SudokuPower

-- ++

SudokuPower is your online sudoku resource.

Quick Help

Solve puzzles by completing the grid so that all rows, columns and boxes contain the digits 1 to 9.

Site links

Beginners Guide
Hints/Tactics
News
Help
Linkspage

External links

Play Online Chess
Sudoku at Wikipedia

Info text

To solve a sudoku
puzzle:
- Click an empty cell
- Enter a number
Until the grid is complete.

The 'Level selector' is applied at clicking 'New puzzle'

Enter a ? (question mark) in a cell, to show/reveal the value for that specific cell.

Click 'Verify' to highligh incorrectly entered cells.

Use 'Save puzzle' and 'Load puzzle' to save a puzzle in its current state and continue solving it at a later time.
Please login to save and load your puzzles. You can save max. 15 puzzles. After that your oldest puzzle is deleted from your savelist.


SudokuPower is provided 'as is', without warranty of any kind.

Visits : 5957
Puzzles started : 3876

Wikipedia for sudoku

Solver method(s).
Required sudoku tactics for solving selected puzzle-level.

	Apply basic constraints.
	Find hidden singles.
	Find candidates in row or column that intersect with subsquare.
	Find hidden sets (e.g. double, triple) up to sets of 5.
	Find naked sets (e.g. double, triple) up to sets of 5.
	Find candidates in subsquare that intersect with row or column.
	Find x-wing, swordfish, jelly-fish or squirmbag.
	Find nishio
	Find forced chains.
	Guessing and backtracking.