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Individual Calculations February 2018 |
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| Palihakkara, Nihindu Bimsath Total change: 3.60 | |   |
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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 |
| 1172 | 1154 | 2.50 | 5 | 0.09 | 40 | 3.60 | |
|  Fonseka, K W S Deneth | | | 1026 | SRI | 0.50 | 1 | -0.17 | 40 | -6.80 | |  Gamage, Liviru Hansana | | | 1071 | SRI | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Wijesekara, Bihandu Sanhinda | | | 1331 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | De Silva, L H L Manuja Lakshitha | | | 1045 | SRI | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Cooray, T C M Dulein Kavindu | | | 1385 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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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