Queens Grid

Daily Queens Puzzle — June 21, 2026

Sunday · 13×13 · Toughest · Hard · 26 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 35 cells.

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

How this board is solved

Solving this 13x13 board takes 26 deductions and needs expert techniques, including testing a queen, drawing on 7 distinct techniques. The first queen you can place for certain is E7. The queens resolve in the order E7 → H11 → A10 → G9 → M8 → L12 → K1 → B2 → C6 → D3 → F5 → J4 → I13. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (26 deductions)
  1. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at E7.

  2. Single-cell region essential

    Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at H11.

  3. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out L13.

  4. Two-region group lock intermediate

    Two-region group lock. 2 colours fit in only 2 rows, reserving them. This reasons over row 12 and row 13. Rules out A12, B12, C12, D12, F12, A13, B13, C13 and 3 more.

  5. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A10.

  6. 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, B8.

  7. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out C1, C2.

  8. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out L8.

  9. Two-region group lock intermediate

    Two-region group lock. 2 colours fit in only 2 rows, reserving them. This reasons over row 1 and row 2. Rules out D1, F1, G1, I1, J1, D2, F2, G2 and 3 more.

  10. Two-region group lock intermediate

    Two-region group lock. 2 colours fit in only 2 rows, reserving them. This reasons over row 8 and row 9. Rules out C8, G8, J8, K8, C9, D9, F9, I9 and 1 more.

  11. Multi-region group lock intermediate

    Multi-region group lock. 3 colours fit in only 3 columns, reserving them. This reasons over column 11 and column 12 and column 13. Rules out K3, K4, K5, K6, K12, K13, L3, L4 and 6 more.

  12. Two-region group lock intermediate

    Two-region group lock. 2 colours fit in only 2 columns, reserving them. This reasons over column 10 and column 9. Rules out I3, I4, I8.

  13. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at G9.

  14. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at M8.

  15. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at L12.

  16. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at K1.

  17. Forced queen essential

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

  18. Region line lock essential

    Region line lock. This colour must use column 6, so nothing else can. This reasons over column 6. Rules out F4.

  19. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out D4.

  20. Shared diagonal neighbour intermediate

    Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out C5.

  21. Ruled out either way expert

    Ruled out either way. These cells are ruled out no matter where this colour's queen goes. Rules out D5.

  22. Forced queen essential

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

  23. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at D3.

  24. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at F5.

  25. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J4.

  26. Forced queen essential

    Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I13.

Answer: queens at E7, H11, A10, G9, M8, L12, K1, B2, C6, D3, F5, J4, I13.