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Individual Calculations April 2018 |
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| Koggala, W S Vidura K Total change: -1.00 | |   |
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| Sri Lanka National B Chess Championship 2018 | Colombo | SRI | 2018-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 2016 | 7.00 | 10 | -0.05 | 20 | -1.00 | |
|  Yatawara, O L B | | | 1616 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jayaweera, C L | | | 1755 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Dissanayake, R K T | | | 1760 | SRI | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Senanayaka, P D | | | 1738 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Gamage, Chathulanka | | | 1826 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Jayawardana, Lasal | | | 1815 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Alahakoon, Isuru | | | 2072 | SRI | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Liyanage, Ranindu Dilshan | c | | 1967 | SRI | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Rathnayake, M A A H | | | 1899 | SRI | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Kavinda, Akila | | | 2008 | SRI | 0.50 | 1 | -0.01 | 20 | -0.20 | | | * 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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