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Individual Calculations January 2018 |
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| Wijeratne, Tharin Total change: -22.80 | |   |
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| 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1301 | 1122 | 0.50 | 4 | -0.57 | 40 | -22.80 | |
|  Sathmina, S L Lalindu | | | 1358 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Rangajeewa, M G Sachithra Sandar | | | 1273 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Sanudula, K M Dahamdi | | wc | 1316 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | |  Chamathka, Weerasinghe A Chethan | | | 1258 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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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