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Individual Calculations July 2021 |
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| Iwu, Okechukwu Anele Nnej Total change: -23.60 | |   |
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| 30th Annual Chicago Open - Open | Wheeling, Illinois | USA | 2021-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2218 | 2152 | 0.50 | 4 | -1.21 | 20 | -24.20 | |
|  Shetty, Atulya Arya | m | | 2466 | USA | 0.50 | 1 | 0.36 | 20 | 7.20 | |  Mardov, Dimitar | f | | 2318 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Johnson, Donald | | | 1990 | USA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Singh, Hersh | | | 2096 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | |
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) | | | | Castle FIDE Premiere - Premiere June 2021 | Bloomington, Minnesota | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 2121 | 3.00 | 4 | 0.03 | 20 | 0.60 | |
| | Murray, William | | | 1897 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Deutsch, Daniel | | | 1845 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Titus, Andrew Lewi | | | 2154 | USA | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Wasserman, Edward | | | 1744 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | |
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) | | |
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