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Individual Calculations December 2017 |
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| Samarakkody, Nipun D Thamindu Total change: 14.40 | |   |
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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 |
| 1145 | 1057 | 1.50 | 3 | 0.36 | 40 | 14.40 | |
|  Ranketh, R Janindu | | | 1139 | SRI | 1.00 | 1 | 0.61 | 40 | 24.40 | |  Jayawardena, Sadev Dinuja | | | 1127 | SRI | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Liyanagama, Pasandul | | | 1169 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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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