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Individual Calculations September 2023 |
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| Fedorowicz, John P Total change: -1.60 | |   |
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| 6th Annual Irwin National Tournament of Senior State Champions | Grand Rapids, Michigan | USA | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2155 | 2388 | 4.50 | 6 | -0.16 | 10 | -1.60 | |
|  Joelson, Daniel | | | 2129 | USA | 1.00 | 1 | 0.18 | 10 | 1.80 | |  Sailer, Mike | | | 2109 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | | | Truelson, Nels W | | | 1990 | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Dehmelt, Karl | f | | 2136 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Kraai, Jesse | g | | 2380 | USA | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Kosokin, Valeriy | | | 2186 | UZB | 1.00 | 1 | 0.24 | 10 | 2.40 | |
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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