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Individual Calculations September 2021 |
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| Koganov, Mikhail Total change: 38.60 | |   |
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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 |
| 2244 | 2119 | 4.00 | 6 | 1.93 | 20 | 38.60 | |
|  Sloan, Kenneth | | | 1922 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Matros, Alexander | m | | 2365 | KAZ | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Burnett, Ronald Wayne | m | | 2325 | USA | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Ginsburg, Mark | m | | 2315 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Joelson, Daniel | | | 2126 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Fedorowicz, John P | g | | 2413 | USA | 0.50 | 1 | 0.35 | 20 | 7.00 | |
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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