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Individual Calculations November 2021 |
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| Botham, C Paul Total change: -0.40 | |   |
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| British Senior Championships 2021 O50 | Milton Keynes | ENG | 2021-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 1944 | 2.00 | 5 | -0.02 | 20 | -0.40 | |
|  Duncan, Chris R | f | | 2225 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Kenning, Paul H | | | 1805 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Williamson, Kevin J | | | 1859 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Kett, Tim | c | | 2156 | WLS | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Dargan, Paul A G | c | | 2075 | ENG | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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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