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Individual Calculations July 2023 |
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| Perdomo, Pedro Total change: -42.40 | |   |
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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 |
| 1610 | 1686 | 1.50 | 6 | -2.12 | 20 | -42.40 | |
|  Zhu, Rex | | | 1594 | USA | 0.00 | 1 | -0.63 | 20 | -12.60 | |  Ramesh, Sanjana | | | 1536 | USA | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Mills, Michael | | | 1694 | USA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | He, Justin Shandong | | | 1600 | USA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Hanke, Harvey | | | 1552 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Cheng, Alex | | | 1683 | USA | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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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