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Individual Calculations August 2023 |
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| Ekaratne, Chenaya Total change: -62.00 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1493 | 1337 | 1.00 | 4 | -0.29 | 40 | -11.60 | |
|  Alahakoon, Isuru | f | | 1760 | SRI | 0.00 | 1 | -0.07 | 40 | -2.80 | |  Jayathilaka, R R C L | | | 1583 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Induwara, T H D Thisarindu | | | 1606 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Perera, Nethuka Mihisara | | | 1022 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | Sri Lanka National Team Chess Championship 2023 - Women | Colombo | SRI | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1249 | 1287 | 1.00 | 4 | -1.26 | 40 | -50.40 | |
| | Peiris, H Pevinya | | wf | 1634 | SRI | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Wijesekara, Dinuka Sewmini | | | 1165 | SRI | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Warnasooriya, Mihelee Vihara | | | 1038 | SRI | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Malinsa, D M Januthi | | | 1158 | SRI | 0.00 | 1 | -0.67 | 40 | -26.80 | |
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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