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Individual Calculations July 2009 |
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| Le, Samuel Total change: -12.90 | |   |
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| Surrey Open | Sutton | ENG | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 1937 | 1.00 | 4 | -0.40 | 15 | -6.00 | |
|  Adair, James | | | 2098 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | |  White, David J | | | 2046 | ENG | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Hart, David P O | | | 2029 | ENG | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Hayward, Alan | | | 2019 | ENG | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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) | | | | Surrey Major | Sutton | ENG | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 1937 | 0.50 | 1 | -0.14 | 15 | -2.10 | |
| | Goldberg, Nathan | | | 1831 | 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) | | | | Coulsdon Easter Challengers | Coulsdon | ENG | 2009-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1937 | 4.00 | 8 | -0.32 | 15 | -4.80 | |
| | Gibbs, Dominic V | | | 2008 | ENG | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Marchant, Geoffrey | | | 1861 | ENG | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Calvert, D Ian | | | 2050 | ENG | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Curtis, Howard C P | | | 1758 | ENG | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Warner, Dominic W J | | | 1587 | ENG | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Coates, David H | | | 1999 | ENG | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Ponting, Andrew | | | 1867 | ENG | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Mayhew, Andrew | | | 2052 | ENG | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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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