| 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
| -23 | 2047 | 13th |
| 8. 11.11.2007 9th World Scrabble Championships
| +43 | 2090 | 7th |
| 9. 13.09.2009 Michael Wise Memorial Tournament Days 2-3
| -7 | 2083 | 18th |
| 10. 29.11.2009 World Scrabble Championship
| +13 | 2096 | 12th |
| 11. 30.11.2009 Causeway Challenge
| -9 | 2087 | 16th |
| 12. 26.09.2010 Toronto 2
| +3 | 2090 | 16th |
| 13. 05.12.2010 Causeway Challenge
| -55 | 2035 | 33rd |
| 14. 09.12.2010 Tournament of Champions
| -43 | 1992 | 54th |
| 15. 06.02.2011 Boston Collins
| -30 | 1962 | 79th |
| 16. 05.09.2011 Burlington Collins
| +35 | 1997 | 55th |
| 17. 15.10.2011 2011 World Scrabble Championship
| -13 | 1984 | 62nd |
| 18. 15.04.2012 BAT COLLINS
| -9 | 1975 | 71st |
| 19. 27.05.2012 Montreal Collins
| -19 | 1956 | 84th |
| 20. 02.07.2012 Albany, NY
| -26 | 1930 | 98th |
| 21. 15.08.2012 Collins Division, US National Championship
| -3 | 1927 | 99th |
| 22. 01.01.2013 Albany (Colonie), NY Collins
| -31 | 1896 | 109th |
| 23. 24.02.2013 Saratoga Springs, NY
| +46 | 1942 | 87th |
| 24. 14.04.2013 Boston Area Main Event
| -4 | 1938 | 89th |
| 25. 24.07.2013 National SCRABBLE Championship
| -5 | 1933 | 88th |
| 26. 20.10.2013 Lake George, NY Collins
| +66 | 1999 | 58th |
| 27. 07.12.2013 Scrabble Champions Tournament Main Event (WSC)
| -19 | 1980 | 59th |
| 28. 13.08.2014 US Nationals CSW Division (Buffalo)
| +32 | 2012 | 41st |
| 29. 21.11.2014 Scrabble Champions Tournament
| -24 | 1988 | 54th |
| 30. 03.05.2015 Scrabble at the Falls, ON
| +26 | 2014 | 40th |
| 31. 05.08.2015 North American Champs Collins Division, Reno, NV
| -8 | 2006 | 40th |
| 32. 30.08.2015 Can-Am Scrabble Challenge
| -5 | 2001 | 43rd |
| 33. 18.10.2015 Lake George, NY Collins
| +37 | 2038 | 30th |
| 34. 01.05.2016 The Niagara Falls Open, Ontario
| +2 | 2040 | 26th |
| 35. 05.06.2016 Pittsburgh, PA
| -28 | 2012 | 39th |
| 36. 10.08.2016 North American Scrabble Championship, IN
| -22 | 1990 | 50th |
| 37. 02.09.2016 MSI WSC Lille
| +36 | 2026 | 31st |
| 38. 16.10.2016 Lake George NY Collins Main Event
| +3 | 2029 | 30th |
| 39. 22.05.2017 Niagara Falls International Open
| +22 | 2051 | 23rd |
| 40. 26.07.2017 North American Championship Collins
| -50 | 2001 | 40th |
| 41. 25.08.2017 MSI World Scrabble Championship
| -78 | 1923 | 68th |
| 42. 08.08.2018 North American Championship Collins
| -27 | 1896 | 83rd |
| 43. 12.08.2018 2018 Niagara Falls International Open
| -6 | 1890 | 87th |
| 44. 26.10.2018 World Scrabble Championship
| -61 | 1829 | 135th |
| 45. 27.10.2018 World Scrabble Championship Final Fling
| +16 | 1845 | 121st |
