2026-08-01
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Puzzle guide
Full breakdown using the Strategy coach format — row-by-row placements, region scans, and strategy notes.
Overview
LinkedIn Queens #823 is the LinkedIn Queens daily for August 1, 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: Hard. Estimated solve time: 6–10 min.
Answer
Final queen coordinates for this board:
R1C1, R2C6, R3C3, R4C9, R5C2, R6C7, R7C5, R8C8, 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
Teaching LinkedIn Queens #823: start with region scans on this 9×9 board. 9 regions, sizes 3–23. Walk students through 9 placements ending at R1C1, R2C6, R3C3, R4C9, R5C2, R6C7, R7C5, R8C8, R9C4.
Board spotlight: Several color regions span only a few cells — scan those regions first because they often force a queen into a single row or column. Region sizes range from 3 to 23 cells — smaller regions often pin a queen to a single row intersection.
Lesson step 1: show why R1C1 is forced. Row 1, column 1 is the forced queen once region 1, row, column, and touch rules are applied together. Ask: which rows/columns/regions are now closed?
Lesson step 2: show why R2C6 is forced. Row 2, column 6 is the forced queen once region 3, row, column, and touch rules are applied together. Ask: which rows/columns/regions are now closed?
Lesson step 3: show why R3C3 is forced. Row 3, column 3 is the forced queen once region 5, row, column, and touch rules are applied together. Ask: which rows/columns/regions are now closed?
Lesson step 4: show why R4C9 is forced. Region 4 only touches row 4 once on this board, so its queen must land at column 9. Ask: which rows/columns/regions are now closed?
Lesson step 5: show why R5C2 is forced. Column 2 is the only column still available for a queen in row 5. Ask: which rows/columns/regions are now closed?
Lesson step 6: show why R6C7 is forced. Row 6, column 7 is the forced queen once region 6, row, column, and touch rules are applied together. Ask: which rows/columns/regions are now closed?
Lesson step 7: show why R7C5 is forced. Region 7 only touches row 7 once on this board, so its queen must land at column 5. Ask: which rows/columns/regions are now closed?
Lesson step 8: show why R8C8 is forced. After eliminations, row 8 has one legal square left — column 8. Ask: which rows/columns/regions are now closed?
Lesson step 9: show why R9C4 is forced. After eliminations, row 9 has one legal square left — column 4. Ask: which rows/columns/regions are now closed?
Recap: 9 queens, 9 regions, one solution path. Replay using region-first scanning.
Rows
Placement insight
Row 1, column 1 is the forced queen once region 1, row, column, and touch rules are applied together.
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 elimination patterns on similar boards.
Placement insight
Row 2, column 6 is the forced queen once region 3, row, column, and touch rules are applied together.
Solving note
Placing here claims row 2, column 6, 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 3 is the forced queen once region 5, row, column, and touch rules are applied together.
Solving note
Placing here claims row 3, column 3, 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
Region 4 only touches row 4 once on this board, so its queen must land at column 9.
Solving note
Placing here claims row 4, column 9, and region 4. 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
Column 2 is the only column still available for a queen in row 5.
Solving note
Placing here claims row 5, column 2, and region 2. 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
Row 6, column 7 is the forced queen once region 6, row, column, and touch rules are applied together.
Solving note
Placing here claims row 6, column 7, 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
Region 7 only touches row 7 once on this board, so its queen must land at column 5.
Solving note
Placing here claims row 7, column 5, and region 7. 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
After eliminations, row 8 has one legal square left — column 8.
Solving note
Placing here claims row 8, column 8, and region 8. Auto X marks will block 80 other cells from holding another queen in those units. Watch for row Scan 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
Teach verification by checking units: after the full set R1C1, R2C6, R3C3, R4C9, R5C2, R6C7, R7C5, R8C8, R9C4, each of 9 rows has exactly one queen, each column once, each region once, no neighbors.
Takeaways
9 rows, 9 columns, 9 regions — each gets exactly one queen.
Mark eliminations, then place forced queens, then re-scan regions.
Final set R1C1, R2C6, R3C3, R4C9, R5C2, R6C7, R7C5, R8C8, R9C4 — count queens per row/col/region before celebrating.