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Individual Calculations February 2013 |
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| Williamson, Roger Total change: -1.65 | |   |
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| e2e4 Chester Open | Chester | ENG | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2152 | 2154 | 2.00 | 4 | -0.11 | 15 | -1.65 | |
|  Doran, Chris | | | 1979 | ENG | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Horton, Andrew | | | 1973 | ENG | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Hebden, Mark L | g | | 2548 | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Surtees, Mike | | | 2109 | ENG | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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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