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Individual Calculations September 2019 |
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| Perera, P K Jagath Total change: 12.80 | |   |
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| 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1405 | 1119 | 1.00 | 4 | 0.32 | 40 | 12.80 | |
|  Epa, W Buthmi J | | | 1515 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Tharindi, D.h. Roshana | | | 1330 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Gamage, Liviru Hansana | | | 1315 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | De Silva, Chamindra | | | 1458 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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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