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Individual Calculations January 2009 |
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| Webster, Richard J Total change: -18.60 | |   |
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| Atkins Memorial Open | Leicester | ENG | 2008-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 1975 | 0.50 | 3 | -0.87 | 15 | -13.05 | |
|  Burrows, Martin P | | | 2196 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Farrall, David J | | | 1818 | ENG | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Kingston, Ian | | | 2018 | ENG | 0.50 | 1 | 0.06 | 15 | 0.90 | |
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) | | | | Milton Keynes Open | Milton Keynes | ENG | 2008-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 1975 | 1.00 | 3 | -0.37 | 15 | -5.55 | |
| | Burrows, Martin P | | | 2196 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Manuchehri, Alireza | | | 1811 | IRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Williamson, Kevin J | | | 2026 | ENG | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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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