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Individual Calculations May 2011 |
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| Obeysekara, T A Sajith Chathura Total change: 3.50 | |   |
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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 |
| 1699 | 1639 | 1.00 | 2 | 0.14 | 25 | 3.50 | |
|  Lamawansa, Yasas | | | 1886 | SRI | 0.00 | 1 | -0.19 | 25 | -4.75 | |  Malawara Arachchi, Devin Akila | | | 1511 | SRI | 1.00 | 1 | 0.33 | 25 | 8.25 | |
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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