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Individual Calculations January 2012 |
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| Perera, A K N A Total change: 7.95 | |   |
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| 3rd Ethugalpura Chess Challenge | Kurunegala | SRI | 2011-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1691 | 1.00 | 2 | 0.53 | 15 | 7.95 | |
|  Amarasinghe, A A C B | | | 1893 | SRI | 1.00 | 1 | 0.76 | 15 | 11.40 | |  Gunasinghe, W A T S | | | 1903 | SRI | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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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