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Individual Calculations September 2023 |
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| Ledger, Dave J Total change: -1.80 | |   |
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| 2023 British Championship: Over 50 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 2190 | 3.50 | 5 | -0.09 | 20 | -1.80 | |
|  Duncan, Patrick C M | | | 1996 | ENG | 0.00 | 1 | -0.75 | 20 | -15.00 | |  Mueller, Jens | | | 1862 | GER | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Baer, Bruce L | | | 2027 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Smith, Andrew Philip | f | | 2038 | IRL | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Graham, David B | | | 2151 | ENG | 1.00 | 1 | 0.45 | 20 | 9.00 | |
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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