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Individual Calculations August 2021 |
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| Harrison, Joshua Alan Total change: -81.40 | |   |
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| 49th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 2103 | 4.00 | 7 | -1.96 | 40 | -78.40 | |
|  Premkumar, Hiren | | | 1792 | USA | 0.00 | 1 | -0.86 | 40 | -34.40 | |  Wu, Eric Sheng | | | 1851 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Starkman, Eric | | | 1791 | USA | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Nguyen, James L | | | 1929 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Shah, Kai Mahesh | | | 1723 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Raparthi, Ankit | | | 1703 * | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Sloan, Jed | | | 1782 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | * 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) | | | NOTE: K factor changed | | 29th Annual Southern Open - Major | Orlando, Florida | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 2103 | 2.00 | 3 | -0.15 | 20 | -3.00 | |
| | Petersen, Nick | | | 1747 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Chakrabarti, Brejesh | | | 1909 | USA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Durand, Phillip | | | 2099 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | |
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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