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Individual Calculations July 2009 |
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| Lewis, Andrew P Total change: 4.95 | |   |
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| Southend Open | Southend | ENG | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2276 | 5.50 | 7 | 0.33 | 15 | 4.95 | |
|  Millward, David J | | | 2063 | ENG | 1.00 | 1 | 0.23 | 15 | 3.45 | |  Arnott, Jonathan W | | | 2119 | ENG | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Bonafont, Philip R | | | 2097 | ENG | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Hebbes, Tim | | | 2107 | ENG | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Obiamiwe, Paul | | | 2041 | NGR | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Ethelontis, Alexandros N | | | 2165 | ENG | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Wilson, Alexandra | | wf | 2040 | SUI | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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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