All time record: Roderick Grafton England

Titles:

International Master

  • Sudoko and KenKen Olympiad Championship

Medals:

Gold: 2, Silver: 1, Bronze: 0

  • Kenken & Other Puzzles: Gold (2019)
  • Sudoko and KenKen Olympiad Championship: Silver (2012)
  • Sudoku and Ken Ken Olympiad Championship: Gold (2011)