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Individual Calculations May 2011 |
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| Malawara Arachchi, Devin Akila 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 |
| 1759 | 1511 | 1.50 | 5 | 0.46 | 25 | 11.50 | |
|  Perera, A K N A | | | 1661 | SRI | 1.00 | 1 | 0.70 | 25 | 17.50 | |  Kumara, C M S P | | | 1829 | SRI | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Subasinghe, K R V R | | | 1901 | SRI | 0.00 | 1 | -0.09 | 25 | -2.25 | | | Doluweera, Dinul Thisura | | | 1767 | SRI | 0.50 | 1 | 0.31 | 25 | 7.75 | | | Obeysekara, T A Sajith Chathura | | | 1639 | SRI | 0.00 | 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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