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Rapid:
Individual Calculations February 2018 |
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| Chamathka, Weerasinghe A Chethan Total change: 5.80 | |   |
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| Sri Lanka National Youth Rapid Chess Championship 2017 Under - 14 years Girls | Colombo | SRI | 2018-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1245 | 1197 | 2.50 | 5 | 0.29 | 20 | 5.80 | |
|  Dahampriya, H K T Dewnethmie | | | 1458 | SRI | 0.50 | 1 | 0.32 | 20 | 6.40 | |  Jaysenthuliyane, Vinumi Vidara | | | 1177 | SRI | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Hetti Arachchige, Thisumi S | | | 1151 | SRI | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Epa, W Buthmi J | | | 1261 | SRI | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Rathnayake, Maheesha Pabodhini | | | 1176 | SRI | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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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