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Individual Calculations February 2018 |
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| Weerasooriya, Senith D Jagoda Total change: -29.20 | |   |
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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 |
| 1206 | 1062 | 0.50 | 4 | -0.73 | 40 | -29.20 | |
|  Wijerathne, L M S D | | | 1247 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | De Silva, M Manindu Chanthil | | | 1228 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Hapugala, H A D K | | | 1164 | SRI | 0.50 | 1 | 0.14 | 40 | 5.60 | |  Morais, Sanithu Leander Pamudith | | | 1186 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | |
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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