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Individual Calculations January 2019 |
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| Rabel, Chinthaka Total change: -21.00 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1270 | 1600 | 5.00 | 7 | -1.05 | 20 | -21.00 | |
|  Perera, G Poorna Udara Dhananjay | | | 1200 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Himsara, W A Janidu | | | 1288 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Selvarajah, Selvendra | | | 1258 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Saravanabaavan, Brijeash | | | 1469 | SRI | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Wickramarathne, P W G Gaveshi | | | 1200 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Vithanawasam, Oneli | | | 1200 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Perera, S D Tharindu | | | 1273 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | * 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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