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Individual Calculations July 2009 |
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| Haydon, David L Total change: 7.05 | |   |
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| Southend Open | Southend | ENG | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 2142 | 4.50 | 6 | 0.47 | 15 | 7.05 | |
|  Iyengar, Ilya | | | 1933 | ENG | 1.00 | 1 | 0.23 | 15 | 3.45 | |  Obiamiwe, Paul | | | 2041 | NGR | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Moore, John C | | | 2063 | ENG | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Millward, David J | | | 2063 | ENG | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Wallis, Ian J | | | 1962 | ENG | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Williamson, Kevin J | | | 2025 | ENG | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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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