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Individual Calculations July 2021 |
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| Williams, John M Total change: -32.60 | |   |
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| 2021 National Open - Under 2300 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1809 | 2122 | 2.50 | 5 | -1.63 | 20 | -32.60 | |
|  Nathan, Nitish Sg | c | | 1722 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Gu, Crystal Jiuzhou | | | 1722 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tang, Benjamin Benchen | | | 1722 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Navarro, Roberto | m | | 2157 | MEX | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Guha, Rohit | | | 1722 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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) | | |
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