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Individual Calculations May 2010 |
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| Lefevre, Stephen D Total change: -9.00 | |   |
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| Southend Open | Southend | ENG | 2010-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1842 | 1.00 | 5 | -0.36 | 25 | -9.00 | |
|  Haydon, David L | | | 2149 | ENG | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Lenier, Jude A | | | 1942 | ENG | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Gamble, Raymond J | | | 2046 | ENG | 0.50 | 1 | 0.26 | 25 | 6.50 | |  Iyengar, Ilya | | | 2013 | ENG | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Guttridge, David | | | 1951 | ENG | 0.50 | 1 | 0.15 | 25 | 3.75 | |
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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