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Individual Calculations February 2023 |
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| Senanayake, S M N Yasara Total change: -29.60 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1063 | 1025 | 1.50 | 5 | -0.74 | 40 | -29.60 | |
|  Kanchana, W A | | | 1129 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | |  Dissanayaka, D A K N R | | | 1036 | SRI | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Chandrasekara, C M H D | | | 1021 | SRI | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Nissanka, H T Dinuka Dulshan | | | 1046 | SRI | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Rathnayake, R M R S | | | 1083 | SRI | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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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