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Individual Calculations September 2023 |
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| Holliman, Bob Total change: 0.00 | |   |
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| 68th Iowa Open Championship | Des Moines, Iowa | USA | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1917 | 2.00 | 3 | 0.00 | 20 | 0.00 | |
|  Baker, Sean Michae | | | 1745 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Fei, Irene Jiao | | | 1726 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Aimdilokwong, Alec Daniel | | | 1902 | USA | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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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