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Individual Calculations August 2023 |
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| Amarasinghe, A A C B Total change: -51.80 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1841 | 4.50 | 8 | -2.59 | 20 | -51.80 | |
|  Alwis, H R C Yuthmika | | | 1441 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Gunarathne, Senila Amaneth | c | | 1331 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Amarathunga, Kosala Sandeepa Cham | | | 1468 | SRI | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Ganepola, Thushanu Yasmith | | | 1302 | SRI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Liyanage, B K D | | | 1449 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gunaratne, Mojitha Sathsara | c | | 1802 | SRI | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Sahasra, A P Sasindu | | | 1495 | SRI | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Illankoon, I M W P | | | 1255 | SRI | 0.00 | 1 | -0.98 | 20 | -19.60 | | | * 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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