Daily Queens Puzzle — November 8, 2026

Sunday · 15×15 · Toughest · Medium · 24 deductions

15 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 15x15 board split into 15 colour regions, needing 15 queens: one per row, one per column, one per region, none touching. Regions run from 1 to 47 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 15x15 board takes 24 deductions and needs the intermediate group-lock techniques, drawing on 8 distinct techniques. The first queen you can place for certain is L13. The queens resolve in the order L13 → J14 → B12 → F10 → N9 → K7 → H8 → A6 → I11 → D3 → C1 → G2 → E5 → O4 → M15. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (24 deductions)

Single-cell region essential
Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at L13.
Single-cell region essential
Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at J14.
Region line lock essential
Region line lock. This colour must use row 15, so nothing else can. This reasons over row 15. Rules out A15, B15, C15, D15, E15, F15, G15, H15.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B12.
Split-line region lock intermediate
Split-line region lock. 2 colours fit in only 2 columns, reserving them. This reasons over column 1 and column 3. Rules out A3, A4, A5, A9, A10, C4, C5, C6 and 3 more.
Region line lock essential
Region line lock. This colour must use column 4, so nothing else can. This reasons over column 4. Rules out D1, D5, D6, D7, D8, D9, D10, D11.
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 11. Rules out I8, K8, I9, K9, M9, O9, E10, G10 and 6 more.
Last cell in a line essential
Last cell in a line. Row 10 has one legal cell left, so its queen goes there. Place a queen at F10. This reasons over row 10.
Last cell in a line essential
Last cell in a line. Row 9 has one legal cell left, so its queen goes there. Place a queen at N9. This reasons over row 9.
Shared diagonal neighbour intermediate
Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out C3, E3.
Split-line region lock intermediate
Split-line region lock. 2 colours fit in only 2 columns, reserving them. This reasons over column 15 and column 13. Rules out O1, O2, O3, O11, M1, M2, M3, M4 and 3 more.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at K7.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at H8.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A6.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I11.
Shared diagonal neighbour intermediate
Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out D2.
Shared diagonal neighbour intermediate
Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out E4.
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 D4.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at D3.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C1.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at G2.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E5.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at O4.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at M15.

Answer: queens at L13, J14, B12, F10, N9, K7, H8, A6, I11, D3, C1, G2, E5, O4, M15.