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Individual Calculations September 2023 |
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| Rosario, Salvador Total change: 27.20 | |   |
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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 |
| 2120 | 1923 | 3.00 | 6 | 1.36 | 20 | 27.20 | |
|  Sevillano, Enrico | g | | 2357 | USA | 1.00 | 1 | 0.94 | 20 | 18.80 | |  Taylor, Timothy W | m | | 2103 | USA | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Ginsburg, Mark | m | | 2291 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Gibbins, Wilson K | | | 1981 | USA | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Hulsey, Mark A | | | 2022 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Radermacher, Timothy | | | 1963 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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