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Individual Calculations September 2023 |
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| Lilly, Bryan Total change: 2.80 | |   |
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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 |
| 2019 | 1999 | 2.50 | 5 | 0.07 | 40 | 2.80 | |
|  Kraai, Jesse | g | | 2380 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Hobbs, Richard P | | | 1726 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Kosokin, Valeriy | | | 2186 | UZB | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Truelson, Nels W | | | 1990 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Vanmeter, Lester L | f | | 1813 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | |
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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