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Individual Calculations September 2021 |
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| Jin, Derek Total change: 56.40 | |   |
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| 4th Annual Peter Henner Memorial - Major | Albany, New York | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1880 | 1.50 | 3 | 0.09 | 40 | 3.60 | |
|  Bhatia, Aadit | | | 1857 | IND | 0.00 | 1 | -0.53 | 40 | -21.20 | |  Adewumi, Tanitoluwa | | | 1844 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Wang, Ellen | | wm | 2007 | USA | 1.00 | 1 | 0.67 | 40 | 26.80 | |
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) | | | | 51st Annual Continental Open - Under 2200 | Sturbridge, Massachusetts | USA | 2021-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 1879 | 4.00 | 6 | 0.74 | 40 | 29.60 | |
| | Guevara-Rodriguez, Mario | | | 2075 | MEX | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Groff, Jordan | | | 1642 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Bihlmeyer, Joseph | | | 1794 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Sloan, Jed | | | 1813 | USA | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Samant, Neil | | | 1786 | USA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Ling, Evan Maxwell | | | 1977 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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) | | | | 16th Annual Indianapolis Open - Major | Indianapolis, Indiana | USA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1879 | 3.00 | 4 | 0.58 | 40 | 23.20 | |
| | Xia, Ruoxiao | | | 1664 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Proleiko, Julian | | | 2107 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Toliver, Stuart A | | | 1479 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Bruha, Nicholas | | | 1866 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | | | * 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) | | |
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