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Individual Calculations September 2023 |
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| Pratt, Matthew J Total change: 0.00 | |   |
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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 | Rp | K | K*chg | Game |
| 1831 | 0 | 2.00 | 6 | 0.00 | 1706 | | 0.00 | |
|  Truelson, Nels W | | | 1990 | USA | 0.00 | 1 | 0.00 | | 0.00 | |  Vanmeter, Lester L | f | | 1813 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Fuller Ii, James A | | | 1674 | USA | 1.00 | 1 | 0.00 | | 0.00 | | | Joelson, Daniel | | | 2129 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Hasman, Henry Jhon | | | 1643 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | French, J Kevin | | | 1736 | USA | 1.00 | 1 | 0.00 | | 0.00 | |
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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