HN
Today

Chess puzzle I found in my dad's old book

A resurfaced chess puzzle from the creator of the 'Mechanical Turk' challenges players to dominate an entire board with just five pieces. This historical brain-teaser, attributed to Wolfgang von Kempelen, asks enthusiasts to place four black queens and one black bishop such that no square remains safe from attack. Its blend of history, intellectual challenge, and interactive play makes it a classic Hacker News favorite.

20
Score
2
Comments
#4
Highest Rank
15h
on Front Page
First Seen
May 13, 9:00 PM
Last Seen
May 14, 11:00 AM
Rank Over Time
7584756911111617141114

The Lowdown

This intriguing post presents a historically significant and notoriously difficult chess puzzle attributed to Wolfgang von Kempelen, the 18th-century inventor renowned for his 'Mechanical Chess Player.' The challenge, designed to frustrate even the greatest minds of its era, requires strategic placement of a limited set of pieces to completely control the board.

  • Puzzle Origin: The puzzle comes from Wolfgang von Kempelen, known for his famous 'Mechanical Chess Player' (the 'Turk').
  • The Task: Players must position four black queens and one black bishop on a standard chessboard.
  • The Condition: Every single square on the chessboard must be under attack by at least one of these five black pieces.
  • The Outcome: This means it should be impossible to place a white king anywhere on the board without it being immediately in checkmate.
  • Interactive Play: The linked webpage provides an interactive interface allowing users to drag and drop pieces to attempt solving the puzzle themselves.

This puzzle offers a unique blend of historical context and intellectual rigor, inviting modern players to test their strategic prowess against a challenge that once stumped masters, all while leveraging a modern, interactive platform.