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Individual Calculations February 2018 |
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| Akmeemana, I U Total change: -22.40 | |   |
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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 |
| 1156 | 1162 | 1.50 | 4 | -0.56 | 40 | -22.40 | |
|  Wathudura, Milinda Danujaya | | | 1073 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | |  Athukorala, A T N | | | 1420 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Gamage, Liviru Hansana | | | 1071 | SRI | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Vishwakumar, R | | | 1058 | 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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