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Individual Calculations February 2019 |
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| Sandaruwan, M G Ravindu Total change: 2.40 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1250 | 1487 | 5.50 | 7 | 0.06 | 40 | 2.40 | |
|  Perera, Sehath Sanvidu R A D | | | 1104 | SRI | 0.00 | 1 | -0.91 | 40 | -36.40 | | | Yethmin, W J Methum | | | 1087 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Akmeemana, I U | | | 1157 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Tishor, S | | | 1269 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Samaraweera, Dimuth Indeepa | | | 1437 | SRI | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Wiratunga, Jenith | | | 1349 | ENG | 1.00 | 1 | 0.31 | 40 | 12.40 | | | De Silva, R B V Nimsara | | | 1345 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | * 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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