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Individual Calculations February 2018 |
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| Hettiarachchi, V A Total change: -7.20 | |   |
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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 |
| 1159 | 1038 | 1.50 | 5 | -0.18 | 40 | -7.20 | |
|  Jayawardana, T M A | | | 1162 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Wijeratne, Tharin | | | 1122 | SRI | 0.50 | 1 | 0.12 | 40 | 4.80 | |  Cooray, Isitha Danindu | | | 1142 | SRI | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Akasha, J P Vihanga | | | 1219 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Rathnayake, H M Dham Pulindu | | | 1149 | 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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