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Individual Calculations June 2022 |
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| Portman, Carl S Total change: -3.20 | |   |
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| English Seniors Championships 2022 - Over 50 | Warwick | ENG | 2022-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1880 | 2.50 | 7 | -0.16 | 20 | -3.20 | |
|  Crocker, Philip J | | | 2089 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Henderson, David | | | 2104 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Hickman, John E | | | 1824 | ENG | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Erdogan, Hassan | | | 1900 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Dishman, Stephen | f | | 2301 | ENG | 0.50 | 1 | 0.43 | 20 | 8.60 | | | Homer, Neil S | | | 1600 | ENG | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Churavin, Andrey | | | 2076 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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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