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Individual Calculations February 2019 |
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| De Silva, S N K Total change: 0.00 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years Girls | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1166 | 0 | 1.00 | 4 | 0.00 | 973 | | 0.00 | |
|  Jayasinghe, Thenugi Dilanya | | | 1187 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Bandara, Thushi Shiwanga | | | 1217 | SRI | 1.00 | 1 | 0.00 | | 0.00 | |  Abeysinghe, Irushi Layanga | | | 1138 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Marasinghe, Chanethma Devangi | | | 1121 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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 | Rp | K | K*chg | Game |
| 1652 | 0 | 0.00 | 2 | 0.00 | 852 | | 0.00 | |
| | Galappaththi, Chinthaka Anuruddh | f | | 2086 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Siyambalapitiya, S V D S | | | 1218 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | |
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