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Individual Calculations February 2023 |
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| Jayarathne, R R Total change: -14.40 | |   |
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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 |
| 1294 | 1117 | 1.00 | 5 | -0.36 | 40 | -14.40 | |
|  Dharmasena, W M S S B | | | 1379 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Kavisekara, K M H P G Pasindu M | | | 1232 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Basnayake, K B B M Dinuga Sanketh | | | 1250 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Shouthri, Arulrajah | | | 1348 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Kaumina, M Yashika | | | 1259 | 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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