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Individual Calculations September 2017 |
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| Cooray, T C M Dulein Kavindu Total change: 75.60 | |   |
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| 4th Sri Lanka National Amateur International Rating Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1407 | 1223 | 4.00 | 7 | 1.89 | 40 | 75.60 | |
|  Colambage, Sachin Kalhara | | | 1623 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Thenuka, Kuruwita Gamalathge Kin | | | 1578 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Kaluarachchi, K A P M | | | 1054 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Naushad, Thalaal | | | 1461 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | De Silva, D Senath Heshara | | | 1017 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Koggala, W S T N | | | 1543 | SRI | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Subasinghe, D D C H | | | 1576 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | * 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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