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Individual Calculations August 2021 |
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| Shaffer, Alexander Total change: -52.20 | |   |
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| 14th Annual Philadelphia International - Expert | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1847 | 3.00 | 8 | -2.34 | 20 | -46.80 | |
|  Hua, Charles | | | 1958 | USA | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Mucerino, Joseph J | | | 2002 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Aggarwal, Vansh | | | 1922 | IND | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Kumar, Sanjay | | | 1447 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Franklin, William | | | 1521 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Wang, Lilian | | | 1458 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Chin, Spencer | | | 1716 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Liu, Joshua | | | 1447 * | USA | 0.50 | 1 | -0.42 | 20 | -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) | | | | 49th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1619 | 1857 | 2.00 | 3 | -0.27 | 20 | -5.40 | |
| | Nair, Advait | | | 1523 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Tang, Vincent | | | 1457 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Paciulli, Frank | | | 1877 | USA | 1.00 | 1 | 0.53 | 20 | 10.60 | | | * 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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