| Rating change | Rank |
| 1. 31.08.1993 2nd World Championships
| +133 | 2033 | N/A |
| 2. 31.10.1995 3rd World Championships
| -30 | 2003 | N/A |
| 3. 27.11.1997 4th World Championships
| -9 | 2006 | N/A |
| 4. 06.11.1999 5th World Championships
| +55 | 2065 | N/A |
| 5. 16.12.2001 6th World Championships
| +23 | 2088 | N/A |
| 6. 23.10.2003 7th World Championships
| -18 | 2070 | N/A |
| 7. 19.11.2005 8th World Championships
|
| 8. 11.11.2007 9th World Scrabble Championships
|
| 9. 13.09.2009 Michael Wise Memorial Tournament Days 2-3
|
| 10. 29.11.2009 World Scrabble Championship
|
| 11. 30.11.2009 Causeway Challenge
|
| 12. 26.09.2010 Toronto 2
|
| 13. 05.12.2010 Causeway Challenge
|
| 14. 09.12.2010 Tournament of Champions
|
| 15. 06.02.2011 Boston Collins
|
| 16. 05.09.2011 Burlington Collins
|
| 17. 15.10.2011 2011 World Scrabble Championship
|
| 18. 15.04.2012 BAT COLLINS
|
| 19. 27.05.2012 Montreal Collins
|
| 20. 02.07.2012 Albany, NY
|
| 21. 15.08.2012 Collins Division, US National Championship
|
| 22. 01.01.2013 Albany (Colonie), NY Collins
|
| 23. 24.02.2013 Saratoga Springs, NY
|
| 24. 14.04.2013 Boston Area Main Event
|
| 25. 24.07.2013 National SCRABBLE Championship
|
| 26. 20.10.2013 Lake George, NY Collins
|
| 27. 07.12.2013 Scrabble Champions Tournament Main Event (WSC)
|
| 28. 13.08.2014 US Nationals CSW Division (Buffalo)
|
| 29. 21.11.2014 Scrabble Champions Tournament
|
| 30. 03.05.2015 Scrabble at the Falls, ON
|
| 31. 05.08.2015 North American Champs Collins Division, Reno, NV
|
| 32. 30.08.2015 Can-Am Scrabble Challenge
|
| 33. 18.10.2015 Lake George, NY Collins
|
| 34. 01.05.2016 The Niagara Falls Open, Ontario
|
| 35. 05.06.2016 Pittsburgh, PA
|
| 36. 10.08.2016 North American Scrabble Championship, IN
|
| 37. 02.09.2016 MSI WSC Lille
|
| 38. 16.10.2016 Lake George NY Collins Main Event
|
| 39. 22.05.2017 Niagara Falls International Open
|
| 40. 26.07.2017 North American Championship Collins
|
| 41. 25.08.2017 MSI World Scrabble Championship
|
| 42. 08.08.2018 North American Championship Collins
|
| 43. 12.08.2018 2018 Niagara Falls International Open
|
| 44. 26.10.2018 World Scrabble Championship
|
| 45. 27.10.2018 World Scrabble Championship Final Fling
|
