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Individual Calculations August 2021 |
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| Liu, Joshua Total change: 22.80 | |   |
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| 14th Annual Philadelphia International - Expert | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1370 | 2.00 | 7 | 0.77 | 40 | 30.80 | |
|  Aggarwal, Vansh | | | 1770 * | IND | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Randall, Gordon Jamall | | | 1770 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Serrato, Rafael | | | 1770 * | COL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Kumar, Sanjay | | | 1345 | USA | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Hua, Charles | | | 1770 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Franklin, William | | | 1521 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Shaffer, Alexander | | | 1770 * | PUR | 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) | | | | 49th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1606 | 1370 | 0.00 | 1 | -0.20 | 40 | -8.00 | |
| | Zhang, Andrew H | | | 1606 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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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