DROPPEDBIT BLOG

Puzzle notes

Ideas, design decisions, and solutions from the people who make DroppedBit.

A technical breakdown and solution for Weekly Puzzle #07: The Misfiled Manifest, using coupled case-and-channel placement rules, relative-order constraints, and domain elimination to reconstruct a five-locker cargo manifest.

#weekly-puzzle #constraint-satisfaction #logic-puzzles #combinatorics #deduction
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A technical breakdown and solution for Weekly Puzzle #06: Before the Alarm, using reference synchronization pulses, clock offset and frequency drift calibration, and timestamp normalization to reconstruct an event sequence.

#weekly-puzzle #clock-drift #time-synchronization #distributed-systems #calibration
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A technical breakdown and solution for Weekly Puzzle #05: The Quiet Route, using state-augmented shortest paths, permit-gated edges, and Dijkstra's algorithm to recover a courier's stamp sequence.

#weekly-puzzle #graphs #shortest-path #dijkstra #algorithms
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A technical breakdown and solution for Weekly Puzzle #04: The Missing Strip, using bitwise even parity (RAID reconstruction), physical sector recovery, and filesystem allocation chaining to recover an archive label.

#weekly-puzzle #parity #raid #xor #data-recovery
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A technical breakdown and solution for Weekly Puzzle #03: Out of Order, using handshake state, byte checksums, and fragment offsets to recover a relay message.

#weekly-puzzle #networking #packet-fragmentation #checksums
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A technical breakdown and solution for Weekly Puzzle #02: The Winning Move, analyzing the legendary Saavedra endgame study, underpromotion, and stalemate avoidance.

#weekly-puzzle #chess #endgame #saavedra #underpromotion
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A technical breakdown and solution for Weekly Puzzle #01: The First Find, exploring Archie, early Internet search history, and Base64 cache decoding.

#weekly-puzzle #search-history #archie #base64
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