1 <?xml version="1.0" encoding="ISO-8859-1"?>
3 <screensaver name="queens" _label="Queens" gl="yes">
7 <number id="delay" type="slider" arg="-delay %"
8 _label="Frame rate" _low-label="Low" _high-label="High"
9 low="0" high="100000" default="20000"
13 <boolean id="wire" _label="Wireframe" arg-set="-wireframe"/>
14 <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
18 The N-Queens problem: how to place N queens on an NxN chessboard
19 such that no queen can attack a sister?
21 See also the "Endgame" screen saver.
23 http://en.wikipedia.org/wiki/Eight_queens_puzzle
25 Written by Blair Tennessy; 2002.