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Individual Calculations January 2019 |
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| Chamathka, Weerasinghe A Chethan Total change: -3.20 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1235 | 2.50 | 6 | -0.08 | 40 | -3.20 | |
|  Saravanabaavan, Brijeash | | | 1469 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Jayasinghe, Ranudhi | | | 1008 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Weerakoon, D D P | | | 1635 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Wijesuriya, G P Y | | wc | 1613 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Perera, Dinujaya Thathsara | | | 1071 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Sandanayake, Nimansa Sasanduni | | | 1096 | SRI | 0.00 | 1 | -0.69 | 40 | -27.60 | | | * 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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