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Individual Calculations February 2020 |
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| Abiru, K A Aken Total change: 15.60 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 11 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1176 | 1007 | 1.50 | 4 | 0.39 | 40 | 15.60 | |
|  Rathnayaka, Minaga Yethmin | | | 1237 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | |  Weerathungalage, W D Malisha Sasv | | | 1137 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Sathsara, E P Daham | | | 1169 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Perera, K S D | | | 1161 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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