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Individual Calculations September 2009 |
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| Margiotta, Jason J Total change: -15.75 | |   |
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| Marshall CC FIDE Thursdays | New York, NY | USA | 2009-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2008 | 1.00 | 4 | -0.63 | 25 | -15.75 | |
|  Berg, George P | | | 2085 | USA | 0.50 | 1 | 0.11 | 25 | 2.75 | |  Waxman, Marian | | | 2036 | USA | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Treger, Yefim | | | 2185 | USA | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Farber, Nelson M | | | 2001 | USA | 0.00 | 1 | -0.51 | 25 | -12.75 | |
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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