| Rating change | Rank |
| 1. 03.08.2003 Sri Lanka International Tournament
| | 1749 | N/A |
| 2. 09.01.2004 6th Sri Lanka Club International
| -14 | 1701 | 151st |
| 3. 12.11.2004 Oman Open International
| -18 | 1683 | 161st |
| 4. 05.11.2005 Pre-WSC Challenge
| -6 | 1677 | 158th |
| 5. 11.11.2007 9th World Scrabble Championships
| +130 | 1807 | 128th |
| 6. 18.10.2008 Kuwait International
| 0 | 1807 | 165th |
| 7. 04.12.2009 CAUSEWAY OPEN
| +45 | 1852 | 146th |
| 8. 18.05.2010 Malta Open SCRABBLE Tournament
| +78 | 1930 | 100th |
| 9. 25.06.2010 GST 2010
| +11 | 1941 | 91st |
| 10. 27.08.2010 Sri Lanka Internationl
| -28 | 1913 | 110th |
| 11. 05.12.2010 Causeway Challenge
| -104 | 1809 | 187th |
| 12. 05.01.2011 UK Open
| -49 | 1760 | 223rd |
| 13. 09.05.2011 European Open Scrabble Championship
| +3 | 1763 | 229th |
| 14. 15.05.2011 Malta International Scrabble Open
| -68 | 1695 | 292nd |
| 15. 24.06.2011 Gulf Scrabble Championship
| +73 | 1768 | 223rd |
| 16. 03.07.2011 4th Sri Lanka Open
| +16 | 1784 | 219th |
| 17. 15.10.2011 2011 World Scrabble Championship
| +67 | 1851 | 161st |
| 18. 30.11.2011 CAUSEWAY 2011
| -77 | 1774 | 234th |
| 19. 14.05.2012 4th European Open Scrabble Championship
| -33 | 1741 | 258th |
| 20. 20.05.2012 2012 Malta International Open
| +24 | 1765 | 244th |
| 21. 14.07.2012 22nd Gulf Scrabble Championships
| +10 | 1775 | 236th |
| 22. 16.12.2012 PESTA PULAU PINANG
| -35 | 1740 | 253rd |
| 23. 14.02.2013 Las Vegas, NV First Event
| -17 | 1723 | 267th |
| 24. 15.02.2013 Las Vegas, NV Second Event
| +5 | 1728 | 265th |
| 25. 18.02.2013 Las Vegas, NV Main Event
| -37 | 1691 | 289th |
| 26. 19.02.2013 Las Vegas, NV Final Event
| -2 | 1689 | 290th |
| 27. 01.06.2013 Gulf Scrabble Championship
| +42 | 1731 | 256th |
| 28. 05.07.2013 PENANG INTERNATIONAL
| +96 | 1827 | 183rd |
| 29. 09.07.2013 Evergreens 2013
| -61 | 1766 | 228th |
| 30. 14.07.2013 28th BRAND's Thailand International Crossword Game King's Cup
| -66 | 1700 | 279th |
| 31. 07.12.2013 Scrabble Champions Tournament Main Event (WSC)
| +88 | 1788 | 211th |
| 32. 14.12.2013 World Youth Championship Side Tournament
| -33 | 1755 | 237th |
| 33. 24.08.2014 6th Sri Lanka Open International Scrabble Championship
| +8 | 1763 | 231st |
| 34. 28.08.2014 Seniors World Championship
| -8 | 1755 | 244th |
| 35. 21.11.2014 Scrabble Champions Tournament
| +46 | 1801 | 213th |
| 36. 05.08.2015 North American Champs Collins Division, Reno, NV
| -69 | 1732 | 256th |
| 37. 03.10.2015 24th Gulf Championships, Dubai
| -49 | 1683 | 289th |
| 38. 24.07.2016 Stamford, CT Main Event
| -41 | 1642 | 313th |
| 39. 10.08.2016 North American Scrabble Championship, IN
| -25 | 1617 | 337th |
| 40. 09.07.2017 32nd BRAND's Thailand International Crossword Game Championship
| -81 | 1536 | 415th |
| 41. 25.08.2017 MSI World Scrabble Championship
| -16 | 1520 | 422nd |
| 42. 04.11.2017 WESPAC Warm Up - Dubai
| +25 | 1545 | 458th |
| 43. 11.11.2017 WESPA Championship
| +111 | 1656 | 315th |
| 44. 23.11.2017 WESPA Seniors Championship
| +33 | 1689 | 283rd |
| 45. 28.06.2018 World Seniors Championship and Side Event
| +70 | 1759 | 209th |
| 46. 01.07.2018 Malaysian Open
| -68 | 1691 | 280th |
| 47. 08.08.2018 North American Championship Collins
| -72 | 1619 | 360th |
| 48. 12.08.2018 2018 Niagara Falls International Open
| -30 | 1589 | 405th |
| 49. 26.10.2018 World Scrabble Championship
| -76 | 1513 | 487th |
| 50. 21.01.2019 Crescent City Cup, LA
| +70 | 1583 | 404th |
| 51. 06.05.2019 Scottish International Matchplay Live in Edinburgh
| +19 | 1602 | 375th |
| 52. 09.06.2019 Niagara Falls International Open
| +48 | 1650 | 323rd |
| 53. 23.07.2019 North American Scrabble Championship - Collins Division
| -113 | 1537 | 457th |
