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Individual Calculations September 2017 |
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| Gamble, Raymond J Total change: 10.00 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1894 | 2.50 | 6 | 0.50 | 20 | 10.00 | |
|  Reuben, Stewart | c | | 2074 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Levens, David G | | | 1963 | ENG | 1.00 | 1 | 0.60 | 20 | 12.00 | |  Tunstall, Mike J | | | 2030 | ENG | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Habershon, Paul F | | | 2018 | ENG | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Hutchinson, Norman A | | | 2040 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Bryant, Richard Be | | | 1976 | ENG | 0.50 | 1 | 0.11 | 20 | 2.20 | |
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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