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Individual Calculations August 2021 |
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| Johnson, Donald Total change: 70.80 | |   |
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| 14th Annual Philadelphia International - Premier | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 1966 | 4.00 | 9 | 1.42 | 30 | 42.60 | |
|  Wang, Tianqi | | | 2317 | USA | 0.00 | 1 | -0.11 | 30 | -3.30 | |  Park, Evan | | | 2212 | USA | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Xu, Arthur | c | | 2106 | USA | 1.00 | 1 | 0.69 | 30 | 20.70 | | | Rama, Tejas | | | 2131 | USA | 0.00 | 1 | -0.28 | 30 | -8.40 | | | Kumar, Naman | | | 2128 | USA | 1.00 | 1 | 0.71 | 30 | 21.30 | | | Rowe, Duane | c | | 2157 | JAM | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Su, Ethan | | | 1759 | CAN | 1.00 | 1 | 0.23 | 30 | 6.90 | | | Wu, Rochelle | | wm | 2144 | USA | 1.00 | 1 | 0.73 | 30 | 21.90 | | | Wang, Jason | f | | 2312 | USA | 0.00 | 1 | -0.11 | 30 | -3.30 | |
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 - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 1992 | 3.50 | 9 | 0.80 | 30 | 24.00 | |
| | Jacobson, Aaron | f | | 2293 | USA | 0.00 | 1 | -0.15 | 30 | -4.50 | | | Venkat, Raghav | | | 2138 | USA | 0.00 | 1 | -0.30 | 30 | -9.00 | | | Manon-Og, Ramon | | | 2122 | PHI | 0.00 | 1 | -0.32 | 30 | -9.60 | | | Pardiwalla, Vispy | | | 2049 | IND | 1.00 | 1 | 0.58 | 30 | 17.40 | | | Rowe, Duane | c | | 2157 | JAM | 1.00 | 1 | 0.72 | 30 | 21.60 | | | Le, Harry | | | 2130 | USA | 0.00 | 1 | -0.31 | 30 | -9.30 | | | Ni, Winston | | | 2085 | USA | 1.00 | 1 | 0.63 | 30 | 18.90 | | | Park, Evan | | | 2274 | USA | 0.00 | 1 | -0.16 | 30 | -4.80 | | | Kondakov, Adrian | c | | 2075 | USA | 0.50 | 1 | 0.11 | 30 | 3.30 | |
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) | | | | 3rd Charlotte Masters | Charlotte, North Carolina | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 1992 | 3.50 | 5 | 0.14 | 30 | 4.20 | |
| | Jiang, Andrew | | | 1754 | USA | 1.00 | 1 | 0.20 | 30 | 6.00 | | | Shundi, Matias | | | 1882 | USA | 1.00 | 1 | 0.35 | 30 | 10.50 | | | Vanapalli, Vishnu | | | 1918 | USA | 0.50 | 1 | -0.10 | 30 | -3.00 | | | Biernacki, Mark | | | 1903 | USA | 1.00 | 1 | 0.38 | 30 | 11.40 | | | Emir, Doruk | | | 1852 | TUR | 0.00 | 1 | -0.69 | 30 | -20.70 | |
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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