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Individual Calculations February 2019 |
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| Vithanawasam, Oneli Total change: 62.00 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 11 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1168 | 1009 | 3.00 | 5 | 1.55 | 40 | 62.00 | |
|  Wickramasuriya, Kenolee | | | 1162 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | |  Vithana, Minethma Devindi | | | 1166 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Attanayake, Chanindi Mewna | | | 1178 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Wilvalaarachchi, Oneli Omaya | | | 1198 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Gamage, Desandhi Dhihansa | | | 1136 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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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