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Individual Calculations September 2019 |
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| Campbell, Ian Total change: 7.40 | |   |
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| 106th British Championships Over 65 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1945 | 3.50 | 7 | 0.37 | 20 | 7.40 | |
|  O`brien, Paul W | | | 1590 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Hewson, Brian Wr | | | 2035 | ENG | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Brameld, Arthur F | | | 2091 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Bray, Dave J | | | 2085 | ENG | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Jones, Chris | | | 2036 | ENG | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Towers, Nigel S | | | 1830 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Hutchinson, Paul A | | | 2177 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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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