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Individual Calculations July 2022 |
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| Peterson, Brian Total change: -40.40 | |   |
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| 31st Annual Chicago Open - Under 2100 | Wheeling, Illinois | USA | 2022-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1810 | 1.00 | 3 | -1.01 | 40 | -40.40 | |
|  Yang, Vian | | | 1410 * | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | |  Li, David Tongjia | | | 1496 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Stein, Josiah Robert | | | 2018 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * 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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