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Individual Calculations May 2011 |
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| Rathnayake, Nuwan Anurada Total change: 11.50 | |   |
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| Sri Lanka National Youth Under 16 Chess Championship 2011 | Colombo | SRI | 2011-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1825 | 1634 | 1.50 | 4 | 0.46 | 25 | 11.50 | |
|  Ariyawansa, K A P M | | | 1909 | SRI | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Lamahewa, C | | | 1867 | SRI | 1.00 | 1 | 0.79 | 25 | 19.75 | |  Ranasinghe, C N | | | 1755 | SRI | 0.50 | 1 | 0.16 | 25 | 4.00 | | | Doluweera, Dinul Thisura | | | 1767 | SRI | 0.00 | 1 | -0.32 | 25 | -8.00 | |
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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