Anti-King Sudoku by Philip Newman
(This post is part of the Genuinely Approachable Sudoku (GAS) series.)
Today’s GAS is another chess-inspired negative constraint puzzle, Anti-King Sudoku; don’t forget to check diagonal neighbors!
or solve online (using SudokuPad)
Theme: engy engy Revolution
Author/Opus: This is the 100th puzzle from Philip Newman, part of the Genuinely Approachable Sudoku (GAS) team.
Rules: Standard Sudoku rules (insert a number from 1 to 9 into each cell so that no number repeats in any row, column, or bold region). Also, cells sharing a corner cannot contain the same number (as if adding a chess king’s move constraint to each cell).
GAS Time Standards (highlight to view): Two party hats (🎩🥳): 5:30; One party hat (🥳): 11:00. All other solvers earn a 🦕: Queen Quetecsaurus.
Thomas Hits the GAS (highlight to view): 3:02, with SudokuPad replay file shared as a download for now (requires loading via settings menu with improvements expected before people should use this regularly).
Solution: PDF; solving video with explanation to be added later from GAS team.
Note: Follow this link for other less common variations of Sudoku.
Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Daily GAS discussion post on the GMPuzzles Discord. Not a member of the Discord? Click this link for basic access.