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Individual Calculations February 2019 |
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| Marapana, Sanupa Bimsath Total change: 19.20 | |   |
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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 |
| 1226 | 1275 | 4.50 | 7 | 0.48 | 40 | 19.20 | |
|  Gunawardana, Indrakeela K D Udde | | | 1049 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Lankasinghe, Movindu Jayuka | | | 1131 | SRI | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Illankoon, I M W P | | | 1122 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Dharmakeerthi, G K Pasindu Nims | | | 1632 | SRI | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Ranasinghe, Thinuga Devanjith | | | 1138 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Morais, Sanithu Leander Pamudith | | | 1417 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Wickramasinghe, W W A T S | | | 1094 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | |
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) | | |
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