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Individual Calculations January 2024 |
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| Iddagoda, Nikitha Total change: 6.40 | |   |
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| Ehugalpura International Open Chess Championship 2023 | Kurunegala | SRI | 2023-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1422 | 1549 | 5.50 | 8 | 0.32 | 20 | 6.40 | |
|  Senanayake, Sekitha Rasula | | | 1149 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nuwarapaksha, N P M Lakvindu | | | 1262 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Mudalige, S M I Umandi | | | 1397 | SRI | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Illankoon, I M W P | | | 1384 | SRI | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Dabarera, G W D M | | | 1787 | SRI | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Kaluarachchi, Achinthya Shamen | | | 1805 | SRI | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Manuranga, D Lahiru | | | 1357 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Punchihewa, Hasith Thevindu | | | 1235 | SRI | 0.50 | 1 | -0.36 | 20 | -7.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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