Roderick Grafton
| International Master |
|---|
| Sudoko and KenKen Olympiad Championship |
| Gold: 2, Silver: 1, Bronze: 0 |
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| Kenken & Other Puzzles: Gold (2019) |
| Sudoko and KenKen Olympiad Championship: Silver (2012) |
| Sudoku and Ken Ken Olympiad Championship: Gold (2011) |
| Code | Name | Partner | Medal | Junior Medal | Rank | Pentamind |
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