From: Pedro Fortuny Ayuso Date: 2006-12-22T03:40:47+09:00 Subject: Re: Chess960 (#106) ------=_Part_28619_12945708.1166726443327 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline That's what I did in my first solution (+take account on symmetry and only generate half of the solutions), but it does not preserve the so-thought-of "official" numbering scheme. Yes, that is the obvious solution. *Heck* I cannot see if my first solution is posted bc my IP's internet filter filters just my posts. Did I write something obscene? Pedro. On 12/21/06, rik wrote: > > We're currently wondering why none of the published solutions take the > approach of: > > First, place king between b to g, inclusive. > - Place rook on left of king. > - Place rook on right of king. > - Place bishop in empty black sqaure. > - Place bishop in empty white square. > - Fill remaining squares with knights and queen. > > Note that the number of permutations generated there are VASTLY lowered > as compared to the "generate everything, then throw away everything > invalid" approach. > > It also seems to be the common sense approach in my office... > > > (Red rag, have you met Mr Bull?) > > > -- Pedro Fortuny Ayuso C/Capuchinos 14, 1. 47006 Valladolid. SPAIN http://pfortuny.sdf-eu.org ------=_Part_28619_12945708.1166726443327--