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# Tough Sudoku for 23/September/2016

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Submitted by: Gath

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 1. Note e48=34;hi2=59.Unique possibilities to 32.2. f3=27 or else 59 Unresolvable Rectangle @ ef37.UP81. 23/Sep/16 12:23 AM Hi Alfred,Everything is told.So, talking without saying anything, here is another path:UP 34, kite (7)d4=b4-a6=a3 =>-7d3 UP 81 Alfred, UP 34 because after you get UP 32, note:hidden pairs bc2=36, g12=27, hi1=14, hi2=59, f2=27locked (5)@b89 =>-5b1 (a1=5)locked (3)@de8 =>-3g8locked (9)@ef3 =>-9a3 (a4=9)Best regards, cenoman 23/Sep/16 1:29 AM Kate for the pretty flower bud. 23/Sep/16 4:45 AM #27 159@def7=>i7e8<>159 #28 34@e48=>e6<>3 #33 2@g12=>h2<>2 59@hi2=>f2<>5959@def3=>a3<>59 27@a36=>a148<>27 #35 7?@b4=>ad3=7=>b4<>7VHBC to #81V:Only cell left in Vertical column for this More... 23/Sep/16 5:25 AM Hi Cenoman.Are u a Politician? They talk without saying anything. I agree UP 34.I don't understand why 'kite (7)d4=b4-a6=a3 =>-7d3' isn't also considered to be a UP? Which would mean UP 81 applies to this puzzle.Cheers Les 23/Sep/16 5:39 AM Hi cenoman.Thanks for the explanation.And Les, what cenoman means by 'everything is told', is 'UP81'. 23/Sep/16 6:22 AM Hi Les,I wish I were a politician. They talk without saying anything, but they are paid for that. I do it for free...As regards the inclusion of the kite within the UP 81 of the puzzle, we might as well start a discussion on the gender of angels.Some, as JC Van Hay on this site include More... 23/Sep/16 7:15 AM Thanks Cenoman.I agree a 'kite' should not be considered a Standard Technique but I am proposing it could be considered a Unique Possibility(UP). Is there a definition of an UP?Cheers Les. 23/Sep/16 10:20 AM Les,I become aware of my confusion. In my mind UP is nothing else than the 'up' preposition. Maybe should I not write it in capital. Otherwise, I don't know an 'official' definition of an Unique Possibility. There is no code nor standard for sudoku, only usage and consensus of players. As More... 23/Sep/16 11:11 PM Hi Cenoman,I suspect there isn't a right guy to resolve our confusion. But now I am in a position to better comprehend your post in future.Thanks Les 24/Sep/16 7:01 AM