Reducing methodsWhen you use a solution table to solve a sudoku you have several methods you can use to reducing the table. I suggest you read conventions before you read onIG - Initial SudokuYou use this method to initiate the solution tableSiSo - Single SolutionYou use this method to reduce obvious solutionsSC - Single CellReducing where a cell is the only one containing a numberSB - Single BoxReducing where a box is the only one which can contain a numberDS - Disjoint SubsetReducing where x cells has x possible solutions which are the sameDC - Disjoint ChainrReducing where x cells has x possible soliutions divided by themThese can be hard to do on paper XW - X-WingSF - SwordfishJF - JellyfishSqB - SquirmbagNS - NishioBB - Bowman Bingo |