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Individual Calculations October 2013 |
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| Bevan, P.m. Total change: -1.80 | |   |
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| South Wales Autumn Open 2013 | Bridgend | WLS | 2013-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2085 | 2.50 | 4 | -0.12 | 15 | -1.80 | |
|  Pleasants, Allan J | | | 2024 | WLS | 1.00 | 1 | 0.42 | 15 | 6.30 | |  Davis, Lee | | | 1949 | WLS | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Adebajo, Olufemi | | | 1945 | ENG | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Hatchett, Paul | | | 1962 | WLS | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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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