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Individual Calculations February 2018 |
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| Pallegama, Isuru Total change: 4.80 | |   |
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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 |
| 1206 | 1127 | 2.50 | 6 | 0.12 | 40 | 4.80 | |
|  Irunika, S D Aruni | | | 1192 | SRI | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Epa, W Bethmee V | | | 1286 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Rathnayaka, R A H K | | | 1031 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Waranga, M G Yasasmi | | | 1362 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Wijesekara, Dinuka Sewmini | | | 1212 | SRI | 0.00 | 1 | -0.38 | 40 | -15.20 | | | De Silva, Thenuki Hirunima | | | 1154 | SRI | 0.50 | 1 | 0.04 | 40 | 1.60 | |
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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