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Individual Calculations January 2022 |
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| Costello, Alexander Total change: -5.00 | |   |
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| 56th American Open - Open | Orange, California | USA | 2021-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 2249 | 5.50 | 8 | -0.25 | 20 | -5.00 | |
|  Atwell, Rose | | | 1891 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | |  Akopian, Robert | | | 1992 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Wang, Alex | | | 1970 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Eidelman, Gabriel | | | 1999 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Wen, Teddie | | | 2053 | USA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Yan, Ruiyang | | wc | 2124 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Eswaran, Ashritha | | wm | 2275 | USA | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Kretchetov, Alexandre | f | | 2249 | RUS | 0.50 | 1 | 0.00 | 20 | 0.00 | |
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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