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Individual Calculations April 2009 |
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| De Coverly, Roger D Total change: -7.20 | |   |
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| 4NCL part 2 | Various | ENG | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2206 | 2061 | 0.00 | 1 | -0.31 | 15 | -4.65 | |
|  Jackson, Adrian | | | 2206 | ENG | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | Uxbridge Open | Uxbridge | ENG | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2077 | 2.00 | 5 | -0.17 | 15 | -2.55 | |
| | Poobalasingam, Peter S | | | 2225 | ENG | 0.00 | 1 | -0.30 | 15 | -4.50 | |  Coates, David H | | | 2014 | ENG | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Cherniaev, Alexander | g | | 2427 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Salem, Ihab | | | 2171 | PLE | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Quinn, Joseph R | | | 1835 | ENG | 0.00 | 1 | -0.80 | 15 | -12.00 | |
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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