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Individual Calculations February 2014 |
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| Perrett, David C Total change: -15.15 | |   |
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| 4NCL 2013-14 Rounds 3-4 | Various | ENG | 2014-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1969 | 0.00 | 2 | -1.01 | 15 | -15.15 | |
|  Ukken, Somton | | | 1926 | ENG | 0.00 | 1 | -0.56 | 15 | -8.40 | |  Hopkins, Phil | | | 2008 | ENG | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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