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Individual Calculations September 2018 |
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| Selvarajah, Selvendra Total change: 59.60 | |   |
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| 7th Mercantile and Government Service Chess Championship 2018 | Colombo | SRI | 2018-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1575 | 1198 | 2.00 | 5 | 1.53 | 20 | 30.60 | |
|  Madugalle, Y D B | | | 1598 * | SRI | 1.00 | 1 | 0.92 | 20 | 18.40 | |  Athukorala, Nethupul Pasan | | | 1598 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Mendis, W G Chinthaka | | | 1598 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Mihiranga, K A Rajitha | | | 1524 | SRI | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Dediyagala, Kelum | | | 1556 | SRI | 0.50 | 1 | 0.40 | 20 | 8.00 | | | * 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) | | | | Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1419 | 1198 | 3.00 | 6 | 1.45 | 20 | 29.00 | |
| | Perera, D Upashan L | | | 1577 | SRI | 0.50 | 1 | 0.41 | 20 | 8.20 | | | Fernando, J S Aloka | | | 1598 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Fernando, Yehani Manjalee | | | 1022 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Chamathka, Weerasinghe A Chethan | | | 1378 | SRI | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Kodithuwakku, Lisara | | | 1598 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Weerasinghe, Sethum | | | 1341 | SRI | 0.50 | 1 | 0.19 | 20 | 3.80 | | | * 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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