasons over column 5.

  19. Forced queen essential

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

  20. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at F4.

  21. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C5.

  22. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J10.

Answer: queens at B2, A6, D7, I1, H3, E9, G8, F4, C5, J10.