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Individual Calculations September 2017 |
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| Smith, Peter Total change: 19.20 | |   |
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| 104th British Championships Over 50 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 2062 | 4.00 | 7 | 0.96 | 20 | 19.20 | |
|  Parker, Keith | | | 1849 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | |  Chandler, Cliff R | | | 2269 | ENG | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Page, Mark E | | | 2124 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Brooks, Phil J | | | 2191 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Shepherd, David | | | 1924 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Nunn, John Dm | g | | 2462 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Punnett, Alan K | | | 2043 | ENG | 0.50 | 1 | -0.03 | 20 | -0.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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