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Individual Calculations August 2021 |
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| Guha, Rohit Total change: 125.20 | |   |
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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 |
| 1929 | 1864 | 5.00 | 8 | 1.67 | 40 | 66.80 | |
|  Deatrick, Alexander | | | 1958 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | |  Zhang, Samuel | | | 2045 | USA | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Modi, Ethan | | | 1872 | USA | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Xu, Ryan | | | 1805 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Chen, Derek | | | 1854 | USA | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Tabor, Kai Aaron | | | 2108 | USA | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Xu, Kevin | | | 1902 | USA | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Yehamandram, Yogeshwar | | | 1889 | IND | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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) | | | | 14th Annual Chicago Class - Expert | Wheeling, Illinois | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 1864 | 2.50 | 5 | 0.67 | 40 | 26.80 | |
| | Radermacher, Timothy Jon | | | 1971 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Lodh, Anish | | | 1912 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Rhine, Frederick S | | | 1948 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Molina, William | | | 1985 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Kraft, Chip | | | 1992 | USA | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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) | | | | 22nd Annual Pittsburgh Open - Major | Pittsburgh, Pennsylvania | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 1864 | 1.50 | 3 | 0.79 | 40 | 31.60 | |
| | Senft, Sean | | | 2039 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Mucerino, Joseph J | | | 2002 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Davis, Barry Brown | | | 2187 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | |
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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