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Individual Calculations July 2010 |
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| Stayt, James N Total change: -0.45 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1996 | 1.50 | 3 | -0.03 | 15 | -0.45 | |
|  Valentine, Brian J | | | 1983 | ENG | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Truman, Richard G | | | 2015 | ENG | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Jones, Christopher M | | | 1964 | ENG | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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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