The term 'Sudoku Solver's Skill' can be summarized as the ability to use LOGIC to solve Sudoku puzzles. Sudoku is a number-placement puzzle game that requires players to fill in the empty cells of a 9x9 grid with numbers from 1 to 9, such that each row, column, and 3x3 sub-grid contains all of the digits from 1 to 9. The challenge of the game lies in the fact that no number can be repeated in any row, column, or 3x3 sub-grid. To solve a Sudoku puzzle, one must use logical reasoning and deduction to determine which numbers should go in each cell. This requires a great deal of skill and practice, and those who are able to solve Sudoku puzzles quickly and accurately are said to have mastered the 'Sudoku Solver's Skill'.