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Individual Calculations February 2019 |
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| Attanayaka, Chamath Total change: 37.20 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1234 | 1168 | 3.50 | 6 | 0.93 | 40 | 37.20 | |
|  Akash, P A Oditha | | | 1414 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Mallikarachchi, Kancha | | | 1008 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Kithmal, P M Kalindhu | | | 1508 | SRI | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Weerasinghe, Sethum | | | 1326 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Gamage, Sanula Udan | | | 1058 | SRI | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Wimalagunasekara, D Nithwara | | | 1089 | SRI | 1.00 | 1 | 0.39 | 40 | 15.60 | |
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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