The Journal of Chemical Education is publishing an article called “Chemistry of Art and Color Sudoku Puzzles” by Michael J. Two Color Sudoku Sites that I noticed are a Color Sudoku Journal Article and a Color Sudoku Solver in MS Excel. I especially like the puzzle called Paint It Black, which is a blend of a Sudoku Puzzle and a Paint By Numbers Puzzle. There are new kinds of puzzles depicted, which are different from those in 2006. In the livejournal community called worldpuzzle, there are many details about the upcoming World Championship including instructions (a downloadable pdf file). Grayson Holmes (placed 50th in 1st World Sudoku Championship March 2006),. Sudoku Team Members for the 2007 World Sudoku Championship. I’m slowing catching up on the news: On February 3, 2007, The World Puzzle Championship announced the U.S. (5) David Ireland’s Number Sudoku Solver (Excel Based) (3) AT&T Research Command line: A 9 x 9 Sudoku Solver And Generator And Starting Number analysis (2) Excel based Sudoku-xls Generator, Workpad and Solver by Peter Mladek (1) Excel based Sudoku all in one Generator and Solver by Hari Kumar The trick is to find Sudoku Solvers where you get to input the starting numbers. There are also Sudoku Solver Sites, many of which have user interfaces so that *their* puzzle may be solved by you online. One category are Sudoku Puzzle Generators where they produce the starting numbers and you solve. There are many programmatic aids in solving sudoku puzzles on the internet, both web based and downloadable applications. This means that your starting numbers are “ambiguous”. If you keep removing more than 53 numbers (in this case), your ultimate solution may have multiple answers. If you erase just enough numbers, (in this case 53 of them), you may either have a uniquely solvable puzzle with a single solution or you may have one with more than one solution. If you don’t erase enough numbers, the puzzle may be easily solved. Then try to solve the puzzle that is presented. In this Cartoon variant, We start with a Sudoku solved puzzle and proceed to erase numbers until we have an incomplete or starting puzzle (depending on when you stop erasing). Since there are so many ways you can fail to solve a puzzle, this didn’t seem to challenging □ In this spirit, I thaought about what it might mean for Sudoku puzzle solving. For example, in Chess, if the object is to now be the first player to lose all pieces except the king, and a capture is forced if it is available to be played, this yeilds a variant, called Losing Chess that even novice players can excel at.Īnother game is called Losing Checkers where you play Checkers according to normal rules (forced to capture if the opportunity arises) but the Loser wins. Like most interesting games, when turning them around by redefining what loses is now what wins, a fascinating variant can be played.
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