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Individual Calculations July 2023 |
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| Paitrick, Derek Total change: -6.60 | |   |
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| 32nd annual Chicago Open - U2300 Section | Wheeling, IL | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 2041 | 2.50 | 4 | -0.33 | 20 | -6.60 | |
|  Li, Alex | | | 1724 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Storn, Justin Thomas | | | 2096 | USA | 0.50 | 1 | 0.08 | 20 | 1.60 | |  Feng, Jay | | | 1641 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Reinberg, Jeffrey A | | | 1952 | USA | 0.00 | 1 | -0.62 | 20 | -12.40 | | | * 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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