Daily Queens Puzzle — July 30, 2026
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 1 to 20 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 16 deductions and needs expert techniques, including testing a queen, drawing on 6 distinct techniques. The first queen you can place for certain is F1. The queens resolve in the order F1 → B7 → C2 → D9 → J8 → I4 → G3 → A5 → E6 → H10. Every step follows by logic, so you never have to guess.
Techniques this board needs
- Single-cell region
- Forced queen
- Ruled out either way
- Multi-region group lock
- Test a queen
- Region line lock
Full solution, step by step (16 deductions)
- Single-cell region essential
Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at F1.
- Single-cell region essential
Single-cell region. This colour covers only one cell, so its queen goes there. Place a queen at B7.
- Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at C2.
- Ruled out either way expert
Ruled out either way. These cells are ruled out no matter where this colour's queen goes. Rules out J6.
- Multi-region group lock intermediate
Multi-region group lock. 3 colours fit in only 3 rows, reserving them. This reasons over row 3 and row 4 and row 5. Rules out G4, D5, E5, G5, I5.
- Test a queen expert
Test a queen. Following the consequences of a queen here reaches a dead end, so it is out. Rules out A9.
- Ruled out either way expert
Ruled out either way. These cells are ruled out no matter where this colour's queen goes. Rules out D10, E10.
- Test a queen expert
Test a queen. Following the consequences of a queen here reaches a dead end, so it is out. Rules out A10.
- Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at D9.
- Region line lock essential
Region line lock. This colour must use row 6, so nothing else can. This reasons over row 6. Rules out H6, I6.
- Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at J8.
- Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at I4.
- Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at G3.
- Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at A5.
- Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at E6.
- Forced queen essential
Forced queen. This colour has one legal cell left, so its queen goes there. Place a queen at H10.
Answer: queens at F1, B7, C2, D9, J8, I4, G3, A5, E6, H10.