http://games.groups.yahoo.com/group/toughpuzzles/ Tough Puzzles Sun, 16 Aug 2009 00:41:22 GMT Nick Deller http://games.groups.yahoo.com/group/toughpuzzles/message/723 http://games.groups.yahoo.com/group/toughpuzzles/message/723 Hi Sue, The 2008 championships had a similar magazine in download-only format (not under my stewardship, this time!), which is available from puzzler.com (open Sat, 15 Aug 2009 12:03:25 GMT Sue http://games.groups.yahoo.com/group/toughpuzzles/message/722 http://games.groups.yahoo.com/group/toughpuzzles/message/722 What excellent value for money - I have just completed the final puzzle from the 2006 World Sudoku championships. This was an excellent book, edited by Nick Fri, 31 Jul 2009 04:13:57 GMT Jeff Loeb http://games.groups.yahoo.com/group/toughpuzzles/message/721 http://games.groups.yahoo.com/group/toughpuzzles/message/721 MOOT . -moot point Sun, 26 Jul 2009 23:41:33 GMT jeff loeb http://games.groups.yahoo.com/group/toughpuzzles/message/720 http://games.groups.yahoo.com/group/toughpuzzles/message/720 http://www.chiark.greenend.org.uk/~sgtatham [Non-text portions of this message have been removed] Fri, 24 Jul 2009 18:09:14 GMT jeff loeb http://games.groups.yahoo.com/group/toughpuzzles/message/719 http://games.groups.yahoo.com/group/toughpuzzles/message/719 Kindly delete the message that is attributed to me. I have not setup Facebook photos,   Jeff [Non-text portions of this message have been removed] Sun, 19 Jul 2009 03:15:25 GMT jeff loeb http://games.groups.yahoo.com/group/toughpuzzles/message/717 http://games.groups.yahoo.com/group/toughpuzzles/message/717 MOOT . [Non-text portions of this message have been removed] Sun, 12 Jul 2009 20:10:39 GMT jeff loeb http://games.groups.yahoo.com/group/toughpuzzles/message/716 http://games.groups.yahoo.com/group/toughpuzzles/message/716 1. Use google.com or webcrawler.com or ask.com (or some search engine)   2. Plug in mathematical and logical puzzles as a search term [Non-text portions of Tue, 19 May 2009 19:19:32 GMT Josie Faulkner http://games.groups.yahoo.com/group/toughpuzzles/message/715 http://games.groups.yahoo.com/group/toughpuzzles/message/715 Hi everybody,   Sorry, but a spam email purportedly from me has been sent to all my contacts in my Yahoo mail box. It is titled Re: Hi and it recommends a Tue, 19 May 2009 18:53:28 GMT Josie Faulkner http://games.groups.yahoo.com/group/toughpuzzles/message/714 http://games.groups.yahoo.com/group/toughpuzzles/message/714 Hi Friend, [Non-text portions of this message have been removed] Wed, 25 Mar 2009 11:37:22 GMT puzzlegon http://games.groups.yahoo.com/group/toughpuzzles/message/713 http://games.groups.yahoo.com/group/toughpuzzles/message/713 Hi, I am new to the group. I would like to invite you to check out my puzzle (arrange color blocks to form patterns). This is a zip file containing a folder Mon, 02 Mar 2009 13:08:08 GMT Alan O'Donnell http://games.groups.yahoo.com/group/toughpuzzles/message/712 http://games.groups.yahoo.com/group/toughpuzzles/message/712 ...which converges very quickly to sqrt(2) ! Fri, 19 Dec 2008 23:41:41 GMT Peter http://games.groups.yahoo.com/group/toughpuzzles/message/711 http://games.groups.yahoo.com/group/toughpuzzles/message/711 Hi everyone. You should check out the Christmas selection of puzzles at http://www.Sudoku-xls.com & http://www.SudokuTanto.net. The puzzles all have a Sat, 13 Dec 2008 04:19:52 GMT jeff loeb http://games.groups.yahoo.com/group/toughpuzzles/message/710 http://games.groups.yahoo.com/group/toughpuzzles/message/710     Bets has come up with the following sequence: 1/1, 3/2, 7/5, 17/12, 41/29,... Can you tell us what the next fraction in the above sequence is?     if Wed, 03 Dec 2008 12:59:04 GMT dr murali v.r. http://games.groups.yahoo.com/group/toughpuzzles/message/709 http://games.groups.yahoo.com/group/toughpuzzles/message/709 Dear Jeff,  the sequence is determined by the recurrence relation next term = twice the last term + one before that x(n+1)=2*x(n)+x(n-1) The numerators are Wed, 03 Dec 2008 11:04:26 GMT Brandel D. Falk http://games.groups.yahoo.com/group/toughpuzzles/message/708 http://games.groups.yahoo.com/group/toughpuzzles/message/708 ... 99/70, 239/169... Brandel in Jerusalem /^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\/^\ They'll take your soul if you let them Oh