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Individual Calculations January 2018 |
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| De Costa, Thanuri Total change: -16.80 | |   |
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| Sri Lanka Inter Club Women's Chess Championship 2017 | Colombo | SRI | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1400 | 1482 | 1.50 | 4 | -0.84 | 20 | -16.80 | |
|  Waranga, M G Yasasmi | | | 1362 | SRI | 0.50 | 1 | -0.16 | 20 | -3.20 | |  Rajapaksha, Mayangana Shiwangi | | | 1082 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Methmani, Nelunika | | wm | 1710 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Weerasinghe, Diyoni S K | | | 1446 | SRI | 0.00 | 1 | -0.55 | 20 | -11.00 | | | * 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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