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Individual Calculations September 2015 |
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| Karunarathna, Thilini Savindya Total change: 44.80 | |   |
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| National Women's Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1276 | 1146 | 3.50 | 6 | 1.42 | 40 | 56.80 | |
|  Karunarathna, Nuthara Dulandee | | | 1074 | SRI | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Herath, Sanduni | | | 1210 | SRI | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Choksy, Anaisha | | | 1222 | SRI | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Lakmini, K K | | | 1352 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Wijesinghe, W A D Sumudu | | | 1261 | SRI | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Udagedara, Sandali Kanishka | | | 1535 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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) | | | | 6th Kandy Open International Rating Chess Championship | Kandy | SRI | 2015-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1515 | 1146 | 0.00 | 3 | -0.30 | 40 | -12.00 | |
| | Ranasinghe, Shalini | | | 1546 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Yatawala, Manushka | | | 1546 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dabarera, G W D M | | | 1454 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | * 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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