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Individual Calculations July 2010 |
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| Kingston, Ian Total change: -6.60 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1999 | 0.50 | 3 | -1.32 | 15 | -19.80 | |
|  Jones, Laurence A G | | | 1747 | ENG | 0.00 | 1 | -0.81 | 15 | -12.15 | |  Donaghay, Richard H | | | 1975 | ENG | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Ludbrook, Matthew | | | 2011 | ENG | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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) | | | | e2e4.org.uk Sunningdale Congress | Sunningdale, Berkshire | ENG | 2010-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1999 | 3.00 | 3 | 0.88 | 15 | 13.20 | |
| | Clayton, Tristan | | | 1735 | ENG | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Cork, David J | | | 1846 | ENG | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Wagner, Guy | | | 1930 | WLS | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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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