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Individual Calculations September 2023 |
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| Graham, David B Total change: 6.80 | |   |
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| 2023 British Championship: Over 50 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2151 | 3.50 | 6 | 0.34 | 20 | 6.80 | |
|  Kirby, Peter J. | c | | 1985 | GCI | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Baer, Bruce L | | | 2027 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Dargan, Paul A G | c | | 2091 | ENG | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Eames, Robert S | f | | 2124 | ENG | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Arkell, Keith C | g | | 2392 | ENG | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Ledger, Dave J | f | | 2190 | ENG | 0.00 | 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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