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Individual Calculations February 2018 |
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| Withanarachchi, W A P V Total change: 37.60 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 13 years Girls | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1310 | 1167 | 2.50 | 5 | 0.94 | 40 | 37.60 | |
|  Sandeepani, M Tharushi | | | 1296 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Mapa, M M W H | | | 1290 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | |  Epa, W Buthmi J | | | 1300 | SRI | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Dassanayake, Tharusha Samadhi | | | 1280 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Gunathilake, M D Wonara S | | | 1382 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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