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Individual Calculations February 2019 |
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| Yasanga, W C M Kasun Total change: 5.60 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 15 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1298 | 1395 | 4.50 | 7 | 0.17 | 40 | 6.80 | |
|  Ranasinghe , R A Supul Deemantha | | | 1015 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Thenuka, Kuruwita Gamalathge Kin | | | 1721 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Rodrigo, W A Gandhawa | | | 1216 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Kodithuwakku, Himsara | | | 1601 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Wanigasundara, W M H | | | 1246 | SRI | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Alwis, Randeepa | | | 1138 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Amarathunga, W A S V | | | 1152 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1231 | 1453 | 4.50 | 6 | -0.03 | 40 | -1.20 | |
| | Adimali, Uvindu Nipunitha | | | 1116 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Amarasinghe, K K H Kevinda | | | 1161 | SRI | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Wadanambi, M Nimnaka | | | 1150 | SRI | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Sandanayaka, S D D S | | | 1134 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Thalgaswatta, Adeesha Denuwan | | | 1094 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Senanayaka, P D | | | 1731 | SRI | 0.50 | 1 | 0.33 | 40 | 13.20 | |
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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