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Individual Calculations September 2023 |
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| Walker, Brent P Total change: -58.80 | |   |
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| 68th Iowa Open Championship | Des Moines, Iowa | USA | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1624 | 1618 | 1.00 | 5 | -1.47 | 40 | -58.80 | |
|  Drippe, John M | | | 1864 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Koppinger, Matthew | | | 1568 | USA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | McGee, Isaac | | | 1433 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Fei, Irene Jiao | | | 1726 | USA | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Popov, Sergey | | | 1529 | USA | 0.00 | 1 | -0.62 | 40 | -24.80 | |
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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