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Individual Calculations September 2023 |
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| Altucher, James Total change: 55.60 | |   |
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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 |
| 2130 | 1776 | 3.50 | 6 | 2.78 | 20 | 55.60 | |
|  Land, Chris K | f | | 2123 | USA | 1.00 | 1 | 0.89 | 20 | 17.80 | |  Gibbins, Wilson K | | | 1981 | USA | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Dehmelt, Karl | f | | 2136 | USA | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Torres, Javier Antonio | f | | 2149 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Taylor, Timothy W | m | | 2103 | USA | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Burnett, Ronald W | m | | 2288 | USA | 0.00 | 1 | -0.04 | 20 | -0.80 | |
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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