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Individual Calculations February 2018 |
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| Jaysenthuliyane, Vinumi Vidara Total change: -1.60 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years Girls | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1293 | 1231 | 3.00 | 6 | 0.40 | 40 | 16.00 | |
|  Goyumi, Sasika M W | | | 1581 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Irunika, S D Aruni | | | 1192 | SRI | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Dissanayake, R A D V | | | 1091 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Herath, Sanduni | | | 1480 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Silva, K Thilini Pomodya | | | 1064 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Wijesinghe, W A D Sumudu | | | 1348 | SRI | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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) | | | | 22nd Battle of the Kings Inter School Team Chess Championship 2018 | Colombo | SRI | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1272 | 1231 | 0.00 | 1 | -0.44 | 40 | -17.60 | |
| | Premanath, Prasansa | | | 1272 | SRI | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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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