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Individual Calculations September 2023 |
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| Collinson, Mark I Total change: -6.60 | |   |
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| 2023 British Championship: Over 65 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1865 | 2.50 | 6 | -0.33 | 20 | -6.60 | |
|  Morley, Andrew J | | | 2089 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Gunn, Michael J | | | 1606 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Jackson, Sheila | | wg | 2039 | ENG | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Bhopal, Raj | | | 2021 | SCO | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Graham, Neil | | | 1764 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Dennis, Nigel W | | | 1803 | ENG | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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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