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Individual Calculations September 2019 |
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| Weerathungalage, W D Malisha Sasv Total change: -0.40 | |   |
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| 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1436 | 1158 | 0.50 | 3 | -0.01 | 40 | -0.40 | |
|  Koggala, W S T D | | | 1484 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | |  Wijerathne, Surath | | | 1423 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Weerakkody, Dulini Dayalu | | | 1400 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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