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Individual Calculations May 2011 |
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| Doluweera, Dinul Thisura Total change: -17.40 | |   |
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| Sri Lanka Open International Rating Tournament 2011 | Colombo | SRI | 2011-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1767 | 0.50 | 4 | -0.86 | 15 | -12.90 | |
|  Tennakoon, I L K | | | 1959 | SRI | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Gunasinghe, W A T S | | | 1815 | SRI | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Kuruwitage, Yasas Kalana | | | 1925 | SRI | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Senanayake, P R | | wf | 1847 | SRI | 0.50 | 1 | 0.11 | 15 | 1.65 | |
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) | | | | Sri Lanka National Youth Under 16 Chess Championship 2011 | Colombo | SRI | 2011-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1767 | 1.50 | 3 | -0.30 | 15 | -4.50 | |
| | Ariyawansa, K A P M | | | 1909 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Malawara Arachchi, Devin Akila | | | 1511 | SRI | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Rathnayake, Nuwan Anurada | | | 1634 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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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