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Individual Calculations February 2018 |
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| Samarakoon, Hevidu Total change: -81.60 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1173 | 1499 | 4.00 | 7 | -2.04 | 40 | -81.60 | |
|  Weerasekara, Danuja Sanjula | | | 1099 * | SRI | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Pelagewatta, H Prabashwara | | | 1145 | SRI | 0.50 | 1 | -0.39 | 40 | -15.60 | |  Yasanjith, M H Dinura | | | 1131 | SRI | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Amarasinghe, K K H Kevinda | | | 1099 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Nivaethan, R | | | 1319 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Perera, D G D Y Adeekshana | | | 1297 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Rathnayake, Sandun Kavisha | | | 1124 | SRI | 0.50 | 1 | -0.41 | 40 | -16.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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