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Individual Calculations May 2012 |
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| Roberts, David L Total change: -3.00 | |   |
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| Welsh Championship 2012 | Cardiff | WLS | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 2079 | 3.50 | 6 | -0.20 | 15 | -3.00 | |
|  Ralphs, Nigel | | | 1904 | WLS | 0.50 | 1 | -0.23 | 15 | -3.45 | |  Pleasants, Allan J | | | 2088 | WLS | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Spice, Alan | | | 2129 | WLS | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Fathallah, Joe | | | 1956 | WLS | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Blackburn, Suzie G. | | wf | 1946 | WLS | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Davis, Ashley J | | | 1930 | WLS | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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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