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Individual Calculations February 2023 |
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| Nissanka, H T Dinuka Dulshan Total change: 25.60 | |   |
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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 |
| 1187 | 1046 | 2.00 | 3 | 1.03 | 40 | 41.20 | |
|  Senanayake, S M N Yasara | | | 1025 | SRI | 1.00 | 1 | 0.47 | 40 | 18.80 | |  Ekaratne, Chenaya | | | 1284 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Yanakan, P | | | 1251 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1469 | 1046 | 0.00 | 2 | -0.39 | 40 | -15.60 | |
| | Kulasekara, D M T Kashyapa | | | 1809 | SRI | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Rathnayake, R M M P B | | | 1129 | SRI | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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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