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Individual Calculations January 2018 |
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| Danushka, M A N Total change: 12.40 | |   |
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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 |
| 1957 | 1886 | 2.50 | 5 | 0.47 | 20 | 9.40 | |
|  De Silva, Elath Mathanga | | | 1822 | SRI | 1.00 | 1 | 0.41 | 20 | 8.20 | |  Premachandra, G T D M | | | 1950 | SRI | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Dassanayake, D M G S | | | 1964 | SRI | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Munasinghe, Lahiru | | | 1936 | SRI | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Alahakoon, Isuru | | | 2115 | SRI | 0.00 | 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 |
| 1625 | 1886 | 6.50 | 8 | 0.15 | 20 | 3.00 | |
| | Rajapaksha, R M A N | | | 1486 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayasinghe, J M A D | | | 1486 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Madusanka , L D D | | | 1486 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gunathilake, H B N D | | | 1560 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Dissanayake, R K T | | | 1761 | SRI | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Thenuka, Kuruwita Gamalathge Kin | | | 1583 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Kumara, C M S Praneeth | | | 1846 | SRI | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Lamahewa, C | | | 1793 | SRI | 0.50 | 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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