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Individual Calculations September 2012 |
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| Pechisker, Alfred Total change: -16.50 | |   |
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| 113th Annual US Open | Vancouver, Washington | USA | 2012-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2199 | 3.00 | 6 | -1.10 | 15 | -16.50 | |
|  Morris, Michael J | | | 2097 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | |  Brock, William H | | | 2032 | USA | 0.00 | 1 | -0.72 | 15 | -10.80 | | | Gutman, Richard G | | | 2113 | USA | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Cohen, Micah | | | 2027 | USA | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Helfst, Matt D | | | 1991 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | May, Andy P | | | 2113 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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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