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Individual Calculations July 2022 |
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| Xu, Kevin Total change: 226.80 | |   |
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| 31st Annual Chicago Open - Under 2300 | Wheeling, Illinois | USA | 2022-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1747 | 5.50 | 7 | 3.41 | 40 | 136.40 | |
|  Ju, Alan | | | 1714 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | |  Jensen, Matthew | | | 2039 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Szpisjak, Steven J | | | 1979 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Bronfeyn, Daniel | | | 2053 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Zheng, Marcus | | | 1531 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Ng, Daniel J | | | 2083 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Truelson, Joseph | | | 2051 | USA | 1.00 | 1 | 0.86 | 40 | 34.40 | |
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) | | | | 2022 National Open - Under 2300 | Las Vegas, Nevada | USA | 2022-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1747 | 4.00 | 7 | 2.26 | 40 | 90.40 | |
| | Christiansen, Natasha | | wc | 1661 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Martinez, Isaac | | | 2085 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Ngo-Tan, Don | f | | 2240 | HUN | 0.50 | 1 | 0.46 | 40 | 18.40 | | | Creger V, Leo | | | 1992 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Reinberg, Jeffrey | | | 2049 | USA | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Langreck, John | | | 2082 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Lee, Yesun | | | 1756 | USA | 0.50 | 1 | 0.01 | 40 | 0.40 | |
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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