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Individual Calculations July 2009 |
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| Wiwarin, Piyapon Total change: -1.00 | |   |
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| Thailand Open Challenger 2009 | Pattaya | THA | 2009-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1770 | 0.50 | 2 | -0.04 | 25 | -1.00 | |
|  Ow, Jun Wai Ryan | | | 1870 | SIN | 0.50 | 1 | 0.14 | 25 | 3.50 | |  Kumar, Atul | | | 2034 | IND | 0.00 | 1 | -0.18 | 25 | -4.50 | |
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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