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Individual Calculations January 2018 |
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| Koggala, W S Vidura K Total change: 27.80 | |   |
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| Sri Lanka Inter Club Super League Chess Championship 2017 | Colombo | SRI | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1988 | 3.00 | 6 | 0.50 | 20 | 10.00 | |
|  Kottahachchy, K O V | | | 2043 | SRI | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Lamawansa, Yasas | f | | 2069 | SRI | 1.00 | 1 | 0.61 | 20 | 12.20 | |  Amarasinghe, A A C B | | | 1945 | SRI | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Peiris, T G M | | | 2143 | SRI | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Srinath, Rao S.v. | f | | 2263 | IND | 0.00 | 1 | -0.17 | 20 | -3.40 | | | De Silva, Osheen | | | 1863 | SRI | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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) | | | | 9th Ethugalpura International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1732 | 1988 | 8.00 | 9 | 0.89 | 20 | 17.80 | |
| | Sandanayake, Nimansa Sasanduni | | | 1588 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Soorathissa, S P J M | | | 1588 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gunarathne, Senila Amaneth | c | | 1588 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kodithuwakku, Himsara | | | 1617 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Lamahewa, C | | | 1793 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | De Silva, Elath Mathanga | | | 1822 | SRI | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Dissanayake, R K T | | | 1761 | SRI | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Subasinghe, K R V R | | | 1989 | SRI | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Kumara, C M S Praneeth | | | 1846 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | * 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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