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Individual Calculations February 2019 |
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| Jayawardena, Wishmitha Diviyanga Total change: -20.80 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1238 | 1217 | 1.00 | 3 | -0.52 | 40 | -20.80 | |
|  Fonseka, K W S Deneth | | | 1016 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | |  Silva, Kevin Ranidu | c | | 1617 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rajapaksha, Dulitha K | | | 1082 | SRI | 0.00 | 1 | -0.68 | 40 | -27.20 | | | * 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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