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Individual Calculations July 2009 |
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| Widmaier, Marc Total change: -11.75 | |   |
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| New York March Open | New York, New York | USA | 2009-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 2077 | 1.00 | 3 | -0.47 | 25 | -11.75 | |
|  Gaspard, Fritz P | | | 2098 | USA | 0.00 | 1 | -0.47 | 25 | -11.75 | |  Tuhrim, Richard J | | | 2028 | USA | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Korley, Kassa | | | 2126 | USA | 0.00 | 1 | -0.43 | 25 | -10.75 | |
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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