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Individual Calculations February 2018 |
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| Perera, D Upashan L Total change: 49.20 | |   |
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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 |
| 1584 | 1545 | 5.00 | 8 | 1.23 | 40 | 49.20 | |
|  Wanasinghe, P G Dihan Hansaja | | | 1145 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Afrith, T M | | | 1208 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Sahasra, A P Sasindu | | | 1328 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Ilampoornan, Raguparan | | | 1860 | SRI | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Liyanage, Ranindu Dilshan | c | | 1945 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Thilakarathne, G M H | c | | 1945 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Senevirathne, H Dulith Taruka | | | 1295 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Nanayakkara, J A K Saranath | f | | 1945 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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