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Individual Calculations September 2019 |
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| Perera, M C C Total change: 8.40 | |   |
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| 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1334 | 1405 | 4.00 | 6 | 0.42 | 20 | 8.40 | |
|  Wickramarathne, D Jehan Randil | | | 1101 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Senanayaka, P D | | | 1726 | SRI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Francis, U M Senal Vishmin | | | 1115 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Alahakoon, Isuru | | | 1805 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sudharson, Nagendran | | | 1098 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Gamage, Desandhi Dhihansa | | | 1159 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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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