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Individual Calculations September 2023 |
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| Sheaf, Michael A Total change: 52.40 | |   |
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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 |
| 1994 | 1708 | 2.50 | 6 | 1.31 | 40 | 52.40 | |
|  Kosokin, Valeriy | | | 2186 | UZB | 1.00 | 1 | 0.95 | 40 | 38.00 | |  Dehmelt, Karl | f | | 2136 | USA | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Nichols, Anthony T | | | 1902 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Sailer, Mike | | | 2109 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cotreau, Kevin L | | | 1967 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Elkins, Steve E | | | 1664 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | |
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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