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Individual Calculations May 2012 |
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| Kuruppu, Supun Dasantha Total change: 37.50 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Colombo | Colombo | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1598 | 4.00 | 6 | 2.29 | 15 | 34.35 | |
|  Alahakoon, T N | | | 1871 | SRI | 1.00 | 1 | 0.83 | 15 | 12.45 | | | Gunasinghe, W A T S | | | 1909 | SRI | 0.50 | 1 | 0.36 | 15 | 5.40 | |  Fernando, J M M P | | | 1853 | SRI | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Liyanapathirana, Kasun | | | 1886 | SRI | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Punchihewa, Kokila Prageeth | | | 1422 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Uyanhewage, T K | | | 1735 | SRI | 1.00 | 1 | 0.68 | 15 | 10.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Sri Lanka National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1606 | 1.50 | 7 | -0.10 | 15 | -1.50 | |
| | Priyankara, Chamil | | | 1892 | SRI | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Deshapriya, Sr | | | 1802 | SRI | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Thiyanga, Kaveen | | | 1751 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Bandara, Ajsd | | | 1794 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Fernando, Jmmp | | | 1858 | SRI | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Liyanapathirana, Kasun | | | 1817 | SRI | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Bandara, Dhanushka | | | 1849 | SRI | 0.50 | 1 | 0.30 | 15 | 4.50 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | National Youth Chess Championship 2012 Under 14 Open | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1465 | 1606 | 1.00 | 1 | 0.31 | 15 | 4.65 | |
| | Kalansooriya, C S | | | 1465 | SRI | 1.00 | 1 | 0.31 | 15 | 4.65 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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