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Individual Calculations July 2023 |
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| Ghaemmaghami, Ehsan Total change: -3.90 | |   |
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| 32nd annual Chicago Open - Open Section | Wheeling, IL | USA | 2023-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2393 | 2463 | 6.50 | 9 | 1.28 | 10 | 12.80 | |
|  Takahashi, Michael John | | | 2063 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Zhao, Erick | f | | 2275 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Torres, Luis Carlos | m | | 2325 | MEX | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Zhou, Jianchao | g | | 2555 | CHN | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Wieczorek, Oskar | g | | 2512 | POL | 1.00 | 1 | 0.57 | 10 | 5.70 | | | Nasuta, Grzegorz | g | | 2550 | POL | 0.00 | 1 | -0.38 | 10 | -3.80 | | | Cordova, Emilio | g | | 2543 | PER | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Kunka, Harshid | | | 2347 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Hardaway, Brewington | f | | 2363 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | * 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) | | | | 2023 National Open | Las Vegas, NV | USA | 2023-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2263 | 2479 | 5.00 | 9 | -1.67 | 10 | -16.70 | |
| | Coyne, Theodore | | | 2021 | USA | 1.00 | 1 | 0.05 | 10 | 0.50 | | | Yan, Nathan | | | 2192 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Espinosa, Pedro | c | | 2233 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Acor, Corey | f | | 2216 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Jacobson, Brandon | g | | 2557 | USA | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Andriasian, Zaven | g | | 2579 | ARM | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Narayanan, Samrug | f | | 2297 | USA | 0.00 | 1 | -0.74 | 10 | -7.40 | | | Melillo, Lucius | | | 2079 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Wang, Henry | | | 2193 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | * 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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