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Individual Calculations July 2017 |
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| Kett, Tim Total change: -12.60 | |   |
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| Bristol Summer Congress 2017 | Bristol | ENG | 2017-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 2221 | 2.50 | 4 | -0.63 | 20 | -12.60 | |
|  Turner, Joseph David | | | 1945 | WLS | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Dilleigh, Stephen P | | | 2053 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Moore, Geoffrey R | | | 2010 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | | | French, Max | | | 1970 | ENG | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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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