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Individual Calculations September 2021 |
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| French, J Kevin Total change: -22.80 | |   |
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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 |
| 1993 | 1737 | 0.00 | 3 | -0.57 | 40 | -22.80 | |
|  Sherman, David | | | 2021 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Sage, J Timothy | | | 2037 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Sloan, Kenneth | | | 1922 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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