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Individual Calculations July 2021 |
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| Kolay, Alex Total change: 77.20 | |   |
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| 30th Annual Chicago Open - Open | Wheeling, Illinois | USA | 2021-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2293 | 2126 | 4.50 | 8 | 2.13 | 40 | 85.20 | |
|  Shetty, Atulya Arya | m | | 2466 | USA | 0.50 | 1 | 0.38 | 40 | 15.20 | |  Rao, Prasanna Raghuram | m | | 2429 | IND | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Shawkat, Saif | | | 1934 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Aaron, Deepak | | | 2296 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Griffith, Kyron W | f | | 2351 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Li, Eric Yuhan | f | | 2268 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Cervantes, Thalia | f | wm | 2288 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Wang, Jason | f | | 2312 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | 2021 National Open - Championship | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2292 | 2126 | 2.00 | 7 | -0.20 | 40 | -8.00 | |
| | Yermolinsky, Alex | g | | 2498 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Cordova Daza, Emilio | g | | 2526 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tokhirjonova, Gulrukhbegim | | wg | 2344 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Torres, Luis Carlos | m | | 2375 | MEX | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Herman, Daniel | | | 1952 | USA | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Wang, Jason | f | | 2312 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Sethuraman, Sandeep | | | 2037 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | * 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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