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Individual Calculations September 2016 |
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| Reuben, Stewart Total change: 13.20 | |   |
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| 103rd British Championships Over 65 | Bournemouth | ENG | 2016-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2033 | 5.50 | 7 | 1.87 | 20 | 37.40 | |
|  Phillips, William | | | 1852 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Bielby, Paul R | | | 1885 | ENG | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Mashayekh, Majid | | | 1922 | ENG | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Friedgood, David | f | | 2226 | ENG | 0.50 | 1 | 0.25 | 20 | 5.00 | | | James, Geoffrey H | c | | 2203 | ENG | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Downham, Alan F | | | 1990 | ENG | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Bimpson, Tom | | | 2066 | ENG | 1.00 | 1 | 0.55 | 20 | 11.00 | |
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) | | | | 103rd British Championships Over 50 | Bournemouth | ENG | 2016-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 2033 | 3.00 | 6 | -1.21 | 20 | -24.20 | |
| | Bielby, Paul R | | | 1885 | ENG | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Emery, Keith | | | 1897 | SCO | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Batchelor, Guy J | | | 1916 | ENG | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Barton, R Alan | | | 1976 | ENG | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Newell, David F | | | 1908 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Horlock, Peter J | | | 1633 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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