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Individual Calculations December 2017 |
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| Bandara, W M Nadil Dulshen Total change: 18.40 | |   |
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| Colombo District Youth Chess Championship 2017 Under 13 Boys (2004-2005) | Colombo | SRI | 2017-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1081 | 1181 | 3.00 | 4 | 0.46 | 40 | 18.40 | |
|  Jayasundaram, Gobinesh | | | 1001 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Siddharth, Jha | | | 1094 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Sethiya , A Vinuga | | | 1116 | SRI | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Vidushan, Vakeesan | | | 1114 | SRI | 0.50 | 1 | -0.09 | 40 | -3.60 | |
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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