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Individual Calculations September 2019 |
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| Hewson, Brian Wr Total change: 38.60 | |   |
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| 106th British Championships Over 65 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2035 | 5.50 | 7 | 1.93 | 20 | 38.60 | |
|  Tidmarsh, David A | | | 1809 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Campbell, Ian | | | 1945 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Emerson, Roger | | | 2181 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Moore, Geoffrey R | | | 1964 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Hutchinson, Norman A | | | 1983 | ENG | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Norman, Kenneth I | c | | 2121 | ENG | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Friedgood, David | f | | 2177 | ENG | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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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