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Individual Calculations July 2010 |
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| Fathallah, Joe Total change: -18.00 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1951 | 1.50 | 6 | -1.20 | 15 | -18.00 | |
|  Ponter, Ian P | | | 2046 | ENG | 0.00 | 1 | -0.37 | 15 | -5.55 | |  Van Der Westhuizen, Charles V | | | 1824 | RSA | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Carpenter, David J | | | 1983 | WLS | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Fraser-Mitchell, Jeremy N | | | 1993 | ENG | 1.00 | 1 | 0.56 | 15 | 8.40 | | | McLaughlin, Noel S | | | 2022 | ENG | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Sedgwick, David R | | | 2051 | ENG | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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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