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Individual Calculations July 2023 |
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| Cohen, Fredric S Total change: -44.40 | |   |
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| 32nd annual Chicago Open - U2100 Section | Wheeling, IL | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1636 | 1683 | 0.00 | 4 | -2.22 | 20 | -44.40 | |
|  Sax, Robert David | | | 1605 | USA | 0.00 | 1 | -0.61 | 20 | -12.20 | |  Xu, Zhuo Yuan | | | 1428 | CAN | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Shattuck, Andrew | | | 1816 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Mills, Michael | | | 1694 | USA | 0.00 | 1 | -0.48 | 20 | -9.60 | |
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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