| Rating change | Rank |
| 1. 06.11.1999 5th World Championships
| | 2026 | N/A |
| 2. 16.12.2001 6th World Championships
| +22 | 2048 | N/A |
| 3. 23.10.2003 7th World Championships
| -49 | 1999 | N/A |
| 4. 19.11.2005 8th World Championships
| +36 | 2035 | 18th |
| 5. 16.11.2008 World Players Championship
| +16 | 2051 | 22nd |
| 6. 14.04.2009 West Coast World Championship Word List Challenge
| +19 | 2070 | 18th |
| 7. 29.11.2009 World Scrabble Championship
| +43 | 2113 | 8th |
| 8. 15.02.2010 Phoenix
| -17 | 2096 | 15th |
| 9. 20.03.2010 West Coast World Championship Wordlist Challenge
| -1 | 2095 | 15th |
| 10. 11.09.2010 Portland
| -1 | 2094 | 13th |
| 11. 17.10.2010 Portland
| -2 | 2092 | 11th |
| 12. 05.12.2010 Causeway Challenge
| +39 | 2131 | 10th |
| 13. 27.03.2011 West Coast World Championship Wordlist Challenge
| +23 | 2154 | 7th |
| 14. 15.10.2011 2011 World Scrabble Championship
| +14 | 2168 | 3rd |
| 15. 16.01.2012 Crescent Cup New Orleans
| +1 | 2169 | 5th |
| 16. 20.02.2012 Las Vegas NV
| -50 | 2119 | 14th |
| 17. 06.05.2012 Oregon Tile Collins
| -5 | 2114 | 15th |
| 18. 02.12.2012 Malibu, CA
| -6 | 2108 | 16th |
| 19. 21.01.2013 New Orleans, LA Collins
| -19 | 2089 | 18th |
| 20. 18.02.2013 Las Vegas, NV Main Event
| +14 | 2103 | 18th |
| 21. 07.12.2013 Scrabble Champions Tournament Main Event (WSC)
| +55 | 2158 | 6th |
| 22. 08.12.2013 2013 Scrabble Champions Tournament Semifinals
| -11 | 2147 | 6th |
| 23. 13.08.2014 US Nationals CSW Division (Buffalo)
| -21 | 2126 | 10th |
| 24. 21.11.2014 Scrabble Champions Tournament
| +18 | 2144 | 7th |
| 25. 22.11.2014 SCT Quarter-finals
| +11 | 2155 | 7th |
| 26. 22.11.2014 SCT Semi-finals
| -6 | 2149 | 7th |
| 27. 19.01.2015 Crescent City Cup, New Orleans
| +11 | 2160 | 7th |
| 28. 05.08.2015 North American Champs Collins Division, Reno, NV
| +15 | 2175 | 5th |
| 29. 30.08.2015 Can-Am Scrabble Challenge
| +17 | 2192 | 2nd |
| 30. 07.11.2015 WESPAC - Perth
| +11 | 2203 | 2nd |
| 31. 08.11.2015 WESPAC Sunday Open
| -8 | 2195 | 2nd |
| 32. 18.01.2016 Crescent City Cup, LA
| -15 | 2180 | 2nd |
| 33. 07.02.2016 City of Cape Town International
| -12 | 2168 | 5th |
| 34. 02.09.2016 MSI WSC Lille
| -38 | 2130 | 7th |
| 35. 03.09.2016 MSI Saturday Open, Lille
| -15 | 2115 | 10th |
| 36. 23.10.2016 Twin Cities Collins Open, MN
| -9 | 2106 | 9th |
| 37. 29.11.2016 Causeway Warmup Day 2
| -5 | 2101 | 10th |
| 38. 04.12.2016 Causeway Challenge
| -37 | 2064 | 17th |
| 39. 16.01.2017 CrescentCityCup
| +8 | 2072 | 16th |
| 40. 22.05.2017 Niagara Falls International Open
| +71 | 2143 | 5th |
| 41. 26.07.2017 North American Championship Collins
| -13 | 2130 | 7th |
| 42. 11.11.2017 WESPA Championship
| -27 | 2103 | 11th |
| 43. 12.11.2017 Nairobi International Open
| -22 | 2081 | 18th |
| 44. 10.12.2017 California Open
| +29 | 2110 | 11th |
| 45. 15.01.2018 Crescent City Cup
| +28 | 2138 | 8th |
| 46. 08.08.2018 North American Championship Collins
| -10 | 2128 | 8th |
| 47. 12.08.2018 2018 Niagara Falls International Open
| +4 | 2132 | 7th |
| 48. 07.10.2018 Saint Louis Park, MN
| +8 | 2140 | 7th |
| 49. 09.12.2018 Alchemist Cup
| -17 | 2123 | 8th |
| 50. 21.01.2019 Crescent City Cup, LA
| -40 | 2083 | 13th |
| 51. 09.06.2019 Niagara Falls International Open
| +11 | 2094 | 10th |
| 52. 23.07.2019 North American Scrabble Championship - Collins Division
| -57 | 2037 | 21st |
| 53. 19.10.2019 WESPAC Goa Championship
| +1 | 2038 | 19th |
| 54. 22.11.2019 World Scrabble Championship
| -45 | 1993 | 31st |
| 55. 23.11.2019 World Scrabble Championships Quarter Finals
| -12 | 1981 | 36th |
