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Individual Calculations September 2023 |
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| Duncan, Patrick C M Total change: 40.40 | |   |
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| 2023 British Championship: Over 50 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 1996 | 4.00 | 7 | 2.02 | 20 | 40.40 | |
|  Ledger, Dave J | f | | 2190 | ENG | 1.00 | 1 | 0.75 | 20 | 15.00 | |  Henderson, David | | | 2113 | ENG | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Arkell, Keith C | g | | 2392 | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Smith, Peter R | | | 2063 | SCO | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Pitcher, John | | | 2206 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Smith, Andrew Philip | f | | 2038 | IRL | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Townsend, M Paul | | | 2209 | ENG | 0.50 | 1 | 0.27 | 20 | 5.40 | |
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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