

slowkneenuh Regular user After 5,278+ posts, only credited with 133 Posts 
I enjoy doing Sudoku puzzles and was quite pleased when I found multiple ways of incorporating that puzzle in a magic performance. Although not magic, nor mathematical, it does offer entertainment value as a logic based puzzle initiated by the audience to challenge the magician.
My primary source of information came from articles by Werner Miller and "Philemon Vanderbeck", although there is additional information from a few other sources. It also involved several hours of my time solving multiple variations of puzzles that should surprise an audience. Here are the various puzzles that could be initiated by the audience and solved rapidly (within two minutes or less) by the magician with very little or no memory work: (Note: Grid = 9X9 Square consisting of nine 3X3 Square SubGrids) 1)Participant fills in any SubGrid with random numbers 19. 2)Participant fills in any Row in the Grid with random numbers 19. 3)Participant fills in any Column in the grid with random numbers 19. 4)Participant fills in center of each SubGrid with random numbers 19. 5)Participant picks random numbers 1 to 9 and magician randomly places them throughout Grid. Each variation offers an interesting challenge. In some cases the locations selected by the participant offer an easier solution but none are difficult with some practice. For Sudoku enthusiasts you know how impossible these puzzles would be to solve unless you knew the "trick"' You could consider this effect as an alternative to a Magic Square presentation or as an addition to any mathematical entertainment. I encourage folks to consider this puzzle as part of their offering.
John
"A poor workman always blames his tools" 
bubbles New user The 5th Dimension 84 Posts 
Do you have any videos of your performance of this?
Sounds like a really cool Magic Square alternative, I'll be reading up on Wener Miller now. It looks like he put out a ton of stuff, any recommendations of must reads by him? Thanks! 
slowkneenuh Regular user After 5,278+ posts, only credited with 133 Posts 
There are various sources for the material but here are the main ones I used.
On Lybrary.com Website: "Nine" by Philemon Vanderbeck (Swindle Sudoku) "Sub Rosa 13" by Werner Miller (Swindle Sudoku II and Instant Sudoku) Both offerings have much more than Sukoku variations with many mathematical magic effects. Penguinmagic.com Website: "OneMinute Sudoku" by Stephen Ablett I did not purchase or use Stephen Ablett's method in my research so I can't comment on his method. He does make available a video of his performance.
John
"A poor workman always blames his tools" 
bubbles New user The 5th Dimension 84 Posts 
Thanks!

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