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Individual Calculations September 2010 |
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| Fathallah, Joe Total change: -13.50 | |   |
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| 7th South Wales International Open | Trefforest | WLS | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 1919 | 2.50 | 7 | -0.90 | 15 | -13.50 | |
|  Wells, Peter K | g | | 2319 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Zhou, Yang-Fan | f | | 2319 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Owens, Megan R | | | 1792 | WLS | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Thompson, Robert | | | 1896 | ENG | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Jones, Jeremy | | | 1585 | WLS | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Hurn, Robert Aj | | | 1843 | WLS | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Bridges, Paul | | | 1875 | WLS | 0.50 | 1 | -0.06 | 15 | -0.90 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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