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Individual Calculations January 2019 |
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| Perera, G Thinuka Geethula Total change: 12.80 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1330 | 1144 | 2.00 | 6 | 0.32 | 40 | 12.80 | |
|  Ponnamperuma, Weraka Vasath | | | 1390 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Epa, W Buthmi J | | | 1328 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Vithanawasam, Oneli | | | 1009 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | |  Tharushi, T H D Niklesha | | wc | 1544 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Premanath, Prasansa | | | 1332 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Cooray, T C M Dulein Kavindu | | | 1379 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | * 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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