Why Some Peg Solitaire Puzzles Are Unsolvable
A colouring trick shows why some peg solitaire puzzles can never end with one peg, and what research found about symmetric and unique-solution boards.
Riddle10 blog
Riddle10 blog
A colouring trick shows why some peg solitaire puzzles can never end with one peg, and what research found about symmetric and unique-solution boards.