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Individual Calculations July 2021 |
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| Tang, Zoey Total change: 114.00 | |   |
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| 2021 US Women's Open | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1871 | 3.50 | 4 | 0.84 | 40 | 33.60 | |
|  Chen, Jocelyn | | | 1497 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Wong, Allyson | | wc | 1471 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Atwell, Rose | | | 1769 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Heredia, Carla | | wg | 2112 | ECU | 0.50 | 1 | 0.30 | 40 | 12.00 | | | * 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 - Under 2300 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 1871 | 3.50 | 7 | 2.01 | 40 | 80.40 | |
| | Zaloznyy, Mike | | | 2027 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Dean, James | f | | 2208 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Langreck, John | | | 2161 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Navarro, Roberto | m | | 2157 | MEX | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Malyshev, Roman P | | | 2071 | RUS | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Salik, Serkan | | | 1986 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Muratov, Sergei | f | | 2138 | RUS | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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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