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Individual Calculations January 2019 |
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| Jayaweera, K P C D B Total change: 9.20 | |   |
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| Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1435 | 1580 | 6.50 | 9 | 0.46 | 20 | 9.20 | |
|  Perera, K K N L | | | 1180 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Karunarathne, D D W Gamini | | | 1183 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mapa, M M W H | | | 1297 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Epa, W Bethmee V | | | 1368 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Galappaththi, Chinthaka Anuruddh | f | | 1980 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Wiratunga, Jenith | | | 1349 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Bentharaarachchi, Vinuga Ometh | | | 1302 | SRI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Weerasinghe, C C | | | 1822 | SRI | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Samaraweera, Dimuth Indeepa | | | 1437 | SRI | 0.50 | 1 | -0.19 | 20 | -3.80 | | | * 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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