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Individual Calculations July 2008 |
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| Mattson, Dane Total change: 4.75 | |   |
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| 17th Annual Chicago Open (U2300 Section) | Wheeling, Illinois | USA | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 2072 | 3.00 | 6 | 0.19 | 25 | 4.75 | |
|  Waidyaratne, Kasun | | | 2115 | USA | 0.50 | 1 | 0.06 | 25 | 1.50 | |  Hanken, Jerome | | | 1919 | USA | 1.00 | 1 | 0.30 | 25 | 7.50 | | | Chow, Albert | f | | 2198 | USA | 0.50 | 1 | 0.17 | 25 | 4.25 | | | Dougherty, Michael | f | | 2205 | CAN | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Airapetian, Chouchani | | wf | 2092 | USA | 0.00 | 1 | -0.47 | 25 | -11.75 | | | Kubik, Zbigniew | | | 2035 | USA | 1.00 | 1 | 0.45 | 25 | 11.25 | |
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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