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Individual Calculations January 2009 |
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| Ahmad, Afiq Afyfy Total change: 8.50 | |   |
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| 2008 Sarawak Open Chess Championship | Kuching | MAS | 2008-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 1929 | 1.50 | 5 | 0.34 | 25 | 8.50 | |
|  Che Hassan, Abdullah | | | 2125 | MAS | 0.00 | 1 | -0.25 | 25 | -6.25 | |  Abdullah, Mohd Kamal | | | 2146 | MAS | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Hj, Sulaiman Amir Fakhry | | | 2233 | BRU | 1.00 | 1 | 0.86 | 25 | 21.50 | | | Abang, Mohd Reduan | | | 2083 | MAS | 0.50 | 1 | 0.21 | 25 | 5.25 | | | Chua, Aaron | | | 2116 | MAS | 0.00 | 1 | -0.26 | 25 | -6.50 | |
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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