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Individual Calculations July 2022 |
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| Koon, Kingsley Total change: 42.80 | |   |
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| 31st Annual Chicago Open - Under 2100 | Wheeling, Illinois | USA | 2022-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1631 | 3.50 | 5 | 1.55 | 40 | 62.00 | |
|  Starkman, Eric | | | 1803 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | |  Wang, Rocky | | | 1561 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Murray, William | | | 1877 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Sax, Robert D | | | 1498 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Turner, Bill | | | 1865 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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) | | | | 2022 National Open - Under 2100 | Las Vegas, Nevada | USA | 2022-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1631 | 0.00 | 2 | -0.48 | 40 | -19.20 | |
| | Tang, Owen | | | 1746 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Smith, Micah | | | 1942 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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) | | |
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