1999 U. S. Puzzle Championship (3 puzzles)	2000 U. S. Puzzle Championship (13 puzzles)
2000 World Puzzle Championship (18 puzzles)	2001 U. S. Puzzle Championship (3 puzzles)
2002 U. S. Championship (5 puzzles)	2003 U. S. Puzzle Championship (3 puzzles)
2004 U. S. Championship (4 puzzles)	2005 U. S. Puzzle Championship (4 puzzles)
2006 U. S. Championship (5 puzzles)	2007 U. S. Puzzle Championship (1 puzzle)
2008 U. S. Championship (2 puzzles)