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Individual Calculations September 2021 |
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| Sherman, David Total change: -6.80 | |   |
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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 |
| 2054 | 2021 | 2.00 | 5 | -0.34 | 20 | -6.80 | |
|  French, J Kevin | | | 1737 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Enkhbat , Tegshsuren | m | | 2264 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Carr, Jay A | | | 1779 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Fedorowicz, John P | g | | 2413 | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Casden, Alan | | | 2077 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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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