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Individual Calculations July 2010 |
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| Mason, Donald J Total change: -3.75 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2255 | 5.50 | 11 | -0.25 | 15 | -3.75 | |
|  Maciol, Rycho | | | 2245 | POL | 0.50 | 1 | -0.01 | 15 | -0.15 | |  Hill, David F | | | 2048 | ENG | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Goodger, Martyn | | | 2147 | ENG | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Rudd, Jack | m | | 2296 | ENG | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Tippleston, Charles E | c | | 2137 | ENG | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Gormally, Daniel W | g | | 2479 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Byron, Alan M | | | 2192 | ENG | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Ynojosa, Felix Jose | | | 2197 | ENG | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Rendle, Thomas E | m | | 2382 | ENG | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Kwiatkowski, Feliks J | c | | 2248 | ENG | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Webb, Richard M | f | | 2260 | ENG | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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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