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Individual Calculations January 2012 |
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| Kumara, Sisira Total change: -2.40 | |   |
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| 3rd Ethugalpura Chess Challenge | Kurunegala | SRI | 2011-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 1771 | 0.50 | 3 | -0.16 | 15 | -2.40 | |
|  Wijekoon, Chandana | | | 2024 | SRI | 0.00 | 1 | -0.19 | 15 | -2.85 | |  Subasinghe, K R K C | | | 1949 | SRI | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Kavinda, Akhila | | | 2016 | SRI | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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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