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Individual Calculations February 2020 |
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| Perera, M S Anuk Total change: -4.80 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1203 | 1022 | 1.00 | 4 | -0.12 | 40 | -4.80 | |
|  Senavirathna, U G D H B | | | 1070 | SRI | 0.50 | 1 | 0.07 | 40 | 2.80 | |  Perera, M N Akash | | | 1176 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Gunarathne, Senila Amaneth | c | | 1398 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Gavith, J K | | | 1167 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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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