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Individual Calculations February 2018 |
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| Arthigan, J Total change: -23.60 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1204 | 1067 | 1.00 | 5 | -0.59 | 40 | -23.60 | |
|  Rangajeewa, M G Sachithra Sandar | | | 1273 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Basnayake, Kaushal Chaturanga | | | 1237 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Dharmasena, S B T V | | | 1181 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Bandara, R M D T | | | 1200 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Bawakeerthan, R | | | 1129 | SRI | 0.00 | 1 | -0.41 | 40 | -16.40 | |
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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