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Individual Calculations September 2018 |
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| Attanayaka, Amoda Yehen Total change: 26.40 | |   |
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| Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1354 | 4.50 | 8 | 0.66 | 40 | 26.40 | |
|  Harischandra, Thisath Ranpul | | | 1046 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Kolomwe, Willian | | | 1631 | ZAM | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Methiyra, G P Detumina | | | 1116 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Fernando, J M Marlon P | | | 1687 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Peiris, H Pevinya | | wf | 1672 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Wimalasiri, Ransith Pabalu | | | 1114 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Perera, Isara Ranmeth | | | 1171 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Perera, D Upashan L | | | 1577 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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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