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Individual Calculations July 2021 |
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| Chen, Ryo Wenyu Total change: 138.88 | |   |
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| 30th Annual Chicago Open - Open | Wheeling, Illinois | USA | 2021-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2279 | 2183 | 5.00 | 9 | 1.59 | 31 | 49.29 | |
|  Balakrishnan, Praveen | m | | 2500 | USA | 0.00 | 1 | -0.13 | 31 | -4.03 | |  Johnson, Donald | | | 1990 | USA | 1.00 | 1 | 0.25 | 31 | 7.75 | | | Griffith, Kyron W | f | | 2351 | USA | 1.00 | 1 | 0.72 | 31 | 22.32 | | | Mardov, Dimitar | f | | 2318 | USA | 0.00 | 1 | -0.32 | 31 | -9.92 | | | Aaron, Deepak | | | 2296 | USA | 1.00 | 1 | 0.65 | 31 | 20.15 | | | Torres, Luis Carlos | m | | 2375 | MEX | 0.50 | 1 | 0.25 | 31 | 7.75 | | | Williams, Justus | f | | 2328 | USA | 0.00 | 1 | -0.31 | 31 | -9.61 | | | Maiti, Milind | | | 2068 | USA | 1.00 | 1 | 0.34 | 31 | 10.54 | | | Homa, Seth | f | | 2287 | USA | 0.50 | 1 | 0.14 | 31 | 4.34 | |
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) | | | | Houston City Championship 2021 | Houston, Texas | USA | 2021-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 2181 | 4.00 | 4 | 0.33 | 31 | 10.23 | |
| | Melillo, Lucius | | | 1781 * | USA | 1.00 | 1 | 0.08 | 31 | 2.48 | | | Bunch, Cliff | | | 1805 | USA | 1.00 | 1 | 0.09 | 31 | 2.79 | | | Walmer, Benjamin | | | 1781 * | USA | 1.00 | 1 | 0.08 | 31 | 2.48 | | | Cardinal, Scott | | | 1781 * | USA | 1.00 | 1 | 0.08 | 31 | 2.48 | | | * 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) | | | | 2021 National Open - Championship | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2331 | 2181 | 5.50 | 9 | 2.56 | 31 | 79.36 | |
| | Theodorou, Nikolas | m | | 2566 | GRE | 0.00 | 1 | -0.09 | 31 | -2.79 | | | McConnell, Sullivan Mac | | | 1895 | USA | 1.00 | 1 | 0.16 | 31 | 4.96 | | | Yermolinsky, Alex | g | | 2498 | USA | 1.00 | 1 | 0.87 | 31 | 26.97 | | | Kavutskiy, Kostya | m | | 2391 | USA | 0.00 | 1 | -0.23 | 31 | -7.13 | | | Cervantes, Thalia | f | wm | 2338 | USA | 0.50 | 1 | 0.21 | 31 | 6.51 | | | Shawkat, Saif | | | 1934 | USA | 1.00 | 1 | 0.19 | 31 | 5.89 | | | Ostrovskiy, Aleksandr | m | | 2422 | USA | 1.00 | 1 | 0.80 | 31 | 24.80 | | | Gareyev, Timur | g | | 2581 * | USA | 0.00 | 1 | -0.08 | 31 | -2.48 | | | Abrahamyan, Tatev | | wg | 2358 | USA | 1.00 | 1 | 0.73 | 31 | 22.63 | | | * 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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