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Individual Calculations September 2021 |
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| Farrell, John F Total change: 9.20 | |   |
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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 |
| 2073 | 1925 | 2.00 | 5 | 0.46 | 20 | 9.20 | |
|  Eckert, Doug D | f | | 2172 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Sage, J Timothy | | | 2037 | USA | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Hulsey, Mark Allen | | | 2060 | USA | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Joelson, Daniel | | | 2126 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Moussa, Alaa-Addin | c | | 1969 | PLE | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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