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Individual Calculations February 2023 |
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| Basnayake, K B B M Dinuga Sanketh Total change: 3.20 | |   |
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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 |
| 1073 | 1250 | 3.00 | 4 | 0.08 | 40 | 3.20 | |
|  Amarathunga, H G Gayuni Hansali | | | 1012 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Welege , Imantha Lakshan | | | 1121 | SRI | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Jayarathne, R R | | | 1117 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Gunathilaka, Kavinu Sanul | | | 1041 | SRI | 0.50 | 1 | -0.27 | 40 | -10.80 | |
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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