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Individual Calculations January 2018 |
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| Alahakoon, Isuru Total change: -24.40 | |   |
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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 |
| 1912 | 2115 | 3.50 | 6 | -1.06 | 20 | -21.20 | |
|  Premachandra, G T D M | | | 1950 | SRI | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Dassanayake, D M G S | | | 1964 | SRI | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Theekshana, H G Denuwan | | | 1894 | SRI | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Herath, Nishendra | | | 1931 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Munasinghe, Shanaka | | | 1844 | SRI | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Danushka, M A N | | | 1886 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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 |
| 1736 | 2115 | 8.00 | 9 | -0.16 | 20 | -3.20 | |
| | Gamage, Liviru Hansana | | | 1715 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wijesekara, Dinuka Sewmini | | | 1715 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Basnayake, B M Thesandu Aken | | | 1715 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kodithuwakku, Lisara | | | 1715 * | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Udagedara, Sandali Kanishka | | | 1715 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Weththasinghe, C S | | | 1715 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Yatawara, O L B | | | 1715 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Silva, Elath Mathanga | | | 1822 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Lamahewa, C | | | 1793 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | * 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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