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Individual Calculations December 2017 |
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| Xu, Arthur Total change: -48.40 | |   |
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| City of Chicago Class Championships | Chicago, Illinois | USA | 2017-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 1959 | 2.00 | 4 | -0.06 | 40 | -2.40 | |
|  Li, Zhaozhi | f | | 2359 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Carey, Aidan M | | | 1687 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Reddy, Shreyas | | | 1799 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Bronfeyn, Daniel | | | 2005 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | * 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) | | | | 26th Annual Kings Island Open | Blue Ash, Ohio | USA | 2017-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 1900 | 1.00 | 4 | -0.68 | 40 | -27.20 | |
| | Chen, Forest | | | 1983 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Carr, Jay A | | | 1842 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Multhopp, Hans | f | | 2061 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Wu, Logan | | | 1959 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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) | | | | 2017 Thanksgiving Open | Saint Louis, Missouri | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1900 | 1.00 | 4 | -0.47 | 40 | -18.80 | |
| | Baker, Vincent | | | 2117 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Potula, Kapish | | | 2039 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Lodh, Anish | | | 1743 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Cervantes Landeiro, Thalia | | wf | 2107 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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