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Individual Calculations January 2019 |
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| Perera, Thisura Damsith Total change: 15.20 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1125 | 1.50 | 4 | 0.38 | 40 | 15.20 | |
|  Senavirathna, U G D H B | | | 1078 | SRI | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Bandara, T B S H | | | 1525 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jayasinghe, J A A D K | | | 1334 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Dassanayake, Tharusha Samadhi | | | 1328 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | * 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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