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Individual Calculations February 2019 |
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| Rajapaksha, Dulitha K Total change: 5.20 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1258 | 1082 | 1.50 | 5 | 0.13 | 40 | 5.20 | |
|  Dalawella, Sanuka Chandul | | | 1361 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Jayawardena, Wishmitha Diviyanga | | | 1217 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | |  Bandara, W K S V | | | 1288 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Pinnagoda, P G Anuhas Suradunu | | | 1235 | SRI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | De Silva, T Dinura Hemjith | | | 1191 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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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