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Individual Calculations September 2018 |
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| Ponnamperuma, Weraka Vasath Total change: 5.20 | |   |
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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 |
| 1284 | 1385 | 5.00 | 8 | 0.13 | 40 | 5.20 | |
|  Konara, K M Sachini Nimasha | | | 1021 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Ahangama, Senuka Aswin | | | 1167 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Gamage, Vinuki | | | 1016 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Rohana, V T Malitha | | | 1150 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Thennakoon, Disara | | | 1100 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Madushan, G D Hasanka | | | 1643 | SRI | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Jeyanthan, Krishna Rahul | | | 1579 | SRI | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Kodikara, K K M Sachintha | | wf | 1599 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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) | | |
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