LinkedIn Queens answer for Saturday, August 1: #823

Queens solution, step by step

Each LinkedIn Queens step places one queen and closes its row, its column, its region and the squares touching it.

1. Step 1: The Orange region sits entirely in column 5, so no other queen can go in column 5. The Blue, Red, Pink and Teal regions sit entirely in columns 6, 7, 8 and 9, so no other queen can go in those columns. The Purple region sits entirely in column 4, so no other queen can go in column 4. The Yellow region has only one open square left, so its queen goes in row 3, column 3 (R3C3).
2. Step 2: The Green region has only one open square left, so its queen goes in row 5, column 2 (R5C2).
3. Step 3: Row 4 has only one open square left, so its queen goes in column 9 (Teal region) (R4C9).
4. Step 4: The Red region sits entirely in row 6, so no other queen can go in row 6. The Purple, Orange and Blue regions sit entirely in rows 7, 8 and 9, so no other queen can go in those rows. A queen in row 7, column 6 would leave the Orange region with no open square, so that square is out. A queen in row 7, column 7 would leave the Red region with no open square, so that square is out. A queen in row 8, column 4 would leave the Orange region with no open square, so that square is out. The Purple region has only one open square left, so its queen goes in row 9, column 4 (R9C4).
5. Step 5: The Orange region has only one open square left, so its queen goes in row 7, column 5 (R7C5).
6. Step 6: The Red region has only one open square left, so its queen goes in row 6, column 7 (R6C7).
7. Step 7: The Blue region has only one open square left, so its queen goes in row 8, column 8 (R8C8).
8. Step 8: The Pink region has only one open square left, so its queen goes in row 2, column 6 (R2C6).
9. Step 9: The Gray region has only one open square left, so its queen goes in row 1, column 1 (R1C1).

Answer coordinates: R1C1, R2C6, R3C3, R4C9, R5C2, R6C7, R7C5, R8C8, R9C4