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Individual Calculations February 2019 |
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| Hemachandra, D K S Sethmika Total change: 8.40 | |   |
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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 |
| 1241 | 1131 | 2.00 | 5 | 0.21 | 40 | 8.40 | |
|  Ponnamperuma, Weraka Vasath | | | 1390 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Ranasinghe, R A Senuka Buddhika | | | 1305 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Bandara, W K S V | | | 1288 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Hettiarachchi, V A | | | 1014 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Dissanayake, Sasandu Upeksha | | | 1208 | SRI | 0.50 | 1 | 0.11 | 40 | 4.40 | |
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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