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Individual Calculations July 2021 |
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| Zhang, Ellie Total change: 50.80 | |   |
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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 |
| 1643 | 1416 | 2.00 | 4 | 0.93 | 40 | 37.20 | |
|  Tsogtsaikhan, Saikhanchimeg | | | 1816 * | MGL | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Arab, Kiana | | wc | 1816 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weber, Madeline L | | | 1752 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Kaur, Jind | c | | 1187 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | * 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) | | | | 2021 National Open - Under 2100 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 1416 | 0.50 | 2 | 0.34 | 40 | 13.60 | |
| | Vu, Leonard | | | 1813 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Farrell, John F | | | 1816 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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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