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Individual Calculations May 2018 |
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| Koggala, W S T D Total change: -16.00 | |   |
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| 11th Colombo International Chess Championship 2018 | Colombo | SRI | 2018-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1382 | 1556 | 4.00 | 7 | -0.80 | 20 | -16.00 | |
|  Jayawardena, Wishmitha Diviyanga | | | 1156 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | |  De Silva, Thenuki Hirunima | | | 1188 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Hewawasam, H Y Thisaga Manvidu | | | 1156 * | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Gunasekara, Danuka | | | 1221 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Alahakoon, T N | | | 1748 | SRI | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Rathnayake, M A A H | | | 1899 | SRI | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Ponnamperuma, Weraka Vasath | | | 1304 | 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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