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Individual Calculations February 2018 |
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| Cooray, Isitha Danindu Total change: -13.60 | |   |
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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 |
| 1173 | 1142 | 1.50 | 4 | -0.34 | 40 | -13.60 | |
|  Hewage, Mike | | | 1023 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | |  Wijesekara, Bihandu Sanhinda | | | 1331 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Pranouve, S S | | | 1300 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Hettiarachchi, V A | | | 1038 | SRI | 0.00 | 1 | -0.64 | 40 | -25.60 | |
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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