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Individual Calculations August 2021 |
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| Wisniowski, Natalie Total change: 29.60 | |   |
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| 14th Annual Chicago Class - Expert | Wheeling, Illinois | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1693 | 2.00 | 5 | -0.28 | 40 | -11.20 | |
|  Rhine, Frederick S | | | 1948 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Mu, Grant | | | 1569 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Xia, Ruoxiao | | | 1500 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Reddy, Shreyas | | | 1832 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Peterson, Gregory Gage | | | 1795 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | 22nd Annual Pittsburgh Open - Major | Pittsburgh, Pennsylvania | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 1693 | 1.50 | 4 | 1.02 | 40 | 40.80 | |
| | Hu, Merric | | | 2080 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Norman, Dennis | | | 1906 | USA | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Storn, Justin Thomas | | | 2093 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Prestia, Paris | | | 2093 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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