LinkedIn Queens answer for Sunday, October 25: #908

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 Gray region sits entirely in row 9, so no other queen can go in row 9. The Orange, Green, Yellow, Red, Teal and Gray regions sit entirely in columns 3, 4, 5, 6, 7 and 8, so no other queen can go in those columns. The Pink region sits entirely in column 2, so no other queen can go in column 2. The Yellow, Red and Pink regions sit entirely in rows 4, 5 and 6, so no other queen can go in those rows. A queen in row 5, column 6 would leave the Yellow region with no open square, so that square is out. A queen in row 6, column 5 would leave the Teal region with no open square, so that square is out. Row 6 has only one open square left, so its queen goes in column 7 (Yellow region) (R6C7).
2. Step 2: Column 8 has only one open square left, so its queen goes in row 2 (Green region) (R2C8).
3. Step 3: Column 6 has only one open square left, so its queen goes in row 9 (Gray region) (R9C6).
4. Step 4: Column 3 has only one open square left, so its queen goes in row 1 (Orange region) (R1C3).
5. Step 5: Row 3 has only one open square left, so its queen goes in column 1 (Purple region) (R3C1).
6. Step 6: The Pink region has only one open square left, so its queen goes in row 5, column 2 (R5C2).
7. Step 7: The Red region has only one open square left, so its queen goes in row 4, column 5 (R4C5).
8. Step 8: The Teal region has only one open square left, so its queen goes in row 7, column 4 (R7C4).
9. Step 9: The Blue region has only one open square left, so its queen goes in row 8, column 9 (R8C9).

Answer coordinates: R1C3, R2C8, R3C1, R4C5, R5C2, R6C7, R7C4, R8C9, R9C6