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Individual Calculations May 2012 |
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| Bullen, Alex Total change: 7.50 | |   |
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| Welsh Championship 2012 | Cardiff | WLS | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1779 | 2.00 | 6 | 0.50 | 15 | 7.50 | |
|  Pleasants, Allan J | | | 2088 | WLS | 0.00 | 1 | -0.14 | 15 | -2.10 | |  Fathallah, Joe | | | 1956 | WLS | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Davis, Lee | | | 1986 | WLS | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Kirby, Peter J. | c | | 2007 | GCI | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Thorpe, Thomas | | | 1857 | WLS | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Roberts, Lynda | | | 1960 | WLS | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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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