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Individual Calculations July 2012 |
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| Purdon, Colin Total change: 5.70 | |   |
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| 4NCL | Various | ENG | 2011-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 2093 | 5.00 | 8 | 0.38 | 15 | 5.70 | |
|  Bruce, David J | | | 2069 | ENG | 1.00 | 1 | 0.47 | 15 | 7.05 | |  Bucknell, Malcolm Gordon | | | 1937 | ENG | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Collier, David O | | | 2138 | ENG | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Livesey, R Nigel | | | 1907 | ENG | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Sargent, John R | | | 1759 | HKG | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Jenks, C Bruce | | | 2157 | ENG | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Ball, Laurence | | | 2055 | RSA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Lawson, Andrew | | | 2199 | ENG | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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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