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Individual Calculations September 2017 |
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| Shepherd, David Total change: 25.80 | |   |
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| 104th British Championships Over 50 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2086 | 1924 | 3.00 | 6 | 1.29 | 20 | 25.80 | |
|  Goater, Kevin P | c | | 2128 | ENG | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Henderson, David | | | 2099 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | |  Morris, Gareth L | | | 2062 | WLS | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Smith, Peter | | | 2062 | SCO | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Punnett, Alan K | | | 2043 | ENG | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Page, Mark E | | | 2124 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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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