Irregular Killer Sudoku — Knight Features

The normal rules of Killer Sudoku apply, except, the usual 3x3 blocks have been replaced by irregularly shaped, coloured blocks (which must contain all the digits from 1-9).

Killer Sudoku Rules - How to play Killer Sudoku

Issue 1520 by Redbrick - Issuu

Killer Sudoku Tips and Strategies

Para's Puzzle Site: May 2013

Killer sudoku 824, Life and style

Killer Sudoku Rules - How to play Killer Sudoku

How to Solve Anti-Knight Sudoku Puzzles

Corresponding to case 2 shading: (a) TCT shading pattern, (b) shading

Indian qualifiers still open for Sudoku & Puzzle World Championships

Daily Killer Sudoku

Anti-Knight Killer Sudoku — Rätselportal — Logic Masters Deutschland

Indian qualifiers still open for Sudoku & Puzzle World Championships