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Individual Calculations June 2013 |
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| Pena, Joel Anthony Total change: -12.30 | |   |
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| 7th Annual Philadelphia Open - Under 2200 Section | Philadelphia, Pennsylvania | USA | 2013-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 2068 | 2.00 | 4 | -0.41 | 30 | -12.30 | |
|  Der Manuelian, Haik | | | 2038 | USA | 0.50 | 1 | -0.04 | 30 | -1.20 | |  Xu, Yuhao | | | 2119 | USA | 0.50 | 1 | 0.07 | 30 | 2.10 | | | Virkud, Apurva | | | 1888 | USA | 0.50 | 1 | -0.24 | 30 | -7.20 | | | Shi, Jason | | | 1922 | USA | 0.50 | 1 | -0.20 | 30 | -6.00 | |
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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