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Individual Calculations September 2023 |
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| Punnett, Alan K Total change: 20.20 | |   |
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| 2023 British Championship: Over 65 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 2051 | 4.50 | 6 | 1.01 | 20 | 20.20 | |
|  Erdogan, Hassan | | | 1829 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Bray, David | | | 1975 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | |  De Coverly, Roger D | | | 1955 | ENG | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Stimpson, Philip M | | | 1894 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Chapman, Terry P D | f | | 2248 | ENG | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Jackson, Sheila | | wg | 2039 | ENG | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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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