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Individual Calculations February 2019 |
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| Wadanambi, M Nimnaka Total change: 1.60 | |   |
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| Sri Lanka National Youth Championship 2018 - Under 15 | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1282 | 1150 | 0.50 | 2 | -0.18 | 40 | -7.20 | |
|  Sheshan, H H N | | | 1158 | SRI | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Omaththage, S Y | | | 1405 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | 7th Kaluthara Chess Festival 2019 | Kaluthara | SRI | 2019-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1446 | 1150 | 1.00 | 5 | 0.22 | 40 | 8.80 | |
| | Galappaththi, Chinthaka Anuruddh | f | | 1550 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Yasanga, W C M Kasun | | | 1453 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Deshappriya, D Kalindu | | | 1456 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Chankamie, M K T | | | 1447 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Weerasinghe, H K P | | | 1323 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | * 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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