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Individual Calculations July 2010 |
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| Donaghay, Richard H Total change: -6.75 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 1975 | 1.50 | 4 | -0.27 | 25 | -6.75 | |
|  Makepeace, Philip J | | | 2041 | ENG | 0.50 | 1 | 0.09 | 25 | 2.25 | |  Kingston, Ian | | | 1999 | ENG | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Valentine, Brian J | | | 1983 | ENG | 0.00 | 1 | -0.49 | 25 | -12.25 | | | Rawlinson, Christopher J A | | | 2048 | ENG | 0.00 | 1 | -0.40 | 25 | -10.00 | |
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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