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Individual Calculations September 2010 |
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| Roper, David C Total change: -11.25 | |   |
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| 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2288 | 1.50 | 3 | -0.75 | 15 | -11.25 | |
|  Velikanov, Alexander | | | 2082 | USA | 0.50 | 1 | -0.26 | 15 | -3.90 | |  Borgen, Richard L | | | 2126 | USA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | West, Vanessa A | | | 2063 | USA | 0.00 | 1 | -0.78 | 15 | -11.70 | |
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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