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Individual Calculations September 2023 |
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| Hughes, Roy Total change: -31.20 | |   |
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| 2023 British Championship: Over 50 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 2007 | 2.00 | 6 | -1.56 | 20 | -31.20 | |
|  Duncan, Chris R | f | | 2191 | ENG | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Giulian, Rosemary A | | | 1855 | SCO | 1.00 | 1 | 0.30 | 20 | 6.00 | |  James, Russell A | | | 2012 | ENG | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Brett, Andrew R | | | 2078 | ENG | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Cole, Graham | | | 1628 | ENG | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Wilson, Matthew R | | | 1762 | ENG | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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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