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Individual Calculations September 2015 |
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| Siriwardena, R I Pasan Bhanuka Total change: 0.40 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1699 | 5.00 | 7 | 0.02 | 20 | 0.40 | |
|  Weerasinghe, W P Dakshaka Deshan | | | 1299 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Fernando, J S Aloka | | | 1414 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Dassanayake, D M G S | | | 1927 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Pallie, Tuan Ehshan | | | 1491 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Gunasekara , W A N Senpathi | | | 1481 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Siriwardena, G T D | | | 1534 | SRI | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Gunarathna, D A Viraj Darshana | | | 1518 | SRI | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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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