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Individual Calculations November 2014 |
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| Hermes, Geoff Total change: -24.00 | |   |
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| 40th Guernsey Open | Guernsey | GCI | 2014-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1931 | 0.50 | 4 | -1.20 | 20 | -24.00 | |
|  Hallerod, Ralph | | | 2115 | SWE | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Twitchell, David | | | 2009 | ENG | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Thurlow, Kevin | c | | 2005 | ENG | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Cummins, John | | | 1819 | GCI | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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) | | |
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