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Individual Calculations February 2018 |
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| Rajapaksha, Isum Asitha Total change: 34.80 | |   |
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| Sri Lanka National Youth Chess Championship 2017 and 2018 Under - 15 years | Colombo | SRI | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1355 | 1095 | 2.00 | 6 | 0.87 | 40 | 34.80 | |
|  Gunawardena, I M P T | | | 1495 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gunathilake, M D Kehan S | | | 1304 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Punchihewa, Geeneth Devmika | | | 1347 | SRI | 1.00 | 1 | 0.81 | 40 | 32.40 | |  Jayasena, Tharaka Udayanga | | | 1383 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Ekanayake, N N B | | | 1269 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Ariyarathne, Binura L. | | | 1331 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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