There is only one possible candidate for a cell a hidden single arises when This situation can arise for one of two reasons. When a candidate k is possible in only a single cell ofĪ row, column, or block, then that cell must be k. Hypothesis and proof and a sort of depth.Īll of these techniques are based on identifying all the possible "candidates" for a cell (indicated by marks)Īnd then eliminating them one by one until only one possibility remains in a given cell.Ĭross-Hatch Scanning (looking for singles) When all that fails, the Sudoku Assistant resorts to Almost-locked set analysis can be extended to grids, where itĪnd also to what I am calling almost-locked ranges. What I'm calling 3D Medusa analysis, includingĪnalysis. 4X4™ are available just in time for the holiday season.The Sudoku Assistant uses several techniques to solve a Sudoku puzzle:
Along with ThinkFun’s complete line of distinctive mind-challenging games, Rush Hour® Deluxe Edition and Sudoku Jr. 4X4™ are no exception, proudly joining the Marvel™ Heroes and Sudoku 5X5™ products launched earlier this year. ThinkFun is always creating ground-breaking games that keep kids energized and engaged. 4X4™ can be purchased at select independent toy and gift stores, select national retailers and Ages 5 to 7 MSRP: $9.99 4X4™ includes 48 kid-friendly challenges with solutions and 16 oversized, brightly colored tokens made specifically for a younger audience.įeaturing a magnetic game board and tokens for easy travel, this compact mind-challenging game allows kids to pick the right numbers for success. For an added twist, ThinkFun has created shorter challenges and color-coded regions that help kids become familiar with Sudoku play. The game play is similar to classic Sudoku the object is to fill the grid with numbered tokens, but each row and column can only contain one instance of each number. Now ThinkFun has created a unique version designed especially for younger Sudoku fans. This ever-popular game of logic and reasoning has become a worldwide favorite. Rush Hour® Deluxe Edition can be purchased at select independent toy and gift stores, select national retailers and Ages: 8 and Up MSRP: $19.99 Start your engines for ThinkFun’s most extreme Rush Hour® adventure, designed to keep beginners and experts coming back for more. Complete with a modern design, bright metallic cars and a collector’s gift box for easy travel, Rush Hour® Deluxe Edition is the perfect holiday gift for kids who are ready to test their skills behind the wheel. But Rush Hour® Deluxe Edition has been revved up for maximum performance, featuring 60 of ThinkFun’s best challenges and five levels of play. Just like the traditional game, the object is to put your problem-solving skills in gear to help the red car escape the traffic jam. In honor of Rush Hour’s 10 years of success, ThinkFun is celebrating with a Deluxe Edition that is guaranteed to delight seasoned Rush Hour® fans and newcomers alike. will delight consumers this holiday season.”Ī winner of 20 awards, Rush Hour® continues to be one of ThinkFun’s most popular and renowned mind-challenging games. I am confident that Rush Hour Deluxe and Sudoku Jr. “This fall we’re enhancing two of our most popular mind-challenging games, incorporating modern designs and new challenges that will allow kids of all different ages to enjoy ThinkFun games. “We’re always looking for innovative games that will add to ThinkFun’s robust product line” said Ralph Cuomo, President and COO of ThinkFun.
4X4™ to its award winning product line in September 2006. ThinkFun, Inc., a leading creator of mind-challenging games, will introduce Rush Hour® Deluxe Edition and Sudoku Jr.
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