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Individual Calculations September 2009 |
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| Jones, Jeremy Total change: 2.75 | |   |
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| Big Slick London Open | Purley | ENG | 2009-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1635 | 0.00 | 3 | -0.34 | 25 | -8.50 | |
|  Atako, Chino | | | 1985 | ENG | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Cooley, Chris M | | | 1985 | ENG | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Wehmeier, Manuel | | | 1973 | FRA | 0.00 | 1 | -0.12 | 25 | -3.00 | |
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) | | | | South Wales International Open | Pontypridd | WLS | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1617 | 1.00 | 5 | 0.45 | 25 | 11.25 | |
| | Gibson, Christopher A | | | 1991 | ENG | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Gosling, Brian G E | | | 2010 | ENG | 0.50 | 1 | 0.42 | 25 | 10.50 | | | Turner, Joseph David | | | 2007 | WLS | 0.50 | 1 | 0.41 | 25 | 10.25 | | | Thomas, James | | | 1868 | WLS | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Van Kemenade, Rudy | | | 1994 | WLS | 0.00 | 1 | -0.09 | 25 | -2.25 | |
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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