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Individual Calculations February 2018 |
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| Irunika, S D Aruni Total change: -27.60 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years Girls | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1145 | 1192 | 1.00 | 3 | -0.69 | 40 | -27.60 | |
|  Kekulawala, Hirunima | | | 1126 | SRI | 1.00 | 1 | 0.41 | 40 | 16.40 | |  Jaysenthuliyane, Vinumi Vidara | | | 1231 | SRI | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Liyanage, Oshadi Pesala | | | 1079 | SRI | 0.00 | 1 | -0.65 | 40 | -26.00 | |
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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