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Individual Calculations January 2019 |
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| Welangalle, Pesala Dulkith Total change: 16.80 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1283 | 1331 | 5.00 | 8 | 0.42 | 40 | 16.80 | |
|  Randil, Lakshitha | | | 1731 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kalhara, W A Harindu | | | 1047 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | |  Mendis, Sandanu | | | 1036 | SRI | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Ranasinghe , R A Supul Deemantha | | | 1015 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Samarakoon, Vivash Ransara | | | 1062 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Kathriarachchi, Dini Nathyaa | | | 1074 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Pavalachandran, Ashvini | | | 1566 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Rathnayake, M A A H | | | 1731 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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