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Individual Calculations October 2019 |
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| Gamage, B K Sayumi Hasithma Total change: -27.60 | |   |
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| Sri Lanka Girls National Chess Championship 2019 | Colombo | SRI | 2019-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1242 | 1062 | 1.00 | 4 | -0.14 | 40 | -5.60 | |
|  Mendis, Dasuni Hansika | | wf | 1462 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Kathriarachchi, Dini Nathyaa | | | 1181 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Sandanayake, Nimansa Sasanduni | | | 1177 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Vithanawasam, Oneli | | | 1149 | SRI | 1.00 | 1 | 0.62 | 40 | 24.80 | | | * 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) | | | | 10th Buddhi International Rating Chess Championship 2019 | Gampaha | SRI | 2019-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1084 | 0.00 | 3 | -0.55 | 40 | -22.00 | |
| | Kulathilake, S M M P | | | 1391 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Weerasinghe, W Yasiru | | | 1415 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Jayasinghe, Thenugi Dilanya | | | 1244 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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