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Was ist die maximale Anzahl von Königinnen auf einem Schachbrett platziert werden, so dass sie einander nicht angreifen? An Bord der Größe von n * n?

A: 1, n = 1, 2; 2, n = 3; n, für n> = 4 ist. an Bord Gesamt die Standard-8 * 8 - 8: 

  1 2 3 4 5 6 7 8
  ___ ___ ___ ___ ___ ___ ___ ___
 h |  |  |  |  |  |  |  F |  |
  --- --- --- --- --- --- --- ---
 g |  |  |  |  |  F |  |  |  |
  --- --- --- --- --- --- --- ---
 f |  |  |  F |  |  |  |  |  |
  --- --- --- --- --- --- --- ---
 e |  F |  |  |  |  |  |  |  |
  --- --- --- --- --- --- --- ---
 d |  |  |  |  |  |  F |  |  |
  --- --- --- --- --- --- --- ---
 c |  |  |  |  |  |  |  |  F |
  --- --- --- --- --- --- --- ---
 b |  |  F |  |  |  |  |  |  |
  --- --- --- --- --- --- --- ---
 a |  |  |  |  F |  |  |  |  |
  --- --- --- --- --- --- --- ---