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Individual Calculations May 2019 |
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| McDonald, Ian Total change: -46.00 | |   |
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| English Seniors Championship Over 65 2019 | Solihull | ENG | 2019-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1779 | 0.50 | 4 | -1.15 | 40 | -46.00 | |
|  Moore, Geoffrey R | | | 1968 | ENG | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Stimpson, Philip M | | | 1923 | ENG | 0.00 | 1 | -0.31 | 40 | -12.40 | |  Graham, Neil | | | 1797 | ENG | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Cresswell, Mike J | | | 1695 | ENG | 0.00 | 1 | -0.62 | 40 | -24.80 | |
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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