| Date | Tournament | Wins | Old Rating | New Rating |
|---|---|---|---|---|
| 2022-11-19 | All Island Open Scrabble Championship 2022 | 12.0 | ||
| 2014-07-06 | National Scrabble Championship 2014 | 0.0 | 500 | |
| 2013-08-11 | 5th Sri Lanka Open International Scrabble Championship | 12.0 | 1090 | 1115 |
| 2013-06-16 | Premier Players Tournament 2013-Leg 3 | 9.0 | 1054 | 1090 |
| 2013-04-07 | Premier Players Tournament 2013-Leg 2 | 8.0 | 1022 | 1054 |
| 2013-02-09 | Premier Players Tournament 2013-Leg 1 | 7.0 | 1025 | 1022 |
| 2012-09-09 | Scrabbler of the Year (SOY) 2012-Leg 4 | 9.0 | 1048 | 1025 |
| 2012-07-07 | Sri Lanka Open Scrabble Championship 2012 | 8.0 | 1046 | 1048 |
| 2011-07-01 | 4th Sri Lanka Open International Scrabble Championship | 11.5 | 1040 | 1046 |
| 2011-05-22 | Scrabbler of the Year (SOY) 2011-Leg 4 | 9.0 | 1058 | 1040 |
| 2011-03-20 | Scrabbler of the Year (SOY) 2011-Leg 3 | 9.0 | 1088 | 1058 |
| 2011-01-23 | Scrabbler of the Year (SOY) 2011-Leg 2 | 9.0 | 1075 | 1088 |
| 2010-08-27 | Sri Lanka Internationl | 13.0 | 1012 | 1075 |
| 2010-06-13 | SOY 3 2010 | 3.0 | 988 | 950 |
| 2010-03-28 | SOY 2 2010 | 7.0 | 1037 | 988 |