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Individual Calculations September 2011 |
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| Sana, Mariano Total change: 4.05 | |   |
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| 39th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2011-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 2135 | 3.00 | 5 | 0.27 | 15 | 4.05 | |
|  Cooke, Eric N | | | 2147 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | |  Matlin, Anna R | | | 1961 | USA | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Iwu, Okechukwu A | | | 2158 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Waidyaratne, Kasun | | | 2182 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Itkis, Hana | | wf | 2044 | USA | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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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