2026-07-30
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Puzzle guide
Full breakdown using the Solver walkthrough format — row-by-row placements, region scans, and strategy notes.
Overview
LinkedIn Queens #821 is the LinkedIn Queens daily for July 30, 2026. Queens is LinkedIn's logic puzzle: place exactly one queen in every row, column, and colored region on a 9×9 board, with no two queens touching—even diagonally. This page includes the live board, a solved-board view, and a step-by-step Solution walkthrough. Difficulty: Medium. Estimated solve time: 4–6 min.
Answer
Final queen coordinates for this board:
R1C1, R2C8, R3C6, R4C3, R5C5, R6C7, R7C2, R8C9, R9C4
Several color regions span only a few cells — scan those regions first because they often force a queen into a single row or column.
Analysis
I solve LinkedIn Queens #821 row by row on a 9×9 grid. 9 regions, 9 queens total. My final map: R1C1, R2C8, R3C6, R4C3, R5C5, R6C7, R7C2, R8C9, R9C4. X marks do most of the work before I commit each crown.
Before placing anything I mark X on every cell blocked by givens — then I hunt the tightest region. Several color regions span only a few cells — scan those regions first because they often force a queen into a single row or column.
I place queen 1 at R1C1. Region 1 only touches row 1 once on this board, so its queen must land at column 1. That clears a chunk of the grid via auto X marks.
I place queen 2 at R2C8. Row 2, column 8 is the forced queen once region 3, row, column, and touch rules are applied together. That clears a chunk of the grid via auto X marks.
I place queen 3 at R3C6. Row 3, column 6 is the forced queen once region 5, row, column, and touch rules are applied together. That clears a chunk of the grid via auto X marks.
I place queen 4 at R4C3. Row 4, column 3 is the forced queen once region 4, row, column, and touch rules are applied together. That clears a chunk of the grid via auto X marks.
I place queen 5 at R5C5. Row 5, column 5 is the forced queen once region 6, row, column, and touch rules are applied together. That clears a chunk of the grid via auto X marks.
I place queen 6 at R6C7. Row 6, column 7 is the forced queen once region 7, row, column, and touch rules are applied together. That clears a chunk of the grid via auto X marks.
I place queen 7 at R7C2. Row 7, column 2 is the forced queen once region 2, row, column, and touch rules are applied together. That clears a chunk of the grid via auto X marks.
I place queen 8 at R8C9. Column 9 is the only column still available for a queen in row 8. That clears a chunk of the grid via auto X marks.
I place queen 9 at R9C4. After eliminations, row 9 has one legal square left — column 4. That clears a chunk of the grid via auto X marks.
Done — R1C1, R2C8, R3C6, R4C3, R5C5, R6C7, R7C2, R8C9, R9C4. Every row and region checked twice. Several color regions span only a few cells — scan those regions first because they often force a queen into a single row or column.
Rows
Placement insight
Region 1 only touches row 1 once on this board, so its queen must land at column 1.
Solving note
Placing here claims row 1, column 1, and region 1. Auto X marks will block 80 other cells from holding another queen in those units. Watch for region Pin patterns on similar boards.
Placement insight
Row 2, column 8 is the forced queen once region 3, row, column, and touch rules are applied together.
Solving note
Placing here claims row 2, column 8, and region 3. Auto X marks will block 80 other cells from holding another queen in those units. Watch for elimination patterns on similar boards.
Placement insight
Row 3, column 6 is the forced queen once region 5, row, column, and touch rules are applied together.
Solving note
Placing here claims row 3, column 6, and region 5. Auto X marks will block 80 other cells from holding another queen in those units. Watch for elimination patterns on similar boards.
Placement insight
Row 4, column 3 is the forced queen once region 4, row, column, and touch rules are applied together.
Solving note
Placing here claims row 4, column 3, and region 4. Auto X marks will block 80 other cells from holding another queen in those units. Watch for elimination patterns on similar boards.
Placement insight
Row 5, column 5 is the forced queen once region 6, row, column, and touch rules are applied together.
Solving note
Placing here claims row 5, column 5, and region 6. Auto X marks will block 80 other cells from holding another queen in those units. Watch for elimination patterns on similar boards.
Placement insight
Row 6, column 7 is the forced queen once region 7, row, column, and touch rules are applied together.
Solving note
Placing here claims row 6, column 7, and region 7. Auto X marks will block 80 other cells from holding another queen in those units. Watch for elimination patterns on similar boards.
Placement insight
Row 7, column 2 is the forced queen once region 2, row, column, and touch rules are applied together.
Solving note
Placing here claims row 7, column 2, and region 2. Auto X marks will block 80 other cells from holding another queen in those units. Watch for elimination patterns on similar boards.
Placement insight
Column 9 is the only column still available for a queen in row 8.
Solving note
Placing here claims row 8, column 9, and region 8. Auto X marks will block 80 other cells from holding another queen in those units. Watch for column Pin patterns on similar boards.
Placement insight
After eliminations, row 9 has one legal square left — column 4.
Solving note
Placing here claims row 9, column 4, and region 9. Auto X marks will block 80 other cells from holding another queen in those units. Watch for row Scan patterns on similar boards.
Verification
I trust R1C1, R2C8, R3C6, R4C3, R5C5, R6C7, R7C2, R8C9, R9C4 because every queen I placed matched the only legal square left in its row after X marks. Wrong squares would collide on row, column, region, or diagonal.
Takeaways
Row reveals in order 1, 2, 3, 4, 5, 6, 7, 8, 9 matched how eliminations opened up — R1C1, R2C8, R3C6, R4C3, R5C5, R6C7, R7C2, R8C9, R9C4.
Two queens diagonally adjacent invalidate the whole board — scan diagonals when a region looks free.
Retry LinkedIn Queens #821 using one less hint — target under five minutes on 9×9.