Daily Queens Puzzle — August 2, 2026

Sunday · 13×13 · Toughest · Medium · 21 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 45 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 21 deductions and needs the intermediate group-lock techniques, drawing on 7 distinct techniques. The first queen you can place for certain is C2. The queens resolve in the order C2 → G8 → H10 → B9 → A3 → J4 → D5 → F11 → E13 → M12 → I6 → K1 → L7. Every step follows by logic, so you never have to guess.

Techniques this board needs

Full solution, step by step (21 deductions)

Single-cell region essential
Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at C2.
Single-cell region essential
Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at G8.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at H10.
Region line lock essential
Region line lock. This colour must use column 1, so nothing else can. This reasons over column 1. Rules out A4, A5, A6, A7, A9, A11, A12, A13.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at B9.
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, E1, F1.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A3.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J4.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at D5.
Shared diagonal neighbour intermediate
Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out L12.
Shared diagonal neighbour intermediate
Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out F12.
Two-region group lock intermediate
Two-region group lock. 2 colours fit in only 2 rows, reserving them. This reasons over row 6 and row 7. Rules out F6, E7, I7.
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 5. Rules out F13.
Last cell in a line essential
Last cell in a line. Column 6 has one legal cell left, so its queen goes there. Place a queen at F11. This reasons over column 6.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E13.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at M12.
Region line lock essential
Region line lock. This colour must use column 12, so nothing else can. This reasons over column 12. Rules out L1.
Shared diagonal neighbour intermediate
Shared diagonal neighbour. Every remaining option for this colour touches these cells, so they are out. Rules out K6, K7.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I6.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at K1.
Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at L7.

Answer: queens at C2, G8, H10, B9, A3, J4, D5, F11, E13, M12, I6, K1, L7.