## 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 on## IG - Initial SudokuYou use this method to initiate the solution table## SiSo - Single SolutionYou use this method to reduce obvious solutions## SC - Single CellReducing where a cell is the only one containing a number## SB - Single BoxReducing where a box is the only one which can contain a number## DS - Disjoint SubsetReducing where x cells has x possible solutions which are the same## DC - Disjoint ChainrReducing where x cells has x possible soliutions divided by themThese can be hard to do on paper ## XW - X-Wing## SF - Swordfish## JF - Jellyfish## SqB - Squirmbag## NS - Nishio## BB - Bowman Bingo |