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Individual Calculations September 2021 |
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| Carr, Jay A Total change: -24.80 | |   |
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| 4th Annual John T. Irwin National Tournament of Senior State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 1779 | 0.00 | 4 | -0.60 | 20 | -12.00 | |
|  Ginsburg, Mark | m | | 2179 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sherman, David | | | 2021 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Markzon, Gregory | f | | 2069 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Levi, Ariel S | | | 2069 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | * 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) | | | | 16th Annual Indianapolis Open - Major | Indianapolis, Indiana | USA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1779 | 0.00 | 2 | -0.64 | 20 | -12.80 | |
| | Guha, Rohit | | | 1989 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Padhye, Rohan | | | 1842 | USA | 0.00 | 1 | -0.41 | 20 | -8.20 | |
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) | | |
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