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Individual Calculations July 2012 |
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| Perepelitsky, Philipp Total change: -12.15 | |   |
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| 21st Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2012-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 2107 | 2.50 | 5 | -0.81 | 15 | -12.15 | |
|  Hua, Margaret M | | | 1957 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | |  Weatherspoon, Kyler | | | 1939 | USA | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Hyatt, Doug | | | 2048 | USA | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Iyengar, Udit | | | 2005 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Tutush, Dusan | | | 1978 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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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