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Individual Calculations January 2019 |
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| Wickramarathne, P W G Gaveshi Total change: -10.00 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1404 | 1140 | 0.50 | 4 | -0.25 | 40 | -10.00 | |
|  Cooray, T C M Dulein Kavindu | | | 1379 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Jayasuriya, Linali Andrea | | | 1412 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Rabel, Chinthaka | | | 1540 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Fonseka, Waranakulasuriya Chan Ch | | | 1286 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | * 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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