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Individual Calculations July 2009 |
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| Lefevre, Stephen D Total change: -21.25 | |   |
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| Southend Open | Southend | ENG | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 1864 | 0.50 | 5 | -0.85 | 25 | -21.25 | |
|  Hebbes, Tim | | | 2107 | ENG | 0.00 | 1 | -0.20 | 25 | -5.00 | |  Helin, Mikael | | | 1999 | SWE | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Feavyour, John A | | | 2057 | ENG | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Roberts, Jason | | | 2064 | ENG | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Guttridge, David | | | 1980 | ENG | 0.50 | 1 | 0.16 | 25 | 4.00 | |
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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